The scatter plot and regression line below show the relationship between how early students turned in an exam (measured by minut
es remaining in the exam) and their exam scores
The fitted line has a y-intercept if 87.
What is the best interpretation of this y-intercept?
The fitted line has a y-intercept if 87.
What is the best interpretation of this y-intercept?
2 answers:
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Answer:
The length of x in the simplest radical form with a rational denominator will be:
Step-by-step explanation:
Given
hypotenuse = 5
angle Ф = 60°
To determine
x = ?
Using the trigonometric ratio
cos Ф = adjacent / hypotenuse
here
Ф = 60°
adjacent of 60° = x
hypotenuse = 5
so substituting Ф = 60°, adjacent = x and hypotenuse = 5 in the equation
cos Ф = adjacent / hypotenuse
so
switch sides
Multiply both sides by 5
Simplify
Therefore, the length of x in the simplest radical form with a rational denominator will be:
Answer : The correct option is, (B) 56.8
Step-by-step explanation :
Right Triangle Altitude Theorem:
The measure of altitude drawn from the vertex of the right angle of a right angled triangle to its hypotenuse is the geometric mean between the measures of the two segments of the hypotenuse.
We are drawing a line from vertex to hypotenuse side.
As per theorem:
Therefore, the length of the altitude to the hypotenuse is 56.8
