I am pretty sure it the first box, the scatter plot shows a linear association, because linear means a line and association means a group of people. I am sure this is right but if not, I am sorry
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Hope I helped! I don't think I completely understood the question though! :)
For this you can look at Sin Cos and Tan
A useful tip is S O/H C A/H T O/A
In this angle you have an opposite and an adjacent side to angle h.
So you’ll use Tan
You get
tan(x)= (2)/2root3
then you need to isolate the x value through the inverse of tan.
x= tan-1((2)/2root3)
x= 30
In a easier way you could’ve identified this as a 30,60,90 triangle from the side lengths.
Answer:
Step-by-step explanation:
Factorize the numerator and denominator, then simplify:
10/45 = (2×5)/(9×5) = 2/9
Now,
1/9 = 1/10 + 1/90
1/90 = 1/10 × 1/9 = 1/10 × (1/10 + 1/90) = 1/100 + 1/900
1/900 = 1/100 × 1/9 = 1/100 × (1/10 + 1/90) = 1/1000 + 1/9000
and so on, which is to say
1/9 = 1/10 + 1/100 + 1/1000 + …
or
1/9 = 0.111…
so that multiplying both sides by 2 gives
2/9 = 0.222…