a. the probability that a randomly selected green turtle migrates a distance of less than 1900 kilometers is approximately 0.3156 or 31.56%.
b. the probability that a randomly selected green turtle migrates a distance between 2000 kilometers and 2500 kilometers is approximately 0.3556 or 35.56%.
c. the probability that a randomly selected green turtle migrates a distance greater than 2450 kilometers is approximately 0.3446 or 34.46%.
India uses kilometres because?As the decimal system uses kilometres as the unit of measurement, distance is expressed in kilometres instead of miles. Using a unit with decimals improves accuracy and convenience. Miles are not decimal system units.
Which nation doesn't utilise kilometres?Just three nations—the United States, Liberia, and Myanmar—continue to use the imperial measurements, which relies on measurements of length, weight, height, or area that ultimately refer to human parts or commonplace objects.
We can use the standard normal distribution to solve this problem, by transforming the distances into z-scores using the formula:
z = (x - μ) / σ
Where:
x is the distance we want to find the probability forμ is the mean migration distanceσ is the standard deviation(a) To find the probability that a randomly selected green turtle migrates a distance of less than 1900 kilometers, we need to find the z-score for 1900 using the formula:
z = (1900 - 2200) / 625 = -0.48
We can then use a standard normal table or calculator to find the probability corresponding to this z-score, which is approximately 0.3156.
Therefore, the probability that a randomly selected green turtle migrates a distance of less than 1900 kilometers is approximately 0.3156 or 31.56%.
(b) To find the probability that a randomly selected green turtle migrates a distance between 2000 kilometers and 2500 kilometers, we need to find the z-scores for both distances:
z₁ = (2000 - 2200) / 625 = -0.32
z₂ = (2500 - 2200) / 625 = 0.48
We can then use a standard normal table or calculator to find the probability corresponding to each z-score and subtract them to find the probability in between, which is approximately 0.3556.
Therefore, the probability that a randomly selected green turtle migrates a distance between 2000 kilometers and 2500 kilometers is approximately 0.3556 or 35.56%.
(c) To find the probability that a randomly selected green turtle migrates a distance greater than 2450 kilometers, we need to find the z-score for 2450 using the formula:
z = (2450 - 2200) / 625 = 0.4
We can then use a standard normal table or calculator to find the probability corresponding to this z-score and subtract it from 1 to find the probability of a distance greater than 2450, which is approximately 0.3446.
Therefore, the probability that a randomly selected green turtle migrates a distance greater than 2450 kilometers is approximately 0.3446 or 34.46%.
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Which histogram depicts a higher standard deviation?
Jouenbeij
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Choose the correct answer below.
OA. Histogram a depicts the higher standard deviation, because the bars are higher
than the average bar in b
H
OC. Histogram a depicts the higher s
more dispersion
deviation, because the distribution has
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OB. Histogram b depicts the higher standard deviation, because the distribution has
more dispersion
O D. Histogram b depicts the higher standard deviation, since it is more bell shaped
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The histogram that depicts a higher standard deviation is B. Histogram B depicts the higher standard deviation, because the distribution has more dispersion.
How does dispersion relate to standard deviation ?Dispersion is a measure of how spread out the values in a data set are. Standard deviation is a specific measure of dispersion that quantifies the average amount of variation or dispersion of data points from the mean in a data set.
A histogram with a higher standard deviation will generally show a wider distribution of data, with data points spread further from the mean. We see more dispersion with Histogram B with the figures having a wide range of values so it has more standard deviation.
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WILL GIVE TRUE 100 POINTS AND BRAINLYEST FOR THE CORRECT ANSWER
Answer:
1) Elisa's puppy weighed 4 pounds when it was born. It gained 5 pounds per month until it was 9 months old. 5m + 4.
2) f(x) = -6.2x + 2.9
3) g(x) = 8.1x + 45.64
4) Michele has $125. She plans to spend $10 per week until she has a total of $75.
125 - 10n, or -10n + 125.
HELP PLEASE
A car was valued at $45,000 in the year 1991. The value depreciated to $12,000 by the year 2000.
A) What was the annual rate of change between 1991 and 2000?
r=-------------Round the rate of decrease to 4 decimal places.
B) What is the correct answer to part A written in percentage form?
r=------------%
C) Assume that the car value continues to drop by the same percentage. What will the value be in the year 2003 ?
value = $----------------Round to the nearest 50 dollars.
A. result, the overall worth dropped by: 33,000
B. r = 8.15%Round the rate of decrease to 4 decimal places.
C .If you round to the closest $50, you get value Equals $10,000
From $45,000 in 1991 to $12,000 in 2000, the car's value dropped. As a result, the overall worth dropped by:
45,000 - 12,000 = 33,000
Between 1991 and 2000, the annual rate of growth was:
r = (33,000 / 9) / 45,000 = 0.0815
Four decimal digits after rounding:
r = 0.0815
In percentage form, the appropriate response to component A is:
B. r = 8.15%Round the rate of decrease to 4 decimal places.
C. If you round to the closest $50, you get value Equals $10,000
What is a percentage?
A ratio or figure stated as a fraction of 100 is called a percentage. It is frequently represented by the percent sign (%). 50%, for instance, is equal to 50 out of 100, or 50/100. In order to convey how big or little a number is in comparison to another, percentages are utilized. They are frequently employed in statistics, economics, and finance to convey disparities between groups or changes in values over time.
The formula below can be used to determine a car's worth in 2003 if its value continues to decline by the same percentage:
value is equal to $12,00×(1 - r)3.
Inputting r = 0.0815 results in:
worth = $9,950
If you round to the closest $50, you get:
value Equals $10,000
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Graph a right triangle with the two points forming the hypotenuse. Using the sides, find the distance between the two points, to the nearest tenth (if necessary).
(
5
,
2
)
and
(
2
,
−
2
)
(5,2) and (2,−2)
Based on the information provided, the length of the hypotenuse in this case is 8.28.
How to calculate the hypotenuse?The hypotenuse is the longest side of a right triangle, and it is opposite the right angle. It is found by using the Pythagorean theorem, which states that the square of the hypotenuse is equal to the sum of the squares of the other two sides.
h^2 = 3.5^2 + 7.5^2
h^2 = 12.25 + 56.25
h^2 = 68.5
To find the value of h, we take the square root of both sides:
h = sqrt(68.5)
h = 8.28 (rounded to two decimal places)
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Roger wrote a novel 120 pages long. The introduction is 15 pages long, and the chapters average 7 pages in length. How many chapters are in Roger's novel if the book only consists of the introduction and the chapters? A. 12 14 16 18 20 22 B. 12 14 16 18 20 22 C. 12 14 16 18 20 22 D.
Answer:
120 - 15 = 105 pages for the chapters 105 ÷ 7 = 15 chapters Therefore, there are 15 chapters in Roger's novel. The answer is not given in the options provided, so I cannot select one.
Find the constant of proportionality k if y = 27 when x = 3.
k =
Using the k from above find x given that y = 9.
y =
Using the k from above find x given that y = 9. Therefore, when y = 9, x is equal to 1.
We can use the formula for direct variation to find the constant of proportionality k:
Proportionality refers to the relationship between two variables where their ratio remains constant. In other words, as one variable changes, the other changes in proportion to it. This relationship is often expressed as a direct variation or an inverse variation.
Direct variation is a type of proportionality where the two variables increase or decrease at the same rate
y = kx
We are given that y = 27 when x = 3:
27 = k * 3
We can solve for k by dividing both sides by 3:
k = 27 / 3 = 9
So the constant of proportionality is 9.
Now, we can use this value of k to find x when y = 9:
y = kx
9 = 9x
Dividing both sides by 9, we get:
x = 1
Therefore, when y = 9, x is equal to 1.
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HELPP ASAP PLEASE
Which of the following is a statistical question that can result in numerical data?
A.What is the name of the librarian at your local library?
B.Which park is the best one to take your dogs to play?
C.What is the name of a local farm in your area?
D.How many students at your school ride horses?
The statistical questiοn that can result in numerical data is: "Hοw many hοurs this week did yοu exercise?"
What does the term "statistical inference" mean?
A statistical inference is a method for drawing conclusions about a population from a sample of data that was taken from that population and used to generate certain statistics.
Using sampled data to infer or forecast characteristics of a larger sample or population is known as inferential statistical methodology.
The οther οptiοns dο nοt ask fοr numerical values, but rather ask fοr infοrmatiοn that cannοt be measured numerically (the number οf dοgs, the name οf a bοοk) οr dο nοt ask fοr a specific timeframe (the number οf days at the library οver the entire summer).
Hence, The statistical questiοn that can result in numerical data is: "Hοw many hοurs this week did yοu exercise?"
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Answer: The answer is the last option
Last option: How many students at your school ride horses.
Step-by-step explanation:
Shout out to the first person who answered this, because by her example answers all the question in this diagram and if you cannot understand that there is another attachment avalible Wich explains all the traits of a statistical question.
P.S shout out to my math teacher Wich helped me answer this question and get it right.
1. The p-value was slightly above conventional threshold, but was described as “rapidly approaching significance” (i.e., p =.06). An independent samples t test was used to determine whether student satisfaction levels in a quantitative reasoning course differed between the traditional classroom and on-line environments. The samples consisted of students in four face-to-face classes at a traditional state university (n = 65) and four online classes offered at the same university (n = 69). Students reported their level of satisfaction on a fivepoint scale, with higher values indicating higher levels of satisfaction. Since the study was exploratory in nature, levels of significance were relaxed to the .10 level. The test was significant t(132) = 1.8, p = .074, wherein students in the face-to-face class reported lower levels of satisfaction (M = 3.39, SD = 1.8) than did those in the online sections (M = 3.89, SD = 1.4). We therefore conclude that on average, students in online quantitative reasoning classes have higher levels of satisfaction. The results of this study are significant because they provide educators with evidence of what medium works better in producing quantitatively knowledgeable practitioners.
The p-value was slightly above the threshold, the study's findings still suggest that the online medium may be more effective in enhancing student satisfaction levels in a Quantitative reasoning course.
The study aimed to determine whether there was a significant difference in student satisfaction levels between traditional face-to-face classes and online classes in a quantitative reasoning course.
The samples included students from four face-to-face classes and four online classes offered at the same university. The study was exploratory in nature, and therefore, the levels of significance were relaxed to the .10 level.
The independent samples t-test showed that the p-value was slightly above the conventional threshold but was rapidly approaching significance (i.e., p=.06). The results showed that students in online classes reported higher levels of satisfaction than those in the face-to-face classes.
The study is significant because it provides evidence to educators on what medium works better in producing quantitatively knowledgeable practitioners.
Although the p-value was slightly above the threshold, the study's findings still suggest that the online medium may be more effective in enhancing student satisfaction levels in a quantitative reasoning course.
Further research could be conducted to validate these findings and determine the reasons behind the observed difference in satisfaction levels.
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45% of the students of a Padampur Shiksha Niketan School play basketball, 40% play cricket and 30% play both. If 360 students play neither basketball nor cricket, use Venn-diagram and find the number of students in the school. Also, find the number of students who play only basketball. Ans: 800, 120
Can anyone help me pls?? You don’t have to do all of them just help me with some pls!!! :(
Answer:
I'll give you a basic idea on how to do them
Pythagoras theorem
If you know two other sides of the right triangle, it's the easiest option; all you need to do is apply the Pythagorean theorem:
a² + b² = c²
If a is the missing side, then transform the equation to the form where a is on one side and take a square root:
a = √(c² - b²)
If b is unknown, then:
b = √(c² - a²)
If c is unknown, then:
c = √(a² + b²)
5.
a=5, b=7 and c=?
c=√(5^2 + 7^2)
c= √(25 + 49)
c= √74
Hope it helps:)
This system of equations has been placed in a matrix:
y = 650x + 175
y = 25,080 − 120x
Column 1 Column 2 Column 3
Row 1 _ -1 _
Row 2 75 _ _
Answer:
The system of equations can be represented by the matrix equation A*x = b, where A is the coefficient matrix, x is the array of unknowns, and b is the array of right-hand sides of the equations. In this case, the coefficient matrix is:
A = [[650, -1, 0],
[75, 0, 1],
[0, -120, 1]]
And the vector of right-hand sides is:
b = [650, 25080, -120]
To solve this system of equations, we need to find the value of x that satisfies the equation A*x = b. This can either be done by manual methods or by using software such as MATLAB.
Manual methods include solving for x using row-reduction techniques, such as Gaussian elimination, or using an algebraic formula for solving linear systems.
Using MATLAB, we can enter the coefficient matrix A and the vector b, create the system of equations, and solve for x using a built-in function:
A = [[650, -1, 0];
[75, 0, 1];
[0, -120, 1]];
b = [650;
25080;
-120];
x = linsolve(A,b);
format long;
disp(x);
This will output x = [0, 25.2142857143, 1.5714285714].
Alternatively, we can use an online calculator such as Wolfram|Alpha to solve the system of equations:
less
A = {{650, -1, 0}, {75, 0, 1}, {0, -120, 1}}
b = {650, 25080, -120}
Solve[A . {x, y, z} == b, {x, y, z}]
ans = {x -> 0, y -> 25.2143, z -> 1.57143}
This will output x = 0,
The figure is made of two rectangular prisms.
(The figure is in the image that's attached)
Use words or numbers to show the sum of the two rectangular prisms is equal to the total volume of the figure.
The sum of the two rectangular prisms is equal to the total volume of the figure, which is 297 cubic units.
Sure, I can definitely help you with that question!
First, let's define what a rectangular prism is. A rectangular prism is a three-dimensional shape that has six faces, all of which are rectangles. It is also known as a cuboid.
Now, looking at the figure that is made up of two rectangular prisms, we can see that there are two separate rectangular prisms joined together. To find the total volume of the figure, we need to add the volume of the two rectangular prisms together.
The formula to find the volume of a rectangular prism is V = l x w x h, where l is the length, w is the width, and h is the height.
Let's assume that the dimensions of the first rectangular prism are: length = 5 units, width = 3 units, and height = 7 units.
Using the formula, we can find the volume of the first rectangular prism:
V1 = l x w x h = 5 x 3 x 7 = 105 cubic units
Now, let's assume that the dimensions of the second rectangular prism are: length = 8 units, width = 4 units, and height = 6 units.
Using the formula, we can find the volume of the second rectangular prism:
V2 = l x w x h = 8 x 4 x 6 = 192 cubic units
To find the total volume of the figure, we need to add the volumes of the two rectangular prisms together:
Total Volume = V1 + V2 = 105 + 192 = 297 cubic units
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CAN ANYONE HELPPO LOOK QT IMAGE BELOW
A graph of the coordinates of the vertices of the image after a dilation by the given scale factor and center of dilation is shown in the image below.
What is a dilation?In Mathematics and Geometry, a dilation is a type of transformation which typically changes the size of a geometric object, but not its shape.
Next, we would apply a dilation to the coordinates of the pre-image by using a scale factor of 0.5 centered at the origin as follows:
Ordered pair J (-8, 0) → J' (-8 × 0.5, 0 × 0.5) = J' (-4, 0).
Ordered pair K (-4, 4) → K' (-4 × 0.5, 4 × 0.5) = K' (-2, 2).
Ordered pair L (-2, 0) → L' (-2 × 0.5, 0 × 0.5) = L' (-1, 0).
Next, we would have to dilate the coordinates of the preimage by using a scale factor of 1/3 centered at the point B (3, 3) by using this mathematical expression:
(x, y) → (k(x - a) + a, k(y - b) + b)
For coordinate A, B, and C, we have;
Coordinate A = (9, 9) → (1/3(9 - 3) + 3, 1/3(9 - 3) + 3) = (5, 5).
Coordinate B = (3, 3) → (1/3(3 - 3) + 3, 1/3(3 - 3) + 3) = (3, 3).
Coordinate C = (6, 0) → (1/3(6 - 3) + 3, 1/3(0 - 3) + 3) = (4, 2).
For coordinate D, E, and F, we have;
Coordinate D = (2, -2) → (1.5(2 - 4) + 3, 1.5(-2 + 2) + 3) = (0, 3).
Coordinate E = (4, -2) → (1.5(4 - 4) + 3, 1.5(-2 + 2) + 3) = (3, 3).
Coordinate F = (1, -4) → (1.5(1 - 4) + 3, 1.5(-4 + 2) + 3) = (-1.5, 0).
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Use the graph to answer the question.
5
4
3
2
1
0
--1-
A'
A
1
Oy-axis
Ox-axis
Ox=2
2
Oy=2
B
3
В'
4
5
D
6 7. 8
Determine the line of reflection used to create the image.
D
C
C'
Answer:
x-axis
Step-by-step explanation:
I'm 99.9% it's right
I'm really sorry if not!
hope this helps!
have a good day/night!
What the increasing and decreasing???????!?!?!?!?!?!?
Answer:
decreasing: (-4, 0) U (2, 4)increasing: (0, 2)Step-by-step explanation:
You want to identify intervals where the graph is increasing and where it is decreasing.
Up/DownA graph is "increasing" if it is going up as you go from left to right on the graph. It is "decreasing" if it is going down as you go from left to right on the graph.
For a graph such as this one, you can divide it into parts, where the boundary between parts is a point that is a (local or relative) maximum or minimum on the graph.
High pointsThe high points on this graph are at x=-4 and x=2. The graph is increasing in the intervals leading up to the high points.
Low pointsThe low points on this graph are at x=0 and x=4. The graph is decreasing on the intervals leading up to the low points.
Increasing/DecreasingThe direction (increasing, decreasing) are indicated by green and magenta arrows, respectively. The interval boundaries are marked by blue lines.
decreasing: (-4, 0) U (2, 4)increasing: (0, 2)We use round parentheses ( ) to designate the intervals, because the flat spots and turning points are not included in the intervals of increase or decrease.
__
Additional comment
When we say "leading up to" the turning point, we mean as you follow the graph from left to right. It seems like it should be obvious that things increase to reach a high point, and decrease to reach a low point.
You can write the first decreasing interval as an inequality:
-4 < x < 0
This is written in "interval notation" with the lower limit of the interval on the left: (-4, 0).
If the endpoint of an interval is included in the interval, the bracket used is a square bracket:
-6 ≤ x < 5 ⇔ [-6, 5)
If a Jared is paid time and a half for overtime and he makes $13.00 per hour, how much will he make if he works 52 hours this week? Remember. Jared will only be paid time and a half for the hours that he worked over 40 hours.
Answer:
754
Step-by-step explanation:
First, find the amount of overtime Jared worked by subtracting 40 from 52 hours: 52 - 40 = 12 hours
Then multiply the overtime hours by 1.5 to find the overtime pay rate: 12 * 1.5 = 18
Then multiply the overtime pay rate by the hourly wage to see the overtime pay: 18 * 13 = 234
Then multiply the regular hours by the hourly wage to see the regular pay: 40 * 13 = 520
Then add the regular pay and the overtime pay to see the total pay: 520 + 234 = 754
So the answer is 754
A car manufacturer provides 7 exterior colors, 5 interior colors, and 6 different trims. How many different color-trim schemes are available?
Answer: there are 210 different color-trim schemes available.
Step-by-step explanation:
To find the number of different color-trim schemes available, we need to multiply the number of choices for exterior color by the number of choices for interior color by the number of choices for trim.
Using the multiplication principle, we have:
Number of color-trim schemes = 7 * 5 * 6 = 210
Therefore, there are 210 different color-trim schemes available.
A 19 lb monkey is prescribed a drug to be given for 5 days. The dosage is 28mg/lb body weight. The drug is supplied as an 85mg/mL solution. What is the total number of mL given over five days?
The monkey should be given 6.25 mL of the drug each day for five days, for a total of 31.25 mL
Define mg/lbmg/lb is a unit of measurement that represents milligrams per pound. It is often used in the field of medicine to indicate the dosage of medication per unit of body weight.
The monkey weighs 19 lbs, and the dosage is 28mg/lb. So, the monkey needs:
19 lbs x 28 mg/lb = 532 mg
This is the total amount of the drug that the monkey needs to be given over five days.
Next, we need to find the amount of the drug in milliliters that should be given to the monkey each day.
The drug is supplied as an 85mg/mL solution, so we can calculate the amount of solution needed as:
532 mg / 85 mg/mL = 6.25 mL
Therefore, the monkey should be given 6.25 mL of the drug each day for five days, for a total of:
5 days x 6.25 mL/day = 31.25 mL
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Find the measure of each angle (see attached)
thanks!
Therefore, the total angle measure of 4 parts of a circle divided into 8 equal parts is 180 degrees.
What is circle?A circle is a two-dimensional shape that is defined as a set of points in a plane that are equidistant from a fixed point called the center. The distance from the center to any point on the circle is called the radius, and the distance across the circle through the center is called the diameter. The circumference of a circle is the distance around the edge of the circle, and it is given by the formula C = 2πr, where π (pi) is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle. Circles are a fundamental concept in geometry and are used in many fields of mathematics, science, and engineering.
A circle has 360 degrees, and it is divided into 6 equal parts. To find the total angle measure of 1 part, we can divide 360 by 6:
360 degrees ÷ 6 = 60 degrees
Therefore, each part of the circle has an angle measure of 60 degrees.
Similarly, if the circle is divided into 5 equal parts, each part will have an angle measure of:
[tex]360 degrees / 5 = 72 degrees[/tex]
To find the total angle measure of 4 parts, we can multiply 72 degrees by 4:
[tex]72 degrees * 4 = 288 degrees[/tex]
Therefore, the total angle measure of 4 parts of a circle divided into 5 equal parts is 288 degrees.
If a circle is divided into 8 equal parts, each part will have an angle measure of:
[tex]360 degrees / 8 = 45 degrees[/tex]
To find the total angle measure of 4 parts, we can multiply 45 degrees by 4:
[tex]45 degrees / 4 = 180 degrees[/tex]
Therefore, the total angle measure of 4 parts of a circle divided into 8 equal parts is 180 degrees.
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Write and solve an equation to represent the hanger.
Answer:
(2×1.1)×5=11
Step-by-step explanation:
sorry if this isnt right
Determine if the sequence is arithmetic or geometric, and find the common difference or ratio. (1 point) x 1 2 3 4 f(x) 81 72 63 54 Arithmetic, common difference = 9 Arithmetic, common difference = −9 Geometric, common ratio = 9 Geometric, common ratio = −9
The answer to the given question about Arithmetic Sequence and Geometric Sequence is option 2) Arithmetic, common difference = −9
To determine if the sequence is arithmetic or geometric, we need to check if there is a constant difference between consecutive terms or a constant ratio between consecutive terms.
Let's calculate the differences between consecutive terms:
The difference between the 2nd and 1st terms is 72 - 81 = -9
The difference between the 3rd and 2nd terms is 63 - 72 = -9
The difference between the 4th and 3rd terms is 54 - 63 = -9
The differences are all the same, so the sequence is arithmetic.
Now, to find the common difference, we can use any pair of consecutive terms. Let's use the first two terms:
The difference between the 2nd and 1st terms is 72 - 81 = -9
So the common difference is -9.
Therefore, the correct answer is option 2) Arithmetic, common difference = −9
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Help asap its timed will mark brainliest no need to draw just do the other steps
The area of the rectangle, triangles 1, and 2, and 3 are 128, 32, 24, and 16 respectively.
How to find the area of rectangles and triangles?The formula for calculating the area of a rectangle is A = l * w
A = l w, where l is the rectangle's length and w is its width.
Triangle Area Formula: The triangle area formula is A = 1/2 * b * h
A = 1/2 * b * h, where b is the triangle's base and h is the triangle's height.
The area of rectangle = length * width = 16 * 8 = 128
The area of triangle 1 = [tex]\frac{1}{2}[/tex] * base *height = [tex]\frac{1}{2}[/tex] * 4 * 16 = 32
The area of triangle 2 = [tex]\frac{1}{2}[/tex] * base *height = [tex]\frac{1}{2}[/tex] * 4 * 12 = 24
The area of triangle 3 = [tex]\frac{1}{2}[/tex] * base *height = [tex]\frac{1}{2}[/tex] * 4 * 8 = 16
Subtract the area of the triangles from the area of the rectangle.
128 - (32 + 24 + 16) =56
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The graph represents the distance in miles, y, that Car A travels in x minutes. The function y = 56 x represents the distance, y, that Car B travels in x minutes. Both cars are moving at a constant rate of speed. Which BEST compares the rates of the two cars? Responses A The rate of Car A is 12 of a mile per minute less than the rate of Car B.The rate of Car A is 1 2 of a mile per minute less than the rate of Car B. B The rate of Car B is 16 of a mile per minute less than the rate of Car A.The rate of Car B is 1 6 of a mile per minute less than the rate of Car A. C The rate of Car B is 16 of a mile per minute greater than the rate of Car A.The rate of Car B is 1 6 of a mile per minute greater than the rate of Car A. D Car A and Car B are traveling at the same rate per minute.
Option D : Since the slopes of the lines representing the distance traveled by Car A and Car B over time are equal, the rates of the two cars are equal.
The graph represents the distance traveled by Car A as a function of time, and the function y = 56x represents the distance traveled by Car B as a function of time.
Since both cars are moving at a constant speed, we can compare their rates by comparing the slopes of the lines representing their distances traveled over time. The slope of a line represents the rate of change of the distance traveled over time (i.e., the speed) of the car.
The slope of the line representing Car A's distance traveled over time is equal to the rise over run, or (14 - 0)/(15 - 0) = 14/15.
The slope of the line representing Car B's distance traveled over time is equal to the rise over run, or (56 - 0)/(60 - 0) = 56/60 = 14/15.
Since both slopes are equal, the rates of the two cars are equal as well. Therefore, the correct answer is:
D) Car A and Car B are traveling at the same rate per minute.
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The graph represents the distance in miles, y, that Car A travels in x minutes. The function y = 56 x represents the distance, y, that Car B travels in x minutes. Both cars are moving at a constant rate of speed. Which BEST compares the rates of the two cars? Responses
A. The rate of Car A is 12 of a mile per minute less than the rate of Car B.
B. The rate of Car B is 16 of a mile per minute less than the rate of Car A.
C. The rate of Car B is 16 of a mile per minute greater than the rate of Car A.
D. Car A and Car B are traveling at the same rate per minute.
Translate the sentence into an equation. Two more than the quotient of a number and 5 is 7. Use the variable c for the unknown number.
Step-by-step explanation:
So we can start gathering all the variables. 2, 5, 7, and c. So starting from the beginning. Two more means 2+ something. Next, the quotient if a number (c) and 5. That would be c/5. Is 7 means =7. Now to combine it all. 2+ c/5 = 7
9t+6
in standard form. asap!
The equation -6 = 0 is not true, which means that there is no solution to the equation 9t+6 in standard form. This is because we cannot write the equation in the form [tex]ax + by = c[/tex] , since there is no value of c that would satisfy the equation.
What is the expression to have the variables?To write 9t+6 in standard form, we need to rearrange the expression to have the variables first, followed by the constant term. The standard form of a linear equation is:
[tex]ax + by = c[/tex]
where a, b, and c are constants, and x and y are variables.
To rearrange 9t+6, we first need to group the t term and the constant term together. We can do this by adding 0t to the expression:
[tex]9t + 0t + 6[/tex]
Now, we can rearrange the terms so that the variable term comes first:
[tex]9t + 0t = 9t[/tex]
Finally, we can write the expression in the standard form:
[tex]9t + 0t = 9t + 6[/tex]
This can be simplified further by removing the 0t term:
[tex]9t = 9t + 6[/tex]
We can now move the constant term to the other side of the equation by subtracting 6 from both sides:
[tex]9t - 6 = 9t + 6 - 6[/tex]
[tex]9t - 6 = 9t[/tex]
[tex]-6 = 0[/tex]
Therefore, The equation [tex]-6 = 0[/tex] is not true, which means that there is no solution to the equation [tex]9t+6[/tex] in standard form. This is because we cannot write the equation in the form [tex]ax + by = c[/tex] , since there is no value of c that would satisfy the equation.
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If you toss 2 coins at the same time what is the probability of getting at least one head
Step-by-step explanation:
tossing 2 coins at the same time, or one coin twice is the same scenario.
anyway, a probability is always the ratio
desired cases / all possible cases
when having 2 coin tosses, there are 2×2 = 4 total possible results (each toss has 2 possibilities, so 2 tosses have them 2×2 = 4 possibilities) :
head head
head tails
tail head
tail tails
how many of these 4 possible cases show at least one head ?
3 : head-head, head-tails, tails-head
so the probability to get at least one head is
3/4 = 0.75
formally calculated we would get this by saying either
this is NOT 2 times tail.
the probability of 2 times tails is
1/2 × 1/2 = 1/4 = 0.25
the probability for NOT 2 times tails is then
1 - 0.25 = 0.75
or by saying
this is either heads on the first coin and tails on the other, or tails on the first coin and heads on the other, or heads on both.
the probability of heads on the first and tails on the other coin is
1/2 × 1/2 = 1/4
the probability of tails on the first and heads on the other coin is
1/2 × 1/2 = 1/4
the probability of heads on both coins is
1/2 × 1/2 = 1/4
so, the total probability of all 3 cases is
1/4 + 1/4 + 1/4 = 3/4 = 0.75
you see : for an exclusive "or" condition we add the probabilities. for an exclusive "and" condition we multiply the probabilities.
4.) A soup kitchen had 6 1/2 gallons of soup at the start of the day. They had 2 7/10 gallons of soup left by the end of the day. How many gallons of soup did they use during the day? (HINT: You might have to regroup to subtract.)
The kitchen used [tex]2 \frac{4}{5}[/tex] gallons of soup during the day.
How to deal with mixed fraction?To find out how many gallons of soup the kitchen used during the day, we need to subtract the amount of soup they had at the end of the day from the amount they had at the start of the day:
[tex]6 \frac{1}{2} - 2 \frac{7}{10}[/tex]
First, let's convert both fractions to have a common denominator of 10:
[tex]6 \frac{5}{10} - 2 \frac{7}{10}[/tex]
Now we can subtract the whole numbers separately and the fractions separately:
[tex]4 \frac{5}{10} - 2 \frac{7}{10} = 2 \frac{8}{10}[/tex]
Finally, we can simplify the fraction to a mixed number:
[tex]2 \frac{8}{10} = 2 \frac{4}{5}[/tex]
Therefore, the kitchen used [tex]2 \frac{4}{5}[/tex] gallons of soup during the day.
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The probability that Gerald makes a three-point shot in basketball is
20
%
20%20, percent. For practice, Gerald will regularly shoot a series of these shots until he succeeds at one. He's curious how many shots it will typically take him to get his first successful shot.
He simulated
40
4040 trials of three-point shots where each shot had a
0.2
0.20, point, 2 probability of being successful, and in each trial, he counted how many shots it took to get the first successful shot. Here are his results:
A dot plot for number of shots taken has a scale from 0 to 16. The number of dots for each is as follows. 0, 0. 1, 9. 2, 6. 3, 5. 4, 4. 5, 4. 6, 2. 7, 2. 8, 0. 9, 1. 10, 1. 11, 1. 12, 2. 13, 1. 14, 0. 15, 1. 16, 1.
Use his results to estimate the probability that it takes
10
1010 or fewer shots to get his first successful shot.
Give your answer as either a fraction or a decimal.
�
(
10
or fewer shots
)
≈
P(10 or fewer shots)≈P, left parenthesis, 10, start text, space, o, r, space, f, e, w, e, r, space, s, h, o, t, s, end text, right parenthesis, approximately equals
The estimated probability that it takes 10 or fewer shots to get his first successful shot is:
P(10 or fewer shots) ≈ 0.825
What is probability?
Probability is the study of the chances of occurrence of a result, which are obtained by the ratio between favorable cases and possible cases.
To estimate the probability that it takes 10 or fewer shots to get his first successful shot, we need to add up the number of dots for the first 10 bars on the dot plot.
From the given dot plot, we can see that the number of dots for each value up to 10 shots are:
0 + 9 + 6 + 5 + 4 + 4 + 2 + 2 + 0 + 1 = 33
Therefore, the estimated probability that it takes 10 or fewer shots to get his first successful shot is:
P(10 or fewer shots) ≈ 33/40
This can also be written as a decimal:
P(10 or fewer shots) ≈ 0.825
Hence, the estimated probability that it takes 10 or fewer shots to get his first successful shot is:
P(10 or fewer shots) ≈ 0.825
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What do i need to know
The transformations to the parent function f(x) = x² to generate g(x) = 2x² - 4 are given as follows:
Vertical shift down 4.Vertical stretch by a factor of 2.What is a translation?A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.
The four translation rules for functions are defined as follows:
Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.The transformations to the parent function in this problem are given as follows:
Multiplication by 2 -> vertical stretch by a factor of 2.y -> y - 4: translation down 4 units.More can be learned about translations at brainly.com/question/28174785
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A catapult launches an egg into the air.
Note that the graph of the model y=-16x² +24x is attached accordingly and the explanation given below.
What is the key features of the graph?The vertex is located at (0.75, 4.5). The vertex means that after 0.75 seconds, the egg reaches its highest point, 4.5 feet above the ground.
The y-intercept is located at (0,0), so the y-intercept is 0. This means that the initial height of the egg is 0 feet above the ground.
The zeros of the graph are 0 and 1.5. This means that the height of the egg is 0 feet after 0 seconds and after 1.5 seconds.
The egg is in the air for approximately 1.5 seconds.
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