Answer:
x-4
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
(b/2)^2
b= -20
(-20/2)^2
(-10)^2
100
In order to find the probability of both marbles being drawn being the same colour, the probability of each marble being drawn has to first be found and then multiply both probability to find the probability of two orange marble being drawn consecutively.
Now, the probability of drawing an orange marble = ⁴/₉
since a marble has been removed and wasn't replaced then there are now 5 pink + 3 orange marbles (8 marbles in total) in the bag.
∴ the probability of the second marble drawn being orange = ³/₈
⇒ the probability of <span>two orange marbles in a row without the first being replaced = </span>⁴/₉<span> </span>× ³/₈ = ¹/₆
Answer:2.5
Step-by-step explanation:
That is a very good question
Look Wade...
If you faced it in the form (x^2+a)^0.5 , you would use the substitution of x=a*tan(y)
If you faced it in the form (x^2-a)^0.5 , you would use the substitution of x=a*sec(y)
If you faced it in the form (a-x^2)^0.5 , you would use the substitution of x=a*sin(y) or even x=a*cos(y)
It would be better if you provided an example ...
I am with you if you faced any difficulties!
:)
