Lời Giải
Lời Giải
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a train travels 220 miles in 4 hours at a constant sped at this rate how far does the train travel in 3 hours is it proportionalWhat interest rate is needed for an investment of 350 to be worth 1120 after 33 years if interest is compounded continuously? Enter your answer in decimal form and round to the nearest thousandth.The chu vi of a circle is 10pi ft. What is the area, in square feet? Express your answer in terms of pipiTwo planes start out at two different airports. The planes are 2 584 km apart. The planes start flying towards each other. One plane is flying at 352 km/h and the other plane at 294 km/h.If both planes started their journey at the same time, how long will they take to pass each other?Sara went to lunch with her friend. Sara's lunch cost 12.50 but she wants to leave a 20% tip. What is the total cost after tip?