![subject](/tpl/images/cats/mat.png)
Mathematics, 30.11.2021 07:50 jor66
Trên nửa đường tròn tâm O, đường kính AB, trên nửa đường tròn lấy 2 điểm D và C sao cho chúng tạo nên tứgiác ABCD. Gọi F là giao điểm AC và DB, AD và CB cắt nhau ở E; Từ F kẻFM vuông góc với AB.
a) Chứng minhE, F, M thẳng hàng.
b) Tứ giác DECF, ADFM, FMBC, EDMB, ECMA nội tiếp được trong một đường tròn.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:30
Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
The parabola opens: y=√x-4 (principal square root) up down right left
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:20
Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a. x2 − 4x − 7 = 0b. 4r2 + 11r − 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
Answers: 1
You know the right answer?
Trên nửa đường tròn tâm O, đường kính AB, trên nửa đường tròn lấy 2 điểm D và C sao cho chúng tạo nê...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.10.2021 01:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
English, 30.10.2021 01:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 30.10.2021 01:00
![question](/tpl/images/cats/biologiya.png)
Biology, 30.10.2021 01:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
English, 30.10.2021 01:00
![question](/tpl/images/cats/en.png)
English, 30.10.2021 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/health.png)
Medicine, 30.10.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2021 01:00
![question](/tpl/images/cats/health.png)
Medicine, 30.10.2021 01:00
![question](/tpl/images/cats/ekonomika.png)
Business, 30.10.2021 01:00