Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
the total of the 20 numbers is: 64+12m
the mean of the 20 number is: (64+12m)/20=5
solve for m: 64+12m=100
12m=36
m=3
Not sure I'm right but:
If the bar weighs 9.25 ounces and 65% of the bar is gold, you'd do 65% of 9.25. So the answer would be <span>65% of 9.25= 6.0125</span>
Answer:
Step-by-step explanation:
(3b)³ = 3³·b³ = 27b³
Answer:
Greater Than
Step-by-step explanation:
edge
Answer:
None
Step-by-step explanation:
That equation is fully simplified, unless you know the value of x