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3 years ago

A bicyclist travels at a constant speed of 18 mi/h. How long does it take the bicyclist to travel 90 mi

2 answers:

6 0

If the bicyclists is traveling 18 miles every hour and needs to travel a sum of 90 miles, you need to divide 90/18 equaling the total time (in hours) needed to travel 90 miles. Hope this helps

mina [271]3 years ago

6 0

Answer: 5 hours

Step-by-step explanation:

If the bicyclists takes 1 hour to travel a distance of 18mi, 90 mi will take

I.e 18 mi .............. 1hr

90mi............... xhr

x = 90(mi) * 1(hr) / 18(mi) = 5 hours

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3 years ago

Sue Has 37 baseball cards to next week she buys 5 more and then 5 more each week when will she have 122 baseball cards

Nesterboy [21]

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3 years ago

Mai biked 5 1/4 miles today, and Noah biked 2 1/2 miles. How many times the length of Noah’s bike ride was Mai’s bike ride?

OlgaM077 [116]

Answer:

The length of Mai's bike ride was 2.1 times the length of Noah's ride.

Step-by-step explanation:

Mai biked 5 1/4 miles today

So he biked, in miles:

$5 + \frac{1}{4} = \frac{5*4 + 1}{4} = \frac{20+1}{4} = \frac{21}{4}$

Noah biked 2 1/2 miles.

So, in miles, he biked:

$2 + \frac{1}{2} = \frac{2*2 + 1}{2} = \frac{4+1}{2} = \frac{5}{2}$

How many times the length of Noah’s bike ride was Mai’s bike ride?

We divide the Mai distance by Noah's distance. In a division of fractions, we multiply the numerator by the inverse of the denominator. So

$\frac{\frac{21}{4}}{\frac{5}{2}} = \frac{21}{4} \times {2}{5} = \frac{21*1}{2*5} = \frac{21}{10} = 2.1$

The length of Mai's bike ride was 2.1 times the length of Noah's ride.

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2 years ago

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2 years ago

Math question please help

Reil [10]

Answer:

Step-by-step explanation:

Remark

There are 6 faces on a cube.

Each face has an area of s^2

s = 5

One face is s^2

One face is 5^2 = 25 cm^2

6 faces are 6*25 cm^2

6 faces are 150 cm^2

Answer

150 cm^2

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2 years ago