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1 year ago

A cleaning services charges $1000 for cleaning 20 offices. Cost of cleaning one office is _

Mathematics

2 answers:

Sholpan [36]1 year ago

4 0

Answer:

The cost of cleaning one office is $50.

Step-by-step explanation:

You need to divide 1000 by 20.

Hope this helps!

vovikov84 [41]1 year ago

3 0

The answer is 50 you would take the 1000 and divide it by 20 to figure out the answer to one which is 50

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What is the average rate of change over the interval (-1, 5)

MArishka [77]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete as the function is not given. However, the following explanation will guide you.

The average rate of change is calculated using;

$A = \frac{f(b) - f(a)}{b - a}$

Where

$(a,b) = (-1,5)$

Take for instance;

The function is:

$f(x) = 2x$

We have to solve for f(-1) and f(5);

i.e.

$f(-1) = 2 * -1 -2$

$f(5) = 2 * 5 = 10$

Substitute -1 for a and 5 for b

$A = \frac{f(b) - f(a)}{b - a}$

$A = \frac{f(5) - f(-1)}{5 - (-1)}$

$A = \frac{f(5) - f(-1)}{5 +1)}$

$A = \frac{f(5) - f(-1)}{6}$

Substitute values for f(5) and f(-1)

$A = \frac{10 - (-2)}{6}$

$A = \frac{10 +2}{6}$

$A = \frac{12}{6}$

$A = 2$

Apply this steps in your work

5 0

3 years ago

If you answer both I will give Brainliest they have to be correct.Good luck

svetlana [45]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

What is 20x2 a 40 b 70 c 100

Sunny_sXe [5.5K]

20x2= 40 just like 20+20=40

3 0

2 years ago

You deposit $5000 in an account earning 8% interest compounded monthly. How much will you have in the account in 15 years?

Rasek [7]

$\bf ~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$5000\\ r=rate\to 8\%\to \frac{8}{100}\dotfill &0.08\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &15 \end{cases}$

$\bf A=5000\left(1+\frac{0.08}{12}\right)^{12\cdot 15}\implies A=5000(1.00\overline{66})^{180}\implies A\approx 16534.61$

5 0

2 years ago

A square window has a perimeter of (8x+12) feet. Write an expression that represents the side length of the window (in feet). Pl

luda_lava [24]

Perimeter of a square = 4L
4L = (8x+12)ft
L= (2x+3)ft

5 0

3 years ago