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Linear inequalities, question 1, grade 10

19/12/2016 Grade 10 688

Solve :  Deduce the solution of the systems : a)  b)Read More

coordinate systems, training question , grade 9

19/12/2016 Grade 9 2,359

In an orthonormal system , given the points: A(1,3), B(0,4) and C(-1,3); and the line : (d): y=x+4 Does A belong to (d)? Verify that B and C belong to (d) then draw (d). Prove…Read More

trigo, question 10, grade 10

04/12/2016 Grade 10 541

10) Calculate without any use of a calculator:Read More

real numbers, question 19, grade 9

03/12/2016 Grade 9 3,784

19) Given:,     ,   and  a)Calculate each of AB,AC,DB and DC. b) What does (AD) represent to [DC]?Justify.Read More

proportions, grade 9, question 16

03/12/2016 Grade 9 1,406

16) a) Find the dimensions of a rectangle that are proportional to 7 and 5 knowing that the perimeter is 96. b) Deduce the area of a rectangular carpet of the same dimensions. c) If…Read More

trigonometry, grade 10, question 9

29/11/2016 Grade 10 873

9) Simplify:  knowing that sinx>cosx>0Read More

Real numbers, grade 9, question 17

29/11/2016 Grade 9 635

17) Consider a triangle ABC such that: AB =  AC=  BC= Simplify each of AB,AC, and BC. Deduce the nature of triangle ABC.  Read More

trigo, grade 10, question 8

29/11/2016 Grade 10 3,051

8) Given : where  Verify that cosx = Deduce sinx. Evaluate: Read More

proportions, grade 9, question 15

29/11/2016 Grade 9 1,613

15) a store announced a 10% VAT on all items, Designate  by x the initial price of an item and by y the new price after that VAT. Write a linear relation between x and…Read More

proportion, grade 9 , question 14

29/11/2016 Grade 9 323

14) school A contains 400 students, and school B contains 300 students; the percentage of girls in school A is 20%, and their percentage in school B is 40%. Students of both schools meet at…Read More

proportions, grade 9, question 13

29/11/2016 Grade 9 2,759

13) In a school, 70% of the students are boys. Denote by x the total number of students and by y the number of girls. Express y interms of x. suppose that the school contains…Read More