Write the repeating decimal number as a fraction.2.41414141 . . .
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.For what values of x can we replace cos x by 
with an error of magnitude no greater than 
A. -0.600 ? x ? 0.600 B. -0.682 ? x ? 0.682 C. -0.436 ? x ? 0.436 D. -0.378 ? x ? 0.378
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial.24 + 5x - x2
A. (8 - x)(3 - x) B. (8 - x)(3 + x) C. (8 + x)(3 - x) D. (x + 8)(x - 3)
Mathematics
Solve the problem.A reflecting telescope has a mirror shaped like a paraboloid of revolution. If the distance of the vertex to the focus is 30 feet and the distance across the top of the mirror is 68 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics