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Rudiy27
3 years ago
5

Given V = 1/3pi(r^2)h, solve for r.

Mathematics
1 answer:
Dmitry [639]3 years ago
8 0

Volume = (PI * r^2 * h) / 3

r^2 = (3 * Volume) / (PI * h)

r = Square Root (3 * Volume) / (PI * h)


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Susan purchased n notebooks. They were 4 dollars each. Write an equation to represent the total cost c that Susan paid
Monica [59]
N4=c

n times 4, n being a number of notebooks, would equal c, or the overall cost.
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3 years ago
Olga runs a business out of her home making quilts. Each month she has fixed costs of $350. In addition, for each quilt she make
gulaghasi [49]
She only has made one full quilt and half of another. So 1.5
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The Watson family and the Thompson family each used their sprinklers last summer. The Watson family's sprinkler was used for hou
o-na [289]

This question s incomplete, the complete question is;

The Watson family and the Thompson family each used their sprinklers last summer. The Watson family's sprinkler was used for 15 hours. The Thompson family's sprinkler was used for 30 hours.

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Answer:

The Watson family sprinkler is 40 L/hr while Thompson family sprinkler is 15 L/hr

Step-by-step explanation:

Given the data in the question;

let water p rate for Watson family and the Thompson family sprinklers be represented by x and y respectively

so

x + y = 55  ----------------equ1

x = 55 - y ------------------qu2

also

15x + 30y = 1050

x + 2y = 70 --------------equ3

input equ2 into equ3

(55 - y) + 2y = 70

- y + 2y = 70 - 55

y = 15

input value of y into equ1

x + 15 = 55

x = 55 - 15

x = 40

Therefore, The Watson family sprinkler is 40 L/hr while Thompson family sprinkler is 15 L/hr

8 0
3 years ago
A total of 152,909 people visited a national park during one weekend.What is this number rounded to the nearest hundred thousand
strojnjashka [21]

Answer:

153,000 is your answer.

Step-by-step explanation:


3 0
3 years ago
What is the sine of A as a fraction?
NARA [144]

Answer:

15/17

Step-by-step explanation:

Sine is \frac{opposite}{hypotenuse}, and we see that the angle opposite of A is 15 while the hypotenuse is 17. Plug that into your formula and you get \frac{15}{17}.

7 0
3 years ago
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