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T(x)=230/x+60 +450/x+70
Find a simplified form of T(x) by adding the rational expressions in the function's formula. Then use this form of the function to find T(4).
 one year ago
 one year ago
T(x)=230/x+60 +450/x+70 Find a simplified form of T(x) by adding the rational expressions in the function's formula. Then use this form of the function to find T(4).
 one year ago
 one year ago

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mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363489482623:dw
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
You need a common denominator which is (x + 60)(x + 70)
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363489750699:dw
 one year ago

Ghazi_JrBest ResponseYou've already chosen the best response.0
Mathstudent why did you give her the wrong answer
 one year ago

Hope_nicoleBest ResponseYou've already chosen the best response.0
i would go with cross multiplying.
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
@Ghazi_Jr Why am I wrong?
 one year ago

Hope_nicoleBest ResponseYou've already chosen the best response.0
dw:1363489909549:dw
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
@Hope_nicole This is not an equation where one fraction equals the other. This is a sum of fractions.
 one year ago

Hope_nicoleBest ResponseYou've already chosen the best response.0
ahh, my bad. i read the question wrong. thank you @mathstudent55
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363490250241:dw
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363490323918:dw
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363490424809:dw
 one year ago

ikoreanx3Best ResponseYou've already chosen the best response.1
Wait o: answer was 20(34x+2155)/(x+60)(x+70)
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
Just factor the numerator. 680x + 43100 = 20(34x + 2155)
 one year ago

mathstudent55Best ResponseYou've already chosen the best response.0
dw:1363490918059:dw
 one year ago
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