emilymelissamar emilymelissamar

21-12-2017
Mathematics

contestada

1) 4x-7y=3
x-7y=-15

2) 9x+8y=15
9x+8y=30

Respuesta :

rgilinski rgilinski

21-12-2017

1) x=6, y=3
2) no solution

Answer Link

Otras preguntas

Which statement best defines the term imperialism? A. belief in the absolute power of the emperor B. a strong sense of attachment to one's own country C. an eco

how does immune system work together with the circulatory system

Smaller cells have a(n) _________ surface area to volume ratio. a. larger b. smaller c. equal d. none of the above

Which organs are responsible for producing fluid to give sperm nourishment and motility?

. In a famous speech, William Jennings Bryan A. refused to be allied with the so-called "silverists." B. declared his staunch support of the gold standard. C. r

Which of these answers refers to a genotype? Select one: a. ADC b. AbCd c. aa d. ADcc

Which best describes the purpose of the Electoral College in the United States? chooses the winner of an election if the popular vote is disputed reduces the nu

is a blue whale, rosebush, mushroom, algea, or pine tree a heterotroph or auto troph

Which element is classified as a noble gas at STP? hydrogen oxygen neon nitrogen

How does ATP store energy for life's processes and how is it recycled?