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loris [4]
3 years ago
15

Suppose a family starts out 50 miles from home at time t = 0. They travel away from home at a constant speed of 45 miles an hour

. What's the equation that tells you how far they'll be from home t hours later? (Assume d is distance in miles.) A. d = 45t + 50 B. d = 45t C. d = 50t D. d = 50t + 45
Mathematics
2 answers:
sashaice [31]3 years ago
7 0
At t = 0  d = 50.
At time = 1 hour , d = 50 + 45(1)
At time = 2 hours, d = 50 + 45(2)

So its d = 50 + 45t  or  d = 45t + 50

Choice A is the correct one.
skelet666 [1.2K]3 years ago
3 0
50 miles, t=0 is the start
45 miles each 1 hour

A. d= 45•t+50
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