Recent questions without an upvoted answer

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The position vectors of points A and B are OA=q21 vector a and OB = q21 vector b .A point M is on AB such that AM = ½AB and a point N is on OB such that ON:NB= 1:

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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A forest is enclosed by four straight boundaries AB, BC, CD and DA. Point B is 25km on a bearing of 315° from A, C is directly south of B on a bearing of 260° from A and D is 30km on a bearing of 210° from C.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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The average speed of a pick-up was 20km/h faster than the average speed of a lorry. The pick-up took 45 minutes less than the lorry to cover a distance of 180 km.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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A solid consists of a conical part, a cylindrical part and a hemispherical part. All the parts have the same diameter of 12cm. The height of the cylindrical part is 15cm and the slanting height of the conical part is 10 cm. (Take π = 3.142).

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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Three business partners, Kosgei, Kimani and Atieno contributed Ksh 1,750,000 towards an investment. Kosgei contributed 20% of the money. Kimani and Atieno contributed the remainder in the ratio 3:5 respective

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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1 answer

The figure below shows a quadrilateral ABCD and a mirror line M1M2.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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In a 4x400 m relay competition, a team of athletes each completed their round in 45 sec, 43 sec, 44 sec and 45 see respectively. If the race started at 1:35:31 p.m., find the time when the team completed the race.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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A vertical electric pole was erected 6.4m from the foot of a vertical fencing pole on the same horizontal level. The fencing pole is 2m high. The angle of elevation of the top of the electric pole from the top of the fencing pole is 30°. Determine the height of the electric pole correct to 1 decimal place.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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A chord of a circle, 7 cm long subtends an angle of 60° at the centre of the circle. Detemine the area correct to 2 decimal places, of the major segment of the circle.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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A Kenyan Non-Governmental Organization (NGO) received a donation of 200 000 US dollars. The money was converted into Kenyan shillings in a bank which buys and sells foreign currency as follows:

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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Using a ruler and a pair of compasses only, construct a parallelogram ABCD in which AB = 6cm, BC = 5cm and angle ADC = 150°.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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In the figure below, AB and CD are arcs of two concentric circles, centre O. Angle AOB = 60° and AD=BC=7cm.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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2 answers

Given that sin(θ+30°)=cos2θ, find the value of cos(θ+40°).

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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Using a grid, solve the simultaneous equations.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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The sum of the interior angles of a regular polygon is 1260°. Find the size of each exterior angle of the polygon.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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The line 2y+x= 1 is perpendicular to a line L. Line L passes through point (2,−1), Determine the equation of L in the form y = mx + c, where m and c are constants.

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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1 answer

Simplify the equation

asked Jun 17, 2021 in Mathematics Form 2 by anonymous

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1 answer

A rectangular floor of a room measures 5.4 m long and 4.2 m wide. The room is to be covered with square tiles. Calculate the minimum number of square tiles that can be used to cover the floor.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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1 answer

Without using a calculator or mathematical tables, evaluate:

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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Express the recurring decimal as a mixed number.

asked Jun 17, 2021 in Mathematics Form 1 by anonymous

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