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anonymous
 3 years 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).
anonymous
 3 years 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).

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mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363489482623:dw

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0You need a common denominator which is (x + 60)(x + 70)

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363489750699:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Mathstudent why did you give her the wrong answer

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i would go with cross multiplying.

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0@Ghazi_Jr Why am I wrong?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363489909549:dw

mathstudent55
 3 years ago
Best 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.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0ahh, my bad. i read the question wrong. thank you @mathstudent55

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363490250241:dw

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363490323918:dw

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363490424809:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Wait o: answer was 20(34x+2155)/(x+60)(x+70)

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0Just factor the numerator. 680x + 43100 = 20(34x + 2155)

mathstudent55
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1363490918059:dw
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