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Molodets [167]
3 years ago
12

A high school will only offer a pottery class next year if at least 15 students sign up. So far, 9

Mathematics
1 answer:
andrey2020 [161]3 years ago
3 0
9 + x > (equal to or greater than) 15
6 more students need to sign up because 15-9=6
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Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. How much faster does Julia
Nimfa-mama [501]

We know that,speed = \frac{distance}{time}

Julia can finish a 20-mile bike ride in 1.2 hours.

The distance Julia travels is 20 miles and the time she takes is 1.2 hours.

So, Julia's speed = \frac{20}{1.2} = 16.67 mph


Katie can finish the same bike ride in 1.6 hours.

The distance Katie travels is 20 miles and the time she takes is 1.6 hours.

So, Katie's speed = \frac{20}{1.6} = 12.5 mph


Now, to find how much faster Julia rides than Katie we subtract Katie's speed from Julia's speed.

So, 16.67 mph - 12.5 mph = 4.17 mph = 4.2 mph (approximately)

Thus, Julia rides 4.2 mph faster than Katie.

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Use

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GraceRosalia

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572/1000, or 143/250.

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Mr Smith wants to ship a flagpole that is 5 1/2 feet long. Will the flagpole(f) fit in the box diagonally? Explain your answer.
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What are the dimensions of the box???
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3 years ago
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