Chapter 1
Decrease $5.20 by 40%
$3.12
Write an algebraic expression for: The square of the 'x' and 'y'
(x+y)2
A triangle has 2 shorter sides measured 5cm and 12cm. What is the length of the Hypotenuse?
13cm
An electrical store marks up all entertainment systems by 30%. If the cost price of an entertainment system is $8000, what will the selling price be?
$10,400
Simplify 6ab/18b
Name a Triad.
3,4,5 - 6,8,10 - 5,12,13 - 7, 4,25 - 8,15,17 - 9,40,41 - 20,21,29
An electronics shop advertises a 15%discount on all audio-visual equipment as an Easter special. Find the sale price on a projection system that has a marked price of $18000
$15300
Simplify: 8ab2 - 9ab - ab2 + 3ba
7ab2 - 6ab
Value of Sin(50)? - 2d.p.
0.77
A job has normal working hours rate of pay of $18.40. Calulate the total pay of working 34 hours @ regular pay, 4 hours at Time and a Half, and 2 hours at double time.
$809.6
Solve 3(2x+4) = 8(x+1)
x=2
A Right-Angled triangle has an internal angle of 38 degrees. The Hypotenuse has been measured at 7m, what is the length of the opposite side? (2.d.p)
4.31m
Find the total value of the investment if $8000 is invested at 5% compounded annually for 4 years.
$9724.05
The Area of a trapezium is given by A=1/2(a+b)h.
Substitute A = 12, a=5, h=4 to find the value of 'b'
b=1
A fishing boat starts at point 'O' and sails 75km on a bearing of 160T to point B.
1) How far east (to the nearest KM) of its starting point is the boat?
2) What is the true Bearing of 'O' from 'B'?
1) 26KM
2) 340T