arihantmishraagoram arihantmishraagoram
  • 16-05-2020
  • Mathematics
contestada

The sum of two numbers is 13, the difference is 4. What are the numbers?.

Respuesta :

hoanganh384628 hoanganh384628
  • 16-05-2020

Answer:

a = 8.5

b = 4.5

Step-by-step explanation:

let 2 number be a ,b

a + b = 13  (1)

a - b = 4    (2)

(1) + (2) = 2a = 13+4 = 17 -> a = 8.5

-> b = 8.5 -4 = 4.5

Answer Link

Otras preguntas

Select the product of (7x - 2)(7x + 7).
what is the theory that tax cuts can raise supply called
Create the shortest poem ever in world history. This you do, your name could be on the Guiness World Records!
How do round, spiral, and rod-shaped bacteria look like?
Which words in the sentence make up the appositive phrase? Mrs. Guerrero, the president of the historical society, is retiring next summer. A. Mrs. Guerrero
Solve each compound Inequality. 42. -2 ≤ d + 1/2 < 4 1/2 44. 2t ≤ -4 or 7t ≥ 49 46. -1 ≤ a - 3 ≤ 2 48. A town's high temperature for a given month is 88 degr
Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n
Here is a sequence of shapes made from squares and circles. The sequence continues in the same way. The formula for the number of circles (c) in shape number (n
If a=3 and b=5, what is the value of 3a + b to the power of 2?
what is 16,700,000,000,000,000 estimated as the product of a single digit and a power of 10