Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)
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2015
Integral ∫\( (5x^3 + 7x^2 − 2x + 5)\)dx
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2015
If y = \((x^2 + 3x − 1) ÷ (3x + 4).\) Find dy/dx
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2015
Evaluate log5(\( y^2x^5 ÷ 125b^{\frac{1}{2}}) \)
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2015
Evaluate log717
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2015
If an investor invest ₦450,000 in a certain organization in order to yield X as a return of ₦25,000. Find the return on an investment of ₦700,000 by Y in the same organization.
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2015
Given that S and T are sets of real numbers such that S = {x : 0 \(\leq\) x \(\leq\) 5} and T = {x :− 2 < x < 3} Find S \(\cup\) T
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2015
Determine the third term of a geometrical progression whose first and second term are 2 and 14 respectively
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2015
Find the distance between the points (-2, -3) and (-2, 4).
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2015
Simplify \(6\frac{1}{12} − 2 ¾ + 1 ½ \)
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2015
A man bought a car for ₦800 and sold it for ₦520. Find his loss per cent
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2015
If (159.75)10 = (y)6. Find x
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2015
Simplify 4 √[(390695T− 8)½)]
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2015
The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both?
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2015
Evaluate \( \int x^2 \text{Sin}x \Delta x \)
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2015
The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)
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2015
Solve x2 − 2x − 3 = 0
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2015
A pipe made of metal 10cm thick has an external radius of 11cm. find the area of metal in making 2.4cm of pipe
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2015
Find the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)
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2015
A man sells his new brand car for ₦420,000 at a gain of 15%. What did it cost him?