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provide the reasons for the following proof. given: line segment wx = line segment yx. prove: segment wz = segment zy.

statements:

1. wx=yx

2. xz=xz

3. triangle wxz = triangle yxz

4. wz=zy

reasons:

1. given

2. reflexive property of congruence

3. ?

4. ?

what are the missing reasons?

Find the solution of system of equation y= x-4 y=4x+2

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

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