Solve the following equations: a) 2x + 1=7 b) 2x - 9 =25 c) 5x - 20 = 3x - 8 d) 4r - r over 4 = 15 and the r is above the 4 and the four is under a line! Sorry...
Solve the following equations: a) 2x + 1=7 b) 2x - 9 =25 c) 5x - 20 = 3x - 8 d) 4r - r over 4 = 15 and the r is above the 4 and the four is under a line! Sorry...
Einstein's famous formula states that E = mc squared. Rewrite the formula with c as the subject. please help and show all your working out! Thank you very much!!
Remove the brackets from: (5x + 3)(x-4) (2x-1)2 please help and show all your working out, thank you very much!
One side of a rectangle is 2 cm longer than the other. The perimeter of the rectangle (that is, the distance all the way around the edge) is 24cm. How long are the sides of the rectangle? please...
Make y the subject of 4y-2x=17 and 2y over 3-x=z (by over i mean that 2y is above 3 and 3 is under the line if you know what it mean!) please help and show working out! thank...
Use the trial and improvement method to solve the equation 2xcubed+5=24. Find a solution that is a positive number give your answer correct to one decimal place. ease help and show working...
I need help with my algebra work, i'm home schooled and my mum doesn't know how do do algebra, please help! Make y the subject of: 4y-2x=17 And 2y...