live4dramaoy0yf9
live4dramaoy0yf9
12-02-2019
Mathematics
contestada
Solve the proportion. Help ASAP!
Respuesta :
Cathi
Cathi
15-02-2019
You need to cross multiply.
(t+7)(t+7)=t^2+7t+7t+49. t^2+14t+49
9*25=225
t^2+14t+49=225
Subtract 225 from both sides
t^2+14t- 176=0
(t-8)(t+22) =0
8 and -22
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