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

Why was reconstruction of the south likely to be a difficult process?

Why was Georgia governed by different rules than the other southern colonies

Maggie bought 2 boxes of cupcakes for her daughters. She ate one cupcake herself and told her 3 daughters to share the remaining cupcakes equally. If there were

What event led to Theodore Roosevelt becoming President? A. Elections were rigged in several states. B. The election was tied and a re-vote resulted in Roosevel

Which of the following ideas is associated with laissez-faire economics? A.command economy B.free market economy C.mixed market economy D.socialist economy E.tr

Which is the entire verb phrase in this sentence? Couldn't he have been to the store and back by now? A. could have B. have been C. could have been D. couldn't

An elevator can hold a maximum of 1,500 pounds. Eight people need to use the elevator. Bill had some measures from the data set of how much each person weighed.

find three consecutive even numbers whose sum is 96?

why are rain forest so important?

Translate this verbal description into an algebraic expression and then simplify: 60% of the product of one-twelfth y and two-thirds z