Mathematics, 29.07.2021 14:40 melkumathurin

Cho chóp S. ABCD, đáy là hình bình hành tâm O. Gọi M, N,P lần lượt là trung điểm của OB, SD, BC a) Tìm giao tuyến của (NPO) và ( SCD) ; (SAB) và (AMN) b) Tìm giao điểm E của SA với (MNP). C/m : ME // PN. tìm giao điểm mn và (scd) e) Tìm thiết diện khi bị cắt bởi (MNP)

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:50

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

What is the 12th term of b(n)=-4-2(n-1)

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

X+ y = 5 ; x - y =3 solve using linear combination

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Answers: 2

Answer

You know the right answer?

Cho chóp S. ABCD, đáy là hình bình hành tâm O. Gọi M, N,P lần lượt là trung điểm của OB, SD, BC a) T...

Questions

Mathematics, 30.09.2019 15:50

What is the aswer of this question because i can not figure it out

Physics, 30.09.2019 15:50

Faça uma redação sobre '' a luta das mulheres brasileiras pelos seus direitos '' por favor, estou sem tempo obs: mínimo 10 l...

Mathematics, 30.09.2019 15:50

What is 174 out of 414 written in simplest form?...

Mathematics, 30.09.2019 15:50

Abox is x inches high, (2x + 3) inches wide, and (2x + 5) inches long. in terms of x, what is the volume (v) of the box? a) v = 4x3 + 15x...

Mathematics, 30.09.2019 15:50

True or false andy has a 40-hour per week job and leaves a certain radio on all day while he works. this radio requires 125 watts of elect...

Biology, 30.09.2019 15:50

Forest butterflies are often brown this them...

English, 30.09.2019 15:50

Delivery is (3 points) the way the author or speaker conveys the message the pace that a speaker uses in a persuasive speech the met...

Mathematics, 30.09.2019 15:50

If two lines intersect to form congruent adjacent angles, then the lines are perpendicular. select one: a. always b. never c....

Social Studies, 30.09.2019 15:50

Why are there such great differences in the wages and salaries paid to different people?...

Social Studies, 30.09.2019 15:50

The stage in which faith becomes an active commitment, detached from the expectations of culture and others, is referred to as the stage of faith....

Business, 30.09.2019 15:50

How do you get a life? ? (i'm being dead serious i really wanna know)...

Mathematics, 30.09.2019 15:50

How could you use a number cube to simulate a baby being born male or female? a) rolling a 4 is female and anything else is male. b) rol...

Mathematics, 30.09.2019 15:50

Half of a number decreased by 6...

Mathematics, 30.09.2019 15:50

Convert the mixed number to an improper fraction. enter your answer below using the slash mark ( / ) as the fraction bar. 2\frac{4}{5}...

History, 30.09.2019 15:50

The aztecs and the incas were united in their opposition to the 28. a. true b. false...

English, 30.09.2019 15:50

Which sentence includes an example of hyperbole? a. marco's new car is faster than the speed of light. b. i'll probably have to spend two hour...

History, 30.09.2019 15:50

Why did president adams send negotiators to france...

Biology, 30.09.2019 15:50

What are the parts or process that can describe an ecosystem? a. chemical changes and flow of energy b. chemical changes and flow of wate...

History, 30.09.2019 15:50

Was there any protests during the declaratory act...

English, 30.09.2019 15:50

What is the definition of subject–verb agreement?...

More questions: Mathematics Another questions