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suter [353]
3 years ago
11

Your plumber charged a fee of $60 and an additional $21.50 per hour for a repair visit. Your bill was $124.50. How long was the

plumber’s repair visit?
Mathematics
1 answer:
vodomira [7]3 years ago
8 0

First, subtract the fee to the final bill amount.

124.50 - 60 = $64.50 (amount paid for the total visit hourly without fee)

Second, divide to find how many hours the plumber took to repair.

64.50 / 21.50 = <u>3 hours</u>

______

Best of Luck,

Wolfyy :)

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8 0
3 years ago
2 planes leave the airport at the same time. their speeds are 140 mph and 170 mph and the angle between their courses is 25 degr
Damm [24]

Answer:

183.27miles

Step-by-step explanation:

Note that we are considering two planes.

Plane 1

Speed = 140 mph

Time = 2.5 hours

Distance = ?

Speed = distance/time

140 mph = distance/2.5hrs

Distance = 140×2.5

= 350miles

Plane 2

Speed = 170 mph

Time = 2.5 hours

Distance = ?

Speed = distance/time

170 mph = distance/2.5hrs

Distance = 170×2.5

= 425miles

The angle between side is 25 degree

From cosine rule

c^2 = a^2 + b^2 − 2abcos(tetha)

Where a = 350

b = 425miles

c^2 = 350^2+425^2-2(350×425)(cos25)

c^2 = 122500+180625-297500(0.906)

c^2 = 303125-269535

c^2 = 33590

C = √33590

C = 183.27miles

The distance they flew apart after 2.5hrs is 183.27miles

5 0
3 years ago
Question is in picture below ​
klasskru [66]

Answer:

\frac{y - 18}{x - 1}  =  \frac{23 - 18}{1.5 - 1}  =  \frac{5}{0.5}  = 10 \\ y - 18 = 10(x - 1)  = 10x - 10 \\ y = 10x  + 18 - 10 = 10x + 8 \\  \boxed{f(x) = 10x + 8}

<h2>A. is the right answer.</h2>

hope this helps.

5 0
3 years ago
Solve for
Mnenie [13.5K]

Answer:

h is 5

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5 0
2 years ago
1. Determine the<br> square units of the<br> figure below.
Likurg_2 [28]

Answer:

10

Step-by-step explanation:

4 0
2 years ago
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