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nasty-shy [4]
3 years ago
6

Two cars started from the same point and traveled on a straight course in opposite directions for exactly 2 hours, at which time

they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster the the other car, what was the average speed for each car for the 2-hour trip?
Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0

Answer with Step-by-step explanation:

Let speed of one car=x miles/h

Speed of second car=x+8 mi/h

Time,t=2 hours

Distance between two cars=208 miles

We have to find the average speed for each car for 2-hour trip.

Distance=Speed\times time

Distance traveled by one car=2x

Distance traveled by second car=2(x+8)

According to question

2x+2(x+8)=208

2x+2x+16=208

4x=208-16

4x=192

x=\frac{192}{4}=48

Speed of one car=48mph

Speed of second car=48+8=56mph

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Step-by-step explanation:

5z >or= -75

z >or= -75/5

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ans is D

4 0
3 years ago
With exponential functions of the form y equals short dash a times b to the power of x, as x goes to positive infinity, the y-va
Delicious77 [7]

With exponential functions of the form y equals short dash a times b to the power of x, as x goes to positive infinity, the y-values tend towards  <u>negative infinity</u>.

The correct option C.

<h3>What is negative infinity?</h3>

The number's value. The global object's Infinity property has a negative value, which is the same as NEGATIVE INFINITY. It acts a little differently from mathematical infinity in the following ways: NEGATIVE INFINITY is the result of multiplying any positive value by NEGATIVE INFINITY, including POSITIVE INFINITY.

<h3>What  is exponential functions?</h3>

F(x)=exp or e(x) is a mathematical symbol for the exponential function. Unless otherwise stated, the term normally refers to the positive-valued function of a real variable, though it can be extended to the complex numbers or adapted to other mathematical objects like matrices or Lie algebras.

To know more about exponential functions visit:

brainly.com/question/20966963

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I understand that the question you are looking for is:

With exponential functions of the form  y = -a.b^-x , as x goes to negative infinity, the y-values tend towards .

a.) positive infinity

b.) zero

c.) negative infinity

d.) one

8 0
2 years ago
If Donald were two times as old as he was five years ago, he will be ten less than two times his age now. How old is Donald?
Zigmanuir [339]

Answer: The answer is 5

Step-by-step explanation:

2(n-5) - 10 +2N

5 0
4 years ago
how many solutions does this equation have ? 9z + 10 = 1 – 15 + 3z A. no solutions B. infinitely many solutions C. one solution
PIT_PIT [208]

Answer:

C. One solution

Step-by-step explanation:

9z+10=1-15+3z

9z+10=-14+3z

6z+10=-14

6z=-24

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C. One solution

6 0
3 years ago
Find the next three terms in the sequence below.
fomenos

Answer: 13/6

Step-by-step explanation:

Based upon the previous sequence.

1.there is a constant decrease of two in the numerator

2. There is a constant increase of one in the denominator

to find the fourth number in the sequence I used One of the numbers from the previous to determine the answer.

17/4 — —> then I followed the pattern and determine what fraction 3 was       .   .                 before it was converted into a whole number.

which would be 15/5 —> Now considering equations that are written like this also mean division, because in this case division is possible the answer would be 3, which would make the whole number 3 instead of 15/3. considering it was an improper fraction.

____________________________________________________________

Now If 15/5 wasn’t converted into 3, The answer to the  sequence would be 13/6. If you follow the pattern like I said before there is a certain amount of increase and decrease so 13/6 will be your answer. The only reason is not a whole number because 13 can’t be divided by six to get a whole number.

4 0
3 years ago
Read 2 more answers
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