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zaharov [31]
3 years ago
8

Nina deposited $3400 into a savings account that pays a simple annual interest rate of 2.2% how much interest will she earn afte

r 3 months?
Mathematics
1 answer:
leva [86]3 years ago
5 0
Total = principal * (1 + rate)^years
Total = 3,400 * (1.022)^.25
<span> <span> <span> 3,418.55 </span> </span> </span>
So, after 3 months, $18.55 in interest is earned.

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PLEASE HELP!! I WILL BRAINLIEST
ArbitrLikvidat [17]

Answer:

81.8%

Step-by-step explanation:

Mean = \mu = 40

Standard deviation = \sigma = 5

Now we are supposed to find out what percent of the numbers fall between 35 and 50

z = \frac{x-\mu}{\sigma}

Substitute the values

z = \frac{x-40}{5}

Now for P(35<x<50)

Substitute x = 35

z = \frac{35-40}{5}

z =-1

Substitute x = 50

z = \frac{50-40}{5}

z =2

So, P(-1<z<2)

P(z<2)-P(z<-1)

=0.9772-0.1587

=0.8185

= 0.818 \times 100

=81.8%

Hence  81.8% percent of the numbers fall between 35 and 50

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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7 0
2 years ago
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Simplify

\\ \tt\Rrightarrow f(x)=(x+2)^2-1

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\\ \tt\Rrightarrow Domain\in R

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2 years ago
0.3d - 12 = 0.6<br> what’s the value of d?
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Answer:

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Step-by-step explanation:


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Answer:

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Step-by-step explanation:

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