Mathematics Questions

Solve each system using substitution x=-2y=1 x=y-5
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654 divided by some number is 218
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What is 72% as a fraction and decimal
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How do you do this solve 5/2y=10 for y explain
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A rectangular bedroom floor has an area of 100 square feet and a length of 10 feet. What is the perimeter on the floor?
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Show your work pleasejohn wants to know the square footage of his living room in order to lay new hardwood floors. The living room has vertices at the coordinates (1,5) (11,3) (3,15) (13,13). If each unit one the coordinate plane is one square unit, then how many square feet of flooring must john buy in order to cover his entire living room?extension questions:1) john wants to buy 10% more flooring than his room requires to account for errors. If boxes of flooring cover 20 square feet, how many boxes will john need in order to account for errors in measurement?2) if hardwood flooring costs $3.98 per square foot, what will it cost john to put new floors in his living room?
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What percent of 55 is 34
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How do you simplify 875/1000
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Can someone please do number 30.
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Tonya runs 8 kilometres in 60 minutes. At a rate how long would it take her to run 2 kilometers
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3x+4y=2 4x-4y=12 elimination
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3x+4y=2 4x-4y=12 by using elimination
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If a machine takes 1 minute to fill 6 cartons of eggs, about how long will it take to fill 418 cartons?
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4(1.5c+6)-2c=-9 I need a help my teacher doesn't help
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If a square has an area of 225 square feet what is the length of each side
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Do natural numbers have multiplicative inverse
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Write each rate as a unit rate. 3 inches of rain in 6 hours
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What is the scientific notation of 6,780?
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