Its a and b because it simply doesn't make any sense <span />
Solution
cos (90-60)=cos (x+10)
⇒30=x+10
x=30-10
x=20.
Answer:
625
Step-by-step explanation:
Convert 15300 to a percent,
We can convert it to it's lowest fraction,
120, and to find the percent just multiply it by 5 on top and bottom,
120 ×5×5
which equals, 5100
Then take the percent as a decimal, 0.5 and multiply it by 12500,
12500×0.5 which would give you: 625
-7(-1) - 2 (2)^3 + 1(-3)
7 - 2(8) -3
7 - 15 - 3
-8 -3
-11
The answer ia -11.
The answer is 4 hope this helps
