Solve the problem.The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 91,000 miles has 
inches of tread left. How much tread will be left on a tire that has traveled 44,000 miles?
A. 
in.
B. 
in.
C. 
in.
D. 208,000 in.
Answer: A
Mathematics
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Solve the problem.A pendulum traces out a path over the x, y-plane described by 
. Determine the center and the radius of the circle by completing the square. Round each number in your answer to the nearest hundredth.
A. (-41.16, 27.51), r = 82.65 B. (-41.16, 27.51) r = 1366.20 C. (-13.72, 9.17), r = 16.53 D. (13.72, -9.17), r = 273.24
Mathematics
Simplify.21 ÷ 
- 6 ÷ 
A. 5
B. 1
C. 
D. 
Mathematics
Find the value of (f ? g)' at the given value of x.f(u) = 
, u = g(x) = 2x2 + x + 2, x = 0
A. 
B. 
C. 
D. - 
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.Show that the statement "
is a prime number" is true for 
, but is not true for 
.
What will be an ideal response?
Mathematics