Answer:
a/ac + 2b
Step-by-step explanation:
2a - b = ac + 3b
2a = ac +4b
2a/ac+4b = a/ac + 2b
Circumference of a circle is found with the equation
C = 2 × pi × r
where r is the radius. So for your problem...
C = 2 × 3.14 × 4
C = 25.12 meters
Answer:
3/5
Step-by-step explanation:
The cosine ratio is ...
Cos = Adjacent/Hypotenuse
cos(B) = BA/BC = 48/80
cos(B) = 3/5