1. 1 Press Ctrl-A ©G Dear 2010 – Not to be sold/Free to use Substitution Stage 6 - Year 11 Applied Mathematic (Preliminary General 1)

2. 2 Replacing pronumerals with numbers. The formula for the speed of a car is v = u + a tv = u + a t Speed Initial Speed AccelerationTime A Porche 911 Turbo S accelerates at 8 m/s 2 How far will it travel from a standing start in 10 seconds. 08x 10= 80 m

3. 3 25 Replacing pronumerals with numbers. Compound Interest A = P (1 + r) n $10 000 is invested for 25 years at an average interest rate of 7% p.a. P = 10000 r = 0.07 n = 25 A = ? A = 10 000 = 10 000 x 1.07 25 = $54 274.33 x (1 + 0.07)

4. 4 Replacing pronumerals with numbers. How much current (in amps) is given by a 150 watt spotlight assuming a 240 volt supply. R = E2PE2P E = 150 P = 240 R = 240 2 150 = 384 Ω Source: http://www.elec-toolbox.com/Formulas/Useful/formulas.htm Formulae Electrical Trades (1)

5. 5 Replacing pronumerals with numbers. How much current (in amps) is given by a 150 watt spotlight assuming a 240 volt supply. I = PEPE P = 150 E = 240 I = 150 240 = 0.625 A Source: http://www.elec-toolbox.com/Formulas/Useful/formulas.htm Formulae Electrical Trades (2)