3 years ago

Choose the following ratios as a percent: 20 correct out of 25 problems 25% 80% 20%

Mathematics

1 answer:

lions [1.4K]3 years ago

8 0

20/25 * 4 = 80/100 = 80%

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A man enters a tall tower, needing to know its height. he notes that a long pendulum extends from the ceiling almost to the floo

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3 years ago

The mean shoe size of the students in a math class is 7.5. Most of the shoe sizes fall within 1 standard deviation, or between a

Zarrin [17]

Answer:

1.5

Step-by-step explanation:

The mean is the Middle number.

1 standard deviation in both sides of 7.5 makes it between 6 and 9.

What is the "common difference" in 6 to 7.5 and from 7.5 to 9?

$7.5-6=1.5$