3 years ago

What value of a makes the equation true?

Mathematics

1 answer:

HACTEHA [7]3 years ago

8 0

30/45 = 6/a

using cross products

30 * a = 45*6

divide by 30

a = 45*6/30

a =9

Choice B

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3 years ago

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Answer:

d. 7 × (10 + 9) = (7 × 10) + (7 × 9)

Step-by-step explanation:

The format of writing numbers in distributive property is a(b+c) = (a×b)+(a×c)

We can see that in choice d. 7 × (10 + 9) = (7 × 10) + (7 × 9) it is in correct format of writing numbers in distributive property. Thus, choice d. is correct.

Verification:-

a(b+c) = (a×b)+(a×c)

7 × (10 + 9) = (7 × 10) + (7 × 9)

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