Mathematics, 07.10.2019 09:50 reyamukhtar
X^2-14x-12y+73=0 find equation, vertex, focus , directrix, and focal width
Answers: 3
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Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
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Mathematics, 21.06.2019 17:30
Which of the following is true for the relation f(x)=2x^2+1
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Mathematics, 21.06.2019 19:40
Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?
Answers: 1
Mathematics, 21.06.2019 21:00
X+y=-4 x-y=2 use elimination with adding and subtraction
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X^2-14x-12y+73=0 find equation, vertex, focus , directrix, and focal width...
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