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1,Lisa consumes a total of 8700 kilojoules per day and her diet consists of 55% of carbohydrates. Calculate the quantity of carbohydrates that her diet provides per day in grams and choose the correct answer.
a.81 g
b.4785kJ
c.281 g
d.106 g
2.Mr Naidoo consumes 157 g of carbohydrates, 107 g of fat and 238 g of protein per day. Calculate the energy provided by each of the energy-yielding nutrients.
a.Protein = 238kJ; Carbohydrates = 157kJ and Fat = 107kJ
b.Protein = 4046kJ; Carbohydrates = 2669kJ and Fat = 4066kJ
c.Protein = 4046kJ; Carbohydrates = 2669kJ and Fat = 1819kJ
d.Protein = 4046kcal; Carbohydrates = 2669kcal and Fat = 4066kcal
A researcher used a developed problem solving test to randomly select 50 grade 6 pupils. In this sample,
x=80. The mean and the standard deviation of the population used in the standardization of the test were 75 and 15, respectively. Test the hypothesis that the sample mean differ significantly from the population mean. Use level of significance of 0.05. The z value is 1.96.
For each of the following pair of goods, which good would you expect to have more
price elastic demand and why?
a. Textbooks recommended by lecturers or mystery novels.
b. Downloads of tracks by Jay-Z or downloads of hip-hop music in general.
c. Heating oil during the next six months or heating oil during the next five
years.
d. Lemonade and water.
the population in Country c decreases, due to a lower birth rate. At the same time, there is an increase in the cost of fertilizer, which is used to grow vegetables. explain how the market for vegetables will be affected by these changes. clearly indicate how the equilibrium price and the equilibrium quantity will be affected by these changes. Make use of a combination of diagrams and verbal explanation to explain your answer.
Discuss four alternatives that increase the use and application of conventional concrete
Discuss the creep response of concrete structures. Provide examples of the effect of creep on concrete structures.
Discuss the change in volume of concrete at early ages
describe the purine bio synthesis
Discuss five different methods of concrete curing
1.1 A Retail has name, a List containing Items available in the stock and another List containing sold items. [2] 1.2 A Retail have functionality to view available stock, that prints Class name of item, name of Item, size of item and total number of items that have same name, and size. [5] EXAMPLE
ClassName Item name Size Drink coke 1 Drink coke 2
Total
10; // this show that in the list there are 10 coke that are size of 1
5; // this show that in the list there are 5 coke that are size 2 Sizes in drinks means litres.
Hint: Items are the same if their class name, item name and size are the same.
1.3. A retail Shop has a functionality to add item into the stock list. The add item takes a parameter the Item to be added on stock. [2] 1.4 A retail shop also has a functionality to calculate total sales that returns double sum of money made from all sold items. [2]
#339914 on Dec 2023