Trigonometry
What 2 sides of a right angled triangle are linked in the Tan ratio?
Opposite and Adjacent
A farmer has 17 sheep, and all but 9 die. How many are left?
9
Expand the following... 3(x+5)
3x+15
Express 2.4 x 10^3 as a decimal number
2400
Which can be divided by both 2 and 5: 2, 5, 10, 40, 55?
What is 10, 40
Find the length of the adjacent side in a right angled triangle with a hypotenuse of 20cm and an angle of 35 degrees
16.38
If it took 6 people 9 hours to build a barn, how long would it take 12 people to build the same barn?
None, the Barn is already built!
(x+3)(x-7)
x^2 - 4x - 21
Give the next three numbers in the sequence .... -5, -1, 3, 7, .....
11, 15, 19
In math, 1-b is the same as b-a. True or False?
False
Find the length of the hypotenuse if one side is 16cm and the angle opposite it is 62 degrees.
18.12cm
If you buy a rooster for the purpose of laying eggs and you expect to get three eggs each day for breakfast, how many eggs will you have after three weeks?
Zero, roosters do not lay eggs!
Factorise the following ... x^2 - 64
(x-8)(x+8)
Give the next three numbers in the sequence .... 1, 1, 2, 3, 5
8, 13, 21
Give the number of weeks and days in 25 days.
3 weeks, 4 days
Find the two angles of a right angled triangle which has a hypotenuse side = 13cm and another side = 5cm
22.6 and 67.4
If you multiply this number by any other number, the answer will always be the same. What number is this?
zero
Expand and simplify the following ..... (x-3)(x-3) - 3(x+4)
x^2 - 9x - 3
1, 9, 25
49, 81, 121
Rename this decimal as a percent: 0.09.
9%
A man looks down at a boat from a cliff that is 50m high. How far away from the cliff is the boat if the angle of depression from the man to the boat is 25 degrees?
107.2m
Divide 30 by 1/2 and add 10. What is the answer?
70
Factorise the following 5x^2 - 45
5(x-3)(x+3)
I am thinking of a number. If you add 5 to it and then multiply by 3, the result is 45. What is the number?
The number is 10. (10 + 5) * 3 = 45.
If n-250=350, what's the value of n?
What is 600