timothy566 timothy566

03-01-2017
Mathematics

contestada

use substitution to solve s+a=4 and 35+5a=2550

Respuesta :

03-01-2017

35+5(4-s)=2550
35+20-5s=2550
55-5s=2550
-55 -55
-5s = 2495
s = - 499

-499 + a = 4
+499 +499
a = 503

Answer Link

olemakpadu olemakpadu

03-01-2017

s + a = 4

35 + 5a = 2550

From the second equation:

35 + 5a = 2550

5a = 2550 - 35

5a = 2515

a = 2515/5

a = 503

From s + a = 4

s + 503 =4

s = 4 - 503

s = -499

Therefore a = 503, s = -499

Answer Link

Otras preguntas

The value of a new truck decreases exponentially at a rate of 4.8% per year. If the purchase price of the new cars $42,000, how much is the car work by the time

how has woman gaining rights to vote change the united states

Describe the factors that led to the collapse of the Russian Empire after 1900

Which person believed that only a powerful government could ensure an orderly society? Group of answer choices A. Voltaire B. John Locke C. Adam Smith D. Thomas

Instructions: Place a T beside those statements you think are true and an F beside those statements you think are false. Anticipation Statements: Global warmin

A mother has hemophilia, and the father is unaffected. What is the probability that their son will have hemophilia? Their daughter?

In a certain area of a large city, it is hypothesized that 40 percent of the houses are in a dilapidated condition. A random sample of 75 houses from this secti

how does alcohol lead you to depression, thoughts of unaliving yourself and violence. Make sure to explain

3 1/2 x 2 1/2 pls help ASAP!!!!

Find the following verse in the Book of Psalms. Study the verse and write the synthetic parallel that the verse uses. Psalm 95:3