Answer:
49
Step-by-step explanation:
cos(x)=31/47
x=cos^-1 (31/47)
U had to take a pic of the work so we could see it
Yea it’s B because I did the mathhhhhh
Answer:
a=-22
Step-by-step explanation:
Multiply both sides of the negative equation by (-2) to get the equation:
a-4=13(-2)
then simplify to get:
a-4=-26
then isolate the variable by addig 4 to both sides of the equation to get:
a=-26+4
simplify to get:
a=-22
Answer:
a = 2
Step-by-step explanation:
Multiply equation by 2a to get rid of denominators.
10 + a = 12
a = 2
