anonymous
  • anonymous
when you have a word problem, how do you determine the variables and how do you determine what is dependent and independent?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
usually what you are looking for will be represented by a (or the) dependent vairable.
anonymous
  • anonymous
@pgpilot326 would you mind if I send you the problem ?
anonymous
  • anonymous
try another of the heavy hitters... i've actually got to run right now.

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anonymous
  • anonymous
@pgpilot326 Ok . Thanks though !
anonymous
  • anonymous
@satellite73 can you help this person?
anonymous
  • anonymous
have a good day!
anonymous
  • anonymous
@pgpilot326 Thank you, you do the same.
anonymous
  • anonymous
sure what is the question exactly?
anonymous
  • anonymous
@satellite73 Write the equation for each situation. Do not solve. Define variables and state which one is independent and which one is dependent. Jason spends $1,100 buying supplies and equipments for his cleaning business. He charges $12 per hour. Write an equation for the profit that he would earn for hours worked.
anonymous
  • anonymous
if he works 100 hours he makes \(\$12\times 100=\$1200\) for a profit of \($1200-1100=\$100\)
anonymous
  • anonymous
if he works 200 hours he makes \(\$12\times 200=\$2400\) for a profit of \(2400-1100=\$1300\)
anonymous
  • anonymous
now lets say he works \(x\) hours
anonymous
  • anonymous
replace \(100\) or \(200\) by \(x\) and see that he makes \(\$12\times x\) total, and therfore a profit of \(12x-1100\)
anonymous
  • anonymous
ok, I see. Now how do we determine the variables and what is dependent and what is independent ?
anonymous
  • anonymous
the "independent variable" is what i called \(x\) the number of hours worked
anonymous
  • anonymous
the "dependent variable' i did not use that would be the amount of profit
anonymous
  • anonymous
if we called the profit \(y\) then we could write \[y=12x-1100\]
anonymous
  • anonymous
if you are a bit confused by the "independent dependent" business you should be in this case we are supposed to think that the number of hours worked is the dependent variable, because the amount of money earned "depends" on the number of hours worked
anonymous
  • anonymous
@satellite73 ohhhh ok I get it, because I was a bit confused. This is what I have, it may be wrong. y=12x-1100 ?
anonymous
  • anonymous
yes that is right
anonymous
  • anonymous
@Yayyy !!! ok. Thank you so much ! I really do appreciate all of your help.
anonymous
  • anonymous
@satellite73
anonymous
  • anonymous
yw

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