glennmcimnitre glennmcimnitre

08-03-2017
Mathematics

contestada

5x + 10y = 18
x = y - 6
Which of the following equations is the result of substituting y - 6 in for x in the first equation?

Respuesta :

Аноним Аноним

08-03-2017

5x + 10y = 18
x = y - 6

substituting y - 6 in for x in the first equation
5(y - 6) + 10y = 18
5y - 30 + 10y = 18
15y = 48
y = 3.2

x = y - 6
x = 3.2 - 6
x = -2.8

answer

(-2.8, 3.2)

Answer Link

Otras preguntas

What is the equation of the line shown? y = -3x + 2 y = 2/3 x - 3 y = 3/2x - 3 y = 2x - 3

Describe pattern below. 8,12,16,20,24,28

How many milliliters of a 0.70 M solution of barium hydroxide, Ba(OH)2 , are necessary to neutralize 55 mL of a 1.4 M solution of sulfuric acid, H2SO4?

Select the punctuation mark that needs to be added to this sentence. My car is broken therefore, I have to ride the bus this week. A. semicolon B. colon C. No

Read the passage below from The Call of the Wild and answer the question. But Buck was in open revolt. He wanted, not to escape a clubbing, but to have the lead

A ball attached to a string is whirled around in a horizontal circle having a radius R. If the radius of the circle is changed to 4R and the same centripetal fo

Which of these best describes extinction events?answers are A) Extinctions are entirely caused by human interactions and disruptions to ecosystems. B) Extinctio

Amanda is looking for someone to remodel her kitchen. She wants to find someone who charges less than $40 per hour (not including the fee for coming out to the

Graph the equation by plotting three points. If all three are correct, the line will appear. -3y = 2x - 7

Provide information about a sport