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Westkost [7]
3 years ago
6

Estimate the grade received on a test when 8 questions are answered correctly out of 40

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
5 0

Answer:

The correct answer is B. 20%

Scilla [17]3 years ago
5 0

Answer:

B. 20%

Step-by-step explanation:

You can multiply the fraction to get 40/200, then simplify it to get 20/100 or 20%.

Hope this helps! Let me know!

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Activity Give the exponential model for the following situation​
Otrada [13]

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Suppose that a couple invested $50,000 in an account when their child was born, to prepare for the child's college education. If the average interest rate is 4.4% compounded annually, ( A ) Give an exponential model for the situation, and ( B ) Will the money be doubled by the time the child turns 18 years old?

( A ) First picture signifies the growth of money per year.

( B ) Yes, the money will be doubled as it's maturity would be $108,537.29.

a = p(1 + \frac{r}{n} ) {}^{nt}a=p(1+

n

r

)

nt

a = 50.000.00(1 + \frac{0.044}{1} ) {}^{(1)(18)}a=50.000.00(1+

1

0.044

)

(1)(18)

a = 50.000.00(1 + 0.044) {}^{(1)(18)}a=50.000.00(1+0.044)

(1)(18)

a = 50.000.00(1.044) {}^{(18)}a=50.000.00(1.044)

(18)

50,000.00 ( 2.17074583287910578440507440 it did not round off as the exact decimal is needed.

a = 108.537.29a=108.537.29

Step-by-step explanation:

Hope This Help you!!

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3 years ago
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