Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-third as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: C
Mathematics
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Solve the equation.
+ 
= 4
A. 2, -2
B. 
, -2
C. -2
D. 0
Mathematics
Round as indicated.4355 to the nearest hundred
A. 4390 B. 4300 C. 4400 D. 4500
Mathematics
Write a fraction and a percent for the shaded part of the figure.
A. 
or 0.12%
B. 
or 10%
C. 
or 1.2%
D. 
or 12%
Mathematics
Solve the problem.How many different 11-letter words (real or imaginary) can be formed from the letters of the word MISSISSIPPI? Leave your answer in factorial form.
Fill in the blank(s) with the appropriate word(s).
Mathematics