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 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

if an equation of the linear function in the figure above is y=mx=b, than m=
Who owned everything in Egypt? a. shah b. pharaoh c. people d. priests
Why was Battle of Bull Run important?
The spread of Western monasticism was due largely to: a. St. Basil. b. St. Anthony of Egypt. c. St. Benedict.
An outline may consist of either phrases (topics) or sentences. a. True b. False
Which of the following sources might contain research that would support the assertion? "The uniform jerseys will serve as inexpensive advertising."
In his book The Prince, _____ wrote a guide to rulers on how to gain and keep power. a. Niccolò Machiavelli b. Isaac Newton c. Leonardo da Vinci d. Nicolaus
How do farmers plant rice in the lowland areas? (Describe)
Jason is going to cook brownies in a rectangualr pan. The pan measures 11 in. long by 8 in. wide by 3 in. tall. He must cover the inside of the pan with cooking
what times what equals 50000