Solve the problem.The aspect ratio (length to width) of an LCD computer monitor is 5 : 4. The LCD monitor of a Toshiba laptop computer has a perimeter of 32.4 inches. What is the diagonal measure of the screen. Round your answer to the nearest tenth of an inch?
A. 4.0 in.
B. 11.5 in.
C. 132.8 in.
D. 16.2 in.
Answer: B
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 4x,
y = 0,
x = 4; revolve about the x-axis
A. 
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.There are 20 bags filled with coins that all look alike. The coins in 19 of the bags are authentic and weigh 10 ounces each. The coins in one of the bags are counterfeit and weigh 11 ounces each. With only one weighing on a scale, how can you determine which bag contains the counterfeit coins?
What will be an ideal response?
Mathematics
Evaluate. The differential is exact.
A. ln 12 B. ln 4 C. 0 D. ln 7
Mathematics
Divide and simplify.
÷ 
A. 
B. x + 3
C. 
D. 
Mathematics