A parabolic archway has the dimensions shown in the figure. Find the equation of the parabolic portion.
?
ft, 
ft, 
ft, 
ft
?
?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the exact value of the expression or state that it does not exist.cos
A. 
B. - 
C. 
D. - 
Mathematics
Find the vector v that has a magnitude of 4 and is in the same direction as u,where 
a. 
b. 
c. 
d. 
e. 
Mathematics
Solve the problem.An organization can elect a president and a different vice-president in 350 different ways. How many members does the organization have?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve. Write the answer as a mixed number as needed.Find the length of the section represented by x in the figure. 
a = 2
b = 12
A. 20
B. 12
C. 7
D. 7
Mathematics