anonymous
  • anonymous
i need the answers to all of these, can someone plss help! i need to be finished before 2:30 3.Solve: negative 1 over 2 x + 2 = –x + 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Drey makes $10 an hour plus $15 an hour for every hour of overtime. Overtime hours are any hours more than 40 hours for the week. Part A: Create an equation that shows the amount of wages earned, W, for working x hours in a week when there is no overtime. Part B: Create an equation that shows the amount of wages earned, S, for working y hours of overtime. Hint: Remember to include in the equation the amount earned from working 40 hours. Part C: Drey earned $490 in 1 week. How many hours (regular plus overtime) did he work?
anonymous
  • anonymous
1. 2x+12=18 or 2x+12=-18
anonymous
  • anonymous
So x is 3 or -15

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anonymous
  • anonymous
okay thanks!
anonymous
  • anonymous
Wlc, number 3 BTW can be solved by multiplying both sides by 2x+2 Then the equation will develop to: -1=(2x+2)(-x+2) Expand the RHS and solve quadratic equation by any method
anonymous
  • anonymous
But always remeber, in similar question recheck the answers that it satisfies the original equation
anonymous
  • anonymous
so the answer would be 10? @Ahmad-nedal
anonymous
  • anonymous
I don't believe it would, in fact there's probably 2 answers
anonymous
  • anonymous
You can use the quadratic formula to solve the eqatuon in one shot

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