Given a = 12, b = 11 and c = 8 use the Law of Cosines to solve the triangle for the value of C. Round answer to two decimal places.
A) 60.33°
B) 40.42°
C) 80.44°
D) 63.06°
E) 76.53°
B) 40.42°
Mathematics
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Find the exact value by using a half-angle identity.cos
A.
B. -
C.
D. -
Mathematics
Round the number to the nearest ten, nearest hundred, and nearest thousand.39,662
A.
Ten | 39,660 |
Hundred | 39,700 |
Thousand | 40,000 |
B.
Ten | 39,660 |
Hundred | 39,670 |
Thousand | 39,000 |
C.
Ten | 39,670 |
Hundred | 39,700 |
Thousand | 40,000 |
D.
Ten | 39,670 |
Hundred | 39,600 |
Thousand | 39,000 |
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
A. 8
B. 7
C. 7
D. 7
Mathematics
For the given functions f and g, find the requested composite function.f(x) = x2 - 4, g(x) = x2 - 1;Find (f ? g)(x).
A. x4 + 15 B. x4 - 8x2 + 15 C. x4 - 3 D. x4 - 2x2 - 3
Mathematics