Solve. Remember to insert units when writing your answer.A store buys 3 kg of rice in bulk. If the rice is divided into 2 packets of equal weight, how many kilograms will be in each packet?

A. 15 kg
B. 6.67 kg
C. 0.67 kg
D. 1.5 kg


Answer: D

Mathematics

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In a gambling game, on every play, there is a 0.1 probability that you win $7 and a 0.9 probability that you lose $1. What is the expected value of this game? Is the game fair?

A. +$2; Yes B. $0.20; Yes C. ?$2; No D. ?$0.20; No

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Rewrite the expression as a sum or difference of logarithms or multiples of logarithms.log2 

A. 8 log2(x) + 9 log2(y) + log2(2) B. 8 log2(x) - 9 log2(y) - log2(2) C. 8 log2(x) + 9 log2(y) - log2(2) D. (8 log2(x))(9 log2(y)) - log2(2)

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Find the exact interest. Use 365 days in a year, and use the exact number of days in a month. Round to the nearest cent, if necessary.$3300 at 8% for 160 days

A. $117.33 B. $11.73 C. $11.57 D. $115.73

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Add.(-9mn + 5mn2 - 8m2n2) + 

A. -5m2n2 + 6m2n + 5mn2  - 15mn B. -5m2n2 + 11m2n - 15mn C. -5m2n2 + 6m2n + 5mn2 - 3mn D. -9m2n2

Mathematics