BrownieWuver BrownieWuver

02-02-2015
Mathematics

contestada

How many solutions are there to the following system of equations?

4x – 14y = 6
–2x + 7y = –3

A.
1

B.
2

C.
infinitely many

D.
0

Respuesta :

02-02-2015

[tex]4x-14y=6 \\ -2x+7y=-3 \ \ \ |\times 2 \\ \\ 4x-14y=6 \\ \underline{-4x+14y=-6} \\ 4x-4x-14y+14y=6-6 \\ 0=0 \\ always \ true \\ \\ \boxed{\hbox{infinitely many solutions}} \Leftarrow \hbox{answer C}[/tex]

Answer Link

Otras preguntas

Is the effect of light on flowering patterns of plants independent or dependent?

You are writing an essay on remedies for the common cold. Which method of organization would be the best choice for this essay? A) a cause-effect organizatio

Lithium reduces the risk of ________ among people with bipolar disorder

Courtney reduced the number of hours that she spends in front of screens each day. Now she spends more time on homework. Courtney was able to raise her grade po

There was no superfluous ornament in the room—not one modern piece of furniture, save a brace of workboxes and a lady’s desk in rosewood, which stood on a side-

What does the hexadecimal number EF represent in the decimal system? A. 239 B. 37 C. 171 D. 217 E. 88

write 6/61 as a percentage. Round your answer to the nearest tenth of a percent.

Why was dollree mapp able to use the fourth amendment to support her claim?

What is the BEST meaning of impious as Paine uses it in this quotation? A. critical B. immoral C. unpleasant D. troublesome

Brainly MATH WHIZZES!! TON OF FREE POINTS FOR BEST AND FASTEST ANSWER!!! PLEASE HELP MY FELLOW FRIENDS...FORGOT HOW TO DO THIS!!!!! What is the area of a sector