tshegof36 tshegof36

11-04-2021
Mathematics

contestada

Solve simultaneously for
x-y=3
x² - xy – 2y²-7=0
16

Respuesta :

jertftrendz jertftrendz

11-04-2021

Step-by-step explanation:

usually Brunei do like this:

y=3-x

then subs this eqn to the second eqn

sorry if I'm wrong :(

Answer Link

arman777376 arman777376

11-04-2021

x-y=3

x-y-3=3-3
x-y=0

x2 - xy-2y2 - 7 =0
y/x = 2x-y/x+4y

Answer Link

Otras preguntas

how do u make a sentence with word dejected

A salesperson ratio of successful signups to the number of people called is .125. This month, the salesperson has 25 signups. How many people did the salesper

Is Ba(NO3)2 covalent or ionic

how do i do the equation 2+6 divided by 3 divided by 1 with an exponent of 8?

Suppose that as the result of extensive pollution to the ocean, kelp forests are killed. Explain how this would affect not only kelp populations, but also many

What does como se dice mean?

There are chickens and pigs in a farm yard? There are 68 feet and 23 tails in the farm yard. How many chickens and how many pigs does grandma have?

Which of the following types of algae would have rigid cell walls composed of silica?a. parameciumb. euglenac. diatomsd. spyrogyra

How many times can 3 go into 8

express the product of 4-3i and 2+i in simplest a+bi form