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

Of the following options, what could be a possible first step in solving the equation −7x − 5 = x + 3? Adding 7x to both sides of the equation Subtracting 5 f
If you had four blue cards, four red cards, and four yellow cards in a deck, what are the chances of drawing a blue card on your first try?
What helps prevent errors in DNA replication
The science of classifying organisms based on features they share is called _____.
Where are valleys, canyons, plains and volcanos found?
jayne purchased a home for 240000 with a down payment of 48000. The rate of interest was 5-3/4 for 30 years. What was her monthly mortgage payment
What is most likely the purpose of radiation detection on robotic rover Curiosity?
Solve this please :) : y" + 8y' +15y =4x^2
All of the following are true statements about the Battle of Fredericksburg EXCEPT which of the following? A. General Lee defeated General Burnside. B. The Un
In Things Fall Apart, Achebe writes the Igbo characters’ dialogue in a formal, archaic manner in order to achieve what effect? Select all that apply. a.to evoke