Find the range of the following set of numbers 0.4, −0.4, 0.3, 0.47, −0.53, 0.2 and −0.2
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2017
If α and β are the roots of the equation 3x2 + bx − 2 = 0. Find the value of \(\frac{1}{\alpha}\) + \(\frac{1}{\beta}\)
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2017
If \(\frac{2 \sqrt{3} - \sqrt{2}}{\sqrt{3} + 2 \sqrt{2}}\) = m + n √ 6, find the values of m and n respectively.
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2017
Simplify \((\sqrt[3]{64}a^3)^{−1}\).
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2017
Find the gradient of the line joining the points (3, 2) and (1, 4).
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2017
The operation * on the set R of real number is defined by x * y = 3x + 2y − 1, find 3* − 1
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2017
Factorize completely x2 + 12xy + y + 3x + 3y - 18
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2017
If m * n = [mn − nm] for m, n belong to R, evaluate − 3 * 4
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2017
Find ∫(x2 + 3x − 5)dx
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2017
In the diagram MN, PQ and RS are parallel lines. What is the value of the angle marked X?
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2017
y is inversely proportional to x and y and 6 when x = 7. Find the constant of the variation
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2017
In how many ways can the word MACICITA be arranged?
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2017
In how many ways can the word MATHEMATICS be arranged?
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2017
The pie chart shows the allocation of money to each sector in a farm. The total amount allocated to the farm is ₦ 80 000. Find the amount allocated to fertilizer
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2017
If a rod 10cm in length was measured as 10.5cm, calculate the percentage error
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2017
Evaluate \(\frac{0.00000231}{0.007}\) and leave the answer in standard form