Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.cos (x + ?) = cos x
A. 
B. 
C. 0
D. - 
Answer: C
Mathematics
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Evaluate the function.Find f(p) when f(x) = 
A. 
B. 
C. 8p - 2
D. 
Mathematics
Use the empirical probability formula to solve the exercise.Two coins are tossed 20 times and the number of tails is observed.
What is the probability that exactly one tail occurred?
A. 
B. 
C. 
D. 1
Mathematics
State the name of the property illustrated.14 ? (7 + 1) = 14 ? 7 + 14 ? 1
A. Distributive property of multiplication over addition B. Commutative property of addition C. Commutative property of multiplication D. Associative property of multiplication
Mathematics
Use the Pythagorean Theorem to find the missing length in the right triangle. Express the answer in radical form and simplify, if possible.
A. 6.5 cm
B. 54.5 cm
C. 
cm
D. 109 cm
Mathematics