3 years ago

IF Mary had 500.004 in the bank and earns an annual interest rate of 2%, how much will she earn in one year?

Mathematics

1 answer:

Natalija [7]3 years ago

8 0

0.02*500.004 = 10.00008

Mary's account would be credited with $10.00 interest for the year.

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galben [10]

X=4.1

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3 years ago

Solve for n. 2n +2 > 16<br> A)n=7<br> B)n<7<br> C)n>7<br> D)n<-7

Alex

Inequality : 2n + 2 > 16

2n > 16 - 2
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-> Answer C

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2 years ago

Read 2 more answers

Question One

Alex

Answer:

Step-by-step explanation:

Set up proportions. Make sure length and widths line up!

$\frac{12}{5} =\frac{x}{8}$

Then do butterfly method.

$12(8) = 5x$

Solve for x.

$96 = 5x\\\\x= 19.2 in$

Hope that helped!

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3 years ago

Sixty-eight percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adu

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Answer:

Mean = 3.4

Variance = 1.088

Standard deviation = 1.0431

Step-by-step explanation:

$P=0.68\\ \\N=5$

The mean of a binomial distribution with parameters N (the number of trials) and p (the probability of success for each trial) is $m=N\cdot p$

Thus,

$m=5\cdot 0.68=3.4$

The variance of the binomial distribution is $s^2=Np(1-p)$ , where $s^2$ is the variance of the binomial distribution, so

$s^2=5\cdot 0.68\cdot (1-0.68)=3.4\cdot 0.32=1.088$

The standard deviation $s$ is the square root of the variance $s^2,$ so

$s=\sqrt{1.088}\approx 1.0431$

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3 years ago

A map has a scale of 1 cm : 20 km. Two cities are 2.5 cm apart on the map. To the nearest tenth of a kilometer, what is the actu

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50 Km

1 cm → 20 Km

2.5 cm → 20 × 2.5 = 50 Km

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3 years ago