- The value of a machine is shs. 415,000. The machine depreciates at a rate of 15% p.a. Find how many years it will take for...(Solved)
The value of a machine is shs. 415,000. The machine depreciates at a rate of 15% p.a. Find how many years it will take for the value of the machine to be half of the original value.
Date posted: March 27, 2019. Answers (1)
- The gradient function of a curve that passes through point: (-1, -1) is 2x + 3.
Find the equation of the curve.(Solved)
The gradient function of a curve that passes through point: (-1, -1) is 2x + 3.
Find the equation of the curve.
Date posted: March 27, 2019. Answers (1)
- Use tables to evaluate(Solved)
Use tables to evaluate
Date posted: March 27, 2019. Answers (1)
- Two matatus on a dual carriageway are moving towards a bus stop and are on level 5 km from the stop. One is travelling 20...(Solved)
Two matatus on a dual carriageway are moving towards a bus stop and are on level 5 km from the stop. One is travelling 20 km/hr faster than the other, and arrives 30 seconds earlier. Calculate their speeds.
Date posted: March 27, 2019. Answers (1)
- Two points A and B are 1000m apart on level ground, a fixed distance from the foot of a hill. If the angles of elevation...(Solved)
Two points A and B are 1000m apart on level ground, a fixed distance from the foot of a hill. If the angles of elevation of the hill top from A and B are 60o and 30o respectively, find the height of the hill.
Date posted: March 27, 2019. Answers (1)
- Use the table reciprocals to evaluate to 3 s.f.
1/7 + 3/12 + 7/0.103(Solved)
Use the table reciprocals to evaluate to 3 s.f.
1/7 + 3/12 + 7/0.103
Date posted: March 27, 2019. Answers (1)
- Three points are such that A (4 , 8), B(8,7), C (16, 5). Show that the three points are collinear.(Solved)
Three points are such that A (4 , 8), B(8,7), C (16, 5). Show that the three points are collinear.
Date posted: March 27, 2019. Answers (1)
- Rationalise the denominator in(Solved)
Rationalise the denominator in
Date posted: March 27, 2019. Answers (1)
- Expand (x + y)6 hence evaluate (1.02)6 to 3d.p.(Solved)
Expand (x + y)6 hence evaluate (1.02)6 to 3d.p.
Date posted: March 27, 2019. Answers (1)
- A man is employed at a KShs. 4000 salary and a 10% annual increment. Find the total amount of money received in the first five...(Solved)
A man is employed at a KShs. 4000 salary and a 10% annual increment. Find the total amount of money received in the first five years
Date posted: March 27, 2019. Answers (1)
- Make x the subject of the formula if
y = a/x + bx(Solved)
Make x the subject of the formula if
y = a/x + bx
Date posted: March 27, 2019. Answers (1)
- Without using tables, simplify(Solved)
Without using tables, simplify
Date posted: March 27, 2019. Answers (1)
- A train is moving towards a town with a velocity of 10 m/s. It gains speed and the velocity becomes 34 m/s after 10 minutes...(Solved)
A train is moving towards a town with a velocity of 10 m/s. It gains speed and the velocity becomes 34 m/s after 10 minutes . Find its acceleration
Date posted: March 27, 2019. Answers (1)
- A line pass through A (4,3) and B(8,13). Find
(i) Gradient of the line
(ii) The magnitude of AB
(iii) The equation of the perpendicular bisector of...(Solved)
A line pass through A (4,3) and B(8,13). Find
(i) Gradient of the line
(ii) The magnitude of AB
(iii) The equation of the perpendicular bisector of AB.
Date posted: March 27, 2019. Answers (1)
- An equation of a circle is given by x2 + y2 – 6x + 8y – 11 = 0
Find its centre and radius(Solved)
An equation of a circle is given by x2 + y2 – 6x + 8y – 11 = 0
Find its centre and radius
Date posted: March 27, 2019. Answers (1)
- A regular octagon has sides of 8 cm. Calculate its area to 3 s.f.(Solved)
A regular octagon has sides of 8 cm. Calculate its area to 3 s.f.
Date posted: March 27, 2019. Answers (1)
- A metal rod, cylindrical in shape has a radius of 4 cm and length of 14 cm. It is melted down and recast into small...(Solved)
A metal rod, cylindrical in shape has a radius of 4 cm and length of 14 cm. It is melted down and recast into small cubes of 2 cm length. Find how many such cubes are obtained
Date posted: March 27, 2019. Answers (1)
- A rectangle measures 3.6 cm by 2.8 cm. Find the percentage error in calculating its perimeter.(Solved)
A rectangle measures 3.6 cm by 2.8 cm. Find the percentage error in calculating its perimeter.
Date posted: March 27, 2019. Answers (1)
- A quantity P varies inversely as Q2 Given that P = 4 When Q = 2. , write the equation joining P and Q
hence find...(Solved)
A quantity P varies inversely as Q2 Given that P = 4 When Q = 2. , write the equation joining P and Q
hence find P when Q = 4
Date posted: March 27, 2019. Answers (1)
- Find the value of ? within ? < ? < 360O if Cos (2 ? + 120) = 3/2(Solved)
Find the value of θ within θ < θ < 360O if Cos (2 θ + 120) = 3/2
Date posted: March 27, 2019. Answers (1)