Answer: opposite sides with equal length
Step-by-step explanation:
To calculate the z-statistic, we must first calculate the
standard error.
Standard error is standard deviation divided by the square
root of the population. In this case, it is equal to 2.68.
The z-score is defined the distance from the sample to the
population mean in units of standard error.
z = (195 – 208)/2.68 = -4.86
The equation is 4 meatballs for every adult and 3 for every child. Replace a and c and solve:
M = 4(20) + 2(8)
M = 80 + 16
M = 96
They need 96 meatballs.
Answer:
-6x +2
Step-by-step explanation:
( x + 3 ) + ( − 7 x − 1 )
Combine like terms
x -7x +3 -1
-6x +2
