5x - 9y = -24
y= -2x - 5
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Answers: 1
Mathematics, 21.06.2019 21:00
How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?
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In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the
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A. 2.3y +2 +3.1y = 4.3y + 1.6 + 1.1y + 0.4 b. + 25 - = c. 5/8x + 2.5 = 3/8x + 1.5 + 1/4x d. 1/3 + 1/7y = 3/7y
Answers: 2
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Consider the function f left parenthesis x right parenthesis equals 4 x squared minus 3 x minus 1f(x)=4x2β3xβ1 and complete parts (a) through (c). (a) find f left parenthesis a plus h right parenthesis f(a+h); (b) find startfraction f left parenthesis a plus h right parenthesis minus f left parenthesis a right parenthesis over h endfraction f(a+h)βf(a) h; (c) find the instantaneous rate of change of f when aequals=77.
Answers: 3
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