Solve the problem. Round to one decimal place if needed.If a flagpole 15 feet tall casts a shadow that is 20 feet long, find the length of the shadow cast by an antenna which is 45 feet tall.
A. 33.8 ft
B. 60 ft
C. 50 ft
D. 6.7 ft
Answer: B
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Express as a product of prime factors.700
A. 24 ? 7 B. 22 ? 52 ? 7 C. 54 ? 7 D. 23 ? 52 ? 7
Provide an appropriate response.The loudness of sound is measured by a unit called a decibel. A very faint, or threshold sound, has an intensity of l0, while other sounds have intensity l, which is a specified number time the threshold sound. The decibel rate is given by the formula decibel = 10 log
. Use this formula to find the decibel rating for a sound having intensity 200,000l0
A. 6.30 decibels B. 5.30 decibels C. 122.06 decibels D. 53.01 decibels
Convert the area as indicated.129.2 square millimeters to square centimeters
A. 1292 cm2 B. 1.292 cm2 C. 0.1292 cm2 D. 12.92 cm2
Solve the problem.A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 11?
A. 
B. 
C. 
D. 