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

Craig solves the following system of equations using the elimination method. 2x+4y=164x+8y=−16 He chooses to eliminate the variable y. Which statement correct d

Enzymes can accelerate reactions by:___________. A) binding a substrate or substrates. B) promoting the removal or addition of protons. C) correctly position

-2 1/4 / (-1 1/2) = A) 1 1/2 B) -1 1/2 C) 3 3/8 D) -3 3/8

PLEASE HELP ME PLEASE!!

PLEASE HELP !! Which words best describe the author's feelings about the day? 1. happy and exhilarated 2. battered and exhausted 3. angry and frustrated 4. eas

Please I need help ASAP

First-person to answer all answer correctly with Explanation get Brainliest To transmit information on the internet, large files are broken into packets of smal

What government policies helped the economy recover from the post war recession

What did Cairo and Timbuktu do with the wealth they gained from trading salt and gold?

The universe began in an incredibly hot and dense state about 13.8 billion years ago. Since this time, it has been rapidly expanding, causing galaxies to move a