3 years ago

Adding up inches in a perimeter

1 answer:

5 0

Answer:

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width).

Step-by-step explanation:

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Answer:

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Equivalent expression for 7a+21

Mila [183]

Answer:

Step-by-step explanation:

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7 × (a+3)

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What makes up the sides of an angle?

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slamgirl [31]

Step-by-step explanation:

Let the two-digit number is $xy$

This can be written as:

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Rewrite this as below:

d = 10x - xy + y - 10 + 10 =

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We see that:

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1 ≤ 10 - y ≤ 10 again according to the condition given above

The value of d is then:

0 + 10 ≤ d ≤ 8*10 + 10
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<h3>Proved</h3>

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