Factor the trinomial, or state that the trinomial is prime.9x2 + 6xt - 8t2
A. (3x + 4t)(3x - 2t)
B. (3x - 4t)(3x + 2t)
C. prime
D. (9x + 4t)(x - 2t)
Answer: A
Mathematics
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Calculate the circulation of the field F around the closed curve C.F = x2y3i + x2y3j; curve C is the counterclockwise path around the rectangle with vertices at 
, and 
A. 108 B. 153 C. 9 D. 0
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Write fraction as decimal number. Use bar notation for repeating decimals.
A. 1.15
B. 1.1
C. 1.
D. 1.
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (7t3 - 8)j + 
k
A. a(0) = 2i - 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i + 
k
Mathematics
Which polygons can be used to make a regular tessellation? Explain why.
What will be an ideal response?
Mathematics