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Masja [62]
3 years ago
12

A scientist builds a Mars rover that can travel 4.9 centimeters per second on flat ground. If the rover continues at the same ra

te, how many centimeters will it travel in 15 1/2 seconds?
Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

The rover would travel 75.95 centimeters in 15 1/2 seconds.

Step-by-step explanation:

Simply multiply 4.9 by 15 1/2.

Hope it helps!

gavmur [86]3 years ago
7 0

Answer:

75.95 cm

Step-by-step explanation:

We know that distance = rate  times time

d =rt

We know the rate = 4.9 cm/s

and time = 15 1/2 s = 15.5 s

Substituting these into d=rt

d = (4.9 cm/s) * 15.5 s = 75.95 cm

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note that the zeroes should be x = 1 and x = - 2 not x = - 1 and x = 2

the factors are then ( x - 1 ) and (x + 2)

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the third zero is x = 5

check : (5)³ -4(5)² - 7(5) + 10 = 125 - 100 - 35 + 10 = 0




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