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SSSSS [86.1K]
3 years ago
5

A repairman charged $93.06. The price included 2 hours of labor and a $40 service charge.

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
7 0

Answer:

$26.53

Step-by-step explanation:

NISA [10]3 years ago
5 0

Answer:

$26.53

Step-by-step explanation:

93.06-40=53.06

53.06÷2=26.53

<h2><u><em>Could I please have Brainliest?</em></u></h2>
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The angle of elevation of a tower, 45 m high from a ball on the ground 52 degree (a) how far is the ball from the foot of the to
blsea [12.9K]

The distance of the ball from the foot of the tower is : 35.18m

The ball would be moved 57.2m away from the foot of the tower for the Angle of elevation to be halved.

<h3>What is angle of elevation?</h3>

Angle of elevation is the angle formed between the horizontal and the  line of view from the vertical.

Analysis:

The height of the tower and the distance of the ball from the foot of the tower form a right angle triangle.

so we use trigonometry.

a) let distance of the ball from foot of tower be x.

  so that, tan 52 = 45/x

  x = 45/tan52

  x = 45/1.279 = 35.18m

b) let the distance of the ball in the new position from the foot of the tower be y.

if the angle of elevation is halved, then new angle is 52/2 = 26°

 tan 26 = 45/y

y = 45/tan26 = 45/0.487 = 92.4m

distance moved from old position to new position = 92.4 - 35.18 = 57.2m

In conclusion, the distance of the ball from the foot of the tower and the distance the ball should move to make its elevation 26° are 35.18m and 57.2m respectively.

Learn more about angle of elevation: brainly.com/question/88158

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4 0
2 years ago
Leonard is studying the relationship between the fuel efficiency in miles per gallon (mpg), y, and the speed in miles per hour (
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Answer:

D. There is a nonlinear relationship between the speed and fuel efficiency.  

Step-by-step explanation:

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Leonard's plot is definitely nonlinear.

The residuals show a good fit to a parabola.

This suggests that the relation between speed and fuel efficiency may be parabolic.

 

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Step-by-step explanation:


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3 years ago
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