Answer:
5x+1
Step-by-step explanation:
(4x+2)+(x-1)=
Combine like terms
4x+x +2 -1
5x+1
Answer:
16
Step-by-step explanation:
x+y=30 solve for x x=30-y
substitute x with 30-y and solve
11.25x+22.4y=515.9
11.25(30-y)+22.4y=515.9
337.5+11.15y=515.9
11.15y=178.4
y=16
since we're solving for just large candles it's 16
if need small cangle number 30-16=14
Answer:
7a........they are similar because none of the sides are equal
40/100=0.4 and 72/0.4=180
so the answer is 180
Answer: f (
1
−
x
)
=
3
x
2
−
6
x
+
4
Your WElcome