Answer:


Step-by-step explanation:
Given
The translated triangles
Required
Find x and y
We have:


means:

Open bracket

Collect like terms


Divide by 6

means

Open bracket

Collect like terms


Divide by 2

Answer:
17 i think
Step-by-step explanation:
Determine whether each equation is a linear equation. ... –2x – 3 = y .... linear. 16. 4y. 2. + 9 = –4. SOLUTION: Since y is squared, the equationcannot be written in standard form.
#1 = 1/3
#2 = 5/6
#3 = 8/9
#4 = 6/7
#5 = 15/20
Answer:
The number of hamburgers sold was 126.
Step-by-step explanation:
Let h = number of hamburgers sold
let c = cheeseburgers sold
c+h = 378
c = 2h
Substitute c =2h into c+h =278
c+h =378
2h+h = 378
Combine like terms
3h = 378
Divide by 3
3h/3 =378/3
h =126
The number of hamburgers sold was 126.