Im not sure but I would think you would divide 75 by .15. That would get you 500. So 500 minutes would be your answer.
The answer is B because u always start of like that
Answer:
B. 97%
Step-by-step explanation:
20 students is -2 standard deviations away from the mean
35 is +3 standard deviations away from the mean
100 - 2.4 = 97.6
(2.4 is amount of data we are not using)
please refer to the standard deviation graph attached :)
Answer:
192
Step-by-step explanation:
you really should do your own test
A = lwh
A = 6 x 4 x 5 + 3
A = 6 x 4 x 8
A = 192
Answer:
Assuming the question is: 3 + 1 16 [I see no "working below."
Step-by-step explanation:
3 + 1 16
48/16 + (16/16 + 1/16) [Make all numbers into fractions using 16 as the denominator. E.g. 48/16 = 3.
Add: 48/16 + (16/16 + 1/16)
(48+16+1)/16
=63/16
[Also equal to 3 15/16]