keiraervin keiraervin

12-02-2020
Mathematics

contestada

Solve the system of equations.
0.8x + 0.1y = -2
-0.17x + y = -3.66
A( 4, 2)
B(2, 1)
C(-2,-4)
D(-10, 12)
E(-12, 12)

Respuesta :

wolf1728 wolf1728

15-02-2020

Answer:

A) .8x + .1y =-2

B) -.17x + y = -3.66

We multiply A) by -10

A) -8x -y = 20 then add it to equation B)

B) -.17x +y = -3.66

-8.17x = 16.34

x = -2

-1.6 + .1y = -2

.1y = -.4

y = -4

Answer is C)

Step-by-step explanation:

Answer Link

Otras preguntas

Read the excerpt from President Woodrow Wilson’s speech, “War Message to Congress.” On the 3d of February last I officially laid before you the extraordinary an

Celeste wants to have her hair cut and permed and also go to lunch she knows she will need $50 the perm cos twice as much as her haircut and she needs $5 for lu

what the hell does "Give an example of a situation in your life in which you depend on testing and evaluation in a product design to keep you safe." even mean?

Solve for the variable. Show all work. -11x < 88

At the end of the story, why does lilia feel she can finally throw away her remaining candies from Mr. Pirzada

what map shows the name of states ,countries or continets

A solution with low Ph values feels like what? a) slippery b) Taste Sour c) have an -OH group d) turns litmus paper blue

Choose an event, current or historical, and explain how it is usually viewed. Next, using the Marxist or feminist critical literary theory, explain how the even

Help! will give points for brainliest The ordered pairs model an exponential decay function. {(−1,30), (0,21), (1,14.7), (2,10.29)} What is the function equati

The amount of vinegar that Melody used for a recipe can be written as a whole number. Which could be the amount of vinegar that Melody used?