Answer:
2(1+5x)
Step-by-step explanation:
2+10x+8
*2-16
2+10x+0
2+10x
2(1+5x)
Answer:
3x - 23 = 28
Step-by-step explanation:
Answer:
See below.
Step-by-step explanation:
First, use the co-function identity:
We can turn the second term into cosine:
Substitute:
Now, use the sum to product formulas. We will use the following:
Substitute:
Use the even-odd identity:
Therefore:
Replace the second term with the original term:
Proof complete.
Answer:
whats the rest? :)
Step-by-step explanation:
From April to December =9 months
the depreciation expense
3,600×(9÷12)=2,700