Answer:
7
Step-by-step explanation:
it will take 7 because 80÷12= 6.667 but you can't take 0.667 of a trip so you round it up to 7
A.
You run 4 miles: 4
Rob ran half as far as you: 0.5 * 4
Tim ran half as far as Rob: 0.5 * (0.5 * 4)
Nicole ran half as far as Tim: 0.5 * (0.5 * (0.5 * 4)))
Nicole ran 0.5 * 0.5 * 0.5 * 4 = (0.5)^3 * 4
b.
(0.5)^3 * 4 = 0.125 * 4 = 0.5
Nicole ran 0.5 mile.
To Solve MAD or the mean absolute deviation what you need to do is get the Mean so lets say you have the numbers 20,35,18,34,60,82,10, and 29 add them up to get 228. next divide by the amount of numbers 228/8 = 36 now to get the mean absolute deviation get the difference of each number, but some will be negative so we will turn them to positive Like so.
20-36=-16 turn to positive 16
36-35=1
36-18=18
36-34=2
60-34=24
82-34=46
36-10=26
and 36-29=7
you add up these numbers to get 140 then divide them by the numbers 140/8=17.5
<span>so 17.5 is your mean absolute deviation.</span>
One equation would be 258 times 3 = n
You need to figure out what m is so first subtract 12 from then sybtract 9 from 9 then you havem by itself. now subtract 4 from 4 then add 4m to 4m and the add 15 to 9 and you should get your answer