In order to solve the following system of equations by addition, which of the following could you do before adding the equations
2 answers:
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Answer:
Step-by-step explanation:
1 Subtract z from both sides.
2 Divide both sides by y
3 Switch sides.
2nd question
Answer:
Step-by-step explanation:
1 Subtract h from both sides
2 Multiply both sides by j.
3 Divide both sides by k−h.
4 Switch sides.
Answer:
a)
b)
Step-by-step explanation:
From the question we are told that:
3 coin are tossed
Therefore
Sample space
Generally the sets that correspond with the result of at most one tail is therefore given as follows
Therefore
The result is at most one tail when