Answer: There is not a good prediction for the height of the tree when it is 100 years old because the prediction given by the trend line produced by the regression calculator probably is not valid that far in the future.
Step-by-step explanation:
Years since tree was planted (x) - - - - height (y)
2 - - - - 17
3 - - - - 25
5 - - - 42
6 - - - - 47
7 - - - 54
9 - - - 69
Using a regression calculator :
The height of tree can be modeled by the equation : ŷ = 7.36X + 3.08
With y being the predicted variable; 7.36 being the slope and 3.08 as the intercept.
X is the independent variable which is used in calculating the value of y.
Predicted height when years since tree was planted(x) = 100
ŷ = 7.36X + 3.08
ŷ = 7.36(100) + 3.08
y = 736 + 3.08
y = 739.08
Forward prediction of 100 years produced by the trendline would probably give an invalid value because the trendline only models a range of 9 years prediction. However, a linear regression equation isn't the best for making prediction that far in into the future.
Answer:wanted to help but not that smart
Step-by-step explanation:
Answer:
677
Step-by-step explanation:
238 + 439 = 677
It is t possible to round it form the ones (dollar) place.
If you multiply 8.5 by 50 cents your answer will be 4.25
Answer:



Step-by-step explanation:
Given

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Solving (a): 
To solve for
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The relationship between both angles is that they are complementary angles
Make
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Substitute
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Solving (b): 
To solve for
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The relationship between both angles is that they are complementary angles

Solving (c): 
To solve for
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The relationship between both angles is that they are alternate exterior angles.
So:
