3 years ago

Train can travel 1136 miles in 4 hours. What is the unit rate that this train is traveling per hour

Mathematics

1 answer:

jonny [76]3 years ago

3 0

Answer:

4544

Step-by-step explanation:

1136 *4 = 4544

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The circumference of Tyler's bike tire is 72 inches. What is the diameter of the tire?

pantera1 [17]

Answer:

The diameter is 22.92 inches

Step-by-step explanation:

Hello, I can help you with this question

in this case we know the circumference of a circle, and we need to find out the diameter.

let's remember

the radius of a circle can be defined as

$radius=\frac{diameter}{2}\\ or\\diameter=2* radius( equation\ 1)\\$

also

$circumference=2*\pi *radius(equation2)\\$

Step1

replace the value of the circumference of tyler's bike in equation 2 and isolate radius to find radius

$72 inches=2*\pi *radius\\\\radius=\frac{72}{2*\pi } \radius =11.46\ inches$

Step 2

now, replace the value of radius into equation 1 to find diameter

radius=11.46 in

$diameter=2* radius( equation\ 1)\\\\diameter=2*11.46\\diameter=22.92$

so, the diameter is 22.92 inches

I really hope it helps, have a great day.

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romanna [79]

I think it would be 21 points total for 7 correct awnsers I did the math hope it helps

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In problems 1-3, a and b are legs and c is the hypotenuse. Find the missing side length of the

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Answer:

1. b=39.497

2. c=3.606

3. a=18.974

Step-by-step explanation:

41^2-11^2=b^2

1681-121=b^2

b^=1560

b=39.497

2^2+3^2=c^2

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c=3.606

21^2-9^9=a^2

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a=18.974

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The answer is about 3.3333

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