Juanesb101 Juanesb101

15-01-2019
Mathematics

contestada

the sum of two number is 70 and their difference is 24. write a system of equations to find the two number

Respuesta :

biridianasanche biridianasanche

15-01-2019

Answer:

The two numbers are 23 and 47.

Step-by-step explanation:

Let the integers be x and (70-x)

x - (70-x) = 24

2x - 70 = 24 (collect terms)

x - 35 = 12 (divide both sides by 2)

x = 47 (add 35 to both sides)

(70-x) = 70 - 47 = 23

Answer Link

Otras preguntas

what is the cubic root of - 250

A sequence has an initial value of 10 and each term is twice the previous term. Which function models this sequence?1) a(n)=10(2)^n2) a(n)=10(2)^n-13) a(n)=10+2

what is the answer to this question -√(12)+5√(75)

Explain how engineers and scientists may work together to produce a protein in the lab.

What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W

In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?

20% of my money is £2.55 What is 2/5 of it?

A sequence has an initial value of 10 and each term is twice the previous term. Which function models this sequence?1) a(n)=10(2)^n2) a(n)=10(2)^n-13) a(n)=10+2

what percentage of 1457 is 898?

What are the origins of prevailing ideas about natural, ideal, and deviant bodies in sports and in society?