Riliwan

This page lists questions and answers that were posted by visitors named Riliwan.

Questions

The following questions were asked by visitors named Riliwan.

A cylindrical tin 8cm in diameter contains water to a depth of 4cm. if a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged. what is the New depth of water

A heavy 9cm diameter ball is placed in an empty cylindrical tin of diameter 12cm. Enough water is poured into the can to cover the ball.if the ball is then removed , how far does the water level fall

The diagonal of a parallelogram 6cm and 8cm long and they intersect at an angle of 55 degrees. calculate the area of the parallelogram

Two sides of a triangular field are 120m and 200m.If the angle between the sides is 68 degrees. find the area of the field in hectares

8kg of fertilizer are needed for a garden.How much fertilizer would be needed for a garden of double the dimensions

1kg of rice seed is needed for a rectangular plot 25m long.How much seed would be needed for a similar plot which is 100m long

The diameter of a sphere is three times that of another sphere.How many times greater is its surface area

A box of height 8cm has a volume of 320cm cube.What is the volume of a similar box of height 6cm

A cylinder is 8cm high and its base diameter is 4cm.The height of a similar cylinder is 12cm. The height of a similar cylinder is 12cm.find the diamter of the base of the larger cylinder

An aircraft takes off at an angle of 5.2 degrees to the ground.How high is it when it has moved 2000m horizontally from its take-off point

4 circles inscribed in a big circle of radius rcm express the radius of the large circle in terms of r

A car which cost #1.8 million when New Depreciates by about 12% in the first 6 months.find the value after 6 months to 2 significant figures

Sule,Tayo and Uche agreed to share the expenses for an evening out in the ratio 2:3:4 respectively.Sule paid #2030 for the taxi,Tayo paid #4900 for the food and Uche paid #3150 for the cinema.How much should Sule and Uche pay Tayo to settle their agreed s...

6y=3=3 2y=2=2 9x=2=2 7x=2=2 5x= 12y= 13x= 6y=

A construction company is owned by two partners X and Y and it is agreed that their profit will be divided in the ratio 4:5. at the end of the year. Y received #5,000 more than x. what is the total profit of the company for the year

Solve the following equations 4x – 3 = 3x + y = 2y + 5x – 12

If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?

The lengths ofthe sides of a right-angled triangle at (3x+ 1)cm, (3x - 1)cm and xcm.

A man drove for 4hours at a certain speed, he then doubled his speed and drove for another 3 hours. Altogether he covered 600km. At what speed did he drive for the last 3 hours?

P sold his bicycle to Q at a profit of 10%. Q sold it to R for #209 at a loss of 5%. How much did the bicycle cost P?

A radioactive substance has a half life of 60s.what fraction of the original substance would you expect to exist after 180s.

Answers

The following answers were posted by visitors named Riliwan.

please I used the above formula but the answer not correct

A cylindrical tin 8cm in diameter contains water to depth of 4cm.If a cylindrical wooden rod 4cm in diameter and 6cm long is placed in the tin it floats exactly half submerged.what is the New depth of water

A town B is due north of A.A third town C is 10km on a bearing 020 degrees from A.If B is on a bearing of 290 degrees from B.calculate (a) BC (b) AB

A town B is due north of A.A third town C is 10km on a bearing 020 degrees from A.If B is on a bearing of 290 degrees from B.calculate (a) BC (b) AB