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Harrizon [31]
3 years ago
7

The cost of having a window fixed is $100 plus $20 per hour of labor. Using h for the number of hours of labor, write an express

ion that represents the total cost.
Mathematics
2 answers:
posledela3 years ago
7 0

Answer: 100+20h=x

Step-by-step explanation:

100 for the cost of the window Plus $20 times amount of hours the person does i equal the total amount you want to get which is x

Sholpan [36]3 years ago
5 0

Answer:

100 + (20 x H)

Step-by-step explanation:

100 dollars plus the amount paid for each hour of labor, so it would be 20 x H. Altogether it should be 100 + (20 x H).

Hope I helped!

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8 0
3 years ago
P(-3,6), Q(-3,-6) and R(6,-2) are the vertices of a triangle. Calculate the perimeter of this triangle.​
Eva8 [605]

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33.89

Step-by-step explanation:

the side lengths are the distances between the corner points of the triangle.

P and Q have the same x value, and they therefore create a side parallel to the y-axis. and it is easy to find the length of this side : it is just the difference of the y values.

PQ = 6 - (-6) = 6 + 6 = 12

QR and RP are trickier.

we need Pythagoras to calculate the length of the direct connection between these points as the Hypotenuse of the right triangles with the differences in x and in y values as the other sides.

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3 0
3 years ago
Julie’s cell phone is 9 centimeters long. How many millimeters long is her cell phone
evablogger [386]
The answer is 90, there is 10 millimeters in 1 centimeter! So, if there is 9 centimeters, there will then be 90 millimeters!

Ps: I had my question up but someone reported it since I added a picture that would help you! :( 

Hope this does help though! You can always do the jumping trick with meters! That's how I learned :) 

5 0
3 years ago
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