Use the method of Gauss to find the sum.1 + 2 + 3 + . . . + 175
A. 30,976
B. 7656.25
C. 15,312.5
D. 15,400
Answer: D
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Provide an appropriate response.Chantal noted that there are two equally likely outcomes when you flip a fair coin and heads is one of those outcomes. She concluded that the probability of getting heads on a flip of a fair coin is 1/2 . Which method did Chantal use?
A. Subjective method B. Empirical method C. Relative frequency method D. Theoretical method
Solve each proportion for the given variable.
= 
A. 3
B. 
C. 30
D. 1
Solve the problem.Salt Lake City, Utah, is due north of Flagstaff, Arizona. Find the distance between Salt Lake City (40°45' north latitude) and Flagstaff (35°16' north latitude). Assume that the radius of the Earth is 3960 miles. Round to nearest whole mile.
Fill in the blank(s) with the appropriate word(s).
Use the half-angle formulas to simplify the expression.
?
?
?
A. ?- ?|cos x| B. ?|cos x| C. ??|cos 4x| D. ??- |cos 4x| E. ?- ?|cos 8x|