Find the probability for the experiment of tossing a coin two times. Use the sample space 
.
?
The probability of getting at least two heads.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Provide an appropriate response.Why can't the Pythagorean theorem be used to solve an oblique triangle?
What will be an ideal response?
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Perform the indicated operation(s). Simplify if possible.
- 
A. 
B. 2
C. 
D. 
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Find the perimeter.
All segments are of equal length.
A. 72 cm B. 120 cm C. 720 cm D. 144 cm
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Solve.A water tank can be filled in 5 minutes and emptied in 8 minutes. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
A. 3 min B. 26 min C. 15 min D. 13.33 min
Mathematics