The given figure shows two similar triangles. Find the length of the side labeled "x".
A. 20 meters
B. 26 meters
C. 28 meters
D. 35 meters
Answer: C
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Find 
by using the Chain Rule. Express your final answer in terms of t.w = ex cos y + ey cos x; x = 9t, y = -4t
A. e-4t(9 cos -4t + 4 sin -4t) e9t(-4 cos 9t - 9 sin 9t) B. e9t(9 cos -4t + 4 sin -4t) e-4t(-4 cos 9t - 9 sin 9t) C. e-4t(9 cos -4t - 4 sin -4t) e9t(-4 cos 9t + 9 sin 9t) D. e9t(9 cos -4t - 4 sin -4t) e-4t(-4 cos 9t + 9 sin 9t)
Write as a sum or difference of logarithms. Your results should not contain any exponents or radicals.log 10 xy
A. log 5 x + log 5 y B. log 10 x - log 10 y C. log 5 x - log 5 y D. log 10 x + log 10 y
State whether the system is consistent or inconsistent. If it is consistent, then state whether the graphs' equations are dependent or independent. State the number of solutions.
A. Inconsistent; one solution B. Consistent; independent; one solution C. Consistent; dependent; infinitely many solutions D. Inconsistent; no solutions
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x + 4)2(x - 1)
A. -4, multiplicity 2; 1, multiplicity 1 B. -4, multiplicity 1; 1, multiplicity 2 C. -4, multiplicity 1; 1, multiplicity 1 D. 4, multiplicity 2; 1, multiplicity 1