Finanical Maths
What is 25% of 120?
30
What is the Mode for this set of data?
3, 4, 7, 8, 9, 11, 23, 4, 7, 5
Bimodal: 4 and 7
Write the sentence below as an algebraic expression:
The sum of a number and 3 which is increased by the product of 2 and m
n+3+2m
When using Pythagoras Theorem, what is the formula to calculate side c?
c2=a2+b2
2 x 14
28
Mr Rice bought a bike for $15,000, He spent $ 2050 to fit it with niro tires and sold it for $ 19,000. Find his profit or loss ?
Profit of $1,950
Calculate the median of the following data:
2, 3, 7, 5, 8
Median = 5
Simplify the expression:
3m + 2 x 6h - 4m
12h - m
What is the longest side length of a triangle called?
Hypotenuse
How many days in 4 weeks?
28
Lorraine purchased a Beats wireless headphone for $199.09. How much GST should be paid on this item?
$19.909 or $19.91
What type of graph is it when the majority of the data in a graph is towards the left-hand side
It is positively skewed
Expand the brackets and collect like terms:
2 (3b + 4) - 2b
4b + 8
Calculate the Hypotenuse is the other side lengths are 10cm and 24cm.
26cm
What are the primary colours?
Red, yellow, and blue
Kindle loaned Marissa $20,000 to buy a car at a simple interest rate of 3.1% for 5 years. How much interest does Marissa give Kindle?
$3,100
What is it called when there is a difference between the upper and lower quartiles that represents the middle 50% of the study
The inter-quartile range
Factorise the expression:
12mb + 30m
6m ( 2b + 5)
What is does CAH stand for in trigonometry?
Cosine = Adjacent divide by Hypotenuse
How many minutes of Maths do you have in a week?
220 minutes
Amy deposited $8,500 in a savings account that paid 2% compounded quarterly. What was the balance after the first quarter (first 3 months)?
$8542.50
8500 x .02 = 170/4=42.50
8500 + 42.50 = 8542.50
Find the lower quartile median for the data:
106, 107, 107, 108, 109, 114, 115, 117, 117, 124
Q1=107
Expand the brackets and collect like terms:
2(5m - 3) + 4(2 + 6m)
34m + 2
Find: cos(59) (to 2 decimal places)
0.52
What is the name of the franchise with the slogan "Finger lick'in good"?
KFC