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

eska answer batado please

Select the 2 values of X that are root of this equation X² + 2X (-6) = 0

Joel, Ben, and Luke are each wearing a hat with a number on it. Each person adds the two numbers on the other two hats, giving totals of 11, 17, and 22. What is

Phycobiliproteins are complex proteins in cyanobacteria that absorb light energy. There are three kinds of phycobiliprotein molecules used to pass light to chlo

Marcie cooked dinner for herself. The original recipe has a serving size of 2 and requires two and two thirds pounds of chicken. How many pounds of chicken will

What is Sea Floor Spreading in Simple Words?

a string along which waves can travel is 2.70 m long and has a mass of 260.0 g. the tension in the string is 36.0 n. what must be the frequency of traveling wav

How did Arriane Serafico use the word "revolution" in her talk? How did she handle her own revolution?

help me again now i will have a little more

The sum of two numbers is 54. The larger number is 16 more than the smaller number. What are the numbers?