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rosijanka [135]
3 years ago
11

A triangle has a perimeter of 28 cm. If the three sides of the triangle are n, 3n − 4, and 5n − 13, what is the length of each s

ide?
Separate multiple entries with a comma.
Mathematics
1 answer:
jeka57 [31]3 years ago
8 0
28=9n-17 45=9n 5=n One side is 5 One side is 11 One side is 12
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John and Elijah are both driving from New York City to Richmond. John leaves
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Elijah will pass John after 5 hours, and they each will have traveled 310 miles. Then the correct option is C.

<h3>What is speed?</h3>

The distance covered by the particle or the body in an hour is called speed. It is a scalar quantity. It is the ratio of distance to time.

We know that the speed formula

Speed = Distance/Time

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John leaves at 7:20 and averages 60 mph (miles per hour) on the way.

Elijah leaves at 7:30 and averages 62 mph on the way.

The situation is modeled by this system, where x is the number of hours after Elijah leaves and y is the distance each will travel.

y = 60x + 10 ...1

y = 62x        ...2

The time is taken by Elijah to cross John will be

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More about the speed link is given below.

brainly.com/question/7359669

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