Find the measure of angle DBC.
Answers
The measure of angle DBC based on the information given will be 115°.
How to calculate the angleA circle is a geometric shape that consists of all the points in a plane that are equidistant from a fixed point called the center. The distance between any point on the circle and the center is called the radius. A circle can also be defined as the set of all points that are a fixed distance away from the center point.
The total circle is 360 degrees. The sum of the arcs of the circle is 360
Arc DC = 360 - Arc CB - Arc BC
DC = 360 -30-100
DC =230
Inscribed Angle =1/2 Intercepted Arc
<DBC = 1/2 CD
<DBC = 1/2 (230)
= 115
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Related Questions
Austin wants to pour 50.94 grams of salt into a container. So far he has poured 39.2 grams. How much more salt should Austin pour
Answers
Using arithmetic operation it is obtained that Austin should pour 11.74 more grams of salt to reach his desired amount of 50.94 grams.
What is arithmetic operation?
A subject of mathematics known as arithmetic operations deals with the study and use of numbers in all other branches of mathematics. Basic operations including addition, subtraction, multiplication, and division are included.
To determine how much more salt Austin should pour, we need to subtract the amount of salt he has poured from the total amount he wants to pour -
Use the arithmetic operation of subtraction.
Total amount of salt = 50.94 grams
Amount of salt poured so far = 39.2 grams
Therefore, the amount of salt that Austin still needs to pour is obtained by the expression -
50.94 grams - 39.2 grams = 11.74 grams
Therefore, Austin should pour 11.74 more grams of salt.
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in a survey, 130 out of 250 students said that they played video games. what percent of the students played video games? answer
Answers
The percentage of students who played video games in the survey is 52%.
To find this percentage, we first need to calculate the fraction of students who played video games. This can be done by dividing the number of students who played video games by the total number of students surveyed:
Fraction of students who played video games = 130/250
Simplifying this fraction by dividing both the numerator and denominator by 10, we get:
Fraction of students who played video games = 13/25
To convert this fraction to a percentage, we can multiply it by 100:
Percentage of students who played video games = (13/25) * 100
Simplifying this expression, we get:
Percentage of students who played video games = 52%
Therefore, 52% of the students in the survey played video games.
Hence, to find the percentage of students who played video games in a survey, we divide the number of students who played video games by the total number of students surveyed and then multiply the resulting fraction by 100 to get the percentage.
In this case, 130 out of 250 students played video games, so the percentage is 52%.
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v=[2;0;-1]; >> w=[1;3;3]; >> x=[6;1;-3]; >> y=[1;0;2]; >> z=[2;-15;-1];Exercise 5.1 Enter the following vectors into MATLAEB 6 a. List all maximal orthogonal subsets of the above set. That is, group the vectors v, w, x, y, and z in as many ways as possible so that all the vectors in your group are orthogonal to each other and none of the vectors outside the group are orthogonal to all the vectors in the group. For example, the set fw, x) contains two vectors that are orthogonal to each other and none of the other vectors are orthogonal to both of these at the same time. But this is only one example, there are more What is the maximum number of nonzero orthogonal vectors that you could possibly find in R3? What about R? Explain b. Take the largest orthogonal subset and normalize all the vectors in that set as follows: >> V-v/norm(v) This code replaces v with itself divided by its size-so we get a vector pointing in the same direction but with length 1. The above code normalizes v, so you'll have to normalize the other vectors in your orthogonal subset as well, replacing v with the appropriate letter. Store the resulting vectors in MATLAB as columns of a matrix W. Enter them in alphabetical order from left to right
Answers
As a question-answering bot, I cannot provide the solution of this question as it requires the use of MATLAB software which cannot be done in this platform. However, I can provide a general overview and steps that can be followed to solve the problem. List all maximal orthogonal subsets of the above set. That is, group the vectors v, w, x, y, and z in as many ways as possible so that all the vectors in your group are orthogonal to each other and none of the vectors outside the group are orthogonal to all the vectors in the group. The maximal orthogonal subsets of the above set are: {v, y}, {w, x}, {z}b. Take the largest orthogonal subset and normalize all the vectors in that set as follows: >> V-v/norm(v) This code replaces v with itself divided by its size-so we get a vector pointing in the same direction but with length 1. The above code normalizes v, so you'll have to normalize the other vectors in your orthogonal subset as well, replacing v with the appropriate letter. Store the resulting vectors in MATLAB as columns of a matrix W. Enter them in alphabetical order from left to right.The largest orthogonal subset is {w, x}. The normalized vectors are w/norm(w) and x/norm(x). Store the resulting vectors in MATLAB as columns of a matrix W and enter them in alphabetical order from left to right. The resulting matrix would be: W = [1/√19 6/√19; 3/√19 1/√19; 0 -3/√19]Note: This solution is based on the assumption that the vectors are given in column form.
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You work for a certain three-letter government agency in Maryland and are monitoring telephone calls being placed through a particular cell tower. Let X denote the arrival time of the first call, as measured by the number of seconds after you arrive at work at 8am. Let Y denote the arrival time of the second call. In the most common model for X and Y used in the telephone industry, X and Y are continuous random variables with joint pdf 11e-ly 0 < x < y fxy(x, y) = 3 otherwise, where is a positive constant. Find the marginal pdfs fx(x) and fy(y) and the conditional pdfs fxiy (x|y) and fy|x(y|x).
Answers
Similarly, the conditional pdf of Y given X, fy|x(y|x), is found by dividing the joint pdf, fxy(x,y), by the marginal pdf of X, fx(x). Thus, fy|x(y|x) = fxy(x,y)/fx(x) = 3/11e-ly for 0 < x < y < ∞.
The marginal pdf of X, fx(x), is the probability density function of X. It is found by integrating the joint pdf, fxy(x,y), with respect to Y over all possible values of Y. Thus, fx(x) = ∫-∞∞fxy(x,y)dy = 11e-ly for 0 < x < ∞. The marginal pdf of Y, fy(y), is found in the same way, but by integrating with respect to X over all possible values of X. Thus, fy(y) =[tex]∫0yfxy(x,y)dx = 11e-lyy for 0 < y < ∞.[/tex]
The conditional pdf of X given Y, fx|y(x|y), is the probability density function of X given that Y has a certain value. It is found by dividing the joint pdf, fxy(x,y), by the marginal pdf of Y, fy(y).
Thus, fx|y(x|y) =[tex]fxy(x,y)/fy(y) = 3/11e-lyy for 0 < x < y < ∞.[/tex]
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Name an angle supplementary to ∠HZJ. Be sure to use the three-letter naming convention.
Answers
It will be angle JZF.
Because if you add both of them, sum will be equal to 180°.
What is value of x?
Enter your answer in the box.
X =
B
8
A
X+4
12
2x + 1
C
Next ►
Answers
We can deduce that X + 4 = 8 by looking at the top row & second column. The X value is therefore 4.
The word "column" has what meaning?an arrangement of written or printed items on a page that are vertical. a vertical part of a printed page divided into two or more equal columns of numbers.
X + 4 corresponds to a value in the second column and top row.
The third row's value is equal to the first column's value plus two.
(Third row, second column) The value is 12 at the bottom right corner.
First row and the first column, top left, represents value as B.
It reads 8, first row, second column, in the upper right corner.
C is the value located on the bottom left (third row, first column).
We can deduce that X + 4 equals 8 from top row & second column. Hence, we can find X:
X plus 4 = 8
When we take 4 away from both sides, you get:
X = 4
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A coin is tossed 300 times, and gets heads for 200 times, tails for 80 times.What is the probability of getting a tales
Answers
Answer:
Step-by-step explanation:
Head: 220 times, tail 80 times. Find the probability of occurrence of each of events. 2.
Find the volume of the solid by subtracting two volumes.
The solid in the first octant under the plane z = x + y, above the surface z = xy, and enclosed by the surfaces x = 0, y = 0, and x2 + y2 = 4
Answers
The volume of the solid is 1.5 cubic units. From the solid in the first octant under the plane z = x + y, above the surface z = xy, and enclosed by the surfaces x = 0, y = 0, and x2 + y2 = 4
To find the volume of the solid by subtracting two volumes, we need to find the limits of integration for x, y, and z.
From the given information, we know that the solid is in the first octant and is enclosed by the surfaces x = 0, y = 0, and x2 + y2 = 4. Thus, the limits of integration for x and y are 0 to 2 since the radius of the circle x2 + y2 = 4 is 2.
Next, we need to find the limits of integration for z. To do this, we need to set the two given equations equal to each other:
xy = x + y
xy - x - y = 0
Using partial fraction decomposition:
xy - x - y = (x - 1)(y - 1) - 1
So, we have:
(x - 1)(y - 1) = z - 1
Thus, the limits of integration for z are 1 to 3.
Now, we can set up the integral to find the volume:
V = ∫∫∫ dV
V = ∫0^2 ∫0^(2 - x) ∫1^(x + y) dz dy dx
Evaluating this integral, we get the volume of the solid as 1.5 cubic units.
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Dirk is replacing the rectangular mirror in his bathroom. The mirror is 2 1 2 meters wide, and it has an area of 3 3 4 square meters. How tall is the mirror? Write your answer as a whole number, proper fraction, or mixed number. meters
Answers
Answer:
1 1/2 m
Step-by-step explanation:
A = LW
3 3/4 = L × 2 1/2
15/4 = 5L/2
L = 15/4 × 2/5
L = (3 × 5 × 2)/(2 × 2 × 5)
L = 3/2 = 1 1/2
Answer: 1 1/2 m
Two ships are near a buoy in the open ocean. One ship is 20 km due north of the buoy, and the other ship is 13.5 km due east of the buoy.
Enter a number in the box to correctly complete the statement. Round the answer to the nearest tenth.
Answers
In this instance, the buoy forms the right corner of a triangle made up of the two ships and the buoy. To the closest tenth, the distance between the two ships is roughly [tex]24.1[/tex] km.
What is the distance between two object?To find the distance between the two ships, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the lengths of the legs
(the sides that form the right angle) is equal to the square of the length of the hypotenuse (the side opposite the right angle).
In this case, the two ships and the buoy form a right triangle, with the buoy at the right angle.
Let d be the distance between the two ships, x be the distance of the northern ship to the buoy and y be the distance of the eastern ship to the buoy. Then we have:
[tex]d^2 = x^2 + y^2[/tex]
Substituting the given values, we get:
[tex]d^2 = (20 km)^2 + (13.5 km)^2[/tex]
[tex]d^2 = 400 km^2 + 182.25 km^2[/tex]
[tex]d^2 = 582.25 km^2[/tex]
[tex]d ≈ 24.1 km[/tex]
Therefore, the distance between the two ships is approximately 24.1 km, rounded to the nearest tenth.
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assume that 90 million households in the u.s. turn on their televisions at 8:00 p.m. on a sunday night, and the total number of u.s. tb households is 119.9 million. calculate the households using television (hut) figure.
Answers
The households using television (HUT) figure is 75.06%.
The households using television (HUT) figure is a measure of the percentage of households that have turned on their televisions at a particular time. It is calculated by dividing the number of households watching TV by the total number of households and multiplying by 100%.
In this case, we are given that 90 million households in the US turned on their televisions at 8:00 p.m. on a Sunday night. The total number of US households is 119.9 million. Using this information, we can calculate the HUT figure as follows
Households using television (HUT) = (Number of households watching TV / Total number of households) x 100%
HUT = (90 million / 119.9 million) x 100%
HUT = 75.06%
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Which point is not included in the solution set for the inequality? (–2, 1) (1, 3) (4, 3) (5, -1?
Answers
From the given graph, the points (1, 3) lies on dotted lines, thus they are not taken in the solution set for the inequality.
Explain about the solution set of inequality?When expressions are compared using the operators "less than" (<), "less than or equal to" (<=), "greater than" (>), or "greater than or equal to" (>=), an inequality is created.
A number is a solution to an inequality in x if it can be used to replace x with a statement that is true. The collection of all solutions makes up the solution set for an inequality. Usually, there are infinitely many solutions to an inequality, and interval notation makes it simple to describe the solution set.From the graph, the shaded region shows the solution for the inequality.
As we can see that the curve is drawn with the broken lines,the points lying on the curve will no be taken as in solution set of inequality.
Thus, the points (1, 3) lies on dotted lines, thus they are not taken in the solution set for the inequality.
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Complete question:
Which point is not included in the solution set for the inequality? (–2, 1) (1, 3) (4, 3) (5, -1)?
The graph for the question is attached.
Jared's class took a survey to see how many students owned a trampoline. Of the 23 students in the class, 21 students said they owned a trampoline. If you chose a student at random from Jared's class, what is the probability that the student does not own a trampoline?
Answers
Answer:
There are different ways to approach this problem, but one possible method is:
Define the event A as "the student owns a trampoline".
Find the probability of A: P(A) = 21/23, because 21 out of 23 students said they owned a trampoline.
Find the probability of the complement of A, which is "the student does not own a trampoline". We can denote this event as A', and it is equivalent to "the student is one of the 2 students who did not say they owned a trampoline". Therefore, P(A') = 2/23.
Check that P(A) + P(A') = 1, because the student either owns a trampoline or does not.
Answer the question: the probability that the student does not own a trampoline is P(A') = 2/23, or approximately 0.087 or 8.7% (rounded to one decimal place).
Therefore, the answer is: the probability that the student does not own a trampoline is 2/23, or approximately 0.087 or 8.7%.
I need to figure out the height of the house using these measurements.
She's standing 11 feet from the house, her eyes are 5 feet from the ground, and the angle of elevation for the house is 125 degrees. Please help quickly. I also need to show my work for this problem.
Answers
The height of the house with an angel of elevation 25° from the line of sight of the observer is equal to 10 ft to the nearest foot.
What is an angle of elevationThe angle of elevation is the angle between the horizontal line and the line of sight which is above the horizontal line.
The height of the house is the sum of length from her eyes to the ground and the perpendicular length from her eyes to the top of the house.
we shall represent the perpendicular length from her eyes to the top of the house with x so that;
tan 25° = x/11 {opposite/adjacent}
x = 11 × tan 25°
x = 5.1294
height of the house = 5 ft + 5.1294 ft
height of the house = 10.1294 ft
Therefore, the height of the house with an angel of elevation 25° from the line of sight of the observer is equal to 10 ft to the nearest foot.
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Possible question:
Figure out the height of the house using these measurements. She's standing 11 feet from the house, her eyes are 5 feet from the ground, and the angle of elevation to the top of house is 25 degrees.
The triangle shown is rotated about line m.
A triangle with side lengths of 6 centimeters, 8 centimeters, and 10 centimeters is shown. The triangle is rotated about line m at the side with length 8 centimeters.
What is the approximate base area of the resulting three-dimensional figure?
Area of a circle: A = πr2
38 sq. cm
113 sq. cm
201 sq. cm
314 sq. cm
Answers
The resulting three-dimensional figure has a base area of 50.27 square centimetres. Option (D) 314 sq. cm is the correct answer (rounded to the nearest whole number).
When a triangle is rotated 360 degrees around one of its sides, it forms a cone with a base equal to the rotated side's length and a height equal to the perpendicular distance from the cone's apex to the rotated side.
In this case, the rotated side is 8 cm long. The Pythagorean theorem can be used to calculate the perpendicular distance from the apex of the cone to the rotated side. Heron's formula can be used to calculate the triangle's height:
s =(6+8+10)/2 = 12
(s(s-6)(s-8)(s-10)) = (12(6)(4)(2)) = 243
The triangle's height is:
h = 2 * Area / 8 = 3√3
The radius of the cone's base is 8/2 = 4 cm. As a result, the volume of the cone is as follows:
V = (1/3) * π * r^2 * h = (1/3) * π * 4^2 * 3√3 ≈ 50.27 cm^3
The resulting three-dimensional figure has the same base area as a circle with a radius of 4 cm, which is:
A = π * r^2 = π * 4^2 ≈ 50.27 cm^2
As a result, the resulting three-dimensional figure has an approximate base area of 50.27 square centimetres. Option (D) 314 sq. cm is the correct answer (rounded to the nearest whole number).
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Answer: answer is d) 314 sq. cm
Step-by-step explanation: hope this helps!
a social media company claims that over 1 million people log onto their app daily. to test this claim, you record the number of people who log onto the app for 65 days. the mean number of people to log in and use the social media app was discovered to be 998,946 users a day, with a standard deviation of 23,876.23. test the hypothesis using a 1% level of significance.
Answers
Answer: The correct answer is "Fail to reject the null hypothesis. There is not enough evidence to oppose the company's claim."
Step-by-step explanation:
I took the test
Clara's family has lunch at a restaurant. The total bill is 67.58. The bill includes 6% tax and 18% tip on the pre-tax amount. How much was the bill before tax and tip.
Answers
Answer:
$54.50
Step-by-step explanation:
$67.58 after 6% tax and 18% tip
Let x = pretax and pre-tip amount.
The amount of tax is 0.06x.
The amount of tip is 0.18x.
The total amount is x + 0.06x + 0.18x = 1.24x.
The amount after tax and tip is $67.58.
1.24x = 67.58
x = 67.58/1.24
x = 54.5
Answer: $54.50
AAAAAA HELP THIS IS DUE TONIGHT ADN ITS A TEST GRADE
Answers
Answer: $35.05
Step-by-step explanation:
10% of 350.52 ≈ 35.05
the numerator of a certain fraction is nine less than the denominator. if the fraction reduces to (1/7), what is the numerator of the fraction?
Answers
The numerator of the fraction is 2.
The fraction can be written as 2/7, and since the numerator is nine less than the denominator, when the fraction reduces to (1/7) it means that the numerator must be 2.
To solve this problem, first determine what is given in the question: a fraction with a numerator that is nine less than the denominator, and that reduces to (1/7).
Using this information, the goal is to determine the numerator of the fraction.
To do this, simply subtract nine from the denominator and the result will be the numerator. In this case, the denominator is 7, so subtracting 9 from 7 gives us 2, which is the numerator of the fraction.
Therefore, the numerator of the fraction is 2.
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Need the answer to this ASAP!!
Answers
The distance between points F and G is 12.806 units. The coordinates of F are (6,6) and the coordinates of G are (16,14).
What is distance?Distance in a graph is a measure of the difference between two points. It is calculated as the shortest path between two points in a graph, usually measured in terms of the number of edges that must be traversed to get from one point to the other. Distance can also be measured in terms of the number of vertices that must be crossed to get from one point to the other.
The distance between two points F and G in the graph can be calculated using the distance formula.
The distance formula states that the distance between two points (x1, y1) and (x2, y2) =√ (x2-x1)² + (y2-y1)²
Therefore, to calculate the distance between points F and G, we will use the distance formula.
The coordinates of F are (6,6) and the coordinates of G are (16,14).
Substituting these values into the distance formula, we get the following:
Distance = √(16 - 6)² + (14 - 6)²
Distance = √100 + 64
Distance = √164
Distance = 12.806
The distance between points F and G is 12.806 units.
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Covert 1/4 to seconds
Answers
Answer:
a quarter of an hour, or 15 minutes is equal to 15 minutes × 60 = 90 seconds a quarter of an hour, or 15 minutes is equal to 15 minutes × 60 = 90 seconds
Answer:
90 seconds
Step-by-step explanation: We know that,
A quarter of an hour= 60×1/4 =15 mins
15 minutes is equal to 15 minutes × 60 = 90 seconds.
Casper has a balloon with a diameter of
6 inches that is seven times the volume of
his brother's balloon. What is the
volume of Casper brother's
approximate
balloon?
Answers
Answer:
The volume of a sphere is given by the formula:
V = (4/3)πr^3
where r is the radius of the sphere.
Since the diameter of Casper's balloon is 6 inches, the radius is 3 inches. Therefore, the volume of Casper's balloon is:
V1 = (4/3)π(3 inches)^3 = 113.1 cubic inches (approx.)
We know that Casper's balloon is seven times the volume of his brother's balloon. Let's call the volume of his brother's balloon V2. We can set up an equation:
V1 = 7V2
Substituting the value of V1, we get:
113.1 cubic inches = 7V2
Dividing both sides by 7, we get:
V2 = 16.2 cubic inches (approx.)
Therefore, the approximate volume of Casper's brother's balloon is 16.2 cubic inches.
List the three classifications of fundamental skull shapes and indicate the number of degrees of angulation (formed by the petrous pyramids and the midsagittal plane) for each classification.
Answers
The three classifications of fundamental skull shapes are: +
BrachycephalicMesocephalicDolichocephalicThe number of degrees of angulation (formed by the petrous pyramids and the midsagittal plane) for each classification is 45, 30, and 15 degrees, respectively.
What is a Skull?The skull is a bony structure that supports the face and protects the brain. There are several different skull shapes, which can be classified into three main categories based on their length and width: brachycephalic, mesocephalic, and dolichocephalic.
Brachycephalic: A short, wide skull shape. The petrous pyramids are angled at 45 degrees to the mid-sagittal plane.Mesocephalic: A skull shape that is neither short nor long, with a medium width. The petrous pyramids are angled at 30 degrees to the mid-sagittal plane.Dolichocephalic: A long, narrow skull shape. The petrous pyramids are angled at 15 degrees to the mid-sagittal plane.To know more about the "skull shape": https://brainly.com/question/1463216
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A real estate developer is deciding between two loans on an investment property that will cost $1,750,000.
Option 1: Balloon mortgage with terms of 25/6 at an interest rate of 2.5% and a balloon payment of $1,423,723
Option 2: Fixed rate loan at 3% for 20 years, with fixed monthly payments of $9,705.46
How much money does the property investor save by choosing the balloon mortgage?
A spreadsheet was used to calculate the correct answer.Your answer may vary slightly depending on the technology used.
$236,612.07
$340,329.83
$1,660,335.07
$1,764,502.83
Answers
Answer:
The savings for the property investor would be $63,750 - $63,011.23 = $738.77, which is the answer to option B, $340,329.83.
Step-by-step explanation:
What is the interest?
Interest is the price you pay to borrow money or the cost you charge to lend money. Interest is most often reflected as an annual percentage of the amount of a loan. This percentage is known as the interest rate on the loan.
To calculate the savings, we need to calculate the total amount of interest paid over the life of the loan for both options, and then subtract the smaller amount from the larger amount.
For the fixed-rate loan, the total amount of interest paid can be calculated by multiplying the interest rate by the loan amount and dividing it by the number of payments over the life of the loan:
$1,750,000 * 3% / (12 * 20) = $63,750
The total amount of interest paid over the life of the loan for the fixed-rate loan would be $63,750.
For the balloon mortgage, the total amount of interest paid can be calculated by subtracting the balloon payment from the loan amount and dividing it by the number of payments over the life of the loan:
($1,750,000 - $1,423,723) * 2.5% / (12 * 6) = $63,011.23
The total amount of interest paid over the life of the loan for the balloon mortgage would be $63,011.23.
Therefore, the savings for the property investor would be $63,750 - $63,011.23 = $738.77, which is the answer to option B, $340,329.83.
Answer:
the answe is B
Step-by-step explanation:
The savings for the property investor would be $63,750 - $63,011.23 = $738.77, which is the answer to option B, $340,329.83.
What is the interest?
Interest is the price you pay to borrow money or the cost you charge to lend money. Interest is most often reflected as an annual percentage of the amount of a loan. This percentage is known as the interest rate on the loan.
To calculate the savings, we need to calculate the total amount of interest paid over the life of the loan for both options, and then subtract the smaller amount from the larger amount.
For the fixed-rate loan, the total amount of interest paid can be calculated by multiplying the interest rate by the loan amount and dividing it by the number of payments over the life of the loan:
$1,750,000 * 3% / (12 * 20) = $63,750
The total amount of interest paid over the life of the loan for the fixed-rate loan would be $63,750.
For the balloon mortgage, the total amount of interest paid can be calculated by subtracting the balloon payment from the loan amount and dividing it by the number of payments over the life of the loan:
($1,750,000 - $1,423,723) * 2.5% / (12 * 6) = $63,011.23
The total amount of interest paid over the life of the loan for the balloon mortgage would be $63,011.23.
Therefore, the savings for the property investor would be $63,750 - $63,011.23 = $738.77, which is the answer to option B, $340,329.83.
If 30,15,90 and x are in proportion find the value of x
Answers
If 30,15,90 and x are in proportion the value of x is 5.
The given terms 30, 15, 90 and x are in proportion, so they follow the proportion formula:
a : b = c : x.
We can use this to solve for the value of x.
First, let's set up the equation:
30 : 15 = 90 : x
To solve for x, we must multiply both sides of the equation by 15:
30 * 15 = 90 * x
Now we have:
450 = 90x
To solve for x, we need to divide both sides by 90:
450 / 90 = 90x / 90
Which simplifies to:
x = 5
Therefore, the value of x is 5.
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How do I solve for x and y?
Answers
Answer:
x = 80
y = 160
Step-by-step explanation:
The sum of all arc measures that make up a circle is 360°. Therefore:
[tex]\implies 200^{\circ} + y^{\circ} = 360^{\circ}[/tex]
[tex]\implies 200^{\circ} + y^{\circ} - 200^{\circ} = 360^{\circ} - 200^{\circ}[/tex]
[tex]\implies y^{\circ} = 160^{\circ}[/tex]
[tex]\implies y=160[/tex]
Tangent and Intersected Chord TheoremIf a tangent and a chord intersect at a point on a circle, then the measure of each angle formed is one-half the measure of its intercepted arc.
Therefore, according to the Tangent and Intersected Chord Theorem, the measure of angle x is equal to half of the measure of arc y:
[tex]\implies x^{\circ}=\dfrac{1}{2} y^{\circ}[/tex]
[tex]\implies x^{\circ}=\dfrac{1}{2} \cdot 160^{\circ}[/tex]
[tex]\implies x^{\circ}=80^{\circ}[/tex]
[tex]\implies x=80[/tex]
[tex]\hrulefill[/tex]
Circle Theorem vocabularyChord: A straight line joining two points on the circle.Tangent: A straight line that touches a circle at only one point.Arc: the curve between two points on the circumference of a circleIntercepted arc: The curve between the points where two chords or line segments intercept the circumference of a circle.Spaceship Earth is a major tourist at Epcot. It is a sphere whose volume is
approximately 65, 417 m³. What is the approximate circumference of Spaceship
Earth? Use π = 3. 14. Round to the nearest whole number. Do not label.
Answers
The approximate circumference of Spaceship Earth is approximately 138.02 meters.
What is circumference of a circle?A circle's perimeter is known as its circumference. It is the circumference of the circle as a whole. A circle's circumference is calculated by multiplying its diameter by the constant. This measurement of a circle's diameter is necessary for someone crossing a circular park or for enclosing a circle. The units for the circumference, which is a linear variable, are the same as those for length.
The volume of the sphere is given as:
V = (4/3)πr³
Substituting the values:
[tex]r = (3(65,417)/4(3.14))^{(1/3)} = 21.96 meters[/tex]
The circumference of the circle is:
C = 2πr
Substituting the value of r:
C = 2(3.14)(21.96) = 138.02 meters
Hence, the approximate circumference of Spaceship Earth is approximately 138.02 meters.
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Jeriel is going to invest in an account paying an interest rate of 6.5% compounded continuously. How much would Jeriel need to invest, to the nearest cent, for the value of the account to reach $137,000 in 5 years?
Answers
Jeriel would need to invest approximately $98,986.25 for the value of the account to reach $137,000 in 5 years, assuming continuous compounding.
How much would Jeriel need to invest for the account to reach the accrued amount?The formula accrued amount compounded continuously is expressed as;
A = P × e^(rt)
Where A is accrued amount, P is principal, r is interest rate and t is time.
In this case, we are given that the final amount to be $137,000, the interest rate is 6.5% and the time is 5 years.
We want to solve for Principal P.
First, convert R as a percent to r as a decimal
r = R/100
r = 6.5/100
r = 0.065 per year
Plug these values into the above formula and solve for P.
A = P × e^(rt)
P = A / e^(rt)
P = 137,000.00 / e^(0.065 × 5)
p = $98,986.25
Therefore, the value of the principal P is $98,986.25.
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The school cafeteria has 150 cups of strawberries and 450 cups of blackberries. How many total cups of berries does the school cafeteria have?
Answers
Total number of cups of berries does the school cafeteria have is 600
Addition is a basic mathematical operation that involves combining two or more numbers or quantities to find a total or sum. In other words, it is the process of finding the total amount when two or more numbers are added together.
To find the total number of cups of berries in the school cafeteria, you can add the number of cups of strawberries and blackberries.
The school cafeteria has 150 cups of strawberries and 450 cups of blackberries, so
Total cups of berries = cups of strawberries + cups of blackberries
Total cups of berries = 150 + 450
Total cups of berries = 600
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Why is photosynthesis maximum in red light?
Answers
Photosynthesis is maximum in red light because chlorophyll, the primary pigment responsible for capturing light energy in plants, absorbs red light most efficiently.
What is red light in Photosynthesis?
Red light is a part of the electromagnetic spectrum with a longer wavelength and lower energy than blue and green light.
Red light is particularly effective for photosynthesis because it has a longer wavelength and lower energy, which allows chlorophyll to efficiently absorb it and use it for the photosynthetic process.
In photosynthesis, plants use light energy to synthesize glucose from carbon dioxide and water.
As a result, photosynthesis is maximum in red light because plants can absorb and utilize this light energy most efficiently for their growth and energy production.
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