Solve the problems.On a map of the Fox River, 1 centimeter represents 6 kilometers. If a trail by the river is actually 20.40 kilometers long, what is the length of the river on the map? Round to nearest tenth.
A. 5.4 centimeters
B. 9.4 centimeters
C. 3.4 centimeters
D. 14.4 centimeters
Answer: C
Mathematics
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Find the length of the curve.The parabolic segment r = 
, 0 ? ? ? 
A. 
(
+ ln(
+ 1))
B. 54?
C. 27
D. 
(
- ln(
- 1))
Mathematics
Compute the partial sum of the geometric series for the stated value of n. Round your answers to four decimal places.ak = 
(k-1); n= 9
A. S9 = 1.32462379 B. S9 = 3.65742379 C. S9 = 0.49542379 D. S9 = 1.49992379
Mathematics
Solve the problem.Find the interest if $2400 is borrowed at 9% (or 0.09) for 3 years. (I = PRT)
A. $2160 B. $216 C. $648 D. $3048
Mathematics
Solve the equation.
+ 
= 
A. {-1} B. {-3} C. {3} D. {1}
Mathematics