Find the sum of the arithmetic series using a formula.1 + 2 + 3 + ... + 122

A. 14,884
B. 7381
C. 15,006
D. 7503


Answer: D

Mathematics

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Provide an appropriate response.Write an expression and simplify to find the area of the following:

What will be an ideal response?

Mathematics

Find any values of the variables that must be excluded.

A. x = 4 B. x = -9 C. x = 0 D. Defined for all real numbers

Mathematics

Name the property illustrated by the statement.(2 + 6) + 3 = (6 + 2) + 3

A. associative property of addition B. additive inverse property C. distributive property D. commutative property of addition

Mathematics

Solve.9x - 9y - 6z = -116x + 3y - 3z = 1  x - y + 2z = -3

A.  
B.  
C.  
D.  

Mathematics