Answers by anony mous

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Three types of tea costing sh203,sh146 and sh197 per kg are blended in the ratio of 2:5:k. Find the value of k,if the blend when sold at sh221 per kg gives 30% profit

answered Aug 2, 2021 in Mathematics Form 1

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Simplify the expression

answered Aug 2, 2021 in Mathematics Form 2

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A tourist from Kenya left for Ethiopia. He exchanged sh 9898 into Ethiopian Birr at the rate of 1 Eth.Birr=ksh7.95. He spent ¾ of the money he got and converted the balance back to Kenyan money at the rate of 1Eth.Birr=ksh7.98 Calculate what he finally got to 2dp

answered Aug 2, 2021 in Mathematics Form 1

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Use a calculator to work out

answered Aug 2, 2021 in Mathematics Form 2

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Rationalize the denominator and simplify

answered Aug 2, 2021 in Mathematics Form 1

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Solve the quadratic equation by completing of squares giving your answer to 3sf

answered Aug 2, 2021 in Mathematics Form 3

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A piece of wire 40cm is bent to form a right-angled triangle whose hypotenuse is 17cm long. Find the lengths of the other two sides of the triangle

answered Aug 2, 2021 in Mathematics Form 2

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Given that cos θ= –0.8070 , find θ for 0≤θ≤720

answered Aug 2, 2021 in Mathematics Form 2

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The angle of elevation of the top of a tree from a point P on horizontal ground is 30º. From another point Q 8 metres from the base of the tree, the angle of elevation of the top of the tree is 48º.

answered Aug 2, 2021 in Mathematics Form 1

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A rectangle measures 20cm by 15cm.If each dimension is increased by 2.5cm, by what percentage is

answered Aug 2, 2021 in Mathematics Form 1

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Find the greatest number which divides 181 and 236 and leaves a remainder of 5 in each case

answered Aug 2, 2021 in Mathematics Form 1

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Simplify a+b/2 – 2a–b/3

answered Aug 2, 2021 in Mathematics Form 1

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Evaluate 36 –8×–4 –15÷ –3 / –3×–3–8(–6+ –2)

answered Aug 2, 2021 in Mathematics Form 1

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The distance between two towns A and B is360km.A minibus left town A at 8.15a.m and travelled towards B at an average speed of 90km/hr. A matatu left town B at 10.35a.m on the same day and travelled towards A at an average speed of 110km/hr.

answered Aug 2, 2021 in Mathematics Form 2

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Using ruler and compasses only,

answered Aug 2, 2021 in Mathematics Form 1

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A wooden stool is in the form of a frustum of a cone with slant edge 40cm,top diameter 30cm and bottom diameter 50cm.

answered Aug 2, 2021 in Mathematics Form 2

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The velocity(v)of a vehicle measured at intervals of time(t) were recorded as follows

answered Aug 2, 2021 in Mathematics Form 2

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The marks scored in a form three maths exam were recorded as follows

answered Aug 2, 2021 in Mathematics Form 2

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In the figure below, O is the centre of the circle and ∟EAD=40º,∟BCD=118º

answered Aug 2, 2021 in Mathematics Form 1

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Represent the following inequalities graphically by shading the unwanted region x≥0, y≥0, x+y≥5, x+y≤10, y≤7, x≤7

answered Aug 2, 2021 in Mathematics Form 2

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