01-12-2014
Mathematics

contestada

substitution method-
r = -3s
r= 10 - 4s

Respuesta :

01-12-2014

[tex]r=-3s\\r=10-4s\\\\-3s=10-4s\ \ \ \ |add\ 4s\\-3s+4s=10\\s=10\\\\r=-3\cdot10=-30[/tex]

Answer Link

Otras preguntas

2C2H2(g) 5O2(g) → 4CO2(g) 2H2O(g) This is a balanced equation for the combustion of acetylene(C2H2). How many moles of oxygen(O2) are required to react complete

Evaluate 3 x 10^)(1.5 x 10-5).

What distinguishes a neuron from most other cell types?.

The price of a watch is $50 more than twice the price of a gold ring. Let the price of the ring be $x. (a) Express the price of the watch in terms of x. (b) If

The length of the base of the triangle is 6x -2 meters, the height of the triangle is (3x+2)². find the algebraic expression of the area of the triangle (area=b

What two things must happen for DNA to be analyzed from a crime scene?

PLEASE HELP DUE IN 20!! thank u

6) The truck groaned under the strain of its load Is it metaphor or personification or simile or alliteration?????

1. Explain the conditions under which a dictatorship exists.

Help meh plz Solve: 2x - 3 = 2x - 5 A)-2 Β) 0 C) 5/3 D) no solution