d. all of the above are true
The standard deviation is the square root of the variance so
square root 27 is 5.196152423
Answer:
a) cosθ =
Step-by-step explanation:
<u><em> Step(i):</em></u>-
Given point ( x , y ) = ( - 2 , 3 )
We know that the polar co-ordinates
x = r cos θ and y = r sinθ
where
<u><em>Step(ii)</em></u>:-
x = r cos θ
cosθ
cosθ =
cosθ =
Answer:
-84/3
Step-by-step explanation:
Here we are given the expression:
Now we have to find the value of this expression when x equals -9.
So plugging the value of x as -9 in the given expression:
=
=84/-3
So on evaluating we get the value of expression as -84/3.
Answer:
(D) $20,240
Step-by-step explanation:
Since the value of her car decreases by 8% every year, in one year it will be 92% of its original price ($22,000). 0.92 * 22,000 is 20,240. Therefore, the answer is D.
Hope this helps :)