TheaterNerd
TheaterNerd TheaterNerd
  • 03-08-2018
  • Mathematics
contestada

In the system –12c + 3d = 6 and –3c + 6d = –9, which expression could you use for substitution?
A. d = –1/2c – 3/2
B. c=-2d+3
C. c = 1/4d – 1/2
D. d = 4c – 2

Respuesta :

choixongdong
choixongdong choixongdong
  • 03-08-2018

–12c + 3d = 6

12c = 3d - 6

c = 1/4 d - 1/2

Answer is

C. c = 1/4 d – 1/2

Answer Link

Otras preguntas

Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
2(n-3)=4n+1 this sucks not knowing the answer
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies one inequalities but not them all
Write this statement as a conditional in if-then form: All triangles have three sides. A) If a figure is a triangle, then all triangles have three sides.B) If a
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
What is a Mandala Autobiography?
What is a Mandala Autobiography?
Round 13 513 to the nearest thousand
One way to show that a statement is NOT a good definition is to find a _____ converse.conditional.counterexample.biconditional.