Mathematics mixed Questions Test

May 19th, 2015
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b) Write the value of 0.428 x 2.75 i) exactly in decimal form ii) to two decimal places iii) to two significant c) A company sells its printers to customers in order to make profit of 25%. Calculate figures. i) the price a customer pays for a printer which a company bought for $1 700

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Mathematics mixed Questions1. a) Calculate the exact value of + 54 mrksb) Write the value of 0.428 x 2.75 i)exactly in decimal formii)to two decimal places iii) to two significant figures.3 mrksc) A company sells its printers to customers in order to make profit of 25%. Calculatei) the price a customer pays for a printer which a company bought for $1 700ii) the price the company paid for a printer which was sold to a customer for $2 500.5 mrks2. Factorize completely:i) 3xy - xii) 4a2 - 9 iii) (x -y)2 - x + y 5mrks 3. The floor of a room is in the shape of a rectangle. The floor is c meters long. The width of the floor is 2 meters less than its length.i) State, in terms of ca) the width of the floorb) the area of the floor.ii) If the area of the floor is 15m2, write down an equation in c to show this information.iii)Use the equation to determine the width of the floor. 7 mrk4.Machinery costing $25, 000 depreciates to a value of $23 125 at the end of the first year. Thereafter, depreciation is calculated at the rate of 10% per annum.Calcula

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