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

What three ways can you measure matter?

how to kill a question about your assignment

Which form of the verb tomar best completes this sentence? Doctor: Tenga la receta y __________ las medicinas siguiendo las indicaciones. A.) tomo B.) tome C.)

Which of the following statements is false? A. An amendment can be proposed by a 2/3 vote in the House of Representatives. B. An amendment can be proposed a na

What is the surface area of a storage box that measures 15 cm x 12 cm x 10 cm

Is the ability to identify the bones of the body an inherited trait?

similarities between genotypes and phenotypes? Only similarities please!

White skin a recessive trait, So if a white person had children with a black person, would ALL of their children be black? No matter if the Black person was the

Please explain whether it's true or false? Thanks

How much did the Louisiana Territory cost?