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# The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. how many minutes after liftoff is the plane at an altitude of 21,000 feet? Answers: 2  ### Other questions on the subject: Mathematics Mathematics, 21.06.2019 14:00, solizpaco7124
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Answers: 1 Mathematics, 21.06.2019 17:00, cat216
Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven. Answers: 2 Mathematics, 21.06.2019 18:00, hannahchristine457 Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression. Answers: 3 Mathematics, 21.06.2019 19:30, Lindsay882 How long must$542 be invested at a rate of 7% to earn \$303.52 in interest? in a easier way
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The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. how many minute...

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