Probability
What is the probability of selecting a picture card from a standard pack of cards?
12/52 =3/13
How do you change m^2 to mm^2
x100^2 x 10^2
Given P =2x+2y, calculate the value of P given x=12 and y=8
40
Georgia is paid an annual salary of $112560. Calculate her pay each month.
$9380
Who is prime minister of Australia?
Scott Morrison
I toss an unbiased coin 10 times for a result of 7 heads and 3 tails. What is the probability the next toss will be a tail?
1/2
A measurement was taken as 5.4mm.
What is the error in this measurement?
0.1mm
Given v^2=u^2+2as
Change the subject of this formula to a
2as=v^2-u^2
a=v^2-u^2/2s
Including the 10% GST a plumber charges $506. Calculate the GST included in this bill.
$46
Who is premier of NSW?
Gladys Berejiklian
I toss 2 coins. What is the probability they will both be heads
1/4
Find the circumference of a circle with diameter 12.0cm. Give your answer correct to one decimal place.
37.7cm
Solve 3x+10
_______= 2x-5
2
3x+10=4x-10
4x-3x=10+10
x=20
Amy earns $34.90 per hour and works for 35 hours each week. Calculate her taxable income if she has $5625 in allowable deductions.
52 x 34.90 x 35= $63518
$63518- 5625=$57893
Which river flows through Newcastle NSW ?
The Hunter
In a 10 horse race all have an equal chance. What is the probability of selecting the first 3 horses to finish in the correct order?
10 x 9 x 8 = 720
250mL
Rewrite the line 3x-4y+2=0 in form y=mx+c
4y=3x+2
y=3/4x +1/2
Rachel works a 40-hour week at a rate of $18.50 per hour. He receives 17.5% of 4 weeks normal pay as holiday loading. What is Thomas's pay for the holiday?
$3478
The Gwydir river forms part of which major catchment area?
The Murray / Darling Basin.
Bag A contains 4 red marbles and 5 blue marbles. Bag B contains 6 red marbles and one blue marble. A marble is taken from each bag in turn. What is the probability of selecting two marbles the same colour? Hint: use a tree diagram
P(RR or BB)=4/9 x 6/7 + 5/9 x 1/7
= 29/63
A sphere has a radius of 8cm. If its radius doubles, by how many times has its volume increased?
8 times
The blood alcohol concentration for a male is:
BAC male = 10N- 7.5H
___________
6.8m
Calculate the mans BAC if he had 5 standard drinks in 4 hours and his weight is 95kg.
10 x 5-7.5 x 4
____________
6.8 x 95
=0.03
John receives $10551.50 gross pay for his 4 weeks annual leave. This includes a 17.5% holiday loading calculated on the leave period only. Calculate Isacc's annual gross income. Answer correct to the nearest dollar.
$116740
Before Melbourne was called Melbourne, it was known as ?
Batman