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Mathematics, 12.03.2021 22:50 GreenHerbz206
7. A new phone is bought for $799, and its value depreciates by 20% each year. a) Write an exponential function to represent the situation:
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Mathematics, 21.06.2019 22:00, goodperson21
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.
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7. A new phone is bought for $799, and its value depreciates by 20% each year.
a) Write an exponent...
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