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The square of a positive number is 49. What is the number?
Let x = the number. The sentence that is , "The square of a positive number is 49," translates to the equation x2 = 49. Take the square root of every side to obtain x2 = 49 so x = 7 or -7. Since you are looking for a positive number and the ?nal solution is 7.
Here we need to see the inverse of a matrix. Provided a square matrix, A, of size n x n if we can get the other matrix of similar size, B that, AB = BA = I n after that we call
Special Forms There are a number of nice special forms of some polynomials which can make factoring easier for us on occasion. Following are the special forms. a 2 + 2ab +
Properties of Dot Product u → • (v → + w → ) = u → • v → + u → • w → (cv → ) • w → = v → •(cw → ) = c (v → •w → ) v → • w → = w → • v →
how do you make a tnslation
what is the answer
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what is the are of a square that is 2 inches long and 2 inches wide?
WHAT IS PRECALC
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