Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 2y - y2 and the y-axis about the x-axis
A. 2?
B. 4?
C. 
?
D. 
?
Answer: C
Mathematics
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Provide an appropriate response.Perform the multiplication and express in scientific notation: (8.5 × 107)(4 × 10-3)
A. 3.4 × 10-10 B. 34 × 104 C. 3.4 × 105 D. 340,000
Mathematics
Write the complex number in rectangular form.9
A. 9 B. 9i C. -9i D. -9
Mathematics
Write the prime factorization of the number.63
A. 32 × 7 B. 9 × 3 C. 72 D. 9 × 7
Mathematics
Solve the problem.Jim has gotten scores of 84 and 78 on his first two tests. What score must he get on his third test to keep an average of 75 or better?
A. at least 63 B. at least 61 C. at least 79 D. at least 81
Mathematics