how to solve for x to get the percent error?
138827
generally, you combine like terms and then subtract the same thing from both sides and/or divide both sides by the same thing.  but that may b 2 vague to help much.  i need a specific question.
334801
There's a lot of strange answers that seem to be showing up on here.  I saw the correct answer though, and it's -1/597 which is about -.001675.  \n\nThe percent sign means that you change x% to x/100, and now\nyour equation is \n\nx/100 = 2x + 1/300\nmultiply left and right side by 100 to get x on the left by itself\n\n100 (x/100) = 100(2x+[1/300])\n => x = 200x + 100/300\n => x=200x + 1/3\nnow subtract 200x from both sides, getting the x term all by itself on the left side \n\nx-200x = 200x-200x +1/3\n => -199x=1/3\n\nthe final step is to divide each side by -199 so x has no coefficient and is completely solved for\n\nso -199x/-199 = (1/3)/(-199)\n\nand now x = -1/(3*-199)  = -1/597 which is approximately equal to -.001675
456497
In general, when you have a "what percent" problem, I like to replace "what percent" with x/100.\n\n19.94 is "what percent" of 206.10.\n19.94 = x/100 * 206.10\n\nSolve for x\n\nx/100 = 19.94 / 206.10\nx = 19.94 / 206.10 * 100\n\nx = 9.67491509 percent\n\nx ≈ 9.67%
402486
take the percent, divide it by 100. then multiply the new value with 48.\n15/100=.15\n.15 x 48 = 7.2
473261
something is wrong in the way the problem is stated\nboth the answers are wrong, according to me.\nif you differentiate -19800-50.01x  you will get -50.01 and that cannot be equated to zero
68259
(Amount of Error - Correct Answer) divided by correct answer, times 100.
326311
you can work that in your head just by moving the point:\n10% is 443.7\n1% is 44.37\nso 443.7 + 44.37 + 44.37 = 532.44 !
437273
I already answered this in the other thread. Theres no solution: |2x-1| >= 0, so the left hand side is >= 0 + 3 = 3.\nNote that I'm not telling you that you did something wrong - 'no solution' is a perfectly legal answer to 'solve for x'.
184783
I hate to tell you, but I don't think there is an algebraic method for arriving at a value for x. Sometimes, this can be the case, in which case all you can do is find a numeric approximation, here around x=1.0587...\n\nI'll see if another user can prove me wrong, but I'm going to go with there's no way to solve this problem using analytic methods.
157650
Are we solving for x?
384818
x=-54\nthis one is incorrect.\ny=-2/3\nx=1\ny=54/2.7\ny=-2 ~
410366
x * log(1/8) = log(606)\n\nx = log(606)/log(1/8)\n\nx = -3.081
557935
Substitute or plug in the value for x an solve the problem using PEMDAS\n\nParentheses\nExponents\nMultiplication&\nDivision\nAddition&\nSubtraction
161018
Find the fraction/decimal/percent/whatever. Then, find how big this is for 360 degrees. For example, say you have 41%. Just find 41% of 360. If this is a problem, then just multiply the fractin/decimal/percent/whatever by 360.
93073
Here's how to figure this out.\n\nMean: 75% times 250\n\nThe other two are a little trickier, and there's more than one way to do it.  To get the variance, you take the sum of the squares of the individual deviations and divide by the sample size.  Because 0.75 of the sample passes, each pass gives a deviation of 0.25 because 1 pass - 0.75 is 0.25.  For the fails, the deviation is -0.75.  So that should be an expression like this:\n\n((0.25)^2 x M + (-0.75)^2 x (250 - M))/250\nwhere M is the mean you calculated above.  The ^2 is the exponent 2 for squaring something.\n\nThe standard deviation is the square root of the variance.
555828
Using proportions you can do the math later to find out how to get to the numbers, but basically it goes something like this;\n\nA = 4.00 - 3.50 = 100% - 90%\nB = 3.49 - 3.00 = 89% - 80%\nC = 2.99 - 2.50 = 79% - 70%\nD = 2.49 - 2.00 = 69% - 60%\nF = 1.99  -  0    = 59%  -  0%
552668
C 49.6%\n\n(or A with rounding to 0 decimal places/1 significant figure)