The window shown below has the shape of an ellipse. Find the height of the window 20 inches from one end.
?
?
A. 38.2"
B. 37.8"
C. 37.7"
D. 38.9"
E. none of these
Answer: C
Mathematics
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Find the indicated trigonometric function of ?.
Find sin B and tan B.
A. sin B = 
; tan B = 
B. sin B = 
; tan B = 
C. sin B = 
; tan B = 
D. sin B = 
; tan B = 
Mathematics
Solve the equation.10x - 4 = 26
A. {24} B. {3} C. {20} D. {6}
Mathematics
Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 2 years. If necessary, round to three decimal places.
A. 527.803 B. 54.409 C. 5278.032 D. 5.441
Mathematics
Determine if the given ordered triple is a solution of the system.(1, -2, 2)
A. not a solution B. solution
Mathematics