Answer:
8.565
Step-by-step explanation:
Volume=4/3pir^3
3000m^3=4/3pir^3
3000/4/3=pir^3
25/pi=r^3
approx 78.539=r^3
r=4.2825
we know,
2r=d
d=2×4.2825
d=8.565
You can round the answer off yourself :3
Answer:
260
Step-by-step explanation:
There are a few ways to solve this, but an easy to understand one is that 39=15%, therefore 13=5%, as it is taking 1/3 of each number. Then to get to 100% we would need to multiply 13=5% by 20 to get 260=100%
To reflect a function across the x axis, we want to turn all the x values that were once positive negative and vice versa. That means we want f(-x), which is: 
Answer:
a
Step-by-step explanation:
1/3 x 3/5 x 3/4 =7/12 so therefore that's what the answer isn't