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mario62 [17]
3 years ago
8

Please help me I'm very confused

Mathematics
2 answers:
EastWind [94]3 years ago
6 0
The answer to your question would be A. replace y with 9. why?? well here is how you would solve this problem
  1.    5+4y   when y=9 (first plug 9 into the y's spot)
  2.    5+4(9)    then multiply 4 times 9 (that's what 4(9) means) 
  3.    5+36      then add 
  4.   41

the answer to the equation is 41 but the answer to your problem is A.
Delicious77 [7]3 years ago
4 0
Id say its between a and c. your best bet would be a since you have to plug in 9 for y.
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I'm not sure what you are looking for but I'll answer this question based on what I think is needed.

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The exponential equation of this problem is:
V(n) = 130(4)^n

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2 years ago
What is the numerical expression for the phrase? <br><br> Add 17 to the product of 3/4 and 12
nevsk [136]
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4 0
3 years ago
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John and Elijah are both driving from New York City to Richmond. John leaves
alina1380 [7]

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

John and Elijah are both driving from New York City to Richmond.

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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The distance traveled in 5 hours will be

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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.

More about the speed link is given below.

brainly.com/question/7359669

#SPJ1

3 0
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