Bomarie02 Bomarie02

02-03-2018
Mathematics

contestada

solve the following system of equations: -2x+y=1
-4x+y=-1
A)(3,1)
B)(-1,3)
C)(-1,-3)
D)(1,3)

Respuesta :

sqdancefan sqdancefan

04-03-2018

You can subtract the second equation from the first:
.. (-2x +y) -(-4x +y) = (1) -(-1)
.. 2x = 2 . . . . . . . . . . . . . . . . . . . simplify
.. x = 1 . . . . . . . . . . . . . . . . . . . . . divide by 2

This corresponds to selection D) (1, 3).

Ver imagen sqdancefan

Answer Link

Otras preguntas

Which statement best describes the Americans who served in Vietnam? Most Americans who served in Vietnam had been drafted. Most US soldiers in Vietnam were in t

which character from A Doll's House emerges as highly dynamic?a.) Torvaldb.) Norac.) dr. rankd.) none of the above

I NEED HELP ASAP 4. List and describe two reproductive health issues related to your sex. 5. Name the two types of twins and describe how they are formed. 6. Li

The original cost of a pair of shoes is $125. The shoes are now on sale for $100. What is the percent discount of the shoes?

who led american forces in both the battles of trenton and princeton

As a general rule, really great novels contain A. multiple settings. B. universal truths. C. one main conflict. D. complex plots.

Which nation in the Middle East, as well as one of the United States' strongest allies, has an Authoritarian Monarch leading their government? Saudi Arabia Eg

what is 47.50 plus 49.8

Necesito 2 oraciones para cada palabra: yo duermo, yo digo, yo tengo, yo pongo, yo traigo, yo voy, yo hago, yo vengo, yo sueño y yo parezco. PERO CADA PALABRA N

What is the value of 2 1/5 +3 4/5=