Find the length of the curve.x = 4 sin t + 4t, y = 4cos t, 0 ? t ? ?
A. 4?
B. 16
C. 8
D. 24
Answer: B
Mathematics
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Give the symbol that represents the portion of the line named and draw a figure showing just the portion named.
Ray RP
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A map has a scale of 3 miles to the inch. How far apart in reality are two cities that are 21 inches apart on the map?
A. 54 in. B. 63 mi. C. 6 in. D. 7 mi.
Mathematics
Solve the equation and check your solution.-16.6y = 232.4
A. -1.19 B. -215.8 C. -218.4 D. -14
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.4 + 8 + 12 + ... + 4n = 2n(n + 1)
What will be an ideal response?
Mathematics