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Mathematics

1 answer:

dangina [55]3 years ago

5 0

Find all the angles and then divide or mutiply

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The camp has two fire pits. One is a rectangular fire pit with a perimeter of 20 inches. The

Ksivusya [100]

Over fort fort core cots puts stone below

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2 years ago

Seven less than 5 times a number is 62. What is the number. (Explain)

Marrrta [24]

7-5*14=62

The equation above is how you would write it with a variable.

The number is 14.

This is because if you do 14 times 5, the answer is 70. Then If you subtract from that, it would be 62.

You can also do 62+7, which is 70, and then divide that by 5 and you will still get 14.

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3 years ago

When three pipes fill a pool, they can finish in 12 hours. Two of the pipes can finish in 18 hours if they are working together.

ladessa [460]

3 pipes take 12 hours
⇒ In 1 hour, the 3 pipes can fill 1/12 of the pool

2 of the pipes take 18 hours
⇒ in 1 hour, the 2 pipes can fill 1/18 of the pool

In 1 hour, the third pipe alone can fill :

$\dfrac{1}{12} - \dfrac{1}{18} = \dfrac{3}{36} - \dfrac{2}{36} = \dfrac{1}{36} \text { of the pool}$

Time needed :

$1 \div \dfrac{1}{36} = 1 \times 36 = 36 \text { hours}$

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Answer: It will take 36 hours for the third pipe to fill the pool.
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5 0

3 years ago

Read 2 more answers

GCF of 72 and 81. Show your work.

frosja888 [35]

Answer:

greatest factor of 72 and 81 is 9.

Step-by-step explanation:

i got this because 9 is the greatest number when multiplied that will go into both 72 and 81. i solved this by comparing the multiples of 72 and 82.

hope this helped :))

4 0

3 years ago