Write the statement in symbolic form.The number  is not a rational number.

A.  ? R
B.  ? Q
C.  ? I
D.  ? R


Answer: B

Mathematics

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Provide an appropriate response.When solving a simple interest problem, the rate should be written as a decimal number.

A. True B. False

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. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?

A. $180,000 B. $300,000 C. $270,000 D. $239,400

Mathematics

Provide the proper response.If two nonvertical lines intersect, what do we know about their slopes?

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

Mathematics

Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 3x2 - 2 from x = 1 to x = 5; n = 4; compute R4

A. 154 B. 144 C. 150 D. 140

Mathematics