Recent questions in Mathematics Form 3

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In the figure below, the chords CD and AB intersect externally at T. DT = 4 cm, BT = 3 cm and CD = 5 cm. calculate the length AB.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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1 answer

Triangle ABC is such that AB = 8 cm, BC = 11 cm and AC = 15 cm. calculate correct to 2 decimal places the; Angle ABC Radius of the circum circle

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Express in surd form and simplify by rationalizing the denominator.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Make b the subject of the formula.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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1 answer

Form a quadratic equation whose roots are 2.5 + √3 and 2.5 - √3 giving your answer in the form ax2+bx+c=0 where a, b and c are integers

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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If x = 9.6, y= 3.60 and z = 5, Find the percentage error in the calculation of (x+y)/z, giving your answer to three significant figures.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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Find the selling price of 6 kg of a mixture of maize flour and millet flour if 4 kg of maize flour costing sh. 60 per kg is mixed with 6 kg of millet flour costing sh. 45 per kg and a profit of 20% is realized.

asked Jun 30, 2021 in Mathematics Form 3 by anonymous

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The table below shows the number of students in each class in a school. The percentage (%) of the students in each class who wear glasses is also shown.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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The table below shows the income tax rates for a certain year

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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The position vectors of points P, Q and R are Show that points P. Q and R are collinear.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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Solve the equation sin2θ - cos2θ = - 1/2 for 0°≤ θ ≤ 360°

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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1 answer

The cash price of a cooker is Ksh 27 500. A customer opts to buy the cooker on hire purchase terms by paying a deposit of Ksh 17250. Determine the monthly rate of compound interest charged on the balance if the customer is required to repay by six equal monthly instalments of Ksh 2 100 each.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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The mean of six numbers is calculated. The deviations of the numbers from the mean are -4.5. 3, 2. d, 1. Detemine the value of d and hence find the exact variance of the numbers.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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1 answer

In the figure below, O is the centre of the circle and N is a point on the circumference.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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1 answer

Expand the expression (1- 3/10 x)5 in ascending powers of x, leaving coefficient as fractions in their lowest form.

asked Jun 18, 2021 in Mathematics Form 3 by anony mous

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