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Andrej [43]
3 years ago
7

Simplify each expression as much as possible, and rationalize denominators when applicable. √72=?

Mathematics
1 answer:
Misha Larkins [42]3 years ago
3 0

Answer:

6√2

Step-by-step explanation:

Solving the given expression step by step:

72 = 2 × 2 × 2 × 3 × 3

Now for finding the square root we will make pair of two numbers of same values.

We have one pair of 2's and one pair of 3's and left one 2

Thus, √72 = 2 × 3 × √2 = 6√2

We rationalize denominator and change it into a simpler form as soon as possible.

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4 0
2 years ago
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Answer:

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Step-by-step explanation:

Given that in a  fast food study a researcher finds that mean sodium content of 32 Wendy's fish sandwiches is 1080 milligrams with a standard deviation of 75 milligrams. The mean sodium content of 39 Long John Silver's fish sandwiches is 1120 milligrams with a standard deviation of 100 milligrams

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Ha: The two means are not equal

(Two tailed test at 5% level)

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7 0
3 years ago
Confused on this part
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