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3 years ago

9

You are a contractor and charge $45 for a site visit plus an additional $24 per hour for each hour you spend working at the site

.Write and solve an equation to determine how many total hours you have to work

1 answer:

o-na [289]3 years ago

5 0

So lemme ...
45+(24x)=h

I feel this is the best I can do with the given information ... hope this helps

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The circumference of a circle is 31.4 feet. What is the area?

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A ≈ 78.46 ft

To find the answer just look up the formula for finding area with circumference and plug in the circumference

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3 years ago

A schools principal wants to determine which type of speaker the students prefer to invite to an assembly for the entire student

frosja888 [35]

For a survey like this, you want to take a random sample. It would be a good idea to use an alphabetical list of the students. Then, you could randomly select students from the list.

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3 years ago

Which best describes the graphs of the line that passes through (−12, 15) and (4, −5), and the line that passes through (−8, −9)

konstantin123 [22]

Answer:

C) They are perpendicular lines.

Step-by-step explanation:

We first need to find the slope of the graph of the lines passing through these points using:

$m = \frac{y_2-y_1}{x_2-x_1}$

The slope of the line that passes through (−12, 15) and (4, −5) is

$m_{1} = \frac{ - 5 - 15}{4 - - 12}$

$m_{1} = \frac{ - 20}{16} = - \frac{5}{4}$

The slope of the line going through (−8, −9) and (16, 21) is

$m_{2} = \frac{21 - - 9}{16 - - 8}$

$m_{2} = \frac{21 + 9}{16 + 8}$

$m_{2} = \frac{30}{24} = \frac{5}{4}$

The product of the two slopes is

$m_{1} \times m_{2} = - \frac{4}{5} \times \frac{5}{4} = - 1$

Since

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3 years ago

Read 2 more answers

Complete the square to solve 4x2 + 24x = 4.

igomit [66]

Answer:

x = - 3 ± $\sqrt{10}$

Step-by-step explanation:

Given

4x² + 24x = 4 ( divide through by 4 )

x² + 6x = 1

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 1 + 9

(x + 3)² = 10 ( take the square root of both sides )

x + 3 = ± $\sqrt{10}$ ( subtract 3 from both sides )

x = - 3 ± $\sqrt{10}$

8 0

3 years ago

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You deposit $800 in an account that pays 2.25% annual interest compounded continuously. About how long will it take for the bala

timurjin [86]

Answer:

48.8 years

Step-by-step explanation:

A=p(1+r/n)^nt

A= total amount

p= initial investment (800_

r/n= annual interest rate over number of years( 2.25)

t= number of years compounded ( annually , biannually, quarterly etc.)

48.8 years

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3 years ago