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3 years ago

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

Mathematics

1 answer:

Tomtit [17]3 years ago

3 0

Answer: the radius is 11.997

Step-by-step explanation:

use the formula v= 1/3 *g*h

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In a random sample of students at a middle school 24 wanted to change the mascot and 30 wanted to keep the current mascot which

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30/54 =x/1,140
30*1140= 34200
34200/54 = 633.33
ANSWER:
Estimated- 633

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3 years ago

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Answer:

33% is the correct answer I took the test!

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2 years ago

En un hospital 1800 varones mayores de 40 años son examinados por medio del tacto rectal como prueba de tamizaje para detectar c

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3 years ago

You have $7000 with which to build a rectangular enclosure with fencing. The fencing material costs $30 per meter. You also want

Arlecino [84]

Answer:

1857.12 square meters

Step-by-step explanation:

Let L be the length of the rectangle and 'W' be the width

Perimeter = $2L + 2W + 2W$

The fencing material costs $30 per meter.

The material for the partitions costs $25 per meter

$cost=30(2L + 2W) +25( 2W)\\60L+60W+50W\\60L +110W$

$7000=60L+110W$

Solve for L

$7000=60L+110W\\7000-110W= 60L\\L=\frac{700}{6} -\frac{11}{6} W$

Area = length times width

$( \frac{700}{6} -\frac{11}{6} W)(W)\\A(W)=\frac{700}{6}W -\frac{11}{6} W^2$

Now take derivative and set it =0

$A(W)=\frac{700}{6}W -\frac{11}{6} W^2\\A'(W)=\frac{700}{6} -\frac{22}{6} W$

set the derivative =0 and solve for W

$0=\frac{700}{6} -\frac{22}{6} W\\\frac{700}{6}=\frac{22}{6} W\\W= 31.8$

So width = 31.8 that gives maximum area

$L=\frac{700}{6} -\frac{11}{6} (31.8)=58.4$

$Area = length \cdot width = 31.8 \cdot 58.4= 1857.12$ square meter

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3 years ago

Number 2 and please explain

exis [7]

Part of it is cut out

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3 years ago