Mathematics, 26.06.2019 19:30 pops2545
The concentration of the mixture obtained by mixing two solutions, a and b, is 20%. the concentration of the second mixture obtained by mixing the same two solutions is 14.8%. find the concentration of each of the solutions a and b, if the first mixture is obtained by mixing them in 1: 1 ratio and the second is obtained by mixing them in 3: 7 ratio.
Answers: 1
Mathematics, 21.06.2019 17:00
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
Answers: 2
Mathematics, 21.06.2019 18:30
In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x
Answers: 1
Mathematics, 21.06.2019 18:30
Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?
Answers: 1
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
Answers: 2
The concentration of the mixture obtained by mixing two solutions, a and b, is 20%. the concentratio...
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