The two triangles below are similar. Find the missing length.
A. x = 16
B. x = 20
C. x = 15
D. x = 5
Answer: C
Mathematics
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Find the sum of the arithmetic sequence.{-5n + 1}, n = 47
A. -5193.5 B. -5475.5 C. -5593 D. -5358
Mathematics
Eliminate the parameter to find a Cartesian equation for the ellipse.x = 2 + 6 cos t, y = 6 + 6 sin t
A. -
= 1
B. +
= 1
C. +
= 1
D. +
= 1
Mathematics
True or false: The matrix is diagonalizable.
?
A. ?false B. ?true
Mathematics
Simplify the expression.- (z - 14) -
z
A. z -
B. z + 14
C. z +
D. - z +
Mathematics