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Lunna [17]
3 years ago
15

9

Mathematics
1 answer:
Mashcka [7]3 years ago
5 0

Answer:

11

Step-by-step explanation:

A11

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A plastic box has a length 4 cm longer than its width. The area of the rectangular top of the box is 77 square cm. Find the leng
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Step-by-step explanation:

Let L represent the length of the rectangular plastic box.

Let W represent the width of the rectangular plastic box.

The area of the rectangular top of the box is 77 square cm. This means that

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The plastic box has a length 4 cm longer than its width. This means that

L = W + 4

Substituting L = W + 4 into equation 1, it becomes

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W(W + 11) - 7(W + 11) = 0

W - 7 = 0 or W + 11 = 0

W = 7 or W = - 11

Since the width cannot be negative, then W = 7cm

L = 77/7 = 11 cm

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3 years ago
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Mademuasel [1]
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Algebra question(s), please help!!!!
Angelina_Jolie [31]

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Step-by-step explanation:

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