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3 years ago

T.J. invests $8,100 in an account

Mathematics

1 answer:

Illusion [34]3 years ago

6 0

Answer:

$13,177.97

Step-by-step explanation:

Compound Interest Formula

$A=P(1+\frac{r}{n} )^{nt}$

A = final amount

P = initial investment

r = interest rate

n = number of times the rate is applied during a time period

t = number of times the time period has elapsed

$A=8100(1+\frac{.072}{1} )^{(1)(7)} \\A=8100(1.072)^{7}\\ A=8100*(1.626909883)\\A=13177.97006$

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Question 2.what is the probability that between 80 and 115 complaints are received in one week? use a n(110,20) model to approxi

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3 years ago

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Akimi4 [234]

Answer:

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Step-by-step explanation:

Let x be the amount of water drank by Alla and y be the amount of water drank by Balla.

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$x+y=750...(1)$

We are also told that Alla drinks 50% more than Balla. We can represent this information as:

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Upon substituting this value in equation (2) we will get,

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3 years ago

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Dmitry [639]

Answer:

B. 12.5 feet below the surface of the water

Step-by-step explanation:

-20 + (-32.5) + 40

40 - 52.5

= -12.5 feet

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2 years ago