24 10
А
26
Find cos 2C
A. 5
13
B.
12
13
C. 12
5
D. 13
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The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .