-1 + 3(n-1)
hope this helps you
Answer:
8/7 min = 
Step-by-step explanation:
A rate 2 2/3 = 8/3 min per tank
B rate 2 min per tank
thus:
A rate = 3/8 tank per min
B rate = 1/2 tank per min
A+ B = 3/8 + 4/8 = 7/8 tank per min
7/8 x = 1
x = 8/7 min
Answer:
d≈3.05
Step-by-step explanation:
d= C/π
d=9.58/π
d≈3.04941
d≈3.05
a) Choose Z since the σ is smallest . The smaller the σ the higher the consistency. Also we can see that the fewest day the student attendance is higher than other while the highest day is the same with others. (L = 130 ,H = 180)
b) Choose W since mean in W is the highest.
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Answer: 24x - 2
Step-by-step explanation: 7x -2 + 10x + x + 6x
24x -2
