A polynomial in x whose roots are 4/3 and -3/5 is
A polynomial in x whose roots are 4/3 and –3/5 is A. 15×2 – 11x – 12 B.…
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If x = {n2+1:n is a positive integer and 1 (leq) n (leq) 5}, Y…
If x = {n2+1:n is a positive integer and 1 (leq) n (leq) 5}, Y = {5n:n is…
I.S∩T∩W=S II. S ∪ T ∪ W = W III. T ∩ W = S…
I.S∩T∩W=S II. S ∪ T ∪ W = W III. T ∩ W = S If S⊂T⊂W, which…
If log102 = 0.3010 and log107 = 0.8451, evaluate log10280
If log102 = 0.3010 and log107 = 0.8451, evaluate log10280 A. 3.4471 B. 2.4471 C. 1.4471 D. 1.4071…
Simplify (frac{5+sqrt{7}}{3+sqrt{7}})
Simplify (frac{5+sqrt{7}}{3+sqrt{7}}) A. 17-√7 B. 4-√7 C. 15+√7 D. 7-√7 Correct Answer: Option B Explanation (frac{5+sqrt{7}}{3+sqrt{7}}=frac{5+sqrt{7}}{3+sqrt{7}}times frac{3-sqrt{7}}{3-sqrt{7}}\ =frac{(5+sqrt{7})(3-sqrt{7})}{3^2…
A student spent 1/5 of his allowance on books, 1/2 of remainder on food and…
A student spent 1/5 of his allowance on books, 1/2 of remainder on food and kept the rest…
Evaluate (frac{81.81+99.44}{20.09+36.16}) correct to 3 significant figures.
Evaluate (frac{81.81+99.44}{20.09+36.16}) correct to 3 significant figures. A. 6.24 B. 3.22 C. 2.78 D. 2.13 Correct Answer: Option…
A man bought a second-hand photocopying machine for N34,000. He serviced is at a cost…
A man bought a second-hand photocopying machine for N34,000. He serviced is at a cost od N2,000 and…
Simplify (7frac{1}{12}-4frac{3}{4}+2frac{1}{2})
Simplify (7frac{1}{12}-4frac{3}{4}+2frac{1}{2}) A. 4 B. 41/6 C. 45/6 D. 51/6 Correct Answer: Option C Explanation (7frac{1}{12}-4frac{3}{4}+2frac{1}{2}=5left(frac{1-9+6}{12}right)\ 5left(frac{-2}{12}right)\ =4left(frac{12-2}{12}right))…
The result of rolling a fair die 150 times is as summarized in the table…
The result of rolling a fair die 150 times is as summarized in the table above. What is…