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- Make s the subject of the formula in the question below
Make s the subject of the formula in the question below
Form 3, Mathematics: Formula and Variation
Date posted: February 27, 2019.
- Given that x varies directly as the square of y and x=2 when y=1.find x when y=4.
Given that x varies directly as the square of y and x=2 when y=1.find x when y=4.
Form 3, Mathematics: Formula and Variation
Date posted: February 27, 2019.
- The probability that a husband and a wife will be alive in 25 years from now are 0.7 and 0.9 respectively.
The probability that a husband and a wife will be alive in 25 years from now are 0.7 and 0.9 respectively.Find the probability that in 25 years time,
a)both will be alive
b)neither will be alive
c)one will be alive
d)at least one will be alive.
Form 3, Mathematics: Probability
Date posted: February 27, 2019.
- Solve for x
4sin(x+20)0 =3 for 00=x= 3600.
Solve for x
4sin(x+20)0 =3 for 00=x= 3600.
Form 4, Mathematics: Trigonometry 3
Date posted: February 27, 2019.
- Solve for x in the question below
Solve for x
Form 3, Mathematics: Further Logarithms
Date posted: February 27, 2019.
- Given that OA =3i + 4j + 7k, OB=4i +3j +9k and OC =I +6j+ 3k,show that the points ABC are collinear.
Given that OA =3i + 4j + 7k, OB=4i +3j +9k and OC =I +6j+ 3k,show that the points ABC are collinear.
Form 3, Mathematics: Quadratic Equations and Expressions
Date posted: February 27, 2019.
- Determine the probability in the question below
Form 3, Mathematics: Probability
Date posted: February 27, 2019.
- The 5th and 10th terms of an A.P are 18 and -2 respectively.Find the first term and the common difference of the A.p.
The 5th and 10th terms of an A.P are 18 and -2 respectively.Find the first term and the common difference of the A.p.
Form 3, Mathematics: Sequences and Series
Date posted: February 27, 2019.
- Make y the subject of the formula
Make y the subject of the formula
Form 3, Mathematics: Formula and Variation
Date posted: February 27, 2019.
- Omondi deposited sh 4500 in a bank which paid compound interest at 12% p.a.Calculate the amount after 2 years.
Omondi deposited sh 4500 in a bank which paid compound interest at 12% p.a.Calculate the amount after 2 years.
Form 3, Mathematics: Commercial Arithmetic 2
Date posted: February 27, 2019.
- Find the value of x in;
log(x-1) +2=log (3x+2)+log 25
Find the value of x in;
log(x-1) +2=log (3x+2)+log 25
Form 3, Mathematics: Further Logarithms
Date posted: February 27, 2019.
- Solve the equations below:
X2 + y2 = 26
x-y =-4
Solve the equations below:
X2 + y2 = 26
x-y =-4
Form 3, Mathematics: Quadratic Equations and Expressions
Date posted: February 27, 2019.
- Find the range of x if 2= 3-x<5
Find the range of x if 2= 3-x<5
Form 2, Mathematics: Linear Inequalities
Date posted: February 27, 2019.
- Factorize the question below
Form 1, Mathematics: Algebraic Expressions
Date posted: February 26, 2019.
- Two sides of a triangle are 5 cm each and the angle between them is 1200.Calculate the area of the triangle.
Two sides of a triangle are 5 cm each and the angle between them is 1200.Calculate the area of the triangle.
Form 2, Mathematics: Measurement
Date posted: February 26, 2019.
- Solve the question below
Form 2, Mathematics: Trigonometry 1
Date posted: February 26, 2019.
- The ratio of the lengths of corresponding sides of two similar rectangular water tanks is 3:5.The volume of the smaller tank is 8.1m3. Calculate the volume of the larger tank.
The ratio of the lengths of corresponding sides of two similar rectangular water tanks is 3:5.The volume of the smaller tank is 8.1m3. Calculate the volume of the larger tank.
Form 2, Mathematics: Similarity and Enlargement
Date posted: February 26, 2019.
- A perpendicular line is drawn from a point (3,5) to the line 2y+x=3.Find the equation of the perpendicular line.
A perpendicular line is drawn from a point (3,5) to the line 2y+x=3.Find the equation of the perpendicular line.
Form 2, Mathematics: Equations of Straight Lines
Date posted: February 26, 2019.
- Find the value of x given that: 49x+1 + 7 =350
Find the value of x given that: 49x+1 + 7 =350
Form 2, Mathematics: Indices
Date posted: February 26, 2019.
- The size of each interior angle of a regular polygon is five times the size of its exterior angle.Find the
number of sides of the polygon.
The size of each interior angle of a regular polygon is five times the size of its exterior angle.Find the
number of sides of the polygon.
Form 1, Mathematics: Angles and Plane Figures
Date posted: February 26, 2019.
- Musa paid sh 180 for a shirt after getting a discount of 10%.The shopkeeper made a profit of 20% on the sale of this shirt.What percentage profit would the shopkeeper have made if no discount was allowed?.
Musa paid sh 180 for a shirt after getting a discount of 10%.The shopkeeper made a profit of 20% on the sale of this shirt.What percentage profit would the shopkeeper have made if no discount was allowed?.
Form 1, Mathematics: Commercial Arithmetic 1
Date posted: February 26, 2019.
- Abdi sold a radio costing ksh 3,800 at a profit of 20%.He earned a commission of 22.5% on the profit.Find the amount he earned.
Abdi sold a radio costing ksh 3,800 at a profit of 20%.He earned a commission of 22.5% on the profit.Find the amount he earned.
Form 1, Mathematics: Rates, Ratios, Proportions and Percentages
Date posted: February 26, 2019.
- The cost of 5 skirts and 3 blouses is sh 1,750. Mueni bought three of the skirts and one of the blouses for sh 850.find the cost of each item.
The cost of 5 skirts and 3 blouses is sh 1,750. Mueni bought three of the skirts and one of the blouses for sh 850.find the cost of each item.
Form 1, Mathematics: Linear Equations
Date posted: February 26, 2019.
- Without using tables evaluate
Without using tables evaluate
Form 1, Mathematics: Evaluation of Numerical Expressions
Date posted: February 26, 2019.
- Find the size of land each child got in the question below
Form 1, Mathematics: Fractions
Date posted: February 26, 2019.
- Express 10,500 in terms of its prime factors and determine the smallest value of p such that 10,500p is a
perfect cube
Express 10,500 in terms of its prime factors and determine the smallest value of p such that 10,500p is a
perfect cube
Form 1, Mathematics: Integers
Date posted: February 26, 2019.
- 30cm3 of hydrogen chloride gas diffuses through a porous pot in 20 seconds. How long would it take 42cm3 of sulphur(IV) oxide gas to diffuse through the same pot under the same conditions (H =1 Cl = 35.5 S = 32 O =16)
30cm3 of hydrogen chloride gas diffuses through a porous pot in 20 seconds. How long would it take 42cm3 of sulphur(IV) oxide gas to diffuse through the same pot under the same conditions (H =1 Cl = 35.5 S = 32 O =16)
Form 3, Chemistry: Gas Laws
Date posted: February 26, 2019.
- Balance the chemical equation given below
C3H8 + O2 ?H2O + CO2
Balance the chemical equation given below
C3H8 + O2 ?H2O + CO2
Form 2, Chemistry: Chemical Equations
Date posted: February 26, 2019.
- Draw the structural formulae of the following compounds:
a) 2, 3 – dibromobutane
b) 2, 3, 4 – trimethyl pentene
c) 4 – chloro – 5 – methylhex – 2 –yne
Draw the structural formulae of the following compounds:
a) 2, 3 – dibromobutane
b) 2, 3, 4 – trimethyl pentene
c) 4 – chloro – 5 – methylhex – 2 –yne
Form 3, Chemistry: Organic Chemistry 1
Date posted: February 26, 2019.
- 4.0g of magnesium carbonate have some impurity of magnesium sulphate were dissolved in 250cm3 of 1.0m HCL. 25cm3 of the resulting solution was found to require 28.8cm3 of 0.6M sodium hydroxide for complete neutralization.Calculate the number of moles of sodium hydroxide in 28.8cm3.
4.0g of magnesium carbonate have some impurity of magnesium sulphate were dissolved in 250cm3 of 1.0m HCL. 25cm3 of the resulting solution was found to require 28.8cm3 of 0.6M sodium hydroxide for complete neutralization.Calculate the number of moles of sodium...
Form 3, Chemistry: Mole Concept
Date posted: February 26, 2019.