Mathematics


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Категория: Образование


This channel provides maths questions , answers and concepts.

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Гео и язык канала
Эфиопия, Английский
Категория
Образование
Статистика
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New curriculum
Mathematics grade 9 units
The new curriculum mathematics for grade 9 has 9(nine) units in total those are👇👇

Unit 1': Further on Sets
Unit 1 : The Number System
Unit 2 : Solving Equations
Unit 3 : Solving Inequalities
Unit 4 : Introduction to Trigonometry
Unit 5 : Regular Polygons
Unit 6: Congruency and Similarity
Unit 7 : Vectors in Two Dimensions
Unit 8 : Statistics and Probability



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#Questions_On_The_set_Of_Complex_Number


50. If y+1/y=2 cosፀ, Find y
Опрос
  •   A. y=cosፀ ± isnፀ
  •   B. y=sinፀ ± cosፀ
  •   C. y=cosፀ ± cosፀ
  •   D. y=sinፀ ± sinፀ
78 голосов


49. For z = x+yi, which of the following represent the circle (x-3)²+(y+1)²=4
Опрос
  •   A. |z+3-i|=4
  •   B. |z-3+i|=4
  •   C. |z+3-i|=2
  •   D. |z-3+i|=2
69 голосов


48. If the complex number a + bi corresponds to the point (a,b) to what point does 2i -πi correspond ____________
Опрос
  •   A. (2i, -π)
  •   B. (2-π,0)
  •   C. (0,2-π)
  •   D. (2,π)
62 голосов


47. Simplified from of i(1+√3i)^6 -65i is equal to
Опрос
  •   A. 1
  •   B. i
  •   C. -i
  •   D. i+1
57 голосов


46. The modulus of 1/i³ + -5+3i/12-5i is equal to
Опрос
  •   A. √15/13
  •   B. 15/13
  •   C. 1+√34/13
  •   D. 20/13
49 голосов


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Опрос
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✍🏼 Mathematics for grade 9-12

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45. What is the mean and the median of the numbers 8,3,5,10,12 respectively
Опрос
  •   A. 9 and 7.6
  •   B. 6 and 5
  •   C. 7.6 and 9
  •   D. 5 and 6
61 голосов


44. How many possible 3 members committees can be selected from an organization that contains 10 members
Опрос
  •   A. 120
  •   B. 360
  •   C. 240
  •   D. 720
51 голосов


43. A bag contains 3 fresh and 5 spoiled oranges are to be drawn at random from the bag, what is the probability that at least one of the oranges is fresh?
Опрос
  •   A. 15/28
  •   B. 15/56
  •   C.45/56
  •   D. 23/28
38 голосов


42. Ajar contains 3 red and 5 green balls identical in all aspects except color. If two balls are drawn at random, then the probability that the two balls drawn are not green is
Опрос
  •   A. 9/14
  •   B. 15/28
  •   C. 3/28
  •   D. 5/14
37 голосов


41. In pack of ten books, three are geometry books while the rest are book of algebra. If three books are drawn at random, what is the probability that one of them is geometry book and the other are book on algebra
Опрос
  •   A. 21/40
  •   B. 21/100
  •   C. 2/21
  •   D. 7/10
41 голосов

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