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

You might also like to view...

Solve the problem.Find the future value (to the nearest dollar) of the following inflation-adjusted retirement account. Deposits are made at the end of each year.

A. $250,724 B. $264,653 C. $232,152 D. $220,544

Mathematics

Add in the indicated base.

A. 110002 B. 10,0012 C. 110012 D. 11112

Mathematics

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

Mathematics

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