Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-150°)

A. - 
B.
C.
D.


Answer: A

Mathematics

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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

Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.  = 1

A. Commutative B. Inverse C. Identity D. Associative

Mathematics

Add.-17.8 + 15.7

A. -2.1 B. -33.5 C. 33.5 D. 2.1

Mathematics

For equipment upgrades, a business borrowed $450,000 at an annual rate of 8%, compounded semiannually, for 7 years. What are the semiannual payments? Round your answer to the nearest cent. ?

A. $18,000.00 B. $21,085.71 C. $42,601.04 D. $27,005.84 E. $336,897.48

Mathematics