Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 + 5x + 9 < 0

A. Solution: ?

B. Solution: [0, ?)

C. Solution: (-?, ?)

D. Solution: (-?, 0)


Answer: A

Mathematics

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Convert 7 g to milligrams.__________ mg

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve.The supply function for a product is given by p = q2 + 3q + 125 and the demand is given by  where p is the price in dollars and q is the number of hundreds of units. Find the price that gives market equilibrium and the equilibrium quantity.

A. $10; 255 units B. $255; 1000 units C. $100; 555 units D. $305; 1200 units

Mathematics

Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.

A.  ? 14.697
B.  ? 3.464
C.  = 108.0
D.  ? 15.297

Mathematics

Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?

A. $300,000 B. $360,000 C. $60,000 D. $218,400

Mathematics