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anyanavicka [17]
3 years ago
9

This is the formula for the volume of a right square pyramid, where a is the side length of the base and h is the height: . Whic

h equation correctly rewrites the formula to solve for h?
Mathematics
1 answer:
Lesechka [4]3 years ago
7 0

Answer:

C. h=3V/a^2 is the correct answer

Step-by-step explanation:

Given:

V=1/3a^2h

It can be rewritten as

V=1/3 *( a^2) * h

Divide both sides by (1/3)*h

V / (1/3*h) = (1/3)* (a^2) * h / (1/3)*h

V÷1/3*h = a^2

V÷3/1*h=a^2

3V/h=a^2

Multiply both sides by h

3V/h*h=h*a^2

3V=h*a^2

h=3V/a^2

C. h=3V/a^2 is the correct answer

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What is the greatest common factor of x^5, x^6, x^8?
lozanna [386]

Answer: I think the answer is x5

Step-by-step explanation:

6 0
3 years ago
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Philip and Kevin are hoping to earn enough money to buy concert tickets for a show that costs $225 her concert tickets. Philip a
liubo4ka [24]

Answer:

Kevin will earn the money before than Philip

Philip needs at least 4 weeks

Kevin needs at least 3 weeks

Step-by-step explanation:

Let's call x to the number of weeks

Philip works 6 hours each weekend, which means 6 hours per week, earning $8.75 per hour, which is equivalent to 6*8.75 = $52.5 per week

Philip has already saved $45. Then he needs the next number of weeks:

52.5*x + 45 = 225

x = (225 - 45)/52.5

x = 3.4

Philip needs at least 4 weeks

Kevin works 3 hours per day for 3 days a week, which means 9 hours per week, earning $7.5 per hour, which is equivalent to 9*7.5 = $67.5 per week

Kevin has already saved $30. Then he needs the next number of weeks:

67.5*x + 30 = 225

x = (225 - 30)/67.5

x = 2.9

Kevin needs at least 3 weeks

8 0
3 years ago
Expand and simplify <br><br> A. (x – 2y)(y – 3x)<br><br> B. (2p+3)(p^2-4p-7)
emmasim [6.3K]

Answer:

A. (x−2y)(y−3x)

=(x+−2y)(y+−3x)

=(x)(y)+(x)(−3x)+(−2y)(y)+(−2y)(−3x)

=xy−3x2−2y2+6xy

=−3x2+7xy−2y2

B. (2p+3)(p2−4p−7)

=(2p+3)(p2+−4p+−7)

=(2p)(p2)+(2p)(−4p)+(2p)(−7)+(3)(p2)+(3)(−4p)+(3)(−7)

=2p3−8p2−14p+3p2−12p−21

=2p3−5p2−26p−21

Hope it helps

Please mark me as the brainliest

Thank you

5 0
2 years ago
Write an equation in slope intercept form for the line through the two points
Musya8 [376]
m= \frac{y2-y1}{x2-x1}  \\  \\ m= \frac{-2-2}{2-(-2)}  \\  \\ m= \frac{-4}{4}  \\  \\ m=-1


y=mx+b \\  \\ y=-1x+b


(2)=(-1)(-2)+b \\  \\ 2=2+b \\  \\ 0=b


y=-1x+0 \\  \\ y=-x
5 0
3 years ago
In 2006, 5,200 highway accidents were recorded in a city. The number of highway accidents increases by 5% every year. Let y repr
borishaifa [10]

Answer:

C. The situation represents a geometric sequence because the successive y-values have a common ratio of 1.05.

Step-by-step explanation:

The initial number of accidents = 5200 = Po

It increases 5% every year.

So r = 5% = 0.05

y = Po(1 + r)^x

y = 5200(1 + 0.05)^x

y = 5200(1.05)^x

This sequence is an exponential. Which is a geometric sequence.

Answer: C. The situation represents a geometric sequence because the successive y-values have a common ratio of 1.05.

Thank you.

5 0
3 years ago
Read 2 more answers
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