Josuesantiago84 Josuesantiago84

01-06-2018
Mathematics

contestada

Solve the system of equations 2r + 2s = 50 and 2r – s = 17. A. r = 3, s = 11 B. r = 25, s = 33 C. r = 14, s = 11 D. r = –8, s = 33

Respuesta :

alarisaT alarisaT

01-06-2018

[tex]2r = 17 + s = 50 - 2s \\ 3s = 50 - 17 = 33 \\ s = 11 \\ \\2 r = 50 - 2s \\ 2r = 50 - 2 \times 11 = 50 - 22 = 28 \\ r = 14[/tex]

C. r=14, s =11

Answer Link

Otras preguntas

the sum of two integers is -1. the product of the integers is -72 find the integers.

Who was President during World War I?

In what month do we vote for President?

What is the supreme law of the land?

what are the functions of Holloware

The concentration of a solution can be expressed in (I ) milliliters per minute (2) parts per million (3) grams per Kelvin (4) joules per gram

Who was President during World War I?

what is the cause to air pollution??? please help me!!!!

Given the balanced equation representing a reaction: O2 --> O + O What occurs during this reaction? (1) Energy is absorbed as bonds are brok

A bird flies 2.8 due west and then 2.7 due north. Another bird flies 2.7 due west and 2.8 due north. What is the angle between the net displacement vectors for