saiful saiful
  • 03-10-2016
  • Mathematics
contestada

If A+b=76,a-b=36,a/b=?

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 08-10-2016
a + b = 76 . . . (1)
a - b = 36 . . . (2)

(1) - (2) => 2b = 40
b = 40/2 = 20

From (1), a + 20 = 76
a = 76 - 20 = 56

Therefore, a/b = 56/20 = 2.8
Answer Link

Otras preguntas

blacklisting and the house un-american activities committe​
The east coast megalopolises faces serious problems because of
I have to write an essay about Quantum Mechanics. I need to know everything about it. Please Help!
PLSS HELP asap thank you
What is the value of x? x=15 x=30 x=37.5 x=52.5
I need help please???):
What is the leading coefficient of the function f(x)= 3x^5+6x^4-x-3
Can somebody help and show there work I don’t understand this PERIOD. I need help ASAP
Which describes the transition from one scale to another in the same piece of music? A) Modulation B) No cable C) Key signature or D) Call and response
HELP ASAP evan is sewing trim on a pair of shorts. he needs four equal length pieces of trim to put two stripes down each side of the shorts. the teacher gives