U mean y = 0.9^x ...?
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its exponential decay...
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because.. y = (1/e)^x is exponential decay...
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(1/e) < 1
4.2 miles an hour. TBH for this one i googled it.
Answer: x=6, -13/4
Explanation: Solve the equation for x by finding a, b, and cod the quadratic then applying the quadratic formula
Step-by-step explanation:
9kg 375g =9.375g
6kg458g=6.458g
9.375-6.458=2.917g or 2kg917g
I think it might be A because she might have asked the student what they wanted but i hope it helps