A student's scores on five tests are 98, 99, 86, 89 and 70. What must the score be on the next test so that the average is 8
1 answer:
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Answer:
1) ; 2)
Step-by-step explanation:
1) Using the Power of a Fraction Rule ,
, which can just be simplified to
.
2) Using the Negative Exponent Rule, ,
, which can be simplified to
.
Using it's formula, it is found that the monthly payments for the loan of the apartment is of $7,260.50.
<h3>What is the monthly payment formula?</h3>It is given by:
In which:
- P is the initial amount.
- r is the interest rate.
- n is the number of payments.
In this problem, the parameters are given as follows:
P = 500000, r = 0.123, n = 12 x 10 = 120.
Hence:
r/12 = 0.123/12 = 0.01025.
Then, the monthly payments will be of:
A = 7260.50.
More can be learned about the monthly payment formula at brainly.com/question/26267630
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