Mathematics Questions

13 is 26% of what number
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What is the value of -2(x+5)
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(2 5/8 + 2 1/2) - 4 2/3
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Please help me with math homework 1): a deep sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How deep was the diver 10 minutes ago?2): if it is 5 outside and the temperature will drop 17 in the next six hours, how cold will it get?3): Josie has $47 left on her checking account. If she writes a check for $55 what will Josie's balance be?4): joe is playing a game with a regular die. If the number that turns up is even, he will gain 5 times the number that comes up. If it is odd, he will lose 10 times the number that comes up. He tosses a 3 express the results as an integer. 5): it will be -12 tonight. The weatherman predicts it will be 25 warmer by noon tomorrow. What will the temperature be by noon tomorrow?6): the average temperature at the South Pole is -45 f. The average temperature on the equator is 92 f. How much warmer is the average temperature on the equator than at the South Pole?7): Felix reported that the coldest day on record for his town was five times colder than yesterday's temperature, -4 c. What was the temperature of the coldest day on record in Felix's town? 8): the elevation of mt. Everest is 29,028 feet. The elevation of the Dead Sea is -485 feet. What is the difference in the elevation between mt. Everest and the Dead Sea?
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How do you solve |y+9|>4?
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Romero is saving to buy and Apex model 12 computer. the lowest price that romero can find is $1,250. romero now has $825. his grandmother is going to give him another $200. show your work by writing an inequality to help you find how much more money romero needs.plz I really need help with this!
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1: What is 15:25 as fraction in simplest form.A: 15/25B: 3/5C: 1/3D: 30/502: Which number is equivalent to 3/7A: 6 TO 10B: 76:107C: 12/35D: 7 TO 3PLEASE HELP 
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Jim uses ribbon for bookmarks. Jim has 9 feet of ribbon. He uses 1/3 foot of ribbon to make each bookmark. What is the total number of ribbons Jim can make from 9 feet of ribbon?
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If the Campbell Candy company can produce Sarah's special candy bars at 100 for $165 and 600 for $195 write the cost function for the production process?
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Anna's garden has an area of 48 square feet. She plants peas in 3/8 of the garden and herbs in 1/4 of it. The rest of her garden is planted with peppers . How many square feet of the garden are planted with peppers?
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How to write 1.35 as a fraction in lowest form
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Does the following system have a unique solution? Why?3x+2y= 914x + 10y = 14
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What is the square root of 16 to the 8th power?
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Factor out the greatest common factor. If the greatest common factor is 1, just retype the polynomial.2b4+5
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14 1/4 - 10 3/7 Reduce to lowest form....step by step to see if my answer your answer
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Find all the powers of 4 in the range 4 through 1,000.
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Find all the powers of 3 in the range 3 through 1,000.
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2x-3y=8 -5x+2y=13 find The x coordinate
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