keeykeey22 keeykeey22

02-03-2017
Mathematics

contestada

Use the elimination method to solve the system of equations.choose the correct ordered pair.
4x+6y=62
-6x+6y=-18

Respuesta :

Аноним Аноним

02-03-2017

if we subtract the equations we can eliminate the 2 6y's
subtractiong the second from the first:-

10x = 44
x = 4.4
now plug x = 44 into the first equation:-
4*4.4 + 6y = 62
6y = 62 - 4*4.4 = 44.4
y = 44.4/6 = 7.4

the answer is the order pair (4.4,7.4)

Answer Link

Otras preguntas

5 + (-9) = 4 14 -14 -4

What is 2-3? I don't know math I really need help.

Judd worked 40 hours this week. He worked 7/10 of the hours outside and the rest inside. How many hours did he work outside? 35 28 12 8

Find n. 35/49=5/n n=_____

The table shows the population of a school for the years 1992-2008. Year: 1992, 1994 1996, 1998, 2000, 2002, 2004, 2006, 2008 Population: 628, 656, 692,751, 79

If you can exchange 104.51 US dollars for 1,322.14 Mexican pesos, what is the exchange rate of the US dollar to the Mexican peso, to three decimal places?

In 1765, Britain’s Parliament passed a tax on colonial newspapers and pamphlets called the

Mr. Garcia uses magnets to hold a poster on a steel filing cabinet because a main component of steel is _____. The answer should be one word. I was thinking eit

What is 1,699 times 8

One recipe calls for 3/4 cup of milk. A different recipe calls for 1/2 as much milk as the first recipe. How much milk does the second recipe call for?