If n(U) = 125, n(A) = 80, n(B) = 65,then, greatest value of n(AUB) is
2 answers:
The greatest value of n(AUB) is "145".
- An component as well as substance or entity that belongs to both A and B would be included throughout the Union.
- A union is denoted by "U".
Given:
→ n(U) = 125
→ n(A) = 80
→ n(B) = 65
As we know,
The formula is:
⇒
By substituting the given values of n(A) and n(B), we get
Thus the correct answer is n(AUB) = 145.
Learn more about n(AUB) here:
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Answer:
After 2 seconds
Step-by-step explanation:
First step is find an equation of velocity:
h(t)=-16t2+64t+112. The velocity function is derivated from position function, so we should do that.
v(t)= h´(t)= -16*2*t+64 ⇒ v(t)= -32t+64.
Now we know the arrow reach the maximun height when this velocity is equal to zero when t>0.
0=-32t+64 ⇒ 32t=64, split each member for 32 ⇒ =
t=2. That means after 2 sec. the arrow reach the maximum height