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

Im looking for the expanded form of the number 54,874

Is 'the' is proper noun ?

A gumball machine contains 50 gumballs. There are 25 blue, 10 red, 12 green, and 3 yellow gumballs in the machine. Bart puts a coin in and turns the wheel to re

What are the steps of a virus getting into the nucleus?

Please help, the image is below!

The probability that you randomly draw a short straw is 3/20.How many short straws would you expect out of a group of 40 ?

Find the measurement of angle g.

Which of the following can help a business monitor quantitative business factors? E-commerce E-mail and messenger systems Scheduling and filing systems Inventor

In the diagram, the measure of angle 5 is (10x – 9)°, and the measure of angle 7 is (9x)°. What is the measure of angle 6, to the nearest degree? A transversal

Write an exponential function to model each situation. Find each amount after the specified time. 14. A population of 1,236,000 grows 1.3% per year for 10 years