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3 years ago

What is the average cost of cleaning if there were seperate costs of $1,614.23 $2,196.27, $1,560.58 and $1,392.52

Mathematics

2 answers:

kifflom [539]3 years ago

7 0

The average cost should be 1690.90 dollars.

Hope this helps!

cupoosta [38]3 years ago

5 0

Add them up then divide them by 4.
6763.6/4 = 1690.9 average.

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The population of a small town is 39,668 and has been continuously declining at a 1.5% a year what will the population be in 13

anyanavicka [17]

Answer: 31, 932.74

Step-by-step explanation:

The population of the small town = 39,668

Yearly rate of decline = 1.5%

Therefore, to calculate 1.5% of 39,668 = 1.5 x 39,668

------------------

100

= 595.02

So, the population is declining by 595.02 on yearly basis.

To ascertain what will the population would have declined to in the next 13 years,

We multiply , = 595.02 x 13

=7,735.26

Now population in 13 years = 39,668 - 7,735.26

= 31,932.74

6 0

3 years ago

A. What is the monthly payment for a<br>$3,200 five-year loan with an APR of 3%.

madreJ [45]

Answer:

$57.50

Step-by-step explanation:

we know that

The monthly loan payment formula is equal to

$M=\frac{P(\frac{r}{12})(1+\frac{r}{12})^{12t}}{(1+\frac{r}{12})^{12t}-1}$

where

M ----> is the monthly payment

P ---> the amount borrowed

r ---> interest rate as decimal

t ---> length of the loan in years

we have

$t=5\ years\\ P=\$3,200\\ r=3\%=3/100=0.03$

substitute in the formula

$M=\frac{3,200(\frac{0.03}{12})(1+\frac{0.03}{12})^{12(5)}}{(1+\frac{0.03}{12})^{12(5)}-1}$

$M=\frac{3,200(0.0025)(1.0025)^{60}}{(1.0025)^{60}-1}$

$M=\$57.50$

4 0

3 years ago

A/75=15/100<br> help me in this :(

Svetach [21]

a / 75 = 15 / 100

100a = 75 * 15 [cross multiplication]

a = 11.25

i hope this helps!!! :D

4 0

3 years ago

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Geoffrey wrote the following paragraph proof showing that rectangles are parallelograms with congruent diagonals.

Nonamiya [84]

<span>the answer
The triangle congruence says triangle ERT is congruent to triangle CTR. </span>

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3 years ago

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In the largest clinical trial ever conducted, 401,974 children were randomly assigned to two groups. The treatment group consist

scoundrel [369]

The correct option regarding whether the requirements for a hypothesis test are satisfied is:

D. The conditions are satisfied. The samples are random, and each sample has at least 5 successes and 5 failures.

<h3>What are the conditions for an hypothesis test?</h3>

There are two conditions:

The samples should be random.

Each sample should have at least 5 successes and at least 5 failures.

These two conditions are satisfied for this problem, hence, researching this problem on the internet, option D is correct.

More can be learned about the requirements of an hypothesis test at brainly.com/question/15396725

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6 0

2 years ago