Solve for x 3.25x = 8.125
2 answers:
Hi there,
please see below for solution steps :
________
We know what 3.25x is equal to. What do you think we should do to find x? Remember, we need <em>opposite operations</em>. Here x is multiplied by 3.25. What is the opposite of multiplying by 3.25? That's right, dividing by 3.25. But we can't ignore the golden rule of algebra - whatever you do to one side, you should do to the other. So we can only divide 3.25 by 3.25 if we divide the other side by 3.25 aswell.
Thus,
Hope the answer - & explanation - made sense,
happy studying !!
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<u>Given</u>:
The given function which models the value of Mark’s car, where x represents the number of years since he purchased the car.
We need to determine the approximate value of Mark's car after 7 years.
<u>Value of the car:</u>
The value of the car after 7 years can be determined by substituting x = 7 in the function , we get;
Rounding off to the nearest dollar, we get;
Thus, the approximate value of Mark's car after 7 years is $14278.
Hence, Option a is the correct answer.