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- Explain the following terms as used in matrices.
i) Scalar matrix
ii) Diagonal matrix(Solved)
Explain the following terms as used in matrices.
i) Scalar matrix
ii) Diagonal matrix
Date posted: May 19, 2021. Answers (1)
- A florist sells flowers in dozens and each dozen consists of two varieties: namely white roses and red roses.White Roses costs Sh. 75 each whereas...(Solved)
A florist sells flowers in dozens and each dozen consists of two varieties: namely white roses and red roses.White Roses costs Sh. 75 each whereas Red Roses costs Sh. 150 each The selling prices of white roses and red roses are Sh 105 each and Sh 175 each respectively.
Required.
Given that the daily total cost per dozen of the roses is Sh 1,200 and assuming that all roses bought in a day are sold, use matrix algebra to determine:
i) The number of white roses and red roses that should be packed in each dozen.
ii) The daily profit earned from each dozen of flowers.
Date posted: May 19, 2021. Answers (1)
- Citing an example in each case, differentiate between a 'Vector matrix' and an 'Identity matrix'.(Solved)
Citing an example in each case, differentiate between a 'Vector matrix' and an 'Identity matrix'.
Date posted: May 19, 2021. Answers (1)
- Outline four steps that are followed in determining the inverse of a 2 by 2 matrix.(Solved)
Outline four steps that are followed in determining the inverse of a 2 by 2 matrix.
Date posted: May 19, 2021. Answers (1)
- Swere manufacturing ltd. produces two types of oil products: A & B. The following information relates to the two products.(Solved)
Swere manufacturing ltd. produces two types of oil products: A & B. The following information relates to the two products.
Date posted: May 19, 2021. Answers (1)
- Giving an illustration in each case, differentiate between a 'square matrix' and a 'Unit matrix'(Solved)
Giving an illustration in each case, differentiate between a 'square matrix' and a 'Unit matrix'
Date posted: May 19, 2021. Answers (1)
- Supernova ltd. deals in the manufacture of a product named 'Super'. The cost accountant of the company has estimated the following costs for the first...(Solved)
Supernova ltd. deals in the manufacture of a product named 'Super'. The cost accountant of the company has estimated the following costs for the first quarter of the year 2010.
Date posted: May 19, 2021. Answers (1)
- A company produces 3 products X,Y & Z, which are processed through three departments namely P, Q & R. The table below shows the labour...(Solved)
A company produces 3 products X,Y & Z, which are processed through three departments namely P, Q & R. The table below shows the labour hours required to produce one unit of each product in each of the departments.
Required
Using the Gaussian elimination method determine the optimal combination of the products that could be produced each month.
Date posted: May 19, 2021. Answers (1)
- XYZ limited intends to invest in a particular project whose maximum duration is 9 months. The estimated total profit of the project is given by...(Solved)
XYZ limited intends to invest in a particular project whose maximum duration is 9 months. The estimated total profit of the project is given by the function.
Date posted: May 19, 2021. Answers (1)
- The cost accountant of Amazuri limited has provided the following statement of costs, profit and selling price per unit of a certain product.(Solved)
The cost accountant of Amazuri limited has provided the following statement of costs, profit and selling price per unit of a certain product.
Date posted: May 19, 2021. Answers (1)
- Optimal Products limited deals in the production of a product named 'Daima'. The average revenue and average cost functions of 'Daima' are given by:
Required.
i) The...(Solved)
Optimal Products limited deals in the production of a product named 'Daima'. The average revenue and average cost functions of 'Daima' are given by:
Required.
i) The total profit function.
ii) The maximum profit.
Date posted: May 19, 2021. Answers (1)
- Outline three uses of functions in business.(Solved)
Outline three uses of functions in business.
Date posted: May 19, 2021. Answers (1)
- New Horizon Limited deals in production of a product named 'Wonder'. The table below shows the total revenue and the total cost of the company...(Solved)
New Horizon Limited deals in production of a product named 'Wonder'. The table below shows the total revenue and the total cost of the company at different quantity levels of 'Wonder'.
Date posted: May 19, 2021. Answers (1)
- Emma Ayoo is considering investing Sh. 1,000,000 for a period of two years.The data below relates to interest rates of three investment opportunities available to...(Solved)
Emma Ayoo is considering investing Sh. 1,000,000 for a period of two years.The data below relates to interest rates of three investment opportunities available to Emma Ayoo.
Date posted: May 19, 2021. Answers (1)
- Joe Mwamburi has been contacted by Ujenzi ltd. to supply 20,000 units of product 'Zee' at a unit price of Sh. 600.(Solved)
Joe Mwamburi has been contacted by Ujenzi ltd. to supply 20,000 units of product 'Zee' at a unit price of Sh. 600.
Date posted: May 19, 2021. Answers (1)
- Differentiate between biased error and unbiased error.(Solved)
Differentiate between biased error and unbiased error.
Date posted: May 19, 2021. Answers (1)
- The cost functions of Emmax ltd. is partly constant and partly varies with the number of units produced. During the months of September and October...(Solved)
The cost functions of Emmax ltd. is partly constant and partly varies with the number of units produced. During the months of September and October 2011, the data for Emmax ltd was as follows.
Date posted: May 19, 2021. Answers (1)
- A trader estimates that sales for the coming year from four to his outlet stores will be Sh. 950,000, Sh. 1,200,000, Sh. 1,500,000, and Sh....(Solved)
A trader estimates that sales for the coming year from four to his outlet stores will be Sh. 950,000, Sh. 1,200,000, Sh. 1,500,000, and Sh. 900,000 respectively. The traders sales estimates are correct to Sh. 10,000. The associated costs of production are also uncertain and are estimated as follows:
Date posted: May 19, 2021. Answers (1)
- The revenue and cost functions of Midland Company Ltd. are quadratic in nature. The following data was obtained from the company's records.(Solved)
The revenue and cost functions of Midland Company Ltd. are quadratic in nature. The following data was obtained from the company's records.
Date posted: May 17, 2021. Answers (1)
- Faidika limited deals in the manufacture of product X. The variable cost of production per unit of product X is Sh. 2 whereas the fixed...(Solved)
Faidika limited deals in the manufacture of product X. The variable cost of production per unit of product X is Sh. 2 whereas the fixed cost is Sh. 15,000. It has been estimated that if the unit selling price of product X is set at Sh. 4.40, the sales volume will be 7,500 units whereas if the unit selling price of product X is set at Sh. 4.00, the sales volume will be 11,000 units.
Required.
i) The budgeted profit for each of the above set selling prices.
ii) The break-even point for each of the above set selling prices.
iii) The margin of safety for each of the above set selling prices.
iv) The break even chart for the price of Sh. 4.40 per unit for production levels of 0,5,000 and 10,000 units of X.
Date posted: May 17, 2021. Answers (1)