Please help me 20 points
2 answers:
You might be interested in
An arithmetic sequence is an ordered list of numbers where the next number is found by adding on to the last number (ex: 2,5,8,11... is a sequence where 3 is added on to find the next number).
The equation for an arithmetic sequence is
d is the number you add (common difference) to find the next number
The first number in the sequence is 47 so
<span>d=-2 because the question gives you that
</span>
<span>
</span><span>
</span><span>
</span><span>
</span>
The answer is A. -9.
<u> </u>
<span>The answer is C. 158</span>
For the second one, it gives you
You can use this to find d
</span><span>
</span><span>
</span><span>
</span><span>
</span><span>
</span><span>
</span>
Now you can just solve using the equation normally.
<span>
</span><span>
</span><span>
</span><span>
</span><span>
</span>
The answer is C. 158