Seudónimo
Seudónimo
18-04-2018
Mathematics
contestada
plz help
and no guessing
Respuesta :
choixongdong
choixongdong
18-04-2018
multiply 1st equation by 5
-5x + 10y = -20
now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0
answer
C. the system has infinitely many solutions
Answer Link
Bladerunner1976
Bladerunner1976
18-04-2018
When I multiply the top equation by 5 I get the following system:
-5x + 10y = -20
5x - 10y = 20
Add them together you then get 0 = 0. Since 0 always equals 0 then the system will have infinitely many solutions
Answer Link
VER TODAS LAS RESPUESTAS ( 62+ )
Otras preguntas
Select the correct answer What is the envelope of gas that surrounds. Earth? A. geosphere atmosphere B c. hydrosphere D. biosphere Reset Next
Mr. Fixit wanted to remodel his business, so he got a loan of $4,300, at a rate of 6 percent interest. He paid this loan off in 8 months. Knowing this, what was
Who served as commander-in-chief of the Continental Army? A. Thomas Gage B. Nathanael Greene C. William Howe D. George Washington Why did American women riot in
What is rivalry among existing competitors? A. the ability of buyers to affect the price they must pay for anitem B. the suppliers' ability to influence the p
Which procedure could a student use to examine an intensive property of a rectangular block of wood? Find the mass. Record the length. Measure the volume. Dete
Assume that the U.S. population is 300 million. If 70 million individuals are legally classified as unable to work (or are less than 16 years of age), 80 millio
A vessel of volume 100 cm3 contains 0.25 mol o2 and 0.034 mol co2 at 10.0c. Calculate the partial pressure of each component and their total pressure
A miscigenação brasileira vem basicamente de três raças: índios, negros e brancos. No contato entre os três, por razões diversas, os brancos (portugueses) ocupa
is this statement true or false? Scientists and historians believe that the time from prehistory to the development of agriculture spans more than two million
Betsy Strand’s regular hourly wage rate is $30, and she receives an hourly rate of $45 for work in excess of 40 hours. During a January pay period, Betsy works