Identify the probability statement as empirical or not.The probability that a brand-name computer hard drive will crash during its first year of use is 0.10.

A. Empirical
B. Not empirical


Answer: A

Mathematics

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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 9x + 9y3z2

A. Yes B. No

Mathematics

Rewrite the expression as a sum or difference of logarithms or multiples of logarithms.logn 

A.  logn(6+  logn(x) + 2 logn(z)
B.  logn(6-  logn(x) - 2 logn(z)
C. logn(6+ 5 logn(x) - 6 logn(z)
D.  logn(6+  logn(x) - 2 logn(z)

Mathematics

Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 8% of $124?

A. $8.68 B. $9.92 C. $99.20 D. $11.16

Mathematics

Solve.A ranger in fire tower A spots a fire at a direction of 40°. A ranger in fire tower B, which is 28 miles directly east of tower A, spots the same fire at a direction of 116°. How far from tower A is the fire?

A. 22 miles B. 33 miles C. 26 miles D. 24 miles

Mathematics