Add all the item together:
16 + 28 + 12 + 4
=60 total items
Answer:
![n(A)=38](https://tex.z-dn.net/?f=n%28A%29%3D38)
Step-by-step explanation:
In sets theory n(A) represents the number of elements in set A.This number is the cardinal number of the set A.
For n(AUB) there is an equation that relates n(A),n(B) and n(A∩B) :
n(AUB) = n(A) + n(B) - n(A∩B)
In our exercise :
n(AUB) = n(A) + n(B) - n(A∩B)
![59 = n(A) +38-17\\n(A) = 59-38+17\\\\n(A)= 38](https://tex.z-dn.net/?f=59%20%3D%20n%28A%29%20%2B38-17%5C%5Cn%28A%29%20%3D%2059-38%2B17%5C%5C%5C%5Cn%28A%29%3D%2038)
Another important equation for maths is similar to this one :
P(AUB) = P(A) + P(B) - P(A∩B)
Where ''P'' is the event probability.This equation is used in probability and statistics.
Answer:
2000+467000=469000
Step-by-step explanation:
The equation of line is y = -3x + 8
<h3>
What is slope?</h3>
Slope is the ratio of the change in the y coordinates to the change in the x coordinates.
Analysis:
slope (m) = y2 - y1 / x2 - x1
m = 14 -5 / -2-1 = 9/-3 = -3
when y = 5, x = 1
y = mx + c
5 = -3(1) + c
5 = -3 + c
c = 5+3 = 8
Y = -3x + 8
Learn more about slope: brainly.com/question/1884491
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