Use the method of Gauss to find the sum.1 + 2 + 3 + . . . + 650
A. 422,500
B. 211,250
C. 105,625
D. 211,575
Answer: D
Mathematics
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A. $250,724 B. $264,653 C. $232,152 D. $220,544
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Add in the indicated base.
A. 110002 B. 10,0012 C. 110012 D. 11112
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Provide an appropriate response.A shadow cast by a tree is 27 feet long when the angle of inclination toward the sun is 40°. How tall is the tree? Round to four significant digits.
A. 32.18 ft B. 17.36 ft C. 22.66 ft D. 35.25 ft
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Solve the problem.A game involves choosing 7 numbers from the numbers 1 through 13. In how many ways can this be done?
A. 1724 B. 8,648,640 C. 1696 D. 1716
Mathematics