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larisa [96]
3 years ago
14

A school custodian waxed the gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax?

Mathematics
1 answer:
Irina-Kira [14]3 years ago
6 0
Hey there, all you do is multiply 20 by 20, 20×20=400. Therefore, the answer is 400 square feet.
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What is the error in the equation
dimulka [17.4K]

Answer:

The fifth line contains the error.

Step-by-step explanation:

Line 1 is the equation.

Lines 2, 3, and 4 are correct.

The error is in the 5th line.

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If imaginary numbers are allowed, then the last line should read:

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4 0
2 years ago
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2 years ago
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8 0
3 years ago
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Luba_88 [7]

Answer:

The answer is false

Step-by-step explanation:

In a sample above 30 obs  like this the confidence interval is defined as

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