The answer is B.
I tried putting 9 for a and 7 for B. cos(9-7)+cos(9+7) = 2cos(9)cos(7)
Answer: 10.368
Step-by-step explanation:
20% of 51.84 is 10.368 or just 10.36
If you have (3^4)^3 then you multiply the two exponents to get 3^12. if you have 3^4 x 3^3 then you add the exponents to get 3^7
Answer:
6/13
Step-by-step explanation:
6+7
13
so 6/13
Answer:
the second answer choice, 3 4/5
Step-by-step explanation:
6 - 2.2= 3.8
3.8 = 3 8/10 = 3 4/5
