The average age of the four female teachers in a school is 40 and the average age of eight male teachers in the school is 25. Calculate the average age of the teachers in the school.
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2024
Subtract 14256\(_{seven}\) from 20045\(_{seven}\)
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2024
Convert the number 10111.11\(_{two}\) to a mixed number.
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2024
In the diagram above, T represents the construction of angle .....
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2024
Given that P is the set of all prime numbers between 0 and 10, and Q is the set of all odd numbers between 0 and 10. Find the union of elements in P that are not in Q and the elements in Q that are not in P.
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2024
Find x if \(\frac{16^{2 + x}}{4} = 64^x\)
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2024
P(x, 4) and Q( 10, 8) are two points joined by a straight line in a plane. If the midpoint of the line is (9, 6), find the value of x.
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2024
The scores of students in a test are recorded as follows: 4, 3, 3, 2, 1, 2, 5, 7, 8, 3, and 5. Find the mode of the mark.
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2024
Find the 7\(^{th}\) term of the sequence -10, 50, -250 ...........
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2024
Find the perimeter of a triangle whose vertices pass through ( 3, 2), (4, 5) and (6, 2) in surd form.
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2024
Simplify \(\frac{ 5 + \sqrt{7}}{3 + \sqrt{7}}\)
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2024
Differentiate y = (5x + 1)\(^4\)
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2024
A boy bought Oranges at the rate of #24.00 for 5 and sold it at the rate of # 30.00 for 4 Oranges. Find the profit made of the ones sold
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2024
From the top of a building 10m high, the angle of elevation of a fruit on top of a tree 25m is 30º. Calculate the horizontal distance between the building and the tree.
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2024
The Venn diagram above shows the number of students offering physics and chemistry in a class of 65. What is the probability that a student selected from the class offers physics and chemistry if every students offers…
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2024
PQR is a triangle such that |PQ| = |QR| = 8cm and QPR = 60º. Find the area of \(\angle\) PQR
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2024
The sum to infinity of a GP is 100, find its first term if the common ratio is -\(\frac{1}{2}\)
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2024
Let A = \(\begin{pmatrix}2 & -4 & 3\\5 & 1 & 0\end{pmatrix}\) and B = \(\begin{pmatrix}1 & 4 & -2\\-3 & 3 & -1\end{pmatrix}\). Find A + 2B