What is the percent decrease on a dvd recorder that is marked down from $400 to $350
1 answer:
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Answer:
v = ±
Step-by-step explanation:
Given
E = ( multiply both sides by 2 to clear the fraction )
2E = mv² ( divide both sides by m )
= v² ( take the square root of both sides )
v = ±
That's the answer to your question.
