Answer:
31.4cm
Step-by-step explanation:
C = 2π.r = 2×3.14×5 =3.14×10 = 31.4
Answer:
10ab - 25b
Step-by-step explanation:
10ab - 5b²
10ab - 5b × 5b
10ab - 25b
Answer:
c.2
Step-by-step explanation:
5(x+4)<32
5(2+4)<32
10+20<30
Answer:
12
Step-by-step explanation:
Answer:
It's about 6,111 kids per second.
Step-by-step explanation:
1 hour = 60 minutes
1 minute = 60 seconds
60*60=3600
1 hour = 3600
hourly rate -> 22,000,000 kids/hr
secondly rate -> 22,000,000/3600 ≈ 6,111
secondly rate -> 6,111 kids/second