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arsen [322]
2 years ago
8

Emma needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 5

hours and charged her $168 for parts. The total was $743. What was the cost of labor, per hour?
Mathematics
1 answer:
nika2105 [10]2 years ago
6 0

Answer:

115

Step-by-step explanation: trust me twin

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How do you do the slope on a graph
Semmy [17]

I can't be entirely sure what you want to "do" about the slope,
but here is how to FIND it if you have the line on the graph:

-- You pick two points on the graph line.

-- Find the difference in 'y' between the two points.

-- Find the difference in 'x' between the two points.

-- The slope of the line between the two points is

             (the difference in 'y')
divided by
             (the difference in 'x') .

-- If the line on the graph is a straight line, then
the slope is the same everywhere on it.

4 0
3 years ago
Find the distance between the two points in simplest radical form <br> (4,6) and (-2,9)
MrRa [10]

\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{4}~,~\stackrel{y_1}{6})\qquad (\stackrel{x_2}{-2}~,~\stackrel{y_2}{9})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d = \sqrt{(-2-4)^2+(9-6)^2}\implies d = \sqrt{(-6)^2+3^2}\implies d = \sqrt{36+9} \\\\\\ d = \sqrt{45}\implies d = \sqrt{9\cdot 5}\implies d=\sqrt{3^2\cdot 5}\implies d = 3\sqrt{5}

6 0
3 years ago
What is the decimal for 1/8
Andrews [41]
0.125 but 0.13 if it asks you to round
3 0
3 years ago
Read 2 more answers
Similar triangles have corresponding angles that are congruent and corresponding sides whose measures are proportional.
andriy [413]
That is definitely true.
8 0
3 years ago
How many solutions does the system have?<br> y=-2x -4 <br> y=3x + 3
baherus [9]

Answer:

x=−7/5and y=−6/5

Step-by-step explanation:

Step: Substitute−2x−4foryiny=3x+3:

y=3x+3

−2x−4=3x+3

−2x−4+−3x=3x+3+−3x(Add -3x to both sides)

−5x−4=3

−5x−4+4=3+4(Add 4 to both sides)

−5x=7

−5x

−5

=

7

−5

(Divide both sides by -5)

x=−7/5

7 0
3 years ago
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