Answer: A
Step-by-step explanation: Hope this help :D
Population mean = (7+8+6+6+6+4+4+1+2+7+6+1+1+1+3+3+5+4+5+7) / 20 = 87/20 = 4.35 <==
sample mean = (4+5+7) / 3 = 16/3 = 5.33 <==
Firstly, you change it to miles per second and then to feet
102miles per hour(60×60s)
102 per 120s
Divide
102÷120
=0.85miles per second
Convert to feet
=4488 feet per second
The rate of the increase to the nearest percent is 30 percent
Answer: x=3
Step-by-step explanation:
16 = 7 + 3x
9 = 3x
3 = x
:0