Find the exact value of the trigonometric expression without the use of a calculator.sin 15°

A. - 
B.
C. - 
D.


Answer: D

Mathematics

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Write the word phrase as an algebraic expression. Use x to represent the unknown number.The difference of a number and 24

A. x - 24 B. 24 - x C. 24x D. 24

Mathematics

Subtract.933

A. 868 B. 998 C. 862 D. 768

Mathematics

Solve the formula for the specified variable.P = s1 + s2 + s3  for s3

A. s3 = P - s1 - s2 B. s3 = P + s1 + s2 C. s3 = s1 + P - s2 D. s3 = s1 + s2 - P 

Mathematics

Solve the problem.Find out how long it takes a $2800 investment to double if it is invested at  compounded semiannually. Round to the nearest tenth of a year. Use the formula .

A. 7.9 years B. 8.3 years C. 8.1 years D. 7.7 years

Mathematics