Arrange the number in ascending order
1,2,3,5,6,7,7,8
(5 +6)/2 = 11
joseph rimiru answered the question on October 7, 2017 at 19:15
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The mean mark scored by five students in a chemistry test was 20. 16,18,19 and 15 were marks scored by 4 students . find the...
(Solved)
The mean mark scored by five students in a chemistry test was 20. 16,18,19 and 15 were marks scored by 4 students . find the mark for the 5th student.
Date posted:
October 7, 2017
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Answers (1)
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A motorcycle reduced the velocity of a vehicle from 150 km/h to 75 km/h at a rate of 5 m/s^2. How long did this...
(Solved)
A motorcycle reduced the velocity of a vehicle from 150 km/h to 75 km/h at a rate of 5 m/s^2. How long did this take?
Date posted:
October 7, 2017
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Answers (1)
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A body moves at a velocity of 120 km/h. how much time will it need to cover 60 m?
(Solved)
A body moves at a velocity of 120 km/h. how much time will it need to cover 60 m?
Date posted:
October 7, 2017
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Answers (1)
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A handball travels 15 m towards the goal area in 1.5 s. what is its average velocity in km/h?
(Solved)
A handball travels 15 m towards the goal area in 1.5 s. what is its average velocity in km/h?
Date posted:
October 7, 2017
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Answers (1)
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A supersonic jumbo jet travels at 700 m/s. what is its average velocity in km/h?
(Solved)
A supersonic jumbo jet travels at 700 m/s. what is its average velocity in km/h?
Date posted:
October 7, 2017
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Answers (1)
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The velocity of a toy car increased uniformly from 30 m/s to 60 m/s in two minutes. Find the acceleration acquired by the toy car?
(Solved)
The velocity of a toy car increased uniformly from 30 m/s to 60 m/s in two minutes. Find the acceleration acquired by the toy car?
Date posted:
October 5, 2017
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Answers (1)
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A straight road in a certain area rises steadily at angle of 10° to the horizontal ground. A lorry travels up the road. Calculate its...
(Solved)
A straight road in a certain area rises steadily at angle of 10⁰ to the horizontal ground. A lorry travels up the road. Calculate its vertical and horizontal displacement.
Date posted:
October 3, 2017
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Answers (1)
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A bouncing castle consists of a conical top and a cylindrical base. The diameter of the base is 5 m and the height of the...
(Solved)
A bouncing castle consists of a conical top and a cylindrical base. The diameter of the base is 5 m and the height of the cylindrical part is 4 m. If the total height is of the two parts is 9 m, calculate :
a. Its total surface area.
b. Its total volume.
Date posted:
October 3, 2017
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Answers (1)
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A triangular lawn measures 12m, 16m, and 8m. Find the area of the garden.
(Solved)
A triangular lawn measures 12m, 16m, and 8m. Find the area of the garden.
Date posted:
October 3, 2017
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Answers (1)
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Calculate the height of a cone if its base radius is 7.7 cm and has a volume of 514.6 cm^3.
(Solved)
Calculate the height of a cone if its base radius is 7.7 cm and has a volume of 514.6 cm^3.
Date posted:
October 2, 2017
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Answers (1)
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A metal tube whose bore is 100 mm and thickness 21 is 7 m long. Find the volume of the metal it is made from.
(Solved)
A metal tube whose bore is 100 mm and thickness 21 is 7 m long. Find the volume of the metal it is made from.
Date posted:
October 2, 2017
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Answers (1)
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Given that Cos x = sin (5x + 10). Find a. x b. ...
(Solved)
Given that Cos x = sin (5x + 10). Find a. x b. Tan x
Date posted:
October 2, 2017
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Answers (1)
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Find the volume of a prism 30 cm long and its cross-section is regular, pentagon of side 10 cm.
(Solved)
Find the volume of a prism 30 cm long and its cross-section is regular, pentagon of side 10 cm.
Date posted:
October 2, 2017
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Answers (1)
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Given that the density of lead is 11.4 g/cm^3. Calculate the mass of a lead sphere whose radius is 15 cm.
(Solved)
Given that the density of lead is 11.4 g/cm^3. Calculate the mass of a lead sphere whose radius is 15 cm.
Date posted:
October 2, 2017
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Answers (1)
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A water tank is placed is placed on a concrete tower which is a regular hexagon of 5 m sides and height of 35 m....
(Solved)
A water tank is placed is placed on a concrete tower which is a regular hexagon of 5 m sides and height of 35 m. Find the volume of the concrete used to make it.
Date posted:
October 1, 2017
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Answers (1)
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A walkway 200 m long and 1.6 m wide was to be made along a road. Find the volume of gravel needed to cover it...
(Solved)
A walkway 200 m long and 1.6 m wide was to be made along a road. Find the volume of gravel needed to cover it to depth of 10 cm.
Date posted:
October 1, 2017
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Answers (1)
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A regular hexagonal nut of sides 6 cm and height 4 cm was used in lorry. Find its volume, assume it is a solid.
(Solved)
A regular hexagonal nut of sides 6 cm and height 4 cm was used in lorry. Find its volume, assume it is a solid.
Date posted:
October 1, 2017
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Answers (1)
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A sphere whose diameter is 28 cm. find the surface area of the sphere.
(Solved)
A sphere whose diameter is 28 cm. find the surface area of the sphere.
Date posted:
September 30, 2017
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Answers (1)
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Find the value of sin 60° , Cos 60° and Tan 60° without using the mathematical tables.
(Solved)
Find the value of sin 60⁰ , Cos 60⁰ and Tan 60⁰ without using the mathematical tables.
Date posted:
September 30, 2017
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Answers (1)
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State the value of the trigonometric ratios leave your answer in surds form a. sin 45° b. Cos 45° c. Tan 45°
(Solved)
State the value of the trigonometric ratios leave your answer in surds form
a. sin 45°
b. Cos 45°
c. Tan 45°
Date posted:
September 30, 2017
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Answers (1)