find the common difference of the arithmetic sequence. 9, 13, 17, 21, . . . a. nine thirteenths b. 4 c. one and four ninths d. 2
1 answer:
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Answer:
So, the relation between variables are
Step-by-step explanation:
We are given
Since, we have to find relation between variables
so, we can solve for y
Firstly, we will multiply both sides by y
we can simplify it
we can isolate y
so, we can divide both sides by 7
so, we get
Answer:
a 8
Step-by-step explanation:
You are given two sides and the included angle. Since you don't have any side and the opposite angle, you must use the law of cosines.
Answer: a = 8 cm