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let 2x-3=a (2x-3)3+ 1/((2x-3)³)=2 a³+ 1/(a³ )=2 a6+ 1=2a³ a6- 2a³+1=0 (a3- 1)2= 0 a³=1 a=1 2x-3=1 2x=4 x=2 4y²+(y+8)2= 157 4y²+y²+64+16y=157 5y²+16y-93=0 5y2-15y+31y-93=0 5y(y-3)+31(y+3)= 0 5y(y-3)+31(y- 3)= 0 y=3,-31/5 Hence, no relationship cannot be established between x and y.
A solution contains 40% sugar and the rest water. After adding 25 liters of water, we get another solution where the percentage of sugar drops to 20%. T...
The radius of a circle is 14 cm, and the angle subtended by a sector at the center of the circle is 120°. Find the area of the sector.
A man travels 60 km at a speed of 30 km/h and then travels 90 km at a speed of 60 km/h. What is his average speed for the entire journey?
An unknown number is first multiplied by 111 and then 63 is added to it. When the resultant number is divided by 9, the quotient and remainder obtained ...
If sin(3θ) = cos(2θ), find θ.
Jason alone can complete a piece of work in 20 days. In how many days can Jamal alone do the same work, if both of them together can do the same work in...
If the sum of remainders, obtained on dividing 52436 by 22 and 59461 by 73, is divided by 13, then the remainder will be:
Determine the mean of the following observations:
24, 26, 22, 25, 20, 21, 24, 25
