Solve the problem.A satellite dish has a parabolic cross section and is 12 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 32 ft
B. 28 ft
C. 30 ft
D. 36 ft
Answer: B
Mathematics
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Find the exact value of the expression using the provided information.Find cos(A - B) given that cos A = - 
, with A in quadrant III, and 
with B in 
A. 
B. 
C. 
D. 
Mathematics
Rewrite the following number using digits.Eight thousand, one hundred sixty-seven
A. 810,067 B. 800,167 C. 81,067 D. 8167
Mathematics
Change the logarithmic expression to an equivalent expression involving an exponent.log4 x = 2
A. 24 = x B. 42 = x C. x2 = 4 D. 4x = 2
Mathematics
Solve.p - 13 = 13
A. p = 26 B. p = 13 C. p = 169 D. p = 0
Mathematics