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

Who was not a member of Rome’s First Triumvirate? a. Caesar b. Pompey c. Crassus d. Octavius
At what rate does gravity cause objects to accelerate at sea level on earth
If a robin builds a nest in a big tree, the robin benefits and the tree is not helped or harmed. This type of symbiotic relationship is called commensalism, and
Which of these forces attract a positive charge towards a negative charge? a. gravitational force b. electromagnetic force c. weak nuclear force d. strong nucle
Which factors caused crops to stop growing in Sumer? Choose all answers that are correct. a. salty soil b. poor drainage c,pest infestations d. extended drought
Which of the following is a true difference between prokaryotic and eukaryotic cells? a. Eukaryotic cells have true nuclei. b. Eukaryotic cells are smaller. c.
what are integers that are not whole numbers
What does a hero usually do shortly before embarking on his quest?A) Condition himself physicallyB) Spend time in isolationC) None of these are correctD) Go ove
which expression has a value that is less than the Base of that expresion
What is the different between child growth and child development?