Get premium membership and access questions with answers, video lessons as well as revision papers.
Total mark = 5 x 20
=100
16 + 18 + 19 +15 + X = 100
X= 100- 68
X= 32
joseph rimiru answered the question on October 7, 2017 at 19:13
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- A helicopter traveled 150 km westwards in 50 minutes. What was its average velocity in:
a. Km/h ...(Solved)
A helicopter traveled 150 km westwards in 50 minutes. What was its average velocity in:
a. Km/h b. m/s
Date posted: October 7, 2017. Answers (1)
- An object moved in 100 s through a distance of 1800 m. what was its average velocity in:
a. m/s b. km/h
(Solved)
An object moved in 100 s through a distance of 1800 m. what was its average velocity in:
a. m/s b. km/h
Date posted: October 7, 2017. Answers (1)
- By use of element argument method ,show that
X U (Y U X)=X U Y
(Solved)
Show that X union (Y U X) is equal to X union Y. Use element argument method.
Date posted: October 5, 2017. Answers (1)
- Solve the equation
(1/10) x^2 + 3x = -20
(Solved)
Solve the equation
(1/10) x^2 + 3x = -20
Date posted: October 5, 2017. Answers (1)
- In each of the following vectors. Calculate their magnitude.
a = (4) b. b =(3 ) c. c =...(Solved)
In each of the following vectors. Calculate their magnitude.
a = (4) b. b =(3 ) c. c = (2)
(3) (-1) (5)
Date posted: October 5, 2017. Answers (1)
- Find the value of the scalar x and y where x(5) + y(-3) = (0)
...(Solved)
Find the value of the scalar x and y where x(5) + y(-3) = (0)
(2) (1) (3)
Date posted: October 5, 2017. Answers (1)
- Find the mean, mode and median of the following data collected in a certain research.
6,7,8,9,10,14,13,9,11,6,12
(Solved)
Find the mean, mode and median of the following data collected in a certain research.
6,7,8,9,10,14,13,9,11,6,12
Date posted: October 5, 2017. Answers (1)
- 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. Answers (1)
- A trolley had a constant acceleration of 10 m/s^2 for 10 seconds. If the final velocity is 60 m/s, find
...(Solved)
A trolley had a constant acceleration of 10 m/s^2 for 10 seconds. If the final velocity is 60 m/s, find the initial velocity,
Date posted: October 4, 2017. Answers (1)
- The initial velocity of a vehicle is 20 m/s and after 8 seconds it is found to be 60 m/s. Find its
...(Solved)
The initial velocity of a vehicle is 20 m/s and after 8 seconds it is found to be 60 m/s. Find its
acceleration.
Date posted: October 4, 2017. Answers (1)
- Solve the inequality
2 – 4 x < 6
(Solved)
Solve the inequality
2 – 4 x < 6
Date posted: October 4, 2017. Answers (1)
- Combine the following pairs of simple statements into a compound statement.
a. x < 1/5 , x > 1/9
b. x= 5...(Solved)
Combine the following pairs of simple statements into a compound statement.
a. x < 1/5 , x > 1/9
b. x≤ 5 ,x ≥ 3
c. x ≤ 0.75 , x ≥ 0.135
Date posted: October 4, 2017. Answers (1)
- A hemispherical bowl can hold one litre of water, determine its radius (Solved)
A hemispherical bowl can hold one litre of water, determine its radius
Date posted: October 3, 2017. Answers (1)
- 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. Answers (1)
- 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. Answers (1)
- One of the large angles of rhombus is 100° and its sides are 20 cm long. Find the area of the rhombus.(Solved)
One of the large angles of rhombus is 100⁰ and its sides are 20 cm long. Find the area of the rhombus.
Date posted: October 3, 2017. Answers (1)