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Diano4ka-milaya [45]
3 years ago
11

Stephan can run 3 miles in 15.75 minutes. Kelsha can run 5 miles in 226 minutes.

Mathematics
1 answer:
DaniilM [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Stephan can run

3 miles in 15.75 minutes

1 miles in 15.75/3 minutes

1 miles in 5.25 minutes

Kelsha can run

5 miles in 226 minutes

1 miles in 226/5 minutes

1 miles in 45.2 minutes

Stephan can run faster, since 5.25 < 45.2

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<u></u>

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I hope this helps

3 0
4 years ago
Solve the equation for all values of x.<br> (8x+9)(49x^2-100)=0
Liono4ka [1.6K]

Answer:

x = \frac{-9}{8} , \frac{-10}{7} , \frac{10}{7}

Step-by-step explanation:

8x+9=0

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or

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4 0
3 years ago
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qaws [65]

Answer:

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6 0
3 years ago
Which expression does not belong? <br><br><br><br> (2c−d)(2c−d) (2c+d)(2c−d) (2c+d)(2c+d) (c+d)(c+d)
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Answer:

It could be any of them.

Step-by-step explanation:

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Thirdly, It could be said that (2c+d)(2c+d) doesn't belong because it includes two addition signs, and none of the others do.

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I hope this helps :)

4 0
3 years ago
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denis-greek [22]

Answer:

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Step-by-step explanation:

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