Recent questions without a selected answer

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1 answer

The figure below shows two circles of radii 10.5 and 8.4cm and with centres A and B respectively. The common chord PQ 9cm.

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

Four towns P, R, T and S are such that R is 80km directly to the north of P and T is on a bearing of 290° from P at a distance of 65km. S is on a bearing of 330° from T and a distance of 30 km. Using a scale of 1cm to represent 10km, make an accurate scale drawing to show the relative position of the towns. Find:

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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2 answers

The displacement, S metres of a moving particle from point O, after t seconds is given by: S = t3 – 5t2 + 3t + 10

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

A Matatu and a Nissan left town A for town B 240km away at 8.00am travelling at a speed of 90km/hr and 120 km/h respectively. After 20minutes the Nissan had a puncture which took 30minutes to mend.

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

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1 answer

A businessman makes a profit of 20% when he sells a carpet for Ksh. 36000. In a trade fair he sold one such carpet for Ksh. 33600. Calculate the percentage profit made on the sale of the carpet during the trade fair.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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1 answer

In Blessed Church Choir the ratio of males to females is 2:3. On one Sunday service ten male members were absent and six new female members joined the choir as guests for the day. If on this day the ratio of males to females was 1:3, how many regular members does the choir have?

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

The sum of digits in a two digit number is 16. When the number is subtracted from the number formed by reversing the digits the difference is 18. Find the number.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

The points A, B and C lie on a straight line. The position vectors of A and C are 2i + 3j + 9k and 5i - 3j + 4k respectively; B divides AC internally in the ratio 2:1 Find the:

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

The gradient of a straight line L1, passing through the point P (3, 4) and Q (a, b) is -3/2. A line L2 is perpendicular to L1 through Q and R (2, -1). Determine the values of a and b.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

A tourist arrived in Kenya with sterling pound (£) 4680 all of which he exchanged into Kenyan money. He spent Ksh.51790 while in Kenya and converted the rest of the money into US dollars. Calculate the amount he received in US dollars. The. Exchange rates were as follows.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

Two pipes A and B can fill an empty tank in 3hrs and 5hrs respectively. Pipe C can empty the tank in 4hrs. If the three pipes A, B and C are opened at the same time find how long it will take for the tank to be full.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

Find the inverse of the matrix.

asked Aug 13, 2021 in Mathematics Form 3 by anonymous

0 votes

1 answer

A liquid spray of 384g is packed in a cylindrical container of internal radius 3.2cm. Given that the density of the liquid is 0.6g/cm3, calculate to 2 decimal places the height of the liquid in the container.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

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1 answer

A famer has a piece of land measuring 840m by 396m. He divides it into square plots of equal sizes. Find the maximum area of one plot.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

Find the value of x in the equation.

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

In the figure below PQRS is a trapezium with QR parallel to PS.QR=6cm, RS=4cm, QS=9cm and PS=10cm

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

Solve for X in the equation.

asked Aug 13, 2021 in Mathematics Form 1 by anonymous

0 votes

1 answer

Simplify the following

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

A boy cycles a certain distance from X to Y at 10km/hr, he returns at 12km/hr. The total time taken is 1hr 50min. find the distance XY.

asked Aug 13, 2021 in Mathematics Form 2 by anonymous

0 votes

1 answer

what is gene linkage

asked Aug 13, 2021 in Biology Form 4 by garuambe

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