We use the fact that y = kx, where k is the constant of proportionality.
9 = 5k
9/5 = k
Now that we know k, we can find x when y = -1.
-1 = x(9/5)
-1/(9/5) = x
-5/9 = x
Did you follow?
You can use a proportion to get the answer $162.50
$39/6hours = X/25hours (cross multiply)
x=$162.50
C. is your answer. If the graph had a negative rate of change, the numbers would be smaller and might even go into the negatives
All triangles must have angles that add up to the same amount of degrees, so if the two triangles share one exact point, it is assumed that those angles would be the same. Basically just use the fact that the sides are the same and marked by dashes, and the missing line can be proven with the use of the angles that are in between the point that both share.
Answer:
1st option is decreased 2nd is increased
Step-by-step explanation:
Because you add a liquid to dilute a solution, it makes the solution weaker (less concentrated) you also added more liquid which would increase the volume