Answer:
D) 89.6 %
Average or mean of the given data = 89.6 %
Step-by-step explanation:
<em><u>Step(i):-</u></em>
Given data
X : 82 100 84
P(X=x) : 0.40 0.40 0.20
<u><em>Step(ii)</em></u>
Let 'X' be the discrete distribution
Mean of the discrete distribution = ∑ x P( x=x)
= 82 ×0.40 +100 ×0.40 +84 ×0.20
= 89.6
<u><em>Final answer:-</em></u>
Average of the given data = 89.6 %
Answer:
Look below
Step-by-step explanation:
(a) The area of a triangle is:
The height of this triangle is h and it's base is 4+h so...
(b) If the height is 8 cm, then the base is 4+8 which is 12 cm so...
This is one half of a simultaneous equation. Without the other half, the values are theoretically unsolvable.
With that said, with trial and error you can work this out. I came out with an answer of x=1, y=12.
This is not a good practice. It's time consuming to solve simultaneous questions like this. Make sure you use the other half of the equation in the future.
I hope this helps!
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️
The easiest way to isolate the variable is to multiply by the reciprocal. This leaves n on the left and 12*(5/3) on the right.
The answer is 20