Pls help due tonight. BRIANLIEST IF CORRECT. Prob easy tho.
2 answers:
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Answer:
13 1/8 units³
Step-by-step explanation:
(see attached for reference)
Volume = Length x Width x Height
= 1 1/2 x 3 1/2 x 2 1/2 (convert to improper fractions)
= 3/2 x 7/2 x 5/2
= (3 x 7 x 5) / (2 x 2 x 2 )
= 105/8
= 13 1/8 units³
Answer:
For the student who is studying 10 hours a week is in the 57.93th percentile.
Step-by-step explanation:
Corresponding z-score for the student who studies 10 hours a week can be calculated by the formula
z= where
- x is the hours student work in a week, which is 10,
- M is the mean studying hour of the class, which is 9.92,
- s is the standart deviation which is 4.54
from here we find that z=≈0.2
Corresponding percentile for z=0.2 is 57.93
Answer:
Step-by-step explanation:
(4^2/5)^1/4
first multiply the exponent
2/5*1/4=2/20=1/10
4^1/10= 10√4(the ten is on the top to the square root)
