joanna93 joanna93

02-12-2019
Mathematics

contestada

1) 3х + 8 y = 30
бx +7y = 6

Respuesta :

naythankyouboi naythankyouboi

02-12-2019

Multiply the first equation my 2 and than subtract the two equations to eliminate x

6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7(6)=6
6x+42=6
6x=-36
X=-6

X=-6 Y=6

Answer Link

Otras preguntas

The fetus is nourished by the __________ during the first 7 weeks and by the _______ from week 8 through birth ?

a swimming pool holds 375,000 liters of water. two large hoses are used to fill the pool. the first hose fills at a rate of 1500 liters per hour and the second

pythagorean theorem If l = 12 cm and m = 35 cm, what is the length of n?

Consider the relation {(–4, 3), (–1, 0), (0, –2), (2, 1), (4, 3)}.Graph the relation.State the domain of the relation.State the range of the relation.Is

Why did the goverment ration goods for people to buy?

The data represent the ages of people working at a store. 19, 27, 20, 26, 20, 24, 32, 23, 20, 19, 21 What is the first quartile of these ages?

What is the answer to split 56 in the ratio of 3:4

Why do we use granite?

what is greater 0.7 or 7/9?

How is the ecological system organized?