Step-by-step explanation:
3.4 and -3.4 both have the same absolute value.
It appears that these days would be Tuesday and Friday based on the data you have provided.
Absolute Value
Absolute value is based on the numbers alone, and not the sign in front of them (negative or positive)
When considering absolute value, ignore positive and negative signs. Absolute value is indicated by terms inside of | | straight vertical lines
Example:
|3.4| = 3.4
|-3.4| = 3.4
An=a1+d(n-1)
a1=first term
an=nth term
d=common differnce or how much it increases by each time
n=which one
so
originally 3 trees
a1=3
and after 19 years, 84 trees, so a19=84
a19=84=3+d(19-1)
84=3+d(18)
minus 3 both sides
81=18d
divide both sides by 18
4.5=d
an=3+4.5(n-1) or
an=4.5n-1.5
or
t(n)=3+4.5(n-1) or
t(n)=4.5n-1.5
angle x would end up being equal to 71 degrees.
Ther avdf 102
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