jhon2345677 jhon2345677

02-11-2016
Mathematics

contestada

solve each system by substitution x+12y=68
x=8y-12

Respuesta :

PhantomRealm PhantomRealm

02-11-2016

substitute x=8y-12 into first equation
8y-12+12y=68
20y=68+12
20y=80
y=80/20
y=4

substitute y=4 in 2nd equ
x=8(4)-12
x=32-12
x=20

Answer Link

Otras preguntas

Find the exact value of s in the given interval that has the given circular function value. Do not use a calculator. [π, 3π/2]; sin s= -1/2 s= ___ radians

The standardized IQ test is described as a normal distribution with 100 as the mean score and a 15-point standard deviation. 2. What is the Z score for a score

I need help with the explanation of A and B

Find the area 5cm 19cm 27cm

What describes earth’s magnetic flow

What should you do when the bread is finished baking?

Who will manage the Common Core State Standards in the future?A) CCSSO and NGAB) NEA and AFTC) Federal governmentD) Not mentioned

Teaching performing arts raises the intelligence of learners. True or false

Escribe una ecuacion para representar cada colgador

two people share $85 in the ratio 3 : 7.how much does each person receive?