5/2=2.5
25+2.5=27.5
so 27.5 is the answer
Percent means parts out of 100
32%=32/100=0.32/1=0.32
'of' in math means multiply so
0.32 times 250=80
the answer is $80
Answer:
The events being a heavy smoker and having emphysema are not independent.
Step-by-step explanation:
We are given the following in the question:
Number of women = 2000
Number of heavy smoker = 340
Number of women who has emphysema = 25
Number of women who has emphysema and are heavy smoker = 21
P(Smoker) =
P(emphysema) =
P(Smoker and emphysema) =
Two events A and B are said to be independent if
Checking conditions for independence:
Thus, the events being a heavy smoker and having emphysema are not independent.
Answer:
An expression
Step-by-step explanation:
The constant in this case would be 6 because it never changes.
The variable would be x because the value of x can change.
A formula is a mathematical rule, which 6 +x is not.
Therefore, 6+x is an expression.
Answer:
your answer will be A)
Step-by-step explanation:
I hope it helps have a nice day ^_^