Consider the expression 3x(x-2) + 2 and 2x^2 + 3x - 12.
a. evaluate each expression for...
Mathematics, 25.11.2019 00:31 oreoassassin38
Consider the expression 3x(x-2) + 2 and 2x^2 + 3x - 12.
a. evaluate each expression for x = 2 and for x = 7. based on your results, do you know whether the two expressions are equivalent? explain.
b. evaluate each expression for x = 5. based on your results, do you know whether the two expressions are equivalent? explain.
Answers: 3
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White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.
Answers: 2
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Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
Answers: 1
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