domrhodes domrhodes

02-03-2017
Mathematics

contestada

one number is 7 more than another number. the sum is 23.

Respuesta :

wolf1728 wolf1728

02-03-2017

A) x = Y + 7
B) x + y = 23

A) x - Y = 7
B) x + y = 23 Adding both equations
2x = 30

x = 15
y = 8

Answer Link

Otras preguntas

True or false: In (r, theta), the value of r can be negative.

Which of the following are examples of exponential decay? - The population of a Florida is increasing by 43% each year. - The pesticide DDT has a half-life

Ship on which Darwin served as a naturalist

In his book Common Sense, Thomas Paine begins to make the colonists think about becoming: A. Kings B. Communist C. Independent D. Loyalists

In "On First Looking into Chapman's Homer" In the octave, Keats compares reading great literature to _____. making great journeys discovering great continents

2 ways in which the carbon is stored for a long time

which religion was introduced to china by the silk road?

Write a concrete poem about a pyramid using literary devices.

How does treatment for a bacterial infection differ from treatment for a virus? You can treat bacterial infections, not viruses, with antibiotics. You can treat

A school has 679 bottles of water for sports day. They buy another 8 packs of bottled water. Each pack contains 6 bottles. How many bottles of water do they hav