lauriepdx17
08.10.2021 •
Mathematics
HELP PLEASE. It’s math and I don’t understand.
Solved
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Ответ:
Y = - 0.2X + 5
Step-by-step explanation:
Given that:
Distance between Leah's home and friend's house = 5 miles
Distance X:
After 5 minutes, she is 4 miles from home
After 15 minutes, she is 2 miles from home
Hence ;
Change in distance with time (slope) :
(2 - 4) / (15 - 5) = -2 / 10 = -0.2
Initial distance from home (intercept) = 5
Hence, using the linear equation model:
Y = mx + c
m = slope or gradient ; c = intercept
Y = - 0.2X + 5