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If \(p=\sqrt{\frac{rs^3}{t}}\), express r in terms of p, s and t?
I.S∩T∩W=S II. S ∪ T ∪ W = W
III. T ∩ W = S
If S⊂T⊂W, which of the above statements are true?
If x = {n\(^2\)+1:n is a positive integer and 1 \(\leq\) n \(\leq\) 5},
Y = {5n:n is a positive integer and 1 \(\leq\) n \(\leq\) 5}, find x \(\cap\) y.
Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\)
If log\(_{10}\)2 = 0.3010 and log\(_{10}\)7 = 0.8451, evaluate log\(_{10}\)280
A student spent 1/5 of his allowance on books, 1/2 of remainder on food and kept the rest for contingencies. What fraction was kept?
A man bought a second-hand photocopying machine for N34,000. He serviced it at a cost of N2,000 and then sold it at a profit of 15%. What was the selling price?
Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.
Simplify \(7\frac{1}{12}-4\frac{3}{4}+2\frac{1}{2}\)
If 55\(_x\) + 52\(_x\) = 77\(_{10}\) find X