Find the area of a sector of a circle having radius r and central angle ?. If necessary, express the answer to the nearest tenth.r = 7.4 mi, ? = 314°
A. 20.3 mi2
B. 300.1 mi2
C. 150.1 mi2
D. 55.6 mi2
Answer: C
Mathematics
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Evaluate the integral.
A. 7776 B. 216 C. 36 D. 1296
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Find the base. Round to the nearest hundredth unless otherwise indicated.23 nurses is 6% of what number of nurses?
A. 3833.3 B. 383.33 C. 38.33 D. 138
Mathematics
Use a truth table to decide if the statements are equivalent.~q ? p; ~q ? p
A. Not equivalent B. Equivalent
Mathematics
Perform the indicated operations and write the resulting polynomial in descending order of degree.-(r4 - 5r2 + 5r + 3) - (3r4 - 6r3 - 8r - 2) + (-r4 + 2r3 + 6r2 + 3r - 2)
A. -5r4 + 8r3 + 11r2 + 6r - 3 B. -5r4 + 8r3 - 11r2 + 6r + 3 C. -5r4 + 8r3 + 11r2 + 16r - 3 D. -5r4 - 8r3 + 11r2 + 6r - 7
Mathematics