Answer:
153.586 close to 154 students
Step-by-step explanation:
mean=61
standard deviation =10
sample 450 students , x between 61 and 71
(x-mean)/deviation for score 61 and 71
61-61/10=0
71-61/10=1
the z-scores is between 0 and 1 ( use calculator)
the percentage is 0.3413 close to 34%
number of students that score between 61 and 71=
450*0.3413= 153.586 close to 154 students
Answer:
x = 47°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the 2 given angles from 180 for x
x = 180° - (31 + 102)° = 180° - 133° = 47°
Answer:
C
Step-by-step explanation:
Attached Picture.......
Answer:
1/2 is the answer
step-by-step explqnation:
Answer:
1 would: You dont have to pay anything because 80% of 750 is $150 which you also have to deduct $150 so you dont pay anything.
2: 90% of $575 is $517 so 58 dollars would be deducted.
Hope this helps:)
