Answer:
all except the last one
Step-by-step explanation:
C + a = 138.....c = 138 - a
5.10c + 8.70a = 995.40
5.10(138 - a) + 8.70a = 995.40
703.80 - 5.10a + 8.70a = 995.40
-5.10a + 8.70a = 995.40 - 703.80
3.60a = 291.60
a = 291.60/3.60
a = 81 <===
Answer:
Where is the figure????
Don't waste your points unnecessarily. ✌✌
Answer:
Step-by-step explanation:
We are given the two functions:
And we want to find:
So, by substitution:
Simplify. Distribute:
Rearrange:
Combine like terms. Hence:
Step-by-step explanation:
-2 = 0.75
-1 = 1.5
0 = 3
1 = 6
2 = 12