Are the given lines parallel, perpendicular, or neither?
4x- 8y+ 6= 0
-2x+ 4y- 7= 0
parallel
Mathematics
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Find the second derivative.y = 4x2 + 4x - 3
A. 0 B. 8 C. 8x + 4 D. 4
Mathematics
y?? ? 6y? +12y = 3, y (0) = ?1, y?(0) = 2 7
Solve the initial-value problem.
Mathematics
Evaluate the expression.-1 - 1
A. -2 B. -1 C. 2 D. 0
Mathematics
Solve the problem.A pendulum bob swings through an arc 50 inches long on its first swing. Each swing thereafter, it swings only 72% as far as on the previous swing. What is the length of the arc after 11 swings? Round your answer to two decimal places, if necessary.
A. 0.97 inches B. 1.35 inches C. 360 inches D. 1.87 inches
Mathematics