20x2=40
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To find the volume, you multiply the length times width times height. example length:4 width:5 height:2 4x5=20, 20x2=40. Your answer would be 40.
2x + 6 = 2(x + 3) so 2x + 6 = 0 implies x = -3 Now, substitute x = -3 in 8x3 + 20x2 + 36 which is -8*27 + 20*9 + 36 = -216 + 180 + 36 = 0 So -3 is a root of 8x3 + 20x2 + 36 ie, by the remainder theorem, (x + 3) is a factor. Also, each of the coeffivcients in the expression is even, so 2 is also a factor. So 2*(x + 3) or (2x + 6) is a factor.
If the equation looks like this: (10x-3)(2x-5), then simplified it is 20x2-56x+15 If the equation looks like this: 10x-3(2x-5), then simplified it is 4x+15
5x8 10x4 20x2
Since 20 and 50 can be divided by 10, 20/50 is equivalent to 2/5. So 100 divided by 5=20 20x2=40 The answer is 0.4 You can get the answer easier by dividing 20 by 50 or if you can't do that then simplify the fraction (as above) to 2/5 now divide 2 by 5. 2 can't be divided by 5 so you place a decimal point and add a zero to the 2. Now you have .20 divided by 5. .20 divided by 5 is .4 or 0.4