Answer:
C). 24
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
D is the correct answer
Answer:
27pi units^2, or about 81 units^2
Step-by-step explanation:
9^2*pi/3
81*pi/3
about 81 units^2 or
27pi units^2
Amount invested at 8% is 1800 , and Amount invested in 5% is .
<u>Step-by-step explanation:</u>
Here we have , An executive invests $21,000, some at 8% and the rest at 5% annual interest. If he receives an annual return of $1,590, We need to find how much is invested at each rate . Let's find out:
Let x be amount invested in 8% , So amount invested in 5% will be
$(21,000-x) . According to question , If he receives an annual return of $1,590
⇒
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⇒
⇒
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⇒
Therefore , Amount invested at 8% is 1800 , and Amount invested in 5% is .
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