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Sergio [31]
3 years ago
10

How to find R of a cone?

Mathematics
2 answers:
tresset_1 [31]3 years ago
6 0
If you are given the volume then
V=(1/3)hpir^2
h=height
r=radius
V=volume
solve for r

times 3 both sides
3V=hpir^2
dvivide both sides by hpi
\frac{3V}{h \pi}=r^2
sqrt both sides
\sqrt{\frac{3V}{h \pi}} =r
bonufazy [111]3 years ago
4 0
Multiply the volume by 3.
Multiply the height by π, which is a numeric constant that begins 3.14 and never terminates.
<span>Divide the tripled volume by the product of the height and π.
</span><span>Find the square root of the result from the 3rd step
</span>
hope this helped:)
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Wilbur spends 2/3 of his income, share 1/12, and saves the rest. What part of his income does he save? Give the answer in simple
scoundrel [369]

Answer:

<em><u>1/4 of his income.</u></em>

Step-by-step explanation:

If Wilbur spends 2/3 of his income, 1/3 or 4/12 of it is left for other purposes (It is easier if everything has a common denominator of 12). And if he shares 1/12 of that remaining amount, there is 3/12 left. And when we simplify 3/12, we get <u>1/4</u>.

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The football team has a total of 25 jerseys, but only 2 are medium-sized. What percent of the jerseys are medium-sized jerseys ?
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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the values of x for which the combined function h(x) = is undefined if f(x) = 5x + 1 and g(x) = x2 - 9.
Rama09 [41]
We need to know the definition of the "combined function" h(x).  I'm going to guess--by looking at answers--that the function is h(x)=\frac{f(x)}{g(x)} making it

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This function is undefined wherever the denominator is equal to 0 (division by zero is undefined).  Factor the denominator.

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5 0
3 years ago
Jack's average in math for the first nine week was an 88. His second nine weeks average decreased 12.5 . What was his average fo
pashok25 [27]
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5 0
3 years ago
If 9 were subtracted from three times a number, the result would be the same as if 4 were added to twice the number. what is the
amid [387]
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Check:
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39-9=26+4
30=30
4 0
3 years ago
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