Answer:
lets call the children, c, and call adult, a,
c+a= 52 eq 1: a=52-c
c=3a eq 2
take a's value from eq 1 and plug it into eq 2
c=3(52-c)
c=156-3c
4c=156
c=39 the number of children that attended the ball game.
Step-by-step explanation:
Answer:
0.19512195122
Step-by-step explanation:
Answer:
Her z-score is 2.03.
Step-by-step explanation:
In a set with mean
and standard deviation
, the zscore of a measure X is given by:

Michelle’s height is 1.758 meters. What is her z-score?
Michelle's is a woman.
The average height of women is
and the standard deviation is 
This is Z when X = 1.758. So



Her z-score is 2.03.
Answer:
8 miles.
Step-by-step explanation:
Answer:
2s-11
51
Step-by-step explanation:
“N fewer than Y” is Y-N, so Liza has s-11 stickers while Betty has s. They have 2s-11 stickers combined.
If Betty has 31 stickers, s = 31 and they have 2s-11 = 62-11 = 51 stickers total.