Mathematics, 18.07.2019 22:30 skateyo2553
part a: the function f(x) = −x2 − 7x + 30 shows the relationship between the vertical distance of a diver from a pool's surface f(x), in feet, and the horizontal distance x, in feet, of a diver from the diving board. what is a zero of f(x), and what does it represent? part b: solve 2x2 − 9x + 7 = 0 using an appropriate method. show the steps of your work and explain why you chose the method used.
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Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
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Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?
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part a: the function f(x) = −x2 − 7x + 30 shows the relationship between the vertical distance of...
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