Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? w = u ? (w × v)
What will be an ideal response?
Not always true; (u × v) ? w = u ? (v × w), but v × w = -(w × v) from which it follows that the original equation false if 
Mathematics
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Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.sin2 57° + cos2 57°
A. 0 B. 1 C. -1 D. 2
Mathematics
Factor the expression completely.
?
What will be an ideal response?
Mathematics
Answer the question.True or False? If the numerator and the denominator of a fraction are different prime numbers, then the fraction is always in lowest terms.
A. False B. True
Mathematics
Complete.2.2 g = 
kg
A. 0.00022 B. 0.0022 C. 220 D. 2200
Mathematics