clarissabarajas58 clarissabarajas58

03-02-2021
Mathematics

contestada

The sum of two numbers is 20. Their difference is 4. What are the numbers? Use the variable A & B

Respuesta :

s141410caditi13881 s141410caditi13881

03-02-2021

Answer:

x + y = 20

x - y = 4

Add the 2 equations and get

2x = 24

x = 24/2 = 12

Plug x=12 into either equation and get

y = 8

Answer Link

tabithaglewis tabithaglewis

03-02-2021

Answer:

Step-by-step explanation:

A+B=20

12 and 8

There is a difference of 4 between them and they add up to 20.

Answer Link

Otras preguntas

A historian using the thinking skill of primary source analysis might:

Which best explains why Britain restricted trade with the colonies? to restrict access to Britain’s goods as punishment to ensure that trade generated taxes for

how many 5/8 pounds are in 16

Haley has bottles that hold 678 pennies each about how many pennies does she have if she has six bottles filled with pennies

round 38.86 to one decimal place

Nine fewer than half a number is five more than four times the number. Define a variable, write an equation, and solve to find the number.

What is the cost of 8 twelve packs of soda if the cost of 3 twelve packs are $8

Lisa is standing on a dock beside a lake. She drops a rock from her hand into the lake. After the rock hits the surface of the lake, the rock's distance from

How is the process used to divide fractions similar to the process used to multiply fractions?

What is genetic code?