A construction crew is lengthening a road. The road started with a length of 58 miles, and the crew is adding 2 miles to the roa
1 answer:
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Answer:
D
Step-by-step explanation:
Exponential equation takes the form where
- a is the initial value ( a ≠ 0), and
- b is the base ( b ≠ 1)
The equation given in the problem can be written as , so it is <em>an exponential equation, </em> where a = -4.8 and b = 4.
Thus we can say that the initial value = -4.8 and the base is 4
The correct answer is D
Answer:
The person invested $3500 at 7% and $2500 at 5%
Step-by-step explanation:
We can say that because the investment is equal both in one as in another, where x is the income from the investment.
Solving the equation we have:
Then to get the incomes:
At 7%:
And at 5%:
Finally we can demonstrate the answer because the income at 7% + income at 5% are 3500+2500=$6000