Verify that each equation is an identity.sin(4x) = (4 sin x cos x)(2 cos2 x - 1)
What will be an ideal response?
sin(4x) = 2 sin(2x) cos(2x) = (4 sin x cos x)(2 cos2 x - 1).
Mathematics
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Match the equation with the surface it defines.
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= 
A. Figure 3 B. Figure 2 C. Figure 4 D. Figure 1
Mathematics
As part of a study on the metabolism of athletes, 400 college basketball players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 215 pounds and the standard deviation is 15 pounds.Of the 400 players approximately how many weighed 200 pounds or less?
A. 32 B. 336 C. 64 D. 100 E. none of these
Mathematics
Graph the inequality.25x2 - 9y2 ? 225
A. 
B. 
C. 
D. 
Mathematics
Decompose the fraction into partial fractions.
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What will be an ideal response?
Mathematics