Math. Answer soon please.

An estimate for negative square root of 93 is ___
A-8.1
B-8.5
C-9.1**
D-9.5

Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden?
A:6FT**
B:7FT
C:8FT
D:9FT
Please correct me if I'm wrong.

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  3. 👁 888
  1. An estimate for negative square root of 93 is ____.
    [-(sqrt(93))] If its an imaginary just apply absolute value

    Find perfect squares close to 93.
    9^2 = 81
    10^2 = 100

    Find the difference between the squares and 93. (The smaller the value the closer it is to the root of the square.)
    100 - 93 = 7
    93 - 81 = 12

    So, the first answer is D.) -9.5

    Test taking strategy: Use the answer options and square them.
    9.1 * 9.1 ~= 82
    9.5 * 9.5 ~= 90

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  2. Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden?

    A Square's Area is the length of one side multiplied by itself. This problem has the same approach given for the first question.

    Find perfect squares close to 52.
    7^2 = 7*7 = 49
    8^2 = 8*8 = 64

    Find the differences. (Smaller is better)(Make sure the differences are positive numbers.)
    53 - 49 = 4
    64 - 53 = 11

    So 7FT is closer.

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  3. Here is a table for x^2.

    SQUARES
    1^2 = 1
    2^2 = 4
    3^2 = 9
    4^2 = 16
    5^2 = 25
    6^2 = 36
    7^2 = 49
    8^8 = 64
    9^2 = 81

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  4. 1. C
    2. B
    3. D
    4. B

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  5. Thank you sly!! 100%

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  6. Sly is correct!!!

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  7. Sly is correct!!!

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