imani0512 imani0512

15-09-2017
Mathematics

contestada

what is the solution?
y=-x+21
y=-2x+30

a. (8,12)
b. (9,11)
c. (8,11)
d. (9,12)

Respuesta :

texaschic101 texaschic101

15-09-2017

-x + 21 = -2x + 30
-x + 2x = 30 - 21
x = 9

y = -2x + 30
y = -2(9) + 30
y = -18 + 30
y = 12

solution is (9,12)

Answer Link

Otras preguntas

what are some properties of enzimes?

Malika has an unusually accurate sense of taste. While most people can taste the sweetness when there is at least one teaspoon of sugar in two gallons of water,

what if i had 2 ducks and add 4 more

that castle ------ on the hill for 500 years ? 1.has stood 2.have stood

Thanks For Answering

After Larry had taken Nexium for 4 weeks, the pH in his stomach was raised to 4.52. What is the [H3O+] in his stomach?

Eusebio farms land in the sacred valley of the _____ empire. A.aztec B.mayan C.spanish D.inca

A clock manufacturer’s fixed costs per month are $5000. The unit cost for each clock is $15. Find the number of clocks made during a month in which the total co

"In order to reconstruct the diet of Neandertals, scientists have analyzed the stable isotopes of nitrogen and carbon in Neandertals’ bones. Identify the group

Entry for Factory Labor Costs A summary of the time tickets for the current month follows: Job No. Amount 100 $3,500 101 6,650 104 21,900 108 14,440 Indirect 9,