- By matrix method, solve the equations
5x + 5y = 1
4y + 3x = 5(Solved)
By matrix method, solve the equations
5x + 5y = 1
4y + 3x = 5
Date posted: March 28, 2019. Answers (1)
- Six men take 14 days working 8 hours a day to pack 2240 parcels. How many more men working
5 hours a day will be required...(Solved)
Six men take 14 days working 8 hours a day to pack 2240 parcels. How many more men working
5 hours a day will be required to pack 2500 parcels in 2 days
Date posted: March 28, 2019. Answers (1)
- A 2 digit number is such that the tens digit exceeds the unit by two . If the digits are reversed, the number formed is smaller...(Solved)
A 2 digit number is such that the tens digit exceeds the unit by two . If the digits are reversed, the number formed is smaller than the original by 18. Find the original number.
Date posted: March 27, 2019. Answers (1)
- Estimate by MID ORDINATE rule the area bounded by the curve y = x2 + 2, the x axis and the lines x = O...(Solved)
Estimate by MID ORDINATE rule the area bounded by the curve y = x2 + 2, the x axis and the lines x = O and x = 5 taking intervals of 1 unit in the x.
Date posted: March 27, 2019. Answers (1)
- Given that tan x = 5/12, find the value of (Solved)
Given that tan x = 5/12, find the value of 
Date posted: March 27, 2019. Answers (1)
- The diagonals of triangle ABCD intersect at M. AM = BM and CM = DM. Prove that triangles ABM and CDM are Similar.(Solved)
The diagonals of triangle ABCD intersect at M. AM = BM and CM = DM. Prove that triangles ABM and CDM are Similar.
Date posted: March 27, 2019. Answers (1)
- The school globe has radius of 28cm. An insect crawls along a latitude towards the east from A(50o, 155oE) to a point B 8cm away....(Solved)
The school globe has radius of 28cm. An insect crawls along a latitude towards the east from A(50o, 155oE) to a point B 8cm away. Determine the position of B to the nearest degree.
Date posted: March 27, 2019. Answers (1)
- A 0.21 m pendulum bob swings in such a way that it is 4cm higher at the top of the swing than at the bottom....(Solved)
A 0.21 m pendulum bob swings in such a way that it is 4cm higher at the top of the swing than at the bottom. Find the length of the arc it forms.
Date posted: March 27, 2019. Answers (1)
- Evaluate without using mathematical tables(Solved)
Evaluate without using mathematical tables 
Date posted: March 27, 2019. Answers (1)
- 8 girls working 5 hours a day take 12 days to drain a pool. How long will 6 girls working 8 hours a day take...(Solved)
8 girls working 5 hours a day take 12 days to drain a pool. How long will 6 girls working 8 hours a day take to drain the pool?( Rate of work is equal)
Date posted: March 27, 2019. Answers (1)
- Water flows through a cylindrical pipe of diameter 3.5cm at the rate of 2m/s. How long to the nearest minute does it take to fill...(Solved)
Water flows through a cylindrical pipe of diameter 3.5cm at the rate of 2m/s. How long to the nearest minute does it take to fill a spherical tank of radius 1.4m to the nearest minute?
Date posted: March 27, 2019. Answers (1)
- A salesman gets a commission of 4% on sales of upto shs 200,000 and an additional 2% on
sales above this. If in January he got...(Solved)
A salesman gets a commission of 4% on sales of upto shs 200,000 and an additional 2% on
sales above this. If in January he got shs 12,200 as commission, what were his total sales
Date posted: March 27, 2019. Answers (1)
- Express 3.023 as a fraction(Solved)
Express 3.023 as a fraction
Date posted: March 27, 2019. Answers (1)
- The given figure is a quadrant of a piece of paper from a circle of radius 50cm. It is folded along AB
and AC to form...(Solved)
The given figure is a quadrant of a piece of paper from a circle of radius 50cm. It is folded along AB
and AC to form a cone . Calculate the height of the cone formed.
Date posted: March 27, 2019. Answers (1)
- Two buildings are on a flat horizontal ground. The angle of elevation from the top of the shorter building to the top of the taller...(Solved)
Two buildings are on a flat horizontal ground. The angle of elevation from the top of the shorter building to the top of the taller is 200 and the angle of depression from the top of the top of the shorter building to the bottom of the taller is 300. If the taller building is 80m, how far apart are they?
Date posted: March 27, 2019. Answers (1)
- An alloy is made up of metals P,Q,R, mixed in the ratio 4:1: 5: A blacksmith wants to make 800g of the
alloy. He can only...(Solved)
An alloy is made up of metals P,Q,R, mixed in the ratio 4:1: 5: A blacksmith wants to make 800g of the
alloy. He can only get metal P from a metallic ore which contains 20% of it. How many Kgs of the ore
does he need.
Date posted: March 27, 2019. Answers (1)
- A line perpendicular to y = 3-4x passes through (5,2) and intercepts y axis at (0,k)
Find the value of K.(Solved)
A line perpendicular to y = 3-4x passes through (5,2) and intercepts y axis at (0,k)
Find the value of K.
Date posted: March 27, 2019. Answers (1)
- In the given figure CD is parallel to BAC, calculate the values of x and y.(Solved)
In the given figure CD is parallel to BAC, calculate the values of x and y.
Date posted: March 27, 2019. Answers (1)
- Evaluate using logarithms(Solved)
Evaluate using logarithms
Date posted: March 27, 2019. Answers (1)
- If one litre of water has a mass of 1000g, calculate the mass of water that can be held in a rectangular tank measuring 2m...(Solved)
If one litre of water has a mass of 1000g, calculate the mass of water that can be held in a rectangular tank measuring 2m by 3m by 1.5m. (give your answer in tonnes).
Date posted: March 27, 2019. Answers (1)