Bro you still in school??
Answer:
Step-by-step explanation:
Triangles CEF and CAD are similar right triangles (they have the common angle, so by AA postulate they are similar). Similar triangles have proportional corresponding sides, so
Triangles DEF and DBC are similar right triangles (they have the common angle, so by AA postulate they are similar). Similar triangles have proportional corresponding sides, so
Substitute the fraction 
from the first equality into the second equality:
![\dfrac{EF}{30}=1-\dfrac{EF}{40}\ [\text{Muliply by 120}]\\ \\4EF=120-3EF\\ \\4EF+3EF=120\\ \\7EF=120\\ \\EF=\dfrac{120}{7}=17\dfrac{1}{7}\ ft](https://tex.z-dn.net/?f=%5Cdfrac%7BEF%7D%7B30%7D%3D1-%5Cdfrac%7BEF%7D%7B40%7D%5C%20%5B%5Ctext%7BMuliply%20by%20120%7D%5D%5C%5C%20%5C%5C4EF%3D120-3EF%5C%5C%20%5C%5C4EF%2B3EF%3D120%5C%5C%20%5C%5C7EF%3D120%5C%5C%20%5C%5CEF%3D%5Cdfrac%7B120%7D%7B7%7D%3D17%5Cdfrac%7B1%7D%7B7%7D%5C%20ft)
The answer is x= 14 since the angles are supplementary
You are given a set of data regarding the truck with the <span>distance y, in miles, traveled by a truck in x hours:
Time (x) (hours) 1 2 3 4
Distance (y) (miles) 50 100 150 200
I used excel to plot this data and get an equation and the value of r to anwer the following questions.
Part A: The most likely value of the correlation coefficient of the data in the graph is 1, meaning that the distance travelled by the truck and the time it takes to travel is directly related or directly proportional.
Part B: From the graph, i got an equation y = 50x with a slope of 50.
Part C: The table presented above is a correlation because both variables are directly related and forms a straight line rising to the right.</span>
<span> In one month, Jillian made 36 local phone calls and 20 long distance calls. The ration can be calculated by dividing the amount of calls for each. It is as follows:
36/20 = 9/5
Therefore, the correct answer is option C. Hope this answers the question.</span>
