Simplify:
5x+3x
8x
State the sum of the interior angles of a triangle.
180°
List the three different types of averages.
Mean, Mode and Median
What bearing represents moving in a north direction?
0 or 360 degrees
The general name of a polygon (many sided figure) with 4 sides is a ...?
Quadrilateral
Expand:
3(x+4)
3x + 12
Find the area of a triangle with base 10 cm and height 6 cm.
30 cm²
If a set has 3 elements eg. {a,b,c}. How many possible subsets may be formed from it?
8
The next term in the sequence 1, 1, 2, 3, 5, 8, ... is?
13
If a ship sails on a bearing of 2700, in what direction is it sailing?
Factorize:
x2+6x+9
(x+3)2
Find the hypotenuse of a right triangle with sides 6 cm and 8 cm.
c=10
The mean of 5 numbers is 12, what is the total of all the numbers?
60
If it takes 5 men 6 days to build a bridge, how long would it take 3 men to build the same bridge?
10 days
The general name of a polygon with 8 sides is a/an ...?
Octagon
Factorize completely:
x2−16
(x−4)(x+4)
Given that a* b = a2 – b2 then 13 * 12 =
25
The area of a rectangle is 100 cm2. If its length is 20cm, what is its width?
5 cm
A plane leaves Barbados at 2145 hrs and arrives in New York at 0415 hrs the next day. How long did the journey take?
6 hrs 30 min
If $360 is divided into two parts in the ratio 3:5 the smaller part is
$135
Solve:
3(x−2)=2x+5
x=11
If $7000 is borrowed at a rate of 10% per annum for 3 years, the simple interest is?
$2100
A motorist travelled 60 km in 1 hour and a further 90 km in 2 hours. His average speed in km/hr, for the entire journey was
50 km/hr
The sum of two numbers is 36 and their difference is 18. Give any of the two numbers:
27 or 9
What is the simple interest on a sum of $600 deposited in the First International Caribbean Bank for 4 years if the interest rate is 3%
$72