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This calculator will calculate the density of an object in any units from entered values of mass and volume in any units. once a density has been calculated the tool will also display two conversion scales for a range of mass and volume values. formula. the density formula used by this calculator is m.

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5 5. from a complete pack of playing cards (ace high) one card is picked at random. what is the probability of the card being: (a) a red; (b) a black picture card (j,q,k or a); (c) lower than a 7 or.

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Cement is so fine that 1 pound of cement contains 150 billion grains. the cement is now ready for transport to readymix concrete companies to be used in a variety of construction projects. although the dry process is the most modern and popular way to manufacture cement, some kilns in the united states use a wet process.

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Concrete is a construction material composed of cement, fine aggregates (sand) and coarse aggregates mixed with water which hardens with time. portland cement is the commonly used type of cement for production of concrete. concrete technology deals with study of.

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Of sand, and we have to work out the total volume of concrete that is possible to make. gravel 3 cement 1 6m3 sand 2 two parts of the total represents 6m3 of sand. so one part is 6 2 m3, in other words 3m3, and thus the total of 6 parts of concrete represents 3 6m3, making 18m3. so 18m3 of concrete.uk 5 c mathcentre 2009.

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Pure calcium hydroxide paste has a high ph (approximately 12.512.8) and is classified chemically as a strong base. its main actions are achieved through the ionic dissociation of ca (2) and oh () ions and their effect on vital tissues, the induction of hardtissue deposition and the antibacterial properties.

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