Solve the radical equation, and check all proposed solutions.
+ 9 = x + 5
A. {8}
B. {2, 8}
C. 
D. {-4}
Answer: A
Mathematics
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
A. 
< 
B. 
< 1.23 × 10-2
C. 
< 1.37 × 10-3
D. 
< 4.12 × 10-3
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 20 in. B. 17.5 in. C. 25 in. D. 24 in.
Mathematics
Evaluate the integral.
A. 
y2 cos 2y - 
y sin 2y - 
cos 2y + C
B. - 
y2 cos 2y + 
y sin 2y + 
cos 2y + C
C. - 
y2 sin 2y + 
y cos 2y + 
sin 2y + C
D. - 
y2 cos 2y + 1y sin 2y + 1 cos 2y + C
Mathematics
Provide an appropriate response.Is this statement correct or incorrect?Explain. 8
= 8 ? 
What will be an ideal response?
Mathematics