Answer:x = 9
Step-by-step explanation:
Answer:
(4, - 2 )
Step-by-step explanation:
Given the 2 equations
x = 4 → (1)
- y =
x → (2)
Substitute x = 4 into (2)
- y =
× 4 = 2 ( multiply both sides by - 1 )
y = - 2
Solution = (4, - 2 )
C. a-3x=0
Equations are like a balance scale. There needs to be an “=“
Answer: Part (a) 218.4 Part (b) 54.6
Step-by-step explanation: Part (a) you multiply all the numbers together, then you get 218.4, there is no need to round to the nearest tenth because the decimal is in tenths. (All you got to do is single digit multiplication and two digit multiplication :) Part (b) multiply 5.2 and 10.5, you get 54.6
You're welcome, hope this helps :)
3 equivalent ratios can be:
4/10
6/15
8/20?