Make two equations from the information. Then graph them and see where they intersect. The answer is 62 miles. Plug 62 back into both equations and they should both be the same number.
Jade has grades of 91 and 90 in Math. What grade must she obtain on the third quarter to get an average of 91?
1 answer:
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Answer:
Step-by-step explanation:
Start by factoring out a 5:
We need to find two integers that have a product of 12, and a sum of -7:
(-3)(-4)=12
-3-4=-7
We can split -7x into -3x and -4x
Factor each half separately:
Since x and -4 are both being multiplied by x-3, we can combine them: