Solve the problem.Elaine had 38 buttons. Her grandmother donated 5 cards of buttons to the collection. Elaine sorted the buttons into 7 piles, putting 9 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 36 buttons
B. 58 buttons
C. 5 buttons
D. 61 buttons
Answer: C
Mathematics
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Use the integral test to determine whether the series converges.
A. converges B. diverges
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Convert as indicated. Express the answer in decimal form when needed.11 feet per second to meters per second (Round to the nearest tenth.)
A. 3.4 ft/sec B. 33 ft/sec C. 12.2 ft/sec D. 3.7 ft/sec
Mathematics
Evaluate the expression using the given values. ; x = 12, y = -5
A. 17
B. 13
C.
D. 15
Mathematics
Subtract.(-6x7 - x4y3 + x3y4 + 4y7) - (12x7 + x4y3 - 4x2y5 + 7xy6 + 3y7)
A. -18x7 + x3y4 - 4x2y5 + 7xy6 + 7y7 B. -18x7 + x3y4 + 4x2y5 - 7xy6 - y7 C. -18x7 - 2x4y3 + x3y4 + 4x2y5 - 7xy6 + y7 D. -18x7 + 2x4y3 + x3y4 - 4x2y5 + 7xy6 - y7
Mathematics