Find the standard form of the equation of the ellipse with the given characteristics.
?
?vertices: (-1, -11), (-1, 7), minor axis of length 2
?
A.
B.
C.
D.
E.
Answer: C
Mathematics
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Solve for the specified variable.M = ?r2hdfor r
A. r =
B. r =
C. r = ±
D. r =
Mathematics
Find the limit.(-2x18 + 10)
A. -? B. 10 C. ? D. 0
Mathematics
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The test scores of 40 students are summarized in the frequency distribution below. Find the standard deviation.
A. 15.8 B. 13.5 C. 14.3 D. 15
Mathematics
Find the exact value of the expression.cos sin
- cos
sin
A.
B.
C.
D. 1
Mathematics