Lines cand dare perpendicular. If the slope of line c is -4, what is the slope of line d?
1 answer:
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Answer:
Yes,
You need 88 points.
Step-by-step explanation:
What you need to do here is to set up an equation using algebra (I do this in my master's degree to determine my grade).
= 400
x = 320
Your target required points is 320.
320 - 232 = 88 points.
You need 88 points on the exam to get the 80%.