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Alik [6]
3 years ago
15

Carla plumbing charges $25 for a service call and $28 per hour, h, for labor for any repair. The total cost , t, for a repair ca

n be calculated using the equation below
Mr Callahan paid a total of $165 for repair. How many hours did it take to complete his repair
Mathematics
1 answer:
Ulleksa [173]3 years ago
4 0

Answer:

It took 5 hours

Step-by-step explanation:

Because 28 times 5 is 140 plus 25 for the call is 165.

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A circle has the equation x2 + (y−7)2 = 121. What is the length of the diameter of the circle?
Reika [66]

Answer:

22

Step-by-step explanation:

The standard form for an equation of a circle is (x-h)^2+(y-k)^2=r^2, where h is the x coordinate of the center of the circle, k is the y coordinate, and r is the radius of the circle. Therefore, the radius of this circle squared is 121, meaning that the radius of the circle is 11. Since the diameter of a circle is twice the radius, the radius of this circle is 22. Hope this helps!

8 0
3 years ago
Write the equation of the line, given the y and x-intercepts:
kolezko [41]

Answer:

The answer to your question is:                161x + 17y - 391 = 0

Step-by-step explanation:

Data

y-intercept = 23         Get the points      (0, 23)

x- intercept = 4.75                                   (4.75, 0)

                      4.75 = 17/4                         (17/4, 0)

slope

              m = (y2 - y1) / (x2 - x1)

              m = (0 - 23) / (17/4 - 0)

              m = -23 / 17/4

             m = - 161 / 17

equation

              (y - y1) = m (x - x1)

              ( y - 23) = -161 / 17 (x - 0)

               y - 23 = -161/17 x

              17(y - 23) = -161x

              17y - 391 = -161x

              161x + 17y - 391 = 0

7 0
3 years ago
How many cups is there in 1 quart?
iren [92.7K]
There is 4 cups in 1 quart.
4 0
2 years ago
PLEASE HELP!!!! I HAVE TO SUBMIT THIS IN AND I DONT KNOW!!
masya89 [10]

Answer:

your answer is clearly luke skywalker banana toungue

Step-by-step explanation:

because i felt like it

8 0
3 years ago
What is the fraction and decimal
vfiekz [6]
The fraction is 1/15 and the decimal is 1.15
5 0
3 years ago
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