Recent questions in Mathematics

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1 answer

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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1 answer

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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1 answer

Mr. Wanyama has a plot that is in a triangular form. The plot measures 170m, 190m and 210m, but the altitudes of the plot as well as the angles are not known. Find the area of the plot in hectares

asked Jun 29, 2021 in Mathematics Form 1 by Majay

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5 answers

A number m is such that when it is divided by 30, 36 and 45,the remainder is always 7. Find the smallest possible value of m.

asked Jun 29, 2021 in Mathematics Form 1 by Majay

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2 answers

What's the GCD of 12,15 and 21?

asked Jun 28, 2021 in Mathematics Form 1 by Majay

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1 answer

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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1 answer

In the figure below A, B, C and D are points on the circumference of the circle, centre 0, A tangent to the circle at A intersects chord CD produced at E. Line AB is parallel to line EC. Angle AED = 45° and angle ABD = 40°.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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1 answer

The systolic blood pressure of 60 patients attending a clinic was recorded as follows:

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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1 answer

A road contractor has to transport 240 tonnes of hardcore. He will use two types of lorries, type A and type B. He has 3 type A lorries and 2 type B lorries. The capacity of each type A lorry is 8 tonnes while that of type B is 15 tonnes. All type A lorries must each make the same number of trips. Similarly all type B lorries must each make the same number of trips. The number of trips made by each type B lorry should be less than twice those made by each type A lorry. Each type A lorry must not make more than 6 trips.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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1 answer

An aircraft took off point A(xºN, 15ºE) at 0720h, local time. It flew due West to another point B(xºN, 75ºW) a distance of 5005 km from A. After a stopover ot 1 hour 30 mimutes at point B. the aircraft took off and flew for 3 hours 40 minutes due South to a point C. The aircraft maintained an average speed of 910 km/h for the journey fom A to B and also from B to C (Take π = 22 and the radius of the earth to be 6370 km) 7

asked Jun 18, 2021 in Mathematics Form 4 by anony mous

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1 answer

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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1 answer

Kering purchased (2x-1) identical pens for Ksh 180. Naraya purchased (3x+ 1) identical pencils for Ksh 200.

asked Jun 18, 2021 in Mathematics Form 1 by anony mous

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1 answer

A farmer has two tractors P and Q. Tractor P, working alone, can plough a piece of land in 5 hours while tractor Q would take 1 2/3 hours less than tractor P.

asked Jun 18, 2021 in Mathematics Form 1 by anony mous

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1 answer

A particle moves in a straight line from a fixed point. The velocity V ms-1 of the particle after t seconds is given by V = t2- 4t + 6. Calculate the distance travelled by the particle in the first 4 seconds.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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1 answer

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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1 answer

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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1 answer

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 an experiment involving two variables, time (t), hours and height, (h) ; the following results were obtained.

asked Jun 18, 2021 in Mathematics Form 2 by anony mous

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1 answer

A point P(x, y) is mapped onto P'(x1, y1) by successive transformations M = matrix M followed by N = matrix N Determine the single transformation matrix that would map P'(x1, y1) onto P(x, V).

asked Jun 18, 2021 in Mathematics Form 4 by anony mous

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