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

Which number line represents all of the values of x for the equation x2 = 16? A number line is shown from negative 10 to 0 to positive 10. There are increment

Find the surface area of each figure to the nearest tenth. Show your work. please

An ice hockey ticket cost 14.50 and increased by 7% how much is the ticket

negative 2 to the 3 power

The purpose of a program is to provide listeners with

According to freud, the ___________ of the dream refers to the hidden, symbolic meaning of the dream, which, if correctly interpreted, reveals the unconscious c

An object is thrown upward from the top of an 80ft tower. The height h of the object after t seconds is represented by the quadratic equation h= -16t^2 + 64t +

Holly wants to save money for an emergency. Holly invests $1,100 in an account that pays an interest rate of 8.75%. How many years will it take for the account

If there was a sudden decrease of fungus in a area, explain the impact this would have on the plant population within this environment

What condition is being met when goods are being produced and sold at the lowest possible average cost?