Recent questions without a selected answer

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The following are marks scored by form four student in Mathematics test.

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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asked Aug 13, 2021 in Mathematics Form 4 by anonymous

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Find the inverse of the matrix shown hence find the coordinates of the point Of intersection of the lines 3x + y = 4 and 2x – y = 1

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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A and B are two points on earth’s surface and on latitude 400 N. The two points are on the longitude 500W and 1300E respectively. Calculate the distance from A to B along a parallel of latitude in kilometers.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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A quantity P varies partly as Q and partly as the square root of Q, given that P=30 when Q=9, and P=14 when Q=16. Find P when Q=36.

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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A carpenter wishes to make, a ladder with 18 cross-pieces. The cross pieces are to diminish uniformly in lengths from 65cm at the bottom to 31cm at the top. Calculate the length in cm, of the eighth cross-piece from the bottom.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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Solve for x in 2 +log7(3x-4) =log798

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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If OA = 3i + 2j – 4k and OB = 4i + 5j – 2k, P divides AB in the ratio 3:-2. Determine the modulus of OP leaving your answer to 1 decimal place. Given that O is the origin.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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Given P, express q in terms of p and r

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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When Ksh. 60,000 was invested in a certain bank for 8years it earned a simple interest of Ksh. 14,400. Find the amount that must have been invested in the same bank at the same rate for 5years to earn a simple interest of Ksh. 12,000

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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Expand (1 + ¼ x)4

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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Find the radius and the coordinate of the centre of the circle whose equation is

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

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A coffee dealer mixes two brands of coffee, x and y, to obtain 40kg of the mixture worth Ksh. 65 per kg. If brand x is valued at Ksh. 70 per kg and brand y at ks.55 per kg. Calculate the ratio, in its simplest form, in which the brands x and y are mixed

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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In the figure below, O is the centre of the circle which passes through the points T,C and D. Line TC is parallel to OD and line ATB is a tangent to the circle at T. Angle DOC = 380. Calculate the size of angle CTB

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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Without using a calculator or mathematical tables, express in surd form and simplify leaving your answer in the form a + b √c where a, b and c are rational numbers.

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

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The length and width of a rectangular window pane measured to the nearest millimeter are 8.6cm and 5.3 respectively. Find to four significant figures, the percentage error in the area of the window pane.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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The diagram below a circle, centre O. PQ is a tangent to the circle at Q and PTOR is a straight line. QRST is a cyclic quadrilateral in which angle RTS = 350 and RT and QS are diameters. Giving reasons for your answer, find the size of:

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

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X, Y and Z are three quantities such that X varies directly as the square of Y and inversely as the square root of Z.

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

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The length and breadth of a rectangle are given as (6x - 1) and (x -2) metres respectively. If the length and breadth are each increased by 4 metres, the new area is three times that of original rectangle.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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The following measurement were recorded in a field book using XY as the baseline. XY = 400m.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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