Find the value of the expression.
A. 
B. 
C. 2
D. 
Answer: A
Mathematics
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Use your calculator to solve the problem.The length of a hypotenuse c of a right triangle with legs a and b of lengths a = 79mm and b = 42mm is given by c = 
. Calculate the length of the hypotenuse. (Round to an appropriate number of significant digits.)
A. 121mm B. 67mm C. 89.47mm D. 89mm
Mathematics
Find the derivative of the function at the given point in the direction of A.
A = 12i - 5j
A. - 
B. 
C. - 
D. 
Mathematics
Find the equation in slope-intercept form of the line satisfying the conditions.Slope 1; y-intercept (0, -5)
A. y = x - 5 B. x + y = -5 C. y = -5x D. y = -5x + 1
Mathematics
Approximate the value using a calculator. Round your answer to three decimal places.e-2.7
A. 0.367 B. -0.067 C. 0.067 D. -7.339
Mathematics