The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 2, b = 2
A. 2
B. 2
C. 8
D. 7
Answer: A
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Simplify the given expression by giving the results in terms of one-half the given angle. Then use a calculator to verify the result.
A. 0.891 B. 0.642 C. 1.782 D. 1.2601
Solve using Cramer's rule. 9x - 5y - z = -8 x + 9y - 3z = 44-7x + y + z = -8
A. (3, 3, 1) B. (5, 1, 5) C. (2, 5, 1) D. (2, -5, -1)
Convert the following.74 days to weeks and days
A. 14 weeks and 5 days B. 9 weeks and 4 days C. 10 weeks and 4 days D. 10 weeks and 3 days
Solve the system of equations.
A. x = z + 2, and y = z - 2, where z is any real number or {(x, y, z) |x = z + 2, and y = z - 2, where z is any real number} B. x = 2 - z, and y = z + 2, where z is any real number or {(x, y, z) |x = 2 - z, and y = z + 2, where z is any real number} C. x = z + 2, and y = 2 - z, where z is any real number or {(x, y, z) |x = z + 2, and y = 2 - z, where z is any real number} D. inconsistent