Answer:
The first one.
Step-by-step explanation:
solving for x:
5/2 = 7.5/x
cross multiply
2 ×7.5 =5x
x= 2×7.5/5
x= 3
solving for y:
values of the small triangle over the bigger triangle-
5/6 =7/y
cross multiply and solve for y
y= 8.4
therefore (x= 3; y= 8.4)
YOU ARE VERY WELCOME!
Answer:
-3,-2,1
Step-by-step explanation:
its what x is when y=0
Answer:
Very interesting observation
~ Maria
Step-by-step explanation:
Answer:
Direct Variation Use y=kx. Means “y varies directly with x.” k is called the constant of variation. “y varies inversely with x.” k is the constant of variation.
A binomial squared is written like
So, we have 
So, we want to complete the square 
We can add and subtract 9 to write
