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nignag [31]
2 years ago
15

How long will it take for money to double if it is invested at 7% compounded monthly?

Mathematics
1 answer:
Goshia [24]2 years ago
4 0
Use the rule of 72 for the monthly compound:
About 10.3 years

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Please refer to the attachment

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How to make a graph of an exponential function that shows exponential decay and has a y intercept of 2
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Answer:

f(x)=2e^{-kx}

in a graph the x value at the y intercept is 0

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Step-by-step explanation:

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What is the exact value of x in the exponential equation 4 + e3x = 24?
larisa86 [58]

Answer:

hello : x = (ln(20))/3

Step-by-step explanation:

4 + e3x = 24?

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7 0
3 years ago
In testing the lethal concentration of a chemical found in polluted water. it is found that a certain concentration will kill 20
sasho [114]

Answer:

a) 0.1091

b) 0.9994

c) 0.5886

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X = the number of fish out of 20 that die after 24 hours

x = 0, 1, 2, . . . , 20

X~ Binomial (n= 20, p =0.20)

P(14 survive) = P(X = 6)

= nC_r p^r q^{n-r}= 20C_6 0.2^6\times0.8^{14}=0.1091

Similarly we can find out

P(at least 10 survive) = P( X <= 10 ) = (Using technology) = 0.9994

P(at most 16 will survive) = P(X <= 16) = (Using technology) = 0.5886

7 0
2 years ago
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