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 is a predella? a. the sides of a triptych b. a platform on which an altar stands c. a winged triptych d. none of the above

_____ help fertilize the soil by shedding digestive material

The male reproductive system includes a. the ovary. b. the cervix. c. the vas deferens. d. the fallopian tubes.

What is produced when there is a current in the primary coil of a transformer?

The spread of Hellenistic culture a. created an educated peasant class. b. increased the wealth of the middle class. c. created a culture of wealthy priests.

Which is a cause of polarity in water molecules? partial negative charge on the hydrogen atoms partial positive charge on the oxygen atom high electronegativity

Root words are always four letter words? TRUE or FALSE

help me with the second one because I don't know how to do it

Juan rides his bike with a constant speed of 20 km/h. How long will he take to travel a distance of 30 kilometers?

The image formed by a plane mirror is _____.