What is the approximate value of x? Round to the nearest tenth.
50°
6 cm
3.1 cm
3.9 cm
4.6 cm
5.4 cm
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Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Average acceleration: i have no idea how to do this.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?