BRAINLIEST ASAP! PLEASE HELP ME. :)
1 answer:
<h3>
Answer: Perpendicular</h3>
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Work Shown:
Solve the first equation for y
3x+7y = 15
7y = -3x+15
y = (-3x+15)/7
y = (-3/7)x + 15/7
The slope here is -3/7
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Solve the second equation for y
7x-3y = 6
-3y = -7x+6
y = (-7x+6)/(-3)
y = (7/3)x - 2
The slope here is 7/3
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The slopes -3/7 and 7/3 are not equal, so we don't have parallel lines.
The lines however are perpendicular because the slopes multiply to -1
(-3/7)(7/3) = (-3*7)/(7*3) = -21/21 = -1
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Answer:
a. 1 hour and 32 minutes b. 8:07
Step-by-step explanation:
a.8:34-7:02
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i’m sorry if that doesn’t help but it works out right to me
have a good day hun xox