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An alloy of copper and tin is 20% copper. How many pounds of copper must be added to 20 pounds of the alloy to get an alloy that is 50% copper?
Answers: 1
Mathematics, 21.06.2019 20:40
How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142
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Mathematics, 21.06.2019 22:00
The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick
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Mathematics, 22.06.2019 00:30
1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.
Answers: 2
An alloy of copper and tin is 20% copper. How many pounds of copper must be added
to 20 pounds of t...
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