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madreJ [45]
2 years ago
10

The volume of a cone with a height of 6 cm is 8 PI cubic centimeters. Which expression can be used to find r, the radius of the

Mathematics
1 answer:
timama [110]2 years ago
6 0

Answer:

The correct option is D.

8π = 1/3 * π * (r)² * 6

Step-by-step explanation:

First of all to solve this problem we have to know the formula to calculate the volume of a cone

v = volume  = 8π

r = radius

h = height  = 6cm

π = pi

v = 1/3 * π * r² * h

we replace with the known values

8π = 1/3 * π * (r)² * 6

If we look at the options, the correct option is D.

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2 years ago
Consider the function represented by 9x + 3y= 12 with x as the independent variable. How can this function be written
Elena-2011 [213]

Answer: f(x) = -3x + 4

Step-by-step explanation:

The function is represented by

9x + 3y= 12

This is a linear equation with x as the independent variable. This means that if x is the independent variable, the y is the dependent variable. The values of y depends on the values of x. In order to represent the function, 9x + 3y= 12, we would rearrange the function such that y stands alone on the left hand side of the equation. This becomes

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Dividing the lefthand side and right hand side of the equation by 3, it becomes

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using function notation,

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8 0
2 years ago
1/6,1/9,2/27,4/81 geometric sequence next value?
Blababa [14]
If you would like to know the next value, you can calculate this using the following steps:

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So, if we would like to know what is the next value of this geometric sequence, you have to multiply 4/81 by 2/3:
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3 0
2 years ago
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Answer:

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D.
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