1. P and Q are two sets. If n(P∪Q)=45 and n(P)=25 and n(Q)=35, then n(P∩Q) is
A) 10
B) 1...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 24.03.2020 15:04, SMNS625
1. P and Q are two sets. If n(P∪Q)=45 and n(P)=25 and n(Q)=35, then n(P∩Q) is
A) 10
B) 12
C) 20
D) 15
2. If I is the set of positive integers and P={x:x∈I, x^2<10 and x≠0},then
A) P = {0,1}
B) P = {0,1,2,3}
C) P = {1.2,3}
D) P is an infinite set
3. Simplify (1-y^2)/(y-y^2 )
A) 1/y
B) (1-y)/y
C) (1+y)/y
D) 1/(1-y)
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00, maddy3lizabeth
Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr
Answers: 3
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30, sweetbri7p5v6tn
Aline passes through 3,7 and 6,9 what equation represents the line
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.01.2021 09:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/en.png)
English, 03.01.2021 09:40
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 03.01.2021 09:40
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 03.01.2021 09:40
![Konu](/tpl/images/cats/en.png)
English, 03.01.2021 09:40