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Tresset [83]
3 years ago
5

I really need help with these, if you know any it would help so much

Mathematics
1 answer:
algol133 years ago
5 0

Answer:

1: 23.85

2: 83%

3: 44

Step-by-step explanation:

1 - do 53x0.45 (23.85)

2 - Divide 20 by 24, which you get 0.833333333 and move the decimal 2x to the right. You get 83.3333333, but round. So 83%

3 - do 80x0.55 (44)

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Is subtraction of decimals associative? If not, give a counter example.
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Answer:

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Step-by-step explanation:

10 less than two thirds the number is one fourth the number

Let the unknown number be x

two third of the number is \frac{2}{3} x

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divide by 5 on both sides

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