Find the foci of the given hyperbola.y2 - x2 - 4y + 10x - 46 = 0
A. (0, 5
), (0,- 5
)
B. (5 + 5
, 2), (5 - 5
, 2)
C. (5, 2 + 
), (5, 2 - 
)
D. (5, 2 + 5
), (5, 2 - 5
)
Answer: D
Mathematics
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Simplify the algebraic expression by combining similar terms.0.2 (x - 2) + 0.7 (x + 7) - 0.1x
A. 0.8x + 4.3 B. 0.8x + 4.5 C. 0.8x + 4.1 D. 0.8x + 4.6 E. 0.8x + 4.8
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Add and write the resulting polynomial in descending order.
+ 
A. 2y4 + 
y3 - 3y2 + 9y + 2
B. 2y4 + 
y3 - 3y2 + 9y + 18
C. 2y4 + 
y3 - 3y2 + 9y + 2
D. 2y4 + 
y3 - 2y2 + 11y + 2
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Solve the problem.If f varies jointly as q2 and h, and f = 96 when q = 4 and h = 3, find q when f = 40 and h = 5.
A. 2 B. 4 C. 3 D. 5
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Find the sum without the use of a number line.4.9 + (-7.6) + (-3.8)
A. 1.1 B. 8.7 C. 16.3 D. -6.5
Mathematics