Translate the word statement into a percent equation. Do not solve.What number is 76% of 42?
A. n ? 76% = 42
B. n ? 76 = 42
C. n = 76% ? 42
D. n = 76 ? 42
Answer: C
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Solve the problem.Rounded to three decimal places, the two solutions of x2 = x + 1 are
A. 1.618 and -1.618. B. 1.618 and -0.618. C. 1.618 and 2.236. D. 1.618 and 0.618. E. none of these
Use substitution to determine whether the given x-value is a solution of the equation.sin x = - , x =
A. Yes B. No
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?); range: [3, ?) B. Function; domain: [3, ?); range: (-?, ?) C. Not a function; domain: (-?, ?); range: [3, ?) D. Not a function; domain: [3, ?); range: (-?, ?)
Sin t and cos t are given. Use identities to find the indicated value. Where necessary, rationalize denominators.sin t = - , cos t =
. Find csc t.
A.
B. -
C.
D.