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- 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 value of x in
(logx)2 -15(logx) + 56 = 0
Find the value of x in
(logx)2 -15(logx) + 56 = 0
Form 3, Mathematics: Further Logarithms
Date posted: February 26, 2019.
- Find the sum of the first 30 terms of the series; 16+19+22……
Find the sum of the first 30 terms of the series; 16+19+22……
Form 3, Mathematics: Sequences and Series
Date posted: February 23, 2019.
- The sides of a square are decreased by 5%. Find the percentage change in its area
The sides of a square are decreased by 5%. Find the percentage change in its area.
Form 3, Mathematics: Formula and Variation
Date posted: February 23, 2019.
- Simplify the following
Simplify $\frac{3}{3 - \sqrt 7}$
Form 3, Mathematics: Surds
Date posted: February 23, 2019.
- A salesman sold a new motor cycle at sh.24,000.The depreciation rate was 5% per annum
A salesman sold a new motor cycle at sh.24,000.The depreciation rate was 5% per annum.What was the value of the motor cycle after 3 years?
Form 3, Mathematics: Commercial Arithmetic 2
Date posted: February 23, 2019.
- Given that the ratio x:y =2:3,find the ratio (5x-2y):(x+y)
Given that the ratio x:y =2:3,find the ratio (5x-2y):(x+y).
Form 3, Mathematics: Compound Proportions and Rates of Work
Date posted: February 21, 2019.
- In shooting practice three soldiers A,B and C aim at target.The probabilities of A,B and C hitting the target are
In shooting practice three soldiers A,B and C aim at target.The probabilities of A,B and C hitting the target are $\frac{1}{3}$, $\frac{1}{4}$ and $\frac{1}{2}$ respectively.If each soldier shot at the target only once,one after the other. What is the probability that the target was hit only once?
Form 3, Mathematics: Probability
Date posted: February 21, 2019.
- The sum of the first n terms of the sequence 3,9,15,21…is 7500. Find the value of n
The sum of the first n terms of the sequence 3,9,15,21…is 7500. Find the value of n.
Form 3, Mathematics: Sequences and Series
Date posted: February 21, 2019.
- Two matrices A and B are such that A=$\begin{bmatrix}k&4\\3&2\\ \end{bmatrix}$ and B= $\begin{bmatrix}1&2\\3&4\\ \end{bmatrix}$. Given that the determinant of AB=4,find the value of k.
Two matrices A and B are such that A=$\begin{bmatrix}k&4\\3&2\\ \end{bmatrix}$ and B= $\begin{bmatrix}1&2\\3&4\\ \end{bmatrix}$. Given that the determinant of AB=4,find the value of k.
Form 3, Mathematics: Matrices
Date posted: February 21, 2019.
- Make x the subject of the formula $S=w\sqrt{a^2 - x^2}$
Make x the subject of the formula $S=w\sqrt{a^2 - x^2}$
Form 3, Mathematics: Formula and Variation
Date posted: February 21, 2019.
- The cash price of a television set is Ksh 25,000. A customer paid a deposit of Ksh 3,750. He repaid the amount owing in 24 equal monthly installments.
The cash price of a television set is Ksh 25,000. A customer paid a deposit of Ksh 3,750. He repaid the amount owing in 24 equal monthly installments. If was charged simple interest at the rate of 40% p.a,how much was each installment?
Form 3, Mathematics: Commercial Arithmetic 2
Date posted: February 20, 2019.
- Without using logarithm tables,find the value of x;
Without using logarithm tables,find the value of x;
Log x3 + log 5x = 5log 2 – log $\frac{2}{5}$
Form 3, Mathematics: Logarithmic Notations
Date posted: February 20, 2019.
- Given that sin $\alpha = \frac {2}{3} $. Find tan $\alpha$,leave your answer in surd form
Given that sin $\alpha = \frac {2}{3} $. Find tan $\alpha$,leave your answer in surd form
Form 3, Mathematics: Trigonometry 2
Date posted: February 20, 2019.
- The equation of a circle is given by x2 + 4x + y2 - 2y - 4=0.Determine the centre and the radius of the circle.
The equation of a circle is given by x2 + 4x + y2 - 2y - 4=0.Determine the centre and the radius of the circle.
Form 3, Mathematics: Graphical Determination of Laws
Date posted: February 20, 2019.
- Use the expansion (1-x)5 upto the term with x3 to approximate the value of (0.98)5
Use the expansion (1-x)5 upto the term with x3 to approximate the value of (0.98)5
Form 3, Mathematics: Binomial Expansion
Date posted: February 20, 2019.
- A variable P varies directly as t3 and inversely as the square root of s.When t=2 and s=9,P=16
A variable P varies directly as t3 and inversely as the square root of s.When t=2 and s=9,P=16.Determine the equation connecting p,t and s
Form 3, Mathematics: Formula and Variation
Date posted: February 19, 2019.
- A trader bought maize for ksh 20 per kilogram and beans for ksh 60 per kilogram. She mixed them and sold the mixture at ksh 48 per kilogram
A trader bought maize for ksh 20 per kilogram and beans for ksh 60 per kilogram. She mixed them and sold the mixture at ksh 48 per kilogram.If she made a 60% profit,determine the ratio of maize:beans in the mixture.
Form 3, Mathematics: Mixtures and Ratios
Date posted: February 19, 2019.
- Solve the equation 2log x - log (x-2)=2 log 3
Solve the equation 2log x - log (x-2)=2 log 3
Form 3, Mathematics: Further Logarithms
Date posted: February 18, 2019.
- Kitonga deposited Ksh 50000 in a bank which paid compound interest at the rate of 10% per annum. Find the compound interest accrued by the end of the fourth year.
Kitonga deposited Ksh50000 in a bank which paid compound interest at the rate of 10% per annum. Find the compound interest accrued by the end of the fourth year.
Form 3, Mathematics: Commercial Arithmetic 2
Date posted: February 18, 2019.
- Given that 5, x, 35 and 84 are in proportion, find the value of x
Given that 5, x, 35 and 84 are in proportion, find the value of x
Form 3, Mathematics: Formula and Variation
Date posted: February 18, 2019.