Put your number into the half-angle formula and simplify.
The appropriate selection is ...
Answer:
336 hours
Step-by-step explanation:
24 hours for 1 day
14 days in 2 weeks
24*14=336
For an even function f(x) = f(-x)
So its option A
Answer:
Step-by-step explanation:
(a) R2 does not determine the level of correlation between two variables in statistics but rather it is used to determine the level of variance in a dependent variable that is explained by an independent variable. It is also known as coefficient of determination.
Pearson's correlation coefficient (r) will better explain a direct relationship between a country's literacy rate and life expectancy and the value obtained will better explain option a
(b) The slope of the line can predict an improvement in life expectancy but cannot guarantee this improvement. And as such, the use of the word "will" suggests a form of guarantee which is wrong in interpreting slopes.
The answer should be 9 if I’m not mistaken
