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

evaluate expression when a=5 b= -3 6a-b

The characteristics of certain cell divisions are described in the following table. Cell Division Characteristics Characteristic Description 1 Takes place in sk

Assume that the top executives of the major airlines meet and agree to reduce the number of flights as a means of reducing the supply of available seats, thereb

3. How can it be said that courts adjudicate the allocation of the costs of a consumer-oriented economy?

Mr. Olin bought 6 sketchbooks for the students in his art class. Each sketchbook was on sale for $3 off. If the sketchbooks cost $18 total before tax, what was

To provide energy for the work that cells do, all cells need

Neurospora is an ideal organism to study the effects of genetic mutations because of several reasons. What is one of these

What is an approach for service firms trying to accelerate the creation of their own expert performers

If charge on only one object is tripled, determine the new force between them:

How long must one wait (to the nearest year) for an initial investment of $1,000 to triple in value if the investment earns 8% compounded annually