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Alekssandra [29.7K]

3 years ago

8

Water rushes over Niagara falls at the rate of 180 million cubic feet every 30 minutes. How much water goes over the falls in 1

minute?

1 answer:

Nadusha1986 [10]3 years ago

5 0

Answer:

180'000'000/30 = 6'000'000 ft³

Step-by-step explanation:

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Someone please help.

umka21 [38]

Let's go:

$\frac{y}{3} = \frac{27}{y} \\\\ y^2 = 27.3 \\\ y^2 = 81 \\\ y = \sqrt{81} \\\ y = 9$

I hope I helped you.

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3 years ago

After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number in the class be

Vadim26 [7]

Answer:

n+4=32

Step-by-step explanation:

The initial number n gets additional 4 students making the new total number of students to be 32. Therefore, this situation can be represented as

n+4=32

To get the actual number of students before the additio, we make n the subject of formula hence

n=32-4

n=28

Therefore, the initial number was 28 and the equation is n+4=32

Since no choices were provided, the equation that can be modified is n+4=32

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Ipatiy [6.2K]

Answer:

-3+1/5

Step-by-step explanation:

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2 years ago

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jonny [76]

Answer:

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Step-by-step explanation:

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3 years ago

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The answer to this problem

agasfer [191]

Answer:

$-4(11m^{2} + 3n^{5})$

Step-by-step explanation:

$-44m^{2} +12n^{5} =-4(11m^{2} + 3n^{5})$

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3 years ago