Use the properties of exponents and radicals to determine the value for x that makes the equation true.
?
?
A. 
B. 7
C. 
D. 
E. 6
Answer: B
Mathematics
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Make the required change in the given equation.z = x2 + y2 to cylindrical coordinates
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Find the probability.A family has five children. The probability of having a girl is 1/2. What is the probability of having at least 3 boys?
A. 0.5000 B. 0.3125 C. 0.1563 D. 0.4688
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Add or subtract.(2x8 - 9x6 + 8x2 + 4) + (8x7 + 5x6 - 4x)
A. 2x8 + 8x7 - 4x6 + 8x2 - 4x + 4 B. 2x8 + 8x7 + 4x6 + 8x2 - 4x + 4 C. 10x8 - 14x6 + 8x2 - 4x + 4 D. 10x8 - 4x6 + 8x2 - 4x + 4
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Evaluate the integral.
A. -
x e-2x - e-2x + C
B. -10x e-2x - 26 e-2x + C
C. -
x e-2x - 
e-2x + C
D. 
x e-2x + 
e-2x + C
Mathematics