victoria72001 victoria72001

20-05-2017
Mathematics

contestada

How many solutions does the system of equations have?
3x+12y=20
y=-1/4x+5/3
A) one
B) two
C) infinitely many
D) none

Respuesta :

Genius2017 Genius2017

20-05-2017

The answer is d) none because substituting -1/4x + 5/3 for y in the first equation gives 3x - 3x + 5/3 = 20 so 5/3 = 20 which is not true.

Answer Link

Otras preguntas

During the Renaissance, a strong belief in humanism emerged. "Humanism" means A) that obedience to God was not as important as obedience to the state. B) that t

The Spanish and French both held claim to the Mississippi. True False

U.S. President George Bush ended his five-nation tour of Africa today, pledging billions of dollars for health, education, and development projects around the c

Which factor produced gains in union membership in the United States during the late 19th century and early 20th century? the encouragement factory owners gave

Which language group does spanish and Portuguese come from?

Which best describes the impact television had on the world in the 1940s and 1950s? (Points : 3) Television enabled developing nations to quickly modernize and

Imagine you are a candidate for president. Your campaign manager tells you that Social Security reform is the “third rail of politics” and is considered an issu

a box of nails weigh 0.4 pounds how much do 42 boxes of nails weigh

Find the quotient. 4/5 Divided by 8/9 Simplify your answer.

What is the theory of relativity.