The electricity bill of sarah's house for the last month was $60, while for this month it is $120. if p is the percent increase
1 answer:
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Answer:
1)
2)
3)
Step-by-step explanation:
Using Pythagorean theorem ,
Hypotenuse =
We know that
Where is an angle of tge triangle.
In the triangle given above , . So,
1)
2)
3)