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ratelena [41]
3 years ago
10

*20 points*

Mathematics
1 answer:
raketka [301]3 years ago
6 0
◆ Straight Lines ◆

Hey !!

Check the attachment.
Hope it helps you :)

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ikadub [295]

Answer = 36.0 mph


As per the question,


Actual speed of the car = 40 mph.

Speedometer has a percent error of 10%.

The error can be negative as well as positive.

If the error is negative, it means speedometer is showing less speed than actual speed= - 10%

10  % of 40 = 4

speed shown by speedometer = 40 - (10% of 40) = 36 mph

If the error is positive, it means speedometer is showing more speed than actual speed = +10%

speed shown by speedometer = 40 + ( 10% of 40) = 44 mph

as per the given options, correct option is 36.0 mph

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3x+1

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