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

who built the first plane

How can this source best be used? • to support myths about chlamydia • to challenge reliable information about chlamydia • to confirm information found in a ne

Engine oil (unused) flows at 1.81 x 10^-3 kg/s inside a 1-cm diameter tube that is heated electrically at a rate of 76 W/m. At a particular location where flow

Determine if the following equation represents a function: y = 1/3x – 4

((ASAP)) you guys I’m slow idk Using the underlined words, what change, if any, should be made to the sentence? These events for which Friar Laurence is at faul

Calculate the grams of calcium present in 70 grams of calcium chloride.

What is the y-intercept of the line shown? A -1 B 0 C 0.5 D 1

The roots of Billy's plant grew to 3 inches beneath the Earth’s surface. Graph all the possible depths the roots can continue to grow. Can somebody help please?

When an author uses actions, thoughts, and speech to show the reader who a character is, the author is using

Q7 Calculate the volume of asphere with diameter of 4.2mm.