Answer: True
Step-by-step explanation:
This is true because the sample are randomly selected. When we say "random" it means selection is being made fairly without taking into consideration any factors such as age, sex, religion, etc. The selection is not bias in that regard as such the population has the same chance of being selected.
Answer:
Step-by-step explanation:
Complete the square
+ 2x - 13 = 0
+ 2x = 13
+ 2x +
= 13 +1 (take 1/2 of the b term , the 2 )
+ 2x + 1 = 14
(x +1)^2 = 14
Use photo math , that will help a lot!!
If you were born in 1925 you would be 42 years old in 1967
1967 - 1925 = 42
Y = - pie/4
y = -0.785
I'm not sure if I'm right so u might wanna make sure