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If R = {2, 4, 6, 7} and S = {1, 2, 4, 8} then R ∪ S equals
Find the nth term U\(_n\) of the A.P. 11, 4, -3, …
By selling some crates of soft drinks for ₦600.00, a dealer makes a profit of 50%. How much did the dealer pay for the drinks?
Given that log\(_2a\) = log\(_84\), find a.
Simplify 0.027\(^{-\frac{1}{3}}\)
Express 0.000834 in standard form.
If three children share ₦10.50 among themselves in the ratio 6:7:8, how much is the largest share?
Find (101\(_2\))\(^2\), expressing the answer in base 2.
For what values of y is \(\frac{y + 2}{8y^2 - 10y + 3}\) not defined?
The fourth and eighth terms of an Arithmetic Progression are 16 and 40 respectively. Find the common difference.
Find the range of the following set of numbers: 28, 29, 39, 38, 33, 37, 26, 20, 15, and 25.
Which of the following points lies on the line 3x - 8y = 11?
The probability that Amaka will pass an examination is \(\frac{3}{7}\) and that Bala will pass is \(\frac{4}{9}\). Find the probability that both will pass the examination.
In the diagram \(\overline{TU}\) is a tangent to the circle SPQR at P. If \(\angle\)PTS = 44º, \(\angle\)SQP = 35º, find \(\angle\)PST
A cliff on the bank of a river 87 m high. A boat on the river is 22 m away from the cliff. Calculate, correct to the nearest degree, the angle of depression of the boat from the top of the cliff.
The area of a sector of a circle with radius 7cm is 51.3 cm\(^2\). Calculate, correct to the nearest whole number, the angle of the sector. (Take \(\pi\) = \(\frac{22}{7}\))
A die is tossed once. Find the probability of getting a prime number.
Two opposite sides of a rectangle are (5x + 3) m and (2x + 9) m. If an adjacent side is (6x - 7) m, find in m\(^2\), the area of the rectangle.
The following are the masses (in kg) of members in a club: 59, 44, 53, 49, 57, 40, 48, and 50. Calculate the variance of the distribution.
The following are the masses (in kg) of members in a club: 59, 44, 53, 49, 57, 40, 48, and 50. Calculate the mean mass.