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QveST [7]
2 years ago
10

A sphere with a radius of 15 cm has the same volume as a cylinder with a radius of 5 cm. What is the height of the cylinder?

Mathematics
1 answer:
quester [9]2 years ago
7 0
So the formula for solving the volume of a sphere is V=Pi(radius cubed) divided by 0.75. Plus your numbers in and you get V=3.14 times 15 cubed divided by 0.75. The answer is 14130. We know the volumes of both shapes are the same and that the volume of a cylinder is Pi times radius squared time hight. The equation with the numbers plugged in is 14130=3.14 times 5 squared times hight. Multiply 3.14 and 5 squared is 78.5. Now we have 14130=78.5 times hight. Isolate hight by dividing 14130 by 78.5 and the hight is 180 cm.
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Given the function g(x)=3x-7, determine when g(x)=-4
sp2606 [1]

You have the following function:

g(x) = 3x - 7

In order to determine th value of x when g(x) = -4, you equal the previous expression to -4 and solve for x, just as follow:

g(x) = 3x - 7 replace g(x) = -4

-4 = 3x - 7 add 7 both sides

-4 + 7 = 3x simplify

3 = 3x divide by 3 both sides

3/3 = x

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Answer:

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Step-by-step explanation:

The slope-intercept form of an equation of a line:

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The equation of a line:

y=-1x+2\to y=-x+2

The general form of an equation of a line:

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Convert:

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x+y=2         <em>subtract 2 from both sides</em>

x+y-2=0

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