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babunello [35]
3 years ago
7

If 78 sit-ups is done in 2 minutes how many can be done in 5 minutes

Mathematics
2 answers:
MatroZZZ [7]3 years ago
6 0

Answer:

195 sit-ups

Step-by-step explanation:

If 78 are done in 2 minutes, then

78/2 = 39   sit-ups are done per minute, so

39(5) = 195 sit-ups are done in 5 minutes

Oksanka [162]3 years ago
4 0

Answer:

195

Step-by-step explanation:

78/2*5

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The value of n from the set {6, 7, 8, 9} that holds true for 4n − 12 < 2n + 2 is?
djverab [1.8K]

The value of n that satisfies the inequality is 6.

<h3>What is inequality?</h3>

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Given:

4n − 12 < 2n + 2

For n= 6

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Thus, n=8 not satisfies.

For n= 9

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Thus, n=9 not satisfies.

Learn more about inequality here:

brainly.com/question/20383699

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Step-by-step explanation:

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