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3 years ago

10

Does anyone know how to solve this problem: one of the values on the Hoover Dam releases 40,000 gallons of water per second. Wha

t is the rate in gallons per minute?

1 answer:

Fantom [35]3 years ago

8 0

2,400,000 gallons per minute

step:1. 40,000×60=2,400,000

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The radius of a well is 1.4m and its depth 35 m is half-filled with water. find the volume of water inside the drum.

Rzqust [24]

Answer:

≈ 108 m³

Step-by-step explanation:

You're searching for the volume of a cylinder. The formula needed to find it is V=πr²h.

In this case, the radius r is 1.4m and the height h is 35/2=17.5m, as it is only half filled.

Now when inserting values, you get: V=π*1.4²*17.5 which is 107.757 m³

8 0

2 years ago

Read 2 more answers

Divide 1 hour in the ratio 1 : 9 : 10

olganol [36]

Answer:

3 minutes; 27 minutes; 30 minutes

Step-by-step explanation:

Let the common multiplier of the given ratios be x. So, the ratios 1: 9 : 10 will become x, 9x and 10x respectively.

Therefore,

$x + 9x + 10x = 1 \: hour \\ \\ 20x = 60 \: minutes \\ \\ x = \frac{60 \: minutes}{3} \\ \\ x = 3 \: minutes \\ \\ 9x = 9 \times 3 = 27 \: minutes \\ \\ 10x = 10 \times 3 = 30 \: minutes$

Thus, 1 hour in the ratio 1 : 9 : 10 can be divided as:

3 minutes; 27 minutes; 30 minutes

5 0

2 years ago

How do I find the value of X for the equation (3x+1)+(4x-5)=8x-9

castortr0y [4]

(3x+1)+(4x-5)=8x-9

7x-1=8x-9

7x=8x-8

-x=-8

X=8

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3 years ago

Find the perimeter. Simplify your answer.

andrew-mc [135]

Answer:

3a+ 16

Hope this helps!

7 0

2 years ago

Solve for the unknown.

natka813 [3]

Divide 4/2 so you get 2= n over 4 then multiply 2 by 4 and then multiply n over 4 by 4 you’ll get 4*2=n, multiply 4 and 2.

n=8

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3 years ago