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Test3SolutionsSpring

# Test3SolutionsSpring - 1Intermediate Algebra Test...

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\ 1- Intermediate Algebra - Test 3 (Chapters 5 & 6) I Show All Work!!! VxT =I> 1. (10 pa.) A river's current is 6 mph. A boat travels 50 miles downstream in the same time it takes to travel 30 miles upstream. What is the speed of the boat in still water? (What is the speed of the boat, without the current) Write your answer in a sentence! 7 2. (10 pa. ., Derek can install a countertop in 5 hours. Stacy perform the same job in 4 hours:.; How long will it take them, working together, to install thecounte,rtoP? -. Write your answer ic - , . ,Lk-h rn Tv \$1 -r-,r mLll,-b r sentence. I ha - -, -,I,.-- *+;--II IL .#lT -. +

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- - q7Q 3 (15 pt~.) A ball is launched from a rooftop with an upward velocity of 24 Wsec. The height, in .rl* ;- ', . P-!7**. I ., - - r; : ~k +"feet, of the ball, t seconds after having been launched from an 40-ft. high rooftop is given by: .*md y i I - -. h(t) = -16t2 + 24t + 40 . '1 a. After how long will the ball reach the ground? Write your answer in a sentence. fter how long will the ball be feet above the ground? Write your answer in

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Test3SolutionsSpring - 1Intermediate Algebra Test...

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