- A metallic sphere is immersed in water in a cylindrical container. This causes a rise in the level of water by 7.5cm if the cylinder...(Solved)
A metallic sphere is immersed in water in a cylindrical container. This causes a rise in the level of water by 7.5cm if the cylinder has a base radius of 7cm. Find the radius of the sphere to 2 d.p
Date posted: August 19, 2019. Answers (1)
- Find the greatest integral value of x which satisfies.(Solved)
Find the greatest integral value of x which satisfies.
Date posted: August 19, 2019. Answers (1)
- A salesman gets commission of 2% on sales upto shs. 100,000. He gets additional commission of 1½ % on sales above this. He sold goods...(Solved)
A salesman gets commission of 2% on sales up to shs. 100,000. He gets additional commission of 1½ % on sales above this. He sold goods and allowed a discount of 2%. If he received a commission of Sh. 5792 calculate the sales made.
Date posted: August 19, 2019. Answers (1)
- A parallelogram ABCD has the coordinates A (3,-2) B (2,3) and C ( -4,-2). Using vector method find the co-ordinates of point D.(Solved)
A parallelogram ABCD has the coordinates A (3,-2) B (2,3) and C ( -4,-2). Using vector method find the co-ordinates of point D.
Date posted: August 19, 2019. Answers (1)
- Solve for x in the following without using a calculator or mathematical tables.
9x( 27(x-1)) = tan 30o(Solved)
Solve for x in the following without using a calculator or mathematical tables.
9x( 27(x-1)) = tan 30o
Date posted: August 19, 2019. Answers (1)
- An aircraft takes off from airport A ( 30oS, 45oE) at 11.30 am at a speed of 60 knots to another airport B ( 30oS,...(Solved)
An aircraft takes off from airport A ( 30oS, 45oE) at 11.30 am at a speed of 60 knots to another airport B ( 30oS, 30oE). Calculate the time the aircraft arrived at B.
Date posted: August 19, 2019. Answers (1)
- Simplify completely:(Solved)
Simplify completely:
Date posted: August 19, 2019. Answers (1)
- Evaluate the following(Solved)
Evaluate the following
Date posted: August 19, 2019. Answers (1)
- Using ruler and a pair of compasses only:(Solved)
Using ruler and a pair of compasses only:
(a) Construct triangle ABC in which BC = 8cm and angle ABC = 1050 and angle BAC = 450.
(b) Drop a perpendicular from A to meet line BC at P. Determine the area of triangle ABC.
Date posted: August 19, 2019. Answers (1)
- (a) Using a ruler and compasses only, construct triangle PQR in which QR=5cm,PR = 7cm and angle PRQ = 105o
(b) Measure PQ and Angle...(Solved)
(a) Using a ruler and compasses only, construct triangle PQR in which QR=5cm,PR = 7cm and angle PRQ = 105o
(b) Measure PQ and Angle PQR
(c) From P drop a perpendicular to meet QR produced at S
(d) Mark a point T on SP produced such that the area of triangle TQR is half the area of triangle PQR.
(e) Complete the TQR and measure angle QRT
(f) measure ST and angle QTR
Date posted: August 19, 2019. Answers (1)
- Four strings measuring 12cm, 18cm, 24cm and 36cm are cut into pieces of equal length so that exact number of pieces are obtained from each...(Solved)
Four strings measuring 12cm, 18cm, 24cm and 36cm are cut into pieces of equal length so that exact number of pieces are obtained from each string without wastage. Find the longest length of each string.
Date posted: August 19, 2019. Answers (1)
- A triangular piece of land PQR has side PO=50m, QR=75m and PR=95m
(a) Calculate the area of the triangular piece of land PQR.
(b) Calculate the value...(Solved)
A triangular piece of land PQR has side PO=50m, QR=75m and PR=95m
(a) Calculate the area of the triangular piece of land PQR.
(b) Calculate the value of ∠PRQ.
(c) A new piece of land PQRS is a trapezium with PS// OR, whose is three times that of triangle PQR, Calculate the perimeter of PQRS.
Date posted: August 19, 2019. Answers (1)
- Use tables to evaluate:-(Solved)
Use tables to evaluate:-
Date posted: August 19, 2019. Answers (1)
- The points P(-6, 4) and Q (2,2) are the end points of the diameter of a circle.(Solved)
The points P(-6, 4) and Q (2,2) are the end points of the diameter of a circle.
(i) Find the coordinates of the centre of the circle.
(ii) Hence find the equation of the circle giving your answer in the form
ax2 + by2 + cx + dy + k = 0
Date posted: August 19, 2019. Answers (1)
- Three businessmen Onyango,Abdul and Mwangi decided to buy bus. The marked price of the bus was sh. 6,800,000. The dealers agreed that the three men...(Solved)
Three businessmen Onyango,Abdul and Mwangi decided to buy bus. The marked price of the bus was sh. 6,800,000. The dealers agreed that the three men could pay a deposit of 60% of the money and the rest to be paid within one year. Onyango, Abdul and Mwangi raised the deposit in the ration 3: 2 :5 respectively.
The balances was to be paid to the dealer from the proceeds from the bus in the same ratio as the deposits. The three men shared the proceeds from the bus in the ratio as the deposits. During the year the bus realized sh. 6,080,000
(a)How much of the deposit did Abdul contribute?
(b)How much of the remaining amount did Mwangi pay at the end of the year ?
(c)After paying the remaining amount at the end of the year, how much money was Onyango left with?
Date posted: August 19, 2019. Answers (1)
- On the figure below, Lm is parallel to PQ. Angle MLR = 300 and angle RPQ = 700.(Solved)
On the figure below, Lm is parallel to PQ. Angle MLR = 300 and angle RPQ = 700. Find the value of x.
Date posted: August 19, 2019. Answers (1)
- The table below gives the age distribution of the people who live in a certain village in years.
(a) Represent this information on a histogram.
(b) Calculate...(Solved)
The table below gives the age distribution of the people who live in a certain village in years.
(a) Represent this information on a histogram.
(b) Calculate the mean age of the population in this village.
Date posted: August 19, 2019. Answers (1)
- The marked price of a modern camera is Kes 24,000. A trader sold it to a customer at a 10% discount.(Solved)
The marked price of a modern camera is Kes 24,000. A trader sold it to a customer at a 10% discount. If the trader still made a profit of 20% on the cost price, what was its cost price?
Date posted: August 19, 2019. Answers (1)
- If sin ? = 15/17 and ? is acute, find without using calculators or mathematical tables cos ? + tan ?.(Solved)
If sin Ф = 15/17 and Ф is acute, find without using calculators or mathematical tables cos Ф + tan Ф.
Date posted: August 19, 2019. Answers (1)
- The figure below is a semi-cylindrical solid of length 18cm and radius 3.5cm as shown(Solved)
The figure below is a semi-cylindrical solid of length 18cm and radius 3.5cm as shown.
(a) Draw the labeled net of the solid.
(b) Find the surface area of the solid.
Date posted: August 19, 2019. Answers (1)