Question 1 Report
The lengths of the sides of a right angled triangle are (3x + 1)cm, (3x - 1)cm and xcm. Find x
12
5
Answer Details
(3x + 1)2 = (3x - 1)2 + 2 (Pythagoras's theorem) 9x2 + 6x + 1 = 9x - 6x2 + 1 + x2 x2 - 12x = 0 x(x - 12) = 0 x = 0 or 12
If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?
In a figure, PQR = 60o, PRS = 90o, RPS = 45o, QR = 8cm. Determine PS
Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12
Given a regular hexagon, calculate each interior angle of the hexagon
Given that cos z = L , whrere z is an acute angle, find an expression for cot z - cosec zsec z + tan z
Make T the subject of the equation av1?v a v 1 ? v = ?2v+Ta+2T
A construction company is owned by two partners X and Y and it is agreed that their profit will be divided in the ratio 4:5. At the end of the year, Y receiv...
If x + 2 and x - 1 are factors of the expression 1x3 + 2kx2 + 24, find the values of 1 and K
Everything you need to excel in JAMB, WAEC & NECO