O4 Mg

• 288

• 288.563

• 289

• 290

2. A TV screen is manufactured using the ratio of width to height 16:9. It is then advertised using the diagonal length the size of the tv.

Calculate the length and width of a TV screen (to the nearest inch) that is advertised at 55 inches.

• 16 inches by 9 inches

• 48 inches by 27 inches

• 24 inches by 13.5 inches

• 24 inches by 14 inches

Solve 3(x+2)=4x-3

• 7/9

• 7/3

• 3

• 9

• x=1.5 and x=-4

• x=-1.5 and x=-4

• x=1.5 and x=4

• x=-1.5 and x=4

Find the missing angle x in the triangle below. Give your answer to the nearest degree.

Use logarithms to solve 4^(2x-1)=9^(5x-5) .

• 1.00

• 1.16

• 1.17

• 1.87

A tank can hold 360 litres of water when full.

1 litre of water is equivalent to 1000 cubic centimetres.

Given that the width of the tank is 1.2 m and the depth is 0.75 m, determine the height of the tank.

• 0.4m

• 0.45m

• 0.5m

• 0.55m

• a = 16.1 and n = 3.5

• a = 1.4 and n = 3.5

• a = 3.5 and n = 16

• a = 3.5 and n = 1.4