Algebra
Solve 5x=30
x=6
Work out (1/6) of 30
5
The probability that James's bus will be late is 4/9.
If James takes the bus 45 times, what is the expected number of times that it will be late?
20
Calculate area of circle with radius = 4cm.
Give your answer to 1 decimal place.
50.3 cm2
b=e-5
x < 7
Give an example of what the value n could be
number less than 7
Decrease 240 by 13%
208.8
Felicia spun a spinner with 3 coloured sections 20 times. Below is how many times the spinner landed on each colour.
Blue - 3, Red - 12, Green - 5
Estimate the probability of the spinner landing on blue.
3/20
Work out the perimeter of the diagram drawn by Ms Kim
Refer Ms Kim
Work out 3 x 102 x 3 x 106 without using a calculator
9 x 108
Solve d+2 > 21
d > 19
Work out 3.2 x 103 + 4.1 x 107
41003200 or 4.10032 x 107
Joanne currently earns $4250 per month. IF she receives a 13% pay increase, how much will she earn per month?
$4802.50
Work out the length of the arc with radius 10cm and sector angle 38o.
Give your answer to 1 decimal place.
6.6cm
Bob bought a painting for $600 and sold it for $648. Find the profit as a percentage of the cost
$8
Make p the subject of r = wp + y
p = (r - y) / w
Factorise e2 - 9
(e+3)(e -3)
The price of a shirt is reduced by 18% in a sale. The sale price is $34.18. What was the original price of the jacket?
$41.68
Work out the total surface area of cylinder with radius 2cm and height 12cm. Give your answer to 1 decimal place.
175.9cm2
Solve x2+7x+12 =0
x=-3 and x=-4
Solve 12 < 2a + 4 < 30
4 < a < 13
Factorise x2+7x+12
(x+3)(x+4)
Beutea has 3 drink options. Each customer has one drink. The probabilities of a customer chosen at random having a type of drink are shown below:
Fresh Milk Tea: 0.5, Highland Brew Tea: 0.2, Fresh Fruit Tea: _____ 200 customers are chosen at random. How many of these customers would you expect to have a fresh fruit tea?
60
A cylindrical jug can be used to measure a volume of 500ml. The jug has a radius of 2cm. There are markings on the jug to show every 100ml. Work out the distance between each of these markings to 1 decimal place.
8.0cm
Use compasses to construct a perpendicular bisector
Refer Ms Kim