How many litres of water will have to be added to 1125 litres of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content
Question
How many litres of water will have to be added to 1125 litres of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content
Find the value of a if tangent to curve y = x2 - ax + 7 is parallel to the line 2x - y + 9 = 0 at (- 1, 1) . find-the-value-of-a-if-tangent-to-curve-y-x-2-ax-7-is-parallel-to-the-line-2x-y-9-0-at-1-1
solve each of the following pairs of equations by the elimination method 2x+3y=8 4x+6y=7
for what value of p will the following pair of linear equations has a unique solution.2x+py=-5 and 3x+3y=-6
solve each of the following pairs of equations by reducing them to a pair of linear equations 10/x+y=2/x-y=4
solve each of the following pairs of equations by reducing them to a pair of linear equations 10/x+y=2/x-y=4
solve each of the following pairs of equations by reducing them to a pair of linear equations 10/x+y=2/x-y=4