Use a double-angle identity to evaluate the expression.sin 

A.
B.
C. - 
D. - 


Answer: C

Mathematics

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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Asymptotes y = x, y = - x; one vertex (7, 0)

A.  -   = 1
B.  -   = 1
C.  -   = 1764
D.  -   = 7

Mathematics

What is the place value of the 5 in 123456.0789?

a. ones b. hundredths c. tenths d. thousandths

Mathematics

Solve.Last week, Samantha ran 11 miles. This week, she ran 9 miles. How much more did she run last week?

A. 13 miles
B. 1 miles
C. 20 miles
D. 1 miles

Mathematics

Multiply. Write the answer in simplest form.5 ? 5 ? 

A. 25
B. 10
C. 25
D. 5

Mathematics