Answer:
Property : a^-b = 1/a^b
Using this property, we can rewrite the expression using positive exponents :
A train traveling 200 miles per hour for 1 1/2 hours covers the same distance as one traveling at 75 miles per hour for how many
1 answer:
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Answer:
which simplifies further to
and combine the -2 and -3 to get [tex] -\frac{1}{2}x^2-2x-5 [\tex]
Hope this helps :)