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Which of the following is not necessarily a parallelogram? (30 points)

	trapezoid
	rhombus
	square
	rectangle
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written by SteveD503 • topics: geometry block unblock • math block unblock • Shapes block unblock • mathematics block unblock • mathmatics block unblock

680 responses

2 comments

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Quick! Seven minus four multiplied by the sum of thirteen and seventeen (20 points)

	Thirty
	Forty two
	Ninety
	Sixty
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written by SteveD503 • topics: math block unblock • mathematics block unblock • mathmatics block unblock • science block unblock • School Subjects block unblock and 1 more » • thinking

1929 responses

31 comments

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Your house is celebrating its sesquicentennial. How old is it? (30 points)

	150 years
	500 years
	50 years
	300 years
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written by SteveD503 • topics: Society block unblock • words block unblock • mathmatics block unblock • weights/measure block unblock • definitions block unblock and 4 more »

796 responses

2 comments

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What is the answer to this equation: e^(i*pi) = ? (40 points)

	undefined
	1
	0
	-1
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written by sam • topics: mathematics block unblock • math block unblock • history of science block unblock • calculus block unblock • mathmatics block unblock and 1 more » • science

257 responses

4 comments

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What is the term for an integer that is half the sum of all its positive divisors? (30 points)

	Perfect number
	Counting number
	Identity number
	Powerful number
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written by clarkgable • topics: numbers block unblock • math block unblock • Algebra block unblock • mathematics block unblock • factors block unblock and 2 more » • science • mathmatics

745 responses

5 comments

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What is this? (40 points)

	Sculptoid
	Tetrak
	Wobl
	Gomboc
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written by darko • topics: geometry block unblock • mathmatics block unblock • mathematics block unblock • general block unblock • geography block unblock and 2 more » • science • Shapes

236 responses

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Complete the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21... ? (10 points)

	23
	55
	34
	29
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written by flashboy • topics: math block unblock • mathmatics block unblock • science block unblock • numbers block unblock

7405 responses

60 comments

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In the famous equation E=mc^2, What does the c stand for? (10 points)

	Copernicus' Constant
	Elementary Charge
	Speed of Light
	Planck's Constant
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written by bubba2nark • topics: science block unblock • physics block unblock • astronomy block unblock • mathmatics block unblock

482 responses

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What is the derivative of 3x^2 + 3x - 9 with respect to x? (10 points)

	3x^2 + 3
	3x
	6x + 3
	2x + 3
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written by tazdar • topics: maths block unblock • mathmatics block unblock • math block unblock • mathematics block unblock

41 responses

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