2. Given the points A, B, C, D, calculate:
(a) the angle B of the triangle ABC
(b) the are...
![subject](/tpl/images/cats/mat.png)
Mathematics, 25.02.2020 22:56 thao5160
2. Given the points A, B, C, D, calculate:
(a) the angle B of the triangle ABC
(b) the area of the triangle ABC
(c) the median BE of the triangle ABC
(d) the height AH of the triangle ABC
(e) the volume of tetrahedron ABCD
(f) the point E so that ABCE is a parallelogram.
A(-1, 2, -3), B(4, -1, 0), C(2, 1, -2), D( 3,4,5)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:10
Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:10
Change negative exponents to positive. then solve. round to four decimal places
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/fizika.png)
Physics, 27.01.2021 06:10
![question](/tpl/images/cats/en.png)
English, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.01.2021 06:10
![question](/tpl/images/cats/mkx.png)
Arts, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 27.01.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 06:10
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 27.01.2021 06:10