Question

The square root of a number is between 6 and 7. Which of the following could be the value of that number? Select all that apply.

49

35

39

45

Answer 1

The answers are:
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[C]: "39" ; and:
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[D]: "45" .
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Note: 6² = 36 . 7² = 49 . So, which answer choice(s) is/are between numbers "36 and 49" . The answers are: "39" and "45" ; which are answer choices: [C] and [D] — respectively.
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Answer 2

To figure this out, we need to find the squares of 6 and 7.
6^2 = 36
7^2 = 49

Our number lies between 36 and 49.
A.) is exactly 49, but doesn't lie between it.
B.) is 35, which is one under 36.
C.) lies between 36 and 49.
D.) lies between 36 and 49.

Your answers are C and D (or 39 and 45).

I hope this helps!