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sladkih [1.3K]
2 years ago
7

What is the difference? 9/4 - 1/7​

Mathematics
2 answers:
Andrews [41]2 years ago
5 0

Answer:

9/4  - 1/7

= 67/28   -  4/18

= 59/28

Step-by-step explanation:

Brainliest

MrMuchimi2 years ago
5 0

Answer:

59/28

Step-by-step explanation:

Find the Lowest Common Factor of 4 and 7, which is 28.

Divide 28 by 4 and 28 by 7

Multiply the numerator by this answer

Therefore,

63-4=59/28

Just a bored teen willing to help,

Hope you're having a splendiferous day.

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SashulF [63]

Answer:

(a)

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(b)

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Step-by-step explanation:

(a) With x being the minutes after which you want to calculate the amount of water in the pool, to calculate this amount of water you must subtract the water drained from the initial amount of water that the pool contains.

Knowing that, for example, the water from the first pool drains at a rate of 33 liters per minute, then after x minutes, the total water drained will be 33 liters per minute * x minutes. Then:

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Amount of water in the first pool = Amount of water in the second pool

Replacing the expressions found in (a):

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