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3 years ago

What is the answer to this question i really need it asap, thank you.

Mathematics

1 answer:

Valentin [98]3 years ago

4 0

Answer:

sorry I could not help you but I wish you luck

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The function C(x) = 25.50x + 50 models the total cost for a cleaning company to clean a house, where x is the number of hours it

vodomira [7]

Answer:

The average rate of change is $25.5 per hour, option B.

Step-by-step explanation:

Average Rate of Change

When we are explicitly given some function C(x), we sometimes need to know the rate of change of C when x goes from $x=x_1$ to $x=x_2$ . It can be computed as the slope of a line .

$\displaystyle m=\frac{C(x_2)-C(x_1)}{x_2-x_1}$

The provided function is

$C(x)=25.50x + 50$

We are required to compute the average rate of change between the points

$x_1=3\ ,\ x_2=9$

Let's compute

$C(3)=25.50(3) + 50=126.5$

$C(9)=25.50(9) + 50=279.5$

$\displaystyle m=\frac{279.5-126.5}{9-3}$

$\displaystyle m=\frac{153}{6}=25.5$

The average rate of change is $25.5 per hour, option B.

7 0

4 years ago

Determine which statement is true

Ganezh [65]

Answer:

C and A are true

Step-by-step explanation:

3 0

3 years ago

What value of w satisfies the equation w -10 = 0.5w -7?

Maru [420]

Answer:

w = -6

Step-by-step explanation:

w-10= .5w -7

w = .5w +3

-0.5w = 3

w = -6

8 0

3 years ago

Can anyone help with this question (quickly please) thanks

aniked [119]

Answer:

Step-by-step explanation:

You're trying to find the circumference of a circle. The general formula is: pi•D. D is the Diameter. 22/7 is the fraction version of Pi, so just do 3.14x28 and you will get your answer. 88

4 0

4 years ago

The population of Nowhere, USA was estimated to be 886,000 in 2004, with an expected increase of 4% per year. At the percent of

Maurinko [17]

Answer:

y=886000(1.04)^t

t=1 year so answer is 886000*1.04 = 921440

7 0

2 years ago