This composite figure has been divided into three rectangles.

Mathematics

1 answer:

Harrizon [31]3 years ago

5 0

Answer:

I'm pretty sure it's 62, but not completely since the picture does not give exact dimensions, so I'm not sure. But, it is the best answer I can give.

Step-by-step explanation:

Multiply the base and height of each rectangle one at a time. Add them together. Be careful not to mix up the numbers. :) i took the quiz and got a 100 so you should be fine! <3

-PleAsE mArK bRaINLIesT

ty bye

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Answer:

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Step-by-step explanation:

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Kristen invests $ 5745 in a bank. The bank 6.5% interest compounded monthly. How long must she leave the money in the bank for i

podryga [215]

Answer:

1. 10.7 years

2. 17.0 years

3. 2nd option

Step-by-step explanation:

Use formula for compounded interest

$A=P\cdot \left(1+\dfrac{r}{n}\right)^{nt},$

where

A is final value, P is initial value, r is interest rate (as decimal), n is number of periods and t is number of years.

In your case,

1. P=$5745, A=2P=$11490, n=12 (compounded monthly), r=0.065 (6.5%) and t is unknown. Then

$11490=5745\cdot \left(1+\dfrac{0.065}{12}\right)^{12t},\\ \\2=(1.0054)^{12t},\\ \\12t=\log_{1.0054}2,\\ \\t=\dfrac{1}{12}\log_ {1.0054}2\approx 10.7\ years.$