The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r sin ? = 10
A. y = 10x
B. y = 10
C. x = 10y
D. x = 10
Answer: B
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The statement connects two individual propositions with the word or. State whether the entire statement is true or false, and explain why.Cats reads books or dogs bark.
What will be an ideal response?
Use a calculator to evaluate (to three significant digits) the given number.4-
A. 2.31 B. -6.93 C. 0.0906 D. -11.0
Find numbers a and b, or k, so that f is continuous at every point.
A. a = 1, b = 20 B. a = -1, b = 20 C. a = -1, b = -20 D. Impossible
A hypothetical management science problem requires us to find the cheapest "supercircuit" in a graph. Three algorithms are available: Algorithm 1, Algorithm 2, and Algorithm 3.Algorithm 3 never produces a supercircuit that is off by more than 10% from the cheapest supercircuit. The amount of time that it takes to carry out Algorithm 3 is: 1 second for a graph with 5 or less vertices, 30 seconds for a graph with 6 vertices, 
for a graph with 7 vertices, and so on, increasing by 10 seconds every time we add a vertex (from 7 vertices on). Algorithm 3 is
A. an optimal and efficient algorithm. B. an approximate and inefficient algorithm. C. an optimal and inefficient algorithm. D. an approximate and efficient algorithm. E. none of these