Solve the following system of equations via elimination. 12x – 9y = 30 6x+15y=54
1 answer:
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Answer:
Step-by-step explanation:
Let d be the number of days.
We have been that each day Katie finds 12 more seashells on beach, so after collecting shells for d days Katie will have 12d shells.
We are also told that Katie already has 34 seashells in her collection, so total number of shells in Katie collection after d days will be:
As Katie wants to collect over 100 seashells, so the total number of shells collected in d days will be greater than 100. We can represent this information in an inequality as:
Therefore, the inequality can be used to find the number of days, d, it will take Katie to collect over 100 seashells.
Answer:
Step-by-step explanation:
Given
Required
The period
A sine function is represented as:
Where
By comparing:
and
So, we have:
Hence, the period of the function is