## Linear inequalities, question 1, grade 10

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

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

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

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

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

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

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

18) Simplify :Read More

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

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

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

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

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