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Mathematics, 22.06.2019 11:50 hgfgu829
In a group of 100 people, 70 have a dvd player, 60 have a cdplayer and 20 have neither. how many have both?
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Mathematics, 22.06.2019 02:00
Part a what is the area of triangle i? show your calculation. part b triangles i and ii are congruent (of the same size and shape). what is the total area of triangles i and ii? show your calculation. part c what is the area of rectangle i? show your calculation. part d what is the area of rectangle ii? show your calculation. part e rectangles i and iii have the same size and shape. what is the total area of rectangles i and iii? show your calculation. part f what is the total area of all the rectangles? show your calculation. part g what areas do you need to know to find the surface area of the prism? part h what is the surface area of the prism? show your calculation. part i read this statement: “if you multiply the area of one rectangle in the figure by 3, you’ll get the total area of the rectangles.” is this statement true or false? why? part j read this statement: “if you multiply the area of one triangle in the figure by 2, you’ll get the total area of the triangles.” is this statement true or false? why?
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In a group of 100 people, 70 have a dvd player, 60 have a cdplayer and 20 have neither. how many hav...
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