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Elanso [62]
3 years ago
7

Which two numbers multiply to 140 and add to 39?

Mathematics
1 answer:
Juliette [100K]3 years ago
4 0
First look at the factors of 140
140: 1,2,4,5,7,10,14,20,28,35,70,140

35 + 4= 39
35 x 4= 140
Answers are 35 and 4
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Aubrey invested $61,000 in an account paying an interest rate of 1.9% compounded continuously. Assuming no deposits or withdrawa
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Answer: 9.9 years.

Step-by-step explanation:

If interest is compounded continuously, then formula to compute final amount A = Pe^{rt}, where P =initial amount, r= rate of interest , t=time.

Given: P= $61,000, r= 1.9% =0.019  , A = $ 73600

Substitute all values in formula

73600=61000e^{0.019t}\\\\\Rightarrow\ \dfrac{73600}{61000}=e^{0.019t}\\\\\Rightarrow\ 1.20655738=e^{0.019t}

Taking natural log on both sides

\ln (1.20655738)=0.019t\\\\\\ 0.18777116=0.019t\\\\\\ t=\dfrac{0.18777116}{0.019}\\\\\\ t=9.88269263\approx9.9\ \text{years}

Hence, the required time = 9.9 years.

4 0
3 years ago
What kind of construction is it??
pochemuha
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Find the measure of z.
liraira [26]
I think it would be 120
8 0
2 years ago
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patriot [66]

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Step-by-step explanation:

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