c^2 = a^2 + b^2 - 2(ab)(cos C)
c^2 + 2(ab)(cos C) = a^2 + b^2
2(ab)(cos C) = a^2 + b^2 - c^2
cos C = (a^2 + b^2 - c^2) / 2ab - Answer choice E
Hope this helps! :)
Answer:
1,890
Step-by-step explanation:
Answer:
91 hours
Step-by-step explanation:
Add 12 to itself 8 times and then add 7 once
Here's what I'd do. If the account loses $4 per month, and it currently has $412, then do 412/4, which is 103 months. So in 103 months, or about 8 1/2 years, the bank account will be out of money.
Answer:
4
Step-by-step explanation:
10/100=0.1
1% = 0.1
0.1*40= 4
