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Sati [7]
3 years ago
9

The formula s = sqrt 30fd relates the speed S in miles per hour a car was traveling to the length d in feet that the car skidded

when brakes were applied. The variable f is the coefficient of friction, which varies depending on the road surface and the condition of the tires. Which set of numbers contains the value of S for f = 0.5 and d = 63?
* sqrt = Square Root

Select one:

a.
whole numbers

b.
irrational numbers

c.
integers

d.
rational numbers
Mathematics
1 answer:
pishuonlain [190]3 years ago
3 0

Answer:

b.

Step-by-step explanation:

30×0.5×63 = 945

this is not a square number. therefore, the sqrt(945) is a number of infinite digit positions after the decimal point without repeating pattern.

so, it is a prime example of an irrational number.

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