Kazley2113 Kazley2113

23-01-2018
Mathematics

contestada

The sum of two numbers is 45 and there difference is 5 what are the two numbers?

Respuesta :

anchitthawi anchitthawi

25-01-2018

a+b= 45 ----(1)
a-b= 5 ----(2)

(1)+(2) 2a=50
then a= 25
so b=45-25= 20

so that the two numbers are 20 and 25

Answer Link

Otras preguntas

A potter use 3/5 of a pound of clay to make a bowl.How many bowls the potter make from 10 pounds.

2x squared + 9x=-5 i need to solve for x

6 main zones of the marine biome

A box contains bags of crisps. Each bag of crisps weighs 25 grams. Altogether, the bags of crisps inside the box weigh 1 kilogram. How many bags of crisps are

Calculate the discriminant. x2 – x – 2 = 0

4m-5t=-22 5m+6t=-3 Solve by Elimination

Determine the equation of the line, in point-slope form, that will get your spacecraft from Point A (0,3) to Point B (-3,0)

I need help solving x^2+3xy-y^2=12 and x^2-y^2=-12

A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallwa

What value of c makes x^2 +5x+c a perfect square.