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What Two numbers have the sum of W and their difference is 6?
½W - 3 and ½W + 3 (½W - 3) + (½W + 3) = ½W + ½W - 3 + 3 = W |(½W - 3) - (½W + 3)| = |½W - 3 - ½W - 3| = |½W - ½W - 3 - 3| = |-6| = 6 (The difference between two numbers can be calculated by subtracting one from the other and ignoring the sign; |n| is the value of n ignoring the sign.)
What are synonyms for no idea?
clueless
How do you solve equation 18 plus W-13-20?
Without an equality sign the given expression is not an equation but it can be simplified to: W-15
What is the answer to -4 fraction sign 9 w equals -11 fraction sign s12?
There is only one equation with two unknowns (w and s). The nature of the equation is such that there can be no solution: it is possible to express s in terms of wor conversely but that is all.
The perimeter of a rectangle is 200 feet and the area is 2400 feet squared What is the length and width?
Suppose the length and width are L and W Perimeter = 2(L+W) = 200 so L+W = 100 so L= 100-W Area = L*W = 2400 so (100-W)*W = 2400 W2 - 100W + 2400 = 0 W = (100 +/- sqrt(10000 - 4*2400))/2 where the minus sign will give W and the plus sign will give L So W = (100 - sqrt(400))/2 = (100 - 20)/2 = 80/2 = 40 feet So L = 100-40 = 60 feet
