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salantis [7]
2 years ago
10

A cone has a volume of 1808.64 cubic inches and a height of 12 inches. What is its radius?

Mathematics
2 answers:
viva [34]2 years ago
5 0

Answer:

answer is 12. they may want it in format of 12.00

Zigmanuir [339]2 years ago
4 0

Answer:

r ≈ 12 inches

Step-by-step explanation:

Volume of Cone= V=πr^2h/3

or, 1808.64 =πr^2* 12/3

or, 1808.64 =πr^2* 4

or,1808.64/4π=r^2

or,√143.93 ≈ r

r ≈ 12 inches

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the graph linear function f passes through the point (1,-9) and a slope.of -3. what is the zero of f?
gizmo_the_mogwai [7]

Answer:

m = 5  ,  ( 1 , 1 ) − 3  ,  ( 1 , 3 ) 3  ,  (2 ,9 )

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP!!!!! Chloe stops for lunch in a town that has no meal tax. She has $20 and tips 15%. Select all the prices of meals
Vilka [71]

Answer:

$16.25 $15.95 $15.75

Step-by-step explanation:

because a 15% tip is $3.00

8 0
3 years ago
The cost of 3 notebooks and 4 pencils is $8.50. Determine the cost of one notebook and one pencil
Assoli18 [71]
Call the notebooks x, and the pencils y. 
<span>3x + 4y = $8.50 and 5x + 8y = $14.50 </span>
<span>Then just solve as simultaneous equations: </span>
<span>3x + 4y = $8.50 </span>
<span>5x + 8y = $14.50 </span>

<span>5(3x + 4y = 8.5) </span>
<span>3(5x + 8y = 14.5) </span>

<span>15x + 20y = 42.5 </span>
<span>15x + 24y = 43.5 </span>

<span>Think: DASS (Different Add, Similar Subtract). 15x appears in both equations so subtract one equation from the other. Eassier to subtract (15x + 20y = 42.5) from (15x + 24y = 43.5) </span>

<span>(15x + 24y = 43.5) - (15x + 20y = 42.5) = (4y = 1) which means y = 0.25. </span>

<span>Then substitue into equation : </span>
<span>15x + 20y = 42.5 </span>
<span>15x + 5 + 42.5 </span>
<span>15x = 42.5 - 5 = 37.5 </span>
<span>15x = 37.5 </span>
<span>x = 2.5 </span>

<span>15x + 24y = 43.5 </span>
<span>15(2.5) + 24(0.25) </span>
<span>37.5 + 6 = 43.5 </span>

<span>So x (notebooks) are 2.5 ($2.50) each and y (pencils) are 0.25 ($0.25) each.</span>
6 0
3 years ago
4.26 as a decimal in simplest form
Bess [88]
You can not put a decimal to a decimal.So you meant to put a decimal to a fraction and the answer would be: 4.26 as decimal fraction = 426/100
6 0
3 years ago
Please help be fast I’m on a test
Leto [7]
Hundreds because the answer is 251 so the 2 is in the hundreds
8 0
3 years ago
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