Find the median of the set of numbers 12, 15, 13, 14, 12, 12.
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The table above shows the scores of a group of 40 students in a physics test
What is the mean of the distribution?
The table above shows the scores of a group of 40 students in a physics test.
If the mode is m and the median is n, then (m,n) is
Find the median of the following set of numbers: 28, 29, 39, 38, 33, 37, 26, 20, 15, 25
At a point 500m from the base of a water tank the angle of elevation of the top of the tank is 45o. Find the height of the tank,
The angle of elevation of the top of a tower from a point on the horizontal ground, 40m away from the foot of the tower is 30o. Find the height of the tower.
If sin x = 12/13, where 0° < x < 90°, find the value of 1 - cos\(^2\)x
Given that tan x = 5/12, what is the value of sin x + cos x ?
State the fifth and seventh terms of the sequence \(-2, -3, -4\frac{1}{2}, ...\)
Simplify \(\frac{2.25}{0.015}\) leaving your answer in standard form
In the diagram above, QRS is a straight line, QP//RT, PRQ = 56°, ∠QPR =84° and ∠TRS = x°. Find x
In the diagram above, |PQ| = |QR|, |PS| = |RS|, ∠PSR = 30o and ∠PQR = 80o. Find ∠SPQ.
In the diagram above, |QR| = 12cm and |QS| = 10cm. If ∠PQR = 90°, ∠RSQ = 90° and PSQ is a straight line, find |PS|
The sum of an interior angles of a regular polygon is 30 right angles. How many sides has the polygon?