Algebra
Solve:
3x - 4 = 23
x = 9
Luke earns $200 per week plus 9% commission on all sales.
How much does he earn in a week where he makes $560 worth of sales.
$250.40
What is the Median and how do you find it?
The middle number when data is arranged in ascending order.
Cross off numbers from each end of the data set until one/two left in middle.
Convert 18.7356 cm to km.
0.000187356 km
What is Ms Jordan's NRL footy team?
Manly Sea Eagles
Simplify (2x)2
4x2
What is the formula for Simple Interest?
I = Prn
If the Probability that it will rain tomorrow is 4/5.
What is the Probability that it will NOT rain, expressed as a percentage.
1/5 = 20%
Write 3 700 000 000 in standard (scientific) notation
3.7 x 109
What number (between 0-10) is considered to be the most loved number?
7
What is the solution to: x/3 = -8
x= -24
What is the Compound Interest Formula?
A = P (1 + r )n
What is the probability that an even red card will be chosen from a deck of cards?
P (red) = 10/52
What is the precision (smallest measurement) on a standard ruler?
1 mm
Australia once lost a war to what animal?
Emu's.
Evaluate P if P= 2l + 2b and l= 12 and b=10
P= 44
Find the Compound Interest on a loan of $4000 compounded at 12% p.a monthly over 5 years.
A = P (1 + r)n
A = 4000 x (1+ 0.01)60
A =$7266.79
therefore: Interest is $7266.79 - $4000
$3266.79
Find the Interquartile range for the data set:
3, 4, 5, 5, 6, 8, 9, 10, 10, 10.
IQR = 5
If the formula for the volume of a sphere is: 4/3 Pi x radius3, Find the Volume of a Hemisphere with a diameter of 3.5m
(answer to one decimal place)
V = 11.2m3
A chicken named Mike lived for how many months after its head was chopped off?
18
Levi weighs 74kg and consumes 5 standard drinks in 1 hour.
Calculate his BAC
0.084
Rearrange the compound interest formula to make "P" the subject of the formula.
P = A/ (1+r)n
Find the Standard deviation of the data set below, correct to 2 decimal places:
4, 5, 6, 7, 7, 7, 8, 9, 9, 9, 9, 10
s.d = 1.76
What is the Trapezoidal Rule?
A = h/2 (df +dl)
Rearrange the equation to make SinC the subject of the formula:
A= 1/2abSinC
SinC = 2A/ab