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The number of students in Mrs. Patrick's piano class decreased by 15% in 2 years, to 17 students. How many students did she have 2 years ago? ... 01/27/2020 18:18
Coal has about 2% sulfur. How many kilograms of sulfur would be emitted from coalfired power plants in the United States in 1 yr? (U.S. electricity... 01/27/2020 15:23
2 workers can paint a room in one day. Assuming the workers paint at the same rate, how long would it take for 6 workers to paint 2 rooms? ... 01/27/2020 09:17
Matthew is making a model of a mountain shaped like a cone. The model will be 8 inchestall and have a 10-inch diameter. How much clay does Matthew nee... 01/27/2020 05:45
Determine th x-intercepts of the function k(x)=3x^2+x-2... 01/26/2020 15:40
Convert to factored form: 7x^2-32x-60... 01/26/2020 15:38
Each of Mrs. Jackson’s students records the number of hours he or she studied for a recent quiz. Mrs. Jackson then compared this time to the score e... 01/25/2020 22:15
How to write an equation for a situation ... 01/25/2020 15:16
Bacteria which attack the body reproduce every 20 minutes.....if an improperly prepared mummy has 200 bacteria how many bacteria will it hold 40 minut... 01/24/2020 17:26
Expand and then simplify the equation. ?? 5(m+2)+9(n+4)... 01/24/2020 02:29
Jenny sold 42 apples and 5/6 of them are red apples. how many red apples did Jenny sold... 01/24/2020 00:54
-5(3p+3)+9(-7+p)... 01/24/2020 00:05
John hiked 4 miles up the mountain trial. His descent was 10% faster than his climb up. Let r be his speed climbing up. What is the expression the re... 01/23/2020 23:10
20000L tank in a chemical factory drains at a constant rate.it takes 100min to empty the tank. When is there 6000 L of water left in the tank .draw a ... 01/23/2020 22:11
F(h) is odd h(3)=-7, what is h(-3)? f(h) is odd h(5)=12, then h(__)=__... 01/23/2020 20:18
7/3 * 13/8... 01/23/2020 15:51
If oil price is Rs 67 per liter and car cover the 20 km distance in 1 ltr then how much quantity of oil used for 900 km and what was the cost of oil... 01/23/2020 06:50
The price of the new Jordon Horizon Premium high top is $185.50. You found two coupons online and need to figure out which store to order your sneaker... 01/22/2020 23:15
Solve each linear system using substitution y = 2x - 13 x + 2y = -6... 01/22/2020 21:11
Two products A and B. Business invests $240 expecting net profit of $300 production costs A = $2 B = $3 selling price a A =$5 B=$6 Profit A =... 01/22/2020 19:17

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