Find the number of terms in the sequence or the sum of the sequence as requested.Find the sum of the following arithmetic sequence.1 + 2 + 3 + . . . + 500
A. 62,500
B. 251,001
C. 125,000
D. 125,250
Answer: D
Mathematics
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Solve the inequality, then graph the solution.-6(5y - 11) < -36y + 54
A. [-2, ?)
B. (-2, ?)
C. (-?, -2]
D. (-?, -2)
Mathematics
Graph the solution set of the system of inequalities.
A. 
B. 
C. 
D. 
Mathematics
Solve.Initially, a pendulum swings through an arc of 3 feet. On each successive swing, the length of the arc is 0.8 of the previous length. After 10 swings, what total length will the pendulum have swung (to the nearest tenth of a foot)?
What will be an ideal response?
Mathematics
Solve.
- 9 = -7
A. 38 B. -36 C. -38 D. 36
Mathematics