I think the ones that would apply to this would be a. b. and c.
Since they are on the same line the slope doesn't change!
Hope I helped :)
Answer:
equation is y = 1.123x -6.443 where y represents the armspan and x represents the height . Now we need to find the height , when armspan = 67.5 inches. SO we need to plug 67.5 for y and solve for x that is
67.5 = 1.123x -6.443
adding 6.443 to both sides
67.5 +6.443 =1.123x
73.943 = 1.123x
Dividing both sides by 1.123
x = 65.84 inches .
So for the given armspan of 67.5 inches, height is 65.84 inches .
Step-by-step explanation:
Answer:

Step-by-step explanation:
<u>Given</u>:

The <u>sigma notation</u> means to find the sum of the given <u>geometric series</u> where the first term is when n = 1 and the last term is when n = ∞.
To find the <u>first term</u> in the series, substitute n = 1 into the expression:

The <u>common ratio</u> of the geometric series can be found by dividing one term by the previous term:

As | r | < 1 the series is <u>convergent.</u>
When a series is convergent, we can find its sum to infinity (the limit of the series).
<u>Sum to infinity formula</u>:

where:
- a is the first term in the series
- r is the common ratio
Substitute the found values of a and r into the formula:

Therefore:

Learn more about Geometric Series here:
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