Use a calculator to find the function value to four decimal places.cos(1.53)
A. 0.9992
B. 0.0283
C. 0.0408
D. 0.9996
Answer: C
Mathematics
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Simplify the expression, and combine like terms.3n(m + 12n) + 7(6mn + 11n2)
A. 45mn + 77n2 + 36n B. 45mn + 11n2 + 12n C. 16mn + 33n2 D. 45mn + 113n2
Mathematics
Factor.z6 - 64p6
A. (z + 2p)(z - 2p)(z4 + 4z2p2 + 16p4) B. (z + 2p)(z - 2p)(z2 + 2zp + 4p2)(z2 - 2zp + 4p2) C. (z2 - 4p2)(z4 + 4z2p2 + 16p4) D. (z3 + 8p3)(z3 - 8p3)
Mathematics
Graph the function.f(x) = log 5 (-x)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A fossilized leaf contains 25% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 2320 B. 25,959 C. 11,180 D. 34,818
Mathematics