Cullumber Beauty Corporation's break-even point in sales dollars for the year 2022 is $1,200,000.
What is the break-even point?
The break-even point is defined as the point at which a company's overall costs are equal to its total revenue. The company neither makes a profit nor incurs a loss at this point. The break-even point in dollar amount is calculated by dividing the fixed costs by the contribution margin ratio.The given information is:Net sales revenue = $3,500,000Commission expense = 21% of sales = 0.21 * $3,500,000 = $735,000Net sales revenue − Variable costs = Contribution marginContribution margin − Fixed costs = Operating incomeBreak-even point is the level of sales revenue required to cover all of a company's costs. At this point, the operating income is zero. The fixed expenses are divided by the contribution margin ratio to find the break-even point in dollars.
Fixed expenses = [tex]$900,000[/tex]Net sales revenue − Variable costs = Contribution marginContribution margin − Fixed expenses = Operating income0 = Net sales revenue − Variable costs − Fixed expenses0 = [tex]$3,500,000 − (0.75 × $3,500,000) − $900,0000.25 × $3,500,000 = $900,000$875,000 = $900,000[/tex] − Commission expense[tex]$3,500,000 − $875,000 = $2,625,000[/tex]
Break-even point = $900,000 ÷ (0.75 × $3,500,000)Break-even point = $900,000 ÷ $2,625,000Break-even point = 0.34 ≈ 34%Break-even point in sales dollars = 34% × $3,500,000Break-even point in sales dollars = $1,190,000 ≈ $1,200,000Therefore, Cullumber Beauty Corporation's break-even point in sales dollars for the year 2022 is $1,200,000.
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If a = 3 square root of 3 in the right triangle below, what is the value of b?
Please help and hurry
Answer:
sub in 6 into g
6^2+23
36+23
59
the fifth term of the sequence is 5 and the sixth term is 2.5. What is the 2nd term?
Answer:
Let's denote the first term of the sequence as a, and the common difference between consecutive terms as d.
Then, we know that the fifth term is 5, so:
a + 4d = 5
Similarly, we know that the sixth term is 2.5, so:
a + 5d = 2.5
We can solve this system of equations by subtracting the first equation from the second:
(a + 5d) - (a + 4d) = 2.5 - 5
d = -2.5
Now, we can substitute this value of d into either equation to find the value of a:
a + 4d = 5
a + 4(-2.5) = 5
a - 10 = 5
a = 15
Therefore, the first term of the sequence is 15, and the common difference is -2.5. We can use this to find the value of the second term:
a + d = 15 + (-2.5) = 12.5
Therefore, the second term of the sequence is 12.5.
mark my answer as brainliest
Help me pls, i need the process too!
Answer:
D
Step-by-step explanation:
to find the percent discount we should do the follow things:
1) (40-32)/40=0.2=20%
2) (30-24)/30=0.2=20%
3) (50-40)/50=0.2=20%
4) (45-35)/45=0.2222
So the correct answer is D.
Elias calculated the discount in dollars, not in %. 3) 50$-40$=10$, 45$-35$=10$. But he made a mistake
A pool charges $4 each visit or you can buy a membership for $100. Write and solve an inequality to find how many times a person should use the pool so that a membership is less expensive than paying each time. Write an inequality and solve. PLEASE HELP ME!!
Answer:
Let's say the number of visits to the pool is represented by the variable 'x'.
If a person chooses to pay per visit, the cost will be 4x dollars.
If a person chooses to buy a membership, the cost will be a one-time payment of $100.
We want to find out when the cost of buying a membership becomes less expensive than paying per visit. In other words, we want to solve the inequality:
4x > 100
To solve for x, we need to isolate the variable. We can do this by dividing both sides by 4:
x > 25
So, if a person plans to visit the pool more than 25 times, it's more cost-effective to buy a membership instead of paying per visit.
if a random sample of size 555 is selected, what is the probability that the proportion of persons with a retirement account will differ from the population proportion by less than 5% ? round your answer to four decimal places.
The probability that the proportion of persons with a retirement account in a random sample of size 555 differs from the population proportion by less than 5% is approximately 0.8327.
We need to make some assumptions about the population proportion of persons with a retirement account and the standard deviation of the sampling distribution of sample proportions. Let's assume that the population proportion is p = 0.5 (i.e., half of the population has a retirement account) and that the standard deviation of the sampling distribution is given by:
σ = sqrt((p*(1-p))/n)
where n is the sample size.
Substituting the values given in the question, we have:
σ = sqrt((0.5*(1-0.5))/555) = 0.0258
To find the probability that the sample proportion differs from the population proportion by less than 5%, we need to find the probability that the absolute difference between the sample proportion and the population proportion is less than 0.05. This can be written as:
P(|p_hat - p| < 0.05)
where p_hat is the sample proportion.
We can standardize this expression by subtracting the population proportion from both sides and dividing by the standard deviation:
P(|p_hat - p|/σ < 0.05/σ)
P(-0.97 < Z < 0.97)
where Z is a standard normal variable. We can find this probability using a standard normal table or a calculator:
P(-0.97 < Z < 0.97) = 0.8327
Rounding to four decimal places, we have:
P(|p_hat - p| < 0.05) = 0.8327
Therefore, the probability that the proportion of persons with a retirement account in a random sample of size 555 differs from the population proportion by less than 5% is approximately 0.8327.
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i need help with homework
Answer:
(a) To find the mean value, we sum up all the values and divide by the number of values:
Mean = (17 + 22 + 25 + 27 + 32 + 40 + 45 + 51 + 59 + 62) / 10 = 36.0
So, the mean value is 36.0.
To find the median value, we first need to put the data set in order from smallest to largest:
17, 22, 25, 27, 32, 40, 45, 51, 59, 62
The median is the middle value of the data set, which is 36 in this case.
So, the median value is 36.0.
(b) To find the mean absolute deviation (MAD), we first need to find the deviation of each value from the mean:
|17 - 36.0| = 19.0
|22 - 36.0| = 14.0
|25 - 36.0| = 11.0
|27 - 36.0| = 9.0
|32 - 36.0| = 4.0
|40 - 36.0| = 4.0
|45 - 36.0| = 9.0
|51 - 36.0| = 15.0
|59 - 36.0| = 23.0
|62 - 36.0| = 26.0
Next, we find the mean of these deviations:
MAD = (19.0 + 14.0 + 11.0 + 9.0 + 4.0 + 4.0 + 9.0 + 15.0 + 23.0 + 26.0) / 10
MAD = 13.0
So, the mean absolute deviation for this data set is 13.0.
(c) To find the percentage of the data set that lies closer than the MAD to the mean, we count how many values are within one MAD of the mean. We have:
17, 22, 25, 27, 32, 40, 45, 51, 59, 62
The values within one MAD of the mean (36.0 +/- 13.0) are:
17, 22, 25, 27, 32, 40, 45, 51
So, 8 out of 10 values are within one MAD of the mean.
The percentage of the data set that lies closer than the MAD to the mean is:
8 / 10 * 100% = 80%
(a) To find the mean value, we sum up all the values and divide by the number of values:
Mean = (7 + 7 + 7 + 8 + 8 + 9 + 10 + 32) / 8 = 9.5
So, the mean value is 9.5.
To find the mean absolute deviation (MAD), we first need to find the deviation of each value from the mean:
|7 - 9.5| = 2.5
|7 - 9.5| = 2.5
|7 - 9.5| = 2.5
|8 - 9.5| = 1.5
|8 - 9.5| = 1.5
|9 - 9.5| = 0.5
|10 - 9.5| = 0.5
|32 - 9.5| = 22.
The radius of a circle is 3 meters. What is the circle's area?
Use 3.14 for л.
Submit
square meters
Answer:
28.26 meters squared
Step-by-step explanation:
Answer:
28.26 m²
Step-by-step explanation:
The equation for the area of a circle is πr²
We're given the radius at 3 meters.
Using 3.14 for π ; 3.14×3²=28.26 meters²
13. A group of students were asked if they play a sport or play an instrument. The results are shown
in the Venn diagram below. If one of these students is chosen at random, find each probability.
a) P(instrument)
b) P(does not play a sport)
(35)
(36)
d) P(sport but not an instrument)
(38)
Instrument
10
14
Sport
8 18
c) P(both instrument and a sport)
(37)
Answer:
a) 22/50
b) 24/50
c) 8/50
d) 18/50
Step-by-step explanation:
Total students= 18 + 8 + 14 + 10 = 50
students who play instruments = 14 + 8 = 22
--
students who play a sport = 18 + 8 = 26
students who dont play a sport = 50 - 26 = 24
--
c) students who play both instrument and sport = 8
--
d) students who play sports only = 18
Students who play instruments from Venn diagram is 22, students who play both instrument and sport is 8 and students who play sports only is 18.
What is Set?A set is a collection of well defined objects.
A group of students were asked if they play a sport or play an instrument
Total number of students= 18 + 8 + 14 + 10 = 50
students who play instruments from venn diagram
= 14 + 8
= 22
students who play a sport = 18 + 8
= 26
students who dont play a sport = 50 - 26 = 24
c) students who play both instrument and sport = 8
d) students who play sports only = 18
Hence, students who play instruments from venn diagram is 22, students who play both instrument and sport is 8 and students who play sports only is 18.
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Given a line with the equation: 4x + 4y = 4.
1) Write the equation of a line that is parallel to this line.
2) Write the equation of a line that is perpendicular to this line.
3) Write the equation of a line that is neither parallel nor perpendicular to this line.
An equation of a line that is parallel to this line is y = -x + 3.
An equation of a line that is perpendicular to this line is y = x + 3.
An equation of a line that is neither parallel nor perpendicular to this line is y = 3x + 3.
How to write the required equations?Based on the information provided about this line, an equation that models it is given by:
4x + 4y = 4.
4y = -4x + 4
y = -x + 1
In Geometry, two (2) lines are parallel under the following conditions:
m₁ = m₂ ⇒ -1 = -1
Slope (m) = -1
Therefore, the required equation is y = -x + 3
In Mathematics, a condition that must be met for two lines to be perpendicular is given by:
m₁ × m₂ = -1
-1 × m₂ = -1
m₂ = 1
Slope, m₂ = 1
Therefore, the required equation is y = x + 3
By using a line with a different slope other than 1 and -1 would produce a line that is neither parallel nor perpendicular to the given line.
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. cards are dealt from a standard shuffled deck of cards until the first ace is drawn. what is the chance that the next card is a king?
Cards are dealt from a standard shuffled deck of cards until the first ace is drawn. So the chance that the next card is a king is 0.05 percent.
When drawing a card from a standard deck of 52 cards, the chance of drawing an ace is 4/52 or 1/13. After an ace has been drawn, there are 51 cards left in the deck, and 4 of them are kings.
So, the probability of drawing an ace and then a king is
(1/13) × (4/51) = 4/663.
There are 4 different aces that could be drawn, each with the same probability of
(1/13) × (4/51) = 4/663,
So we multiply by 4 to account for all the possible aces that could be drawn.
Therefore, the total probability of drawing an ace and then a king is
(4/663) × 4 = 16/663.
Once an ace has been drawn, there are 51 cards remaining in the deck, and only one of them is a king. Therefore, the probability of drawing a king after an ace has been drawn is 1/51.
The probability that the next card is a king after the first ace is drawn is thus:
(16/663) × (1/51) = 16/33663
= 1/2104.
This simplifies to 0.0475 percent or approximately 0.05 percent.
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Find the missing dimension of the triangle
Area= 14 ft squared
Height=6 ft
the missing dimension of the triangle is the base, which has a length of 21 feet. To find the missing dimension of the triangle, we will use the formula for the area of a triangle, which is:
Area = 1/2 x base x height
We know that the area of the triangle is 14 ft squared and the height is 6 ft. We can substitute these values into the formula and solve for the base:
14 = 1/2 x base x 6
Multiplying both sides by 2/6 (or simplifying to 1/3) gives:
14 x 3/2 = base
21 = base
Therefore, the missing dimension of the triangle is the base, which has a length of 21 feet.
This means that the triangle has a height of 6 feet and a base of 21 feet, and its area is 14 square feet. The height of a triangle is the perpendicular distance from the base to the opposite vertex, and in this case, it is given as 6 feet. The base of a triangle is the side opposite the height, and we have found that it has a length of 21 feet.
In summary, we can find the missing dimension of a triangle by using the formula for the area of a triangle and the given dimensions. In this case, we found that the missing dimension is the base, which has a length of 21 feet, and we know that the height is 6 feet.
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Christine's regular bedroom has a perimeter of 44 feet. The length of her bedroom is 2 more than the width. What are the dimensions of her room?
Answer:
12 feet by 10 feet
Step-by-step explanation:
Let length = x + 2 and breadth = x
[tex]2(x+2+x)=44[/tex]
[tex]2(2x+2)=44[/tex]
[tex]2x+2= 44\div2[/tex]
[tex]2x=22-2[/tex]
[tex]2x=20[/tex]
[tex]x=20\div2= 10 \ \text{feet}[/tex]
Thus, breadth = 10 feet
length = 10 + 2 = 12 feet
if they are linearly dependent, find scalars that are not all zero such that the equation below is true. If they are linearly independent, find the only scalars that will make the equation below true.(1 point) Are the vectors [-5 4 5] [2 -1 5] [-17 16 45] linearly independent?
The vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly dependent with scalars (1, 3, 1) as an example of a non-zero solution.
To determine if the vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly independent, we need to find the scalars a, b, and c that satisfy the equation:
a * [-5 4 5] + b * [2 -1 5] + c * [-17 16 45] = [0 0 0]
If the only solution is a = b = c = 0, the vectors are linearly independent. If there are other solutions where a, b, and c are not all zero, the vectors are linearly dependent.
Let's form a matrix with these vectors as columns:
|-5 2 -17|
| 4 -1 16|
| 5 5 45|
Now, we can row reduce this matrix to its reduced row echelon form (RREF):
| 1 -2 5|
| 0 1 -3|
| 0 0 0|
From the RREF, we can write the system of linear equations:
x - 2y + 5z = 0
y - 3z = 0
Solving this system, we get:
y = 3z
x = 2y - 5z = 6z - 5z = z
Since z can be any scalar, we have infinitely many solutions where not all of a, b, and c are zero. For example, when z = 1, we get x = 1 and y = 3. So, the scalars (1, 3, 1) make the equation true.
Thus, the vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly dependent with scalars (1, 3, 1) as an example of a non-zero solution.
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Table of value Y=-2x+1
Answer: -2
Step-by-step explanation:
Answer: See below
Step-by-step explanation:
x=-3 y=7
x=-2 y=5
x=-1 y=3
x=0 y=1
x=1 y=-1
x=2 y=-3
x=3 y=-5
You can see the pattern of decreasing by 2 each time so use that if you need any more values
Which of the filling best describes the expression 6(y+3)
Answer: 6y+18
Step-by-step explanation:
6 x y=6y
6 x 3= 18
Answer:
The product of a constant factor of six and a factor with the sum of two terms.
Step-by-step explanation:
Since we have given that
6(y+3)
It has sum of two terms i.e. y and 3.
Mathematically, it is expressed as
y+3
And the product of constant factor of six and a factor with the sum of two terms.
Mathematically, it is expressed as
6(y+3)
Hence, The product of a constant factor of six and a factor with the sum of two terms.
Given ⊙K with secants NS¯¯¯¯¯¯¯¯ and NR¯¯¯¯¯¯¯¯ , which expression represents PS. A circle with center point K. Two chords PS and QR intersects at point N outside the circle. A. (NQ)(NQ+QR)NP−NP B. (QR)(NQ+QR)NP−NP C. NP+NQ+QRNR−NR D. (NP)(NQ+QR)NR−NR
After answering the prοvided questiοn, we can cοnclude that PS = circle (QR(NQ - NR))/NR, which is nοt οne οf the given οptiοns.
What is circle?A circle seems tο be a twο-dimensiοnal cοmpοnent defined as such cοllectiοn οf the all pοints in a jet that becοme equidistant frοm the hub. A circle is cοmmοnly pοrtrayed with the capital "O" fοr centre and the lοwer sectiοn "r" fοr the radius, which is the distance frοm the οrigin tο any pοint οn the circle.
Girth (the distance frοm arοund circle) is given by the fοrmula 2r, where (pi) is a prοpοrtiοnality cοnstant rοughly equal tο 3.14159. The fοrmula r² calculates the circle's circumference, which refers tο the amοunt οf rοοm inside οf the circle.
Nοne οf the given οptiοns represent PS directly. Hοwever, we can use the intersecting secant theοrem tο find PS.
(NQ)(NQ+QR) = (NR)(NR+PR)
We can sοlve fοr PR tο get:
PR = (NR)(NR+PR)/(NQ+QR)
PR(NQ+QR) = (NR)(NR+PR)
PRNQ + PRQR = NR² + PRNR
PRNQ = NR² + PRNR - PRQR
PRNQ = NR(NR + PR - QR)
PR = NR(NR + PR - QR)/NQ
PR(NQ) = NR(NR + PR - QR)
PRNQ = NR(NR + PR - QR)
PRNQ - NR(PR - NR - QR) = 0
PR(NQ - NR) = NR(NR + QR)
PR = (NR(NR + QR))/(NQ - NR)
PS(PR + NR) = QR(NR + QR)
PS = (QR(NR + QR))/(PR + NR)
PS = (QR(NR + QR))/((NR(NR + QR))/(NQ - NR) + NR)
PS = (QR(NQ - NR))/NR
Therefοre, the cοrrect expressiοn representing PS is:
PS = (QR(NQ - NR))/NR, which is nοt οne οf the given οptiοns.
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Find all cube roots of the complex number 64(cos (219°) + i sin (219°)). Leave answers in polar form
and show all work
[tex]\sqrt[n]{z}=\sqrt[n]{r}\left[ \cos\left( \cfrac{\theta+2\pi k}{n} \right) +i\sin\left( \cfrac{\theta+2\pi k}{n} \right)\right]\quad \begin{array}{llll} k\ roots\\ 0,1,2,3,... \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \boxed{k=0}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 0 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 0 )}{3} \right)\right][/tex]
[tex]\sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o }{3} \right) +i \sin\left( \cfrac{ 219^o }{3} \right)\right]\implies \boxed{4[\cos(73^o)+i\sin(73^o)]} \\\\[-0.35em] ~\dotfill\\\\ \boxed{k=1}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 1 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 1 )}{3} \right)\right][/tex]
[tex]\sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 579^o }{3} \right) +i \sin\left( \cfrac{ 579^o }{3} \right)\right]\implies \boxed{4[\cos(193^o)+i\sin(193^o)]} \\\\[-0.35em] ~\dotfill\\\\ \boxed{k=2}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 2 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 2 )}{3} \right)\right] \\\\\\ \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 939^o }{3} \right) +i \sin\left( \cfrac{ 939^o }{3} \right)\right]\implies \boxed{4[\cos(313^o)+i\sin(313^o)]}[/tex]
DUE TODAY HELP!!!!!!
5. Write the (x, y) coordinates for P in terms of cosine and sin.
6. Using the image above, if cos(Θ) = 0.6, what are the coordinates of P? Explain your reasoning.
the coordinates of P on the given diagram is (0.6, -0.8).
The Pythagoras Theorem: What is it?the Pythagoras theorem is defined as, the square of the hypotenuse of a right-angled triangle equals the sum of the squares of the other two sides.
The formula for the Pythagoras theorem is written as c² = a² + b², where c is the hypotenuse of the right triangle and a and b are its other two legs. As a result, the Pythagoras equation may be used to any triangle that has one angle that is exactly 90 degrees to create a Pythagoras triangle.
Using the Pythagoras trigonometric identity to determine sine based on cos(Θ) = 0.6
Sin²Θ+Cos²Θ=1
SIn²Θ=1-Cos²(0.6)
Sin²Θ=1-.36
SinΘ=-0.8
Since , CosΘ=0.6 and SinΘ=-0.8 the location of point P is (0.6, -0.8)
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The government published the following stem-and-leaf plot showing the number of sloths at each major zoo in the country: pls answer fast if you can :)
For a government published the above stem-and-leaf plot related to number of sloths at each major zoo in the country. The smallest of sloths at any one zoo was three.
A stem-and-leaf plot is a tool for presenting quantitative data in a graphical format, like as histogram for visualizing the shape of a distribution.
It is a special table where each data value is broken into a stem and a leaf. A "stem" is the first digit or digits and a "leaf" usually the last digit. For example, a value of 16, 1 is the stem that present in left of the vertical line and 6 is the leaf that present on right. On a stem and leaf plot, the minimum is the first value and the maximum is the last value.We have a stem-and-leaf plot present above and which showing the number of sloths at each major zoo in the country is published by government. Now, see the above plot carefully, thee smallest number in the stem-and-leaf plot is 03. We can get that by looking at the first stem value and the first leaf value. Hence, required number is 3.
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Complete question:
The government published the above stem-and-leaf plot showing the number of sloths at each major zoo in the country:pls answer fast if you can :
what was the smallest number of sloths at any one zoo?
Phillip left his house and bicycled down a trail at a rate of 12 kilometers per hour. He planned to ride his bicycle to the end of the trail, which is 28 kilometers long, and then return to his house. Christine started from Phillip’s house 20 minutes later and caught up to Phillip just as he reached the end of the trail. How fast was Christine traveling?
Answer: 14.0kph
Step-by-step explanation:
The volume of the cone shown is 240 cubic meters. The height of the cone is 5 meters. Find the length of the slant height, x.
Answer:
9.4 meters
Step-by-step explanation:
We can use the formula for the volume of a cone:
V = (1/3) * pi * r^2 *h
where V is the volume, r is the radius of the base, and h is the height.
We know the volume and height of the cone, so we can solve for the radius:
240 = (1/3) * pi * r^2 * 5
r^2 = 240 / (pi * 5/3)
r^2 = 45.68
r = sqrt(45.68)
r = 6.76 meters (rounded to two decimal places)
Now we can use the Pythagorean theorem to find the slant height:
x^2 = r^2 + h^2
x^2 = 6.76^2 + 5^2
x^2 = 88.5276
x = sqrt(88.5276)
x = 9.4 meters
What measurement is closest to the area of the largest circle in square centimeters? 6cm 12 cm
Answer:
The area of a circle is given by the formula A = πr², where r is the radius of the circle.
If we have two circles with radii of 6 cm and 12 cm, respectively, their areas are:
A1 = π(6 cm)² ≈ 113.1 cm²
A2 = π(12 cm)² ≈ 452.4 cm²
Therefore, the area of the largest circle is closest to 452.4 square centimeters, which corresponds to the circle with radius 12 cm.
A square based pyramid has a base area of 25 square feet. If the
slant height forms a 50° angle with the base of the pyramid, find
the volume of the square pyramid to the nearest tenth of a cubic
foot.
Answer:
Step-by-step explanation:
square pyramid. Calculate the unknown defining height, slant height, surface area, side length and volume of a square pyrami
what is the volume of the large pyramid? (rounded to the nearest cubic meter) group of answer choices 20,833 41,666 10,417 16,817 375
The volume of the pyramid is 600 cubic centimeters (cm³).
The formula for the volume of a pyramid is given by
V = (1/3) × base area × height
Since the base of the pyramid is a square with sides of 10 cm, the base area can be calculated as
base area = side length × side length = 10 cm × 10 cm = 100 cm²
Substituting the given values into the formula for the volume of a pyramid, we get
V = (1/3) × base area × height
Substitute the values in the equation
= (1/3) × 100 cm² × 18 cm
Multiply the numbers
= 600 cm³
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I have solved the question in general as the given question is incomplete.
The complete question is:
What is the volume of a pyramid whose base is square? The sides of the base are 10 cm each and the height of the pyramid is 18 cm.
is the difference in years at the company between employees with a high school degree and those with an mba significant at the 95% confidence level? remember, differences are significant at the 95% confidence level when the p-value is less than .05.
To determine if the difference in years at the company between employees with a high school degree and those with an MBA is significant at the 95% confidence level, we can perform a hypothesis test for p-value.
We can run a hypothesis test to see if the difference in years spent at the organization between workers with a high school diploma and those with an MBA is significant at the 95% confidence level.
We must first specify our alternative hypothesis and null hypothesis. Our null hypothesis is that there is no discernible difference in the number of years that personnel with a high school diploma and those with an MBA have worked for the organization. Our alternate theory is that the two groups have significantly different average years of employment.
The probability of witnessing the data if the null hypothesis is correct can then be determined using a t-test. The null hypothesis can be rejected if the p-value is less than 0.05, and the difference in years spent at the company between workers with a high school diploma and those with an MBA is determined to be significant at the 95% level of confidence.
We can use a two-sample t-test to compare the means of the two groups if the data is normally distributed and the variances are identical.
If the t-test yields a p-value of less than 0.05, we can reject the null hypothesis and draw the conclusion that there is a significant difference in the number of years that employees with a high school diploma and those with an MBA have worked for the organisation. In contrast, if the p-value is higher than 0.05, we are unable to rule out the null hypothesis since there is insufficient data to support the existence of a significant difference.
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Which table represents the function y =1/3 x + 4?
Input x 0 -3 -6
Output y 4 3 2
Input x 6 9 12
Output y 6 9 12
Input x 0 3 6
Output y 4 6 8
Input x 3 6 9
Output y 5 7 9
The table that represents the function y =1/3 x + 4 is the second table. This can be seen by comparing the input and output values of the given tables.
What is function?A function defines the relationship between two variables, wherein one variable depends on the other. In other words, a function is a rule or mapping from one set of values, known as the domain, to another set of values, known as the range.
The table that represents the function y =1/3 x + 4 is the second table. This can be seen by comparing the input and output values of the given tables.
The second table's input values are (6, 9, 12) and the output values are (6, 9, 12). This is equal to the equation y = 1/3 x + 4, where 1/3 x + 4 = x.
The other tables do not represent the function y = 1/3 x + 4. For example, the first table has input values of (0, -3, -6) and output values of (4, 3, 2), which do not match the equation y = 1/3 x + 4.
The third table has input values of (0, 3, 6) and output values of (4, 6, 8), which also do not match the equation y = 1/3 x + 4.
Finally, the fourth table has input values of (3, 6, 9) and output values of (5, 7, 9). This does not match the equation y = 1/3 x + 4 either.
Therefore, the table that represents the function y =1/3 x + 4 is the second table.
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a polygraph (lie detector) is said to be 90% reliable in the following sense: there is a 90% chance that a person who is telling the truth will pass the polygraph test; and there is a 90% chance that a person telling a lie will fail the polygraph test. (a) suppose a population consists of 5% liars. a random person takes a polygraph test, which concludes that they are lying. what is the probability that they are actually lying?
The probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is 0.05.
The probability that a random person taking a polygraph test is actually lying can be calculated using Bayes' Theorem. In this case, the population consists of 5% liars, so the probability of a randomly chosen person being a liar is 0.05. The reliability of the polygraph test is said to be 90%, meaning that the probability of a person telling the truth passing the test is 0.90, and the probability of a person telling a lie failing the test is also 0.90. Therefore, using Bayes' Theorem, the probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is:
P(Lying | Polygraph) = P(Polygraph | Lying) * P(Lying) / P(Polygraph)
= (0.90 * 0.05) / 0.90
= 0.05
Therefore, the probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is 0.05.
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Como expresar
[tex]\frac{20*19*18}{4*3*2*1}[/tex]
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Based on the information, we can infer that the whole number equivalent to this fraction is 285.
How to isolate the fraction to get a whole number?To clear the fraction and obtain an integer we must perform all the mathematical operations that are in the fraction, in this case it is a division and seven multiplications. Here we show you the result:
20*19*18/4*3*2*16,840 / 4*3*2*16,840 / 24285As evidenced in the procedure, the multiplications were cleared and later the fraction was divided. In this case the result would be the integer 285.
Note: This question is incomplete. Here is the complete information:
How to express this fraction in whole numbers?
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out of 230 racers who started the marathon, 211 completed the race, 12 gave up, and 7 were disqualified. what percentage did not complete the marathon? round your answer to the nearest tenth of a percent.
the percentage of racers who did not complete the marathon is 8.3% when rounded to the nearest tenth of a percent.
To find the percentage of racers who did not complete the marathon, we need to divide the number of racers who did not complete by the total number of racers and then multiply by 100 to get a percentage.
Number of racers who did not complete = 12 + 7 = 19
Total number of racers = 230
Percentage of racers who did not complete = (19/230) x 100% = 8.3%
Therefore, the percentage of racers who did not complete the marathon is 8.3% when rounded to the nearest tenth of a percent.
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