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

If f(x) is 4x-3 what is (f^-1of) (10)
You would expect a phosphorous-chlorine bond to be 1. nonpolar, with the neither end having a partial charge. 2. polar, with neither end having a partial charge
How would you define psychological realism?
f f(x) = 2x2 and g(x) = 3x, what is (g o f)(x) a. 6x2 b. 9x2 c. 18x2 d. 8x4
which foods earthworms can digest?
write an equation that is perpendicular to the line y = 2x + 13?
The Commissariat established by Frederick William in Prussia became A. the overseer of the army. B. an agency of civil government. C. both a military and civil
can u tell me how to solve this promblem 4/7 plus 3/7
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b
What is the probability of someone correctly guessing your Social Security number? (Assume all digits 0-9 are available for use)a