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
Answer Link
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
Is economic equality an attainable goal?
let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).
7.25 times 8 1/2= what?
the difference of two numbers is 11 and their product is 42.find these numbers.
For what values of the variable is each rational expression undefined2x-3/2x-1( step by step please)
Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2
let f(x)=2x-6. solve f^-1(x) when x=2.
7.25 times 8 1/2= what?
let f(x)=x^2 - 16. find f^-1(x).
What does the random variable (r) for a binomial experiment of n trials represent?
