Kallisto built a rectangular sign that measured 2 and 3/4. The width is 1 and 1/4 shorter than the length. To find the area, multiply the le

Question

Kallisto built a rectangular sign that measured 2 and 3/4. The width is 1 and 1/4 shorter than the length. To find the area, multiply the length and width. What is the area in square feet write an equation to solve it

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Thanh Hà 3 years 2021-08-24T14:48:16+00:00 1 Answers 2 views 0

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  1. Nem
    0
    2021-08-24T14:49:40+00:00
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    Answer:

    l = 1 5/16

    w = 1/16

    A = 21/16 x 1/16 = 21/256

    Step-by-step explanation:

    Perimeter = 11/4

    l = length

    w = l – 5/4

    2l + 2(l – 5/4) = 11/4

    2l + 2l – -5/2 = 1/4

    multiply each side by 4

    8l + 8l – 10 = 11

    16l = 21

    l = 21/16 or 1 5/16

    width = 21/16 – 20/16 = 1/16

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )