issamehla10 issamehla10

01-04-2021
Mathematics

contestada

What is the y value in solution the following system?
4x+3y=7
X+2y=-2
(Worth 10 points)

Respuesta :

sanjeetathapa53 sanjeetathapa53

01-04-2021

4x+3y=7......……(i)
X+2y=-2………....(ii)
Multiplying eqn (ii) by 4
4x+8y=-8…………(iii)
Solving eqn ( i) and (iii)

Ver imagen sanjeetathapa53

Answer Link

Otras preguntas

What is a hyperbole?

What is the color of the indicator thymol blue in a solution that has a pH of 11? (1) red (3) pink (2) blue (4) yellow

Equal amounts or ethanol and water are mixed at room temperature and at 101.3 kPa. Which process is used to separate ethanol from the mixture? (1) distillation

Name one war fought by the United States in the 1900s.

the product of two integers is 50. one integer is twice the other. find the integers.

When lithium reacts with bromine to form the compound LiBr each lithium atom (1) gains one electron and becomes a negatively charged ion (2) gains three electro

Which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol (2) butyne (4) 2-butanone

There were 13 original states. Name three.

Given the balanced ionic equation: 3Pb2+ + 2Cr ==> 3Pb + 2Cr3+ What is the number of moles of electrons gained by 3.0 moles of lead ions? (1) 5.0 mol (3)

what is the value of the underlined digit in 56.123? one is underlined