Mathematics Questions

$800 is deposited in an account that pays 9% compounded semi-annually. Find the balance after 4 years.
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Which is greater 0.6 or 0.06
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I am a number less than 3,000. When you divide me by 32, my remainder is 30. When you divide me by 58, my remainder is 44. What number am I?
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50 points decreased by 26%
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Yasmine is serving ice cream with the birthday cake at her party.She has perchased 19 1/2 pints of ice cream.She will serve 3/4 of a pint to each guest. How many guests can be served ice cream? Will there be any ice cream left?Justify your thinking
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A crew is made up of 8 men; the rest are women. 66 1/3% of the crew are men. How many people are in the crew?
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Round 529 to two significant figures
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To play on the football team, a seventh grader must weigh no more than 110 pounds. your neighbor is in seventh grade and weighs 94 pounds. Write and solve an inequality that represents how much weight your neighbor can gain and still meet the requirement. (: Please help, I'm in Middle School..
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Given the function f(x)=0.5(3)^x, what is the value of f^-1(7)?
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What is the average of 36 26 30 and 28
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If f(x)=log2(x+4), what is f^-1(3)?
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A certain colony of bacteria triples in length every 10min. Its length is now 1 millimeter. how long will it be in 40min?(show work please! and in a 6th grader form)
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Jack's average in math for the first nine weeks was an 88. his second nine weeks average decreased 12.5% what was his average for the second nine weeks? please explain how you got your answer.
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Write an expression that can be used to check the quotient of 646 divided 3
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Katrina and Amanda are studying the same class. On Monday, Katrina solved 35 math problems and Amanda solved 21 math problems. On Wednesday Katrina solved 16 math problems and Amanda solved 20 math problems. On Thursday, Katrina solved 40 math problems and Amanda solved 24 math problems. On Saturday, Katrina solved 18 math problems and Amanda solved 24 math problems. On which day did Katrina and Amanda have the same ratio of problems as Monday?
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HELP!!!!!!! Terrence was filling the new fish aquariums where he works. He was able to fill 1 1/3 aquariums in 2 1/2 hours. At this rate, how long will it take him to fill 4 aquariums?
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Trina uses 1/2 of sugar and 3/4 cup of flour in a recipe. How many cups of sugar would she need if she uses 3 cups of flour?
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The area of the garden is 851 square meters. If the length of the garden is 23 meter, what is the width of the garden?
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