## equations in two unknowns , grade 9, question 6

1)Solve the system : 2) Find the dimensions of a rectangular mat knowing that its perimeter is 240 cm and its length is 4cm less than triple its width. 3) knowing that 30% of the…Read More

1)Solve the system : 2) Find the dimensions of a rectangular mat knowing that its perimeter is 240 cm and its length is 4cm less than triple its width. 3) knowing that 30% of the…Read More

Given A = 9x2-12x+4 and B =4-9x2 Show that A – B = 6x(3x-2) Solve the inequality A-B < 6(3x2-1) and represent the solution on a number line and in the interval form.Read More

5) Find two numbers x and y proportional to 3 and 5 respectively , such that if we subtract 4 from x and 10 from y their ratio becomes 2/3Read More

where a<0 and b < 0 Simplify E. Solve E > 0 . Read More

Given : 1<x<4 , -8<y<-5 and -4<m<3 Compare x2 and y2 then compare Bound :Read More

in the given figure: x>0 BCDE is a square of side 2x, BAC is a right triangle at A s.t. AB = x. What is the nature of triangle ABC? Justify. Deduce the length…Read More

Consider the following: Simplify each of A and B. A B C Find C if the given table is inversely proportional.Read More

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

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