4 years ago

Insert parentheses in the first expression so that the solution is 10. Then insert parentheses in the second

Mathematics

1 answer:

barxatty [35]4 years ago

8 0

Answer:

32-(6+5)x2 =10

(32-6+5)x2=62

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Thirty-six of 80 marbles are blue. What percent of the marbles are blue?

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45%

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3 years ago

You have used the Distributive Property to transform numerical expressions such as (5)(3) + (2)(3) to (5 + 2)(3). How would you

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Step-by-step explanation:

5x + 2x

that is the same as (5 + 2)x

and that is the same as (7)x = 7x

so, for the second part of the problem we are actually comparing

and

7x - 1

there is therefore no way for the two expressions to deliver the same value for the same x.

the values of 7x are always larger by one than the values of 7x - 1

so, e.g.

x = 1

5×1 + 2×1 = 5 + 2 = 7

7×1 - 1 = 7 - 1 = 6

x = 2

5×2 + 2×2 = 10 + 4 = 14

7×2 - 1 = 14 - 1 = 13

x = 3

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7×3 - 1 = 21 - 1 = 20

x = 4

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7×4 - 1 = 28 - 1 = 27

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