Mathematics, 27.07.2021 22:50 antisnitch1
Ví dụ 1:Cho tam giác ABC cân (AB = AC) trên tia đối của tia BC lấy điểm D, trên tia đối của tia CB lấy điểm E sao cho CE = BD. Nối A với D và A với E a) So sánh ∠ABD và ∠ACE b) Chứng minh ΔADE cân
Answers: 3
Mathematics, 21.06.2019 16:00
65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.
Answers: 3
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 22.06.2019 00:30
Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?
Answers: 2
Ví dụ 1:Cho tam giác ABC cân (AB = AC) trên tia đối của tia BC lấy điểm D, trên tia đối của tia CB l...
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