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2 years ago

14

Answer both? please?

1 answer:

lesya [120]2 years ago

6 0

Answer:

19. 83/8

20. A rational number is a number that can be express as the ratio of two integers. A number that cannot be expressed that way is irrational. Any number that can be written in fraction form is a rational number. This includes integers, terminating decimals, and repeating decimals as well as fractions. An integer can be written as a fraction simply by giving it a denominator of one, so any integer is a rational number.

Step-by-step explanation:

19. 2 1/2 + 3 1/8 + 4 3/4 = 83/8 or 10.375 or 10 3/8

20. A rational number is a number that can be express as the ratio of two integers. A number that cannot be expressed that way is irrational. Your answer for 19 is rational

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Which expression uses the distributive property to represent the sum of 39 + 27

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Step-by-step explanation:

Given

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Required

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The distributive property is represented in the form a(b + c)

So, we can say that the meaning to the question is that the given expression should be represented in the form a(b+c)

Equate these two expressions, we have

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Factorize the expression on the left hand side

$a(b+c) = 3(\frac{39}{3} + \frac{27}{3})$

Simplify fraction

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Compare expression on left hand side with the expression on the right hand side.

Since, they have the same format, then we've arrived at the answer.

Hence, the expression that uses the distributive property to represent the sum of 39 + 27 is $3(13 + 9)$

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