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2 years ago

13

The perimeter of a rectangular playground is 494 yards. The length of the playground is 7 more than twice the width. Find the le

ngth and width.

1 answer:

lbvjy [14]2 years ago

6 0

Answer:

https://youtu.be/wOH_gVtidns

I recorded a video of myself explaining it hope it helps ;)

Step-by-step explanation:

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or

36.04·0.06/1.06 = 2.04

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3 years ago

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2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression

Lostsunrise [7]

Solution:

Given:

$2(10-a^2)+7a$

when a = 4, substitute for a in the expression;

$\begin{gathered} 2(10-a^2)+7a=2(10-4^2)+7(4) \\ =2(10-16)+28 \\ =2(-6)+28 \\ =-12+28 \\ =16 \end{gathered}$

Therefore, if (a = 4), then

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Hence, the answer is 16.

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1 year ago

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3 years ago

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When 3x2-9x + 3 is factored, the result is 3(x2-3x + 1). Explain why it is necessary to include the term 1 in this factored form

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3 years ago