2 years ago

57; 27; 72; 36; 61; 81; 45 From the numbers above, choose a prime factor

Mathematics

1 answer:

Mrrafil [7]2 years ago

3 0

Answer:

Step-by-step explanation:

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A car's speedometer has a percent error of 5%. The speedometer currently shows that the car is traveling at a speed of 60 mph.

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Answer:

The actual speed of the car is either 57 mph or 63 mph

Step-by-step explanation:

Given as :

The measured speed o the car = 60 mph

The percentage error in speedometer = 5 %

Let The actual speed of car = x mph

Now, percentage error = $\dfrac{\textrm actual value - \textrm measured value}{\textrm measured value}$ × 100

So, $\frac{5}{100}$ = $\frac{x - 60}{60}$

or, $\frac{5}{100}$ × 60 = x - 60

Or, 3 = x - 60

∴ x = 63 mph

Hence The actual speed of the car is either 57 mph or 63 mph . Answer

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57; 27; 72; 36; 61; 81; 45 From the numbers above, choose a prime factor​

57; 27; 72; 36; 61; 81; 45 From the numbers above, choose a prime factor