Question

Can someone please check if my work is correct? I will medal!

Answer 1

your right!

Answer 2

Are you sure?

Answer 3

yep, i substituted you answer in to an equation i made and it right

Answer 4

Okay. Do you mind checking 1 more for me?

Answer 5

sure

Answer 6

looks good.

Answer 7

I didn't really understand this one. Do you mind explaining it?

Answer 8

it's not possible that you have a solution when the graphs are not intersecting.

Answer 9

Oh. Okay. I got 5 more questions I need help on.

Answer 10

i think D

Answer 11

I'm thinking it's A though..

Answer 12

actually it is, sorry i just woke up....

Answer 13

It's all good.

Answer 14

i think it's C

Answer 15

Do you mind explaining it to me so I can learn how to solve these?

Answer 16

sure!

Answer 17

first add the equations:
d+e=6
d-e=4

2d=10
solve for D:
d=5

substitute it to the second equation:
5-e=4
solve for e:
-e=-1
e=1

Answer 18

Oh. Okay! That makes sense.

Answer 19

B. simply put your second equation in to the first.

Answer 20

Question

Answer 21

Choices

Answer 22

you can use this for graphs:
https://mathway.com/

Answer 23

So it has to be D. then?

Answer 24

yep

Answer 25

I'm thinking D

Answer 26

it is!

Answer 27

Awesome! Thank you ^-^

Answer 28

your welcome!