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irga5000 [103]
3 years ago
6

A scientist builds a Mars rover that can travel 4.9 centimeters per second on flat ground.

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:

Step-by-step explanation:

distance = time * speed

4.9 =  1 second* speed

speed = 4.9/1 = 4.9 cm/sec

time = 15 1/2 = 31/2

distance = 31/2 *  4.9 = 75.95 cm

tatyana61 [14]3 years ago
7 0

Answer:

75.95cm

Step-by-step explanation:

<u>4.9 multiplied by 15 will represent the 15</u> <u>seconds</u>

4.9 • 15 = 73.5

<u>4.9 divided by 2 will equal the 1/2 seconds</u>

4.9 ÷ 2 = 2.45

<u>add them all together</u>

73.5 + 2.45 = 75.95 cm

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