Answer:
13
Step-by-step explanation:
ABC ~ DEF means that ABC and DEF are the same triangle either expanded or contracted. 
In this case the scale factor is 1/2. That means DEF is half ABC.
Since AB = 26 then DE must be 26/2 = 13
 
        
             
        
        
        
Answer:
y = 5;  x = 1/5
Step-by-step explanation:
xy = 1    ----->  x = 1/y
xy^2 = 5 -----> 1/y * y^2 = 5
y^2 / y = 5
y = 5
5x = 1
x = 1/5 
Hope this Helps!
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The vertex form of a quadratic equation <em>y = ax² + bx + c:</em>
<em>y = a(x - h)² + k</em>
(h, k) - coordinates of a vertex
We have the equation <em>y = x² - 6x + 6</em>.
Convert to the vertex form:

 
        
             
        
        
        
Answer: sometimes
explanation:
if there are two points then there could be a line to connect them, however, there could always be two points that are separate on their own.
 
        
                    
             
        
        
        
Answer:
Katie
Step-by-step explanation:
Use seconds as the standard unit to compare the speeds of the 4 runners
Tony is already in standard form and runs 12 ft/s
Katie:
450/30
15 ft/s
Frank:
1 mile = 5280 feet
5280/577
9.15 ft/s
Adam:
I minute = 60 seconds
880/60
14.67 ft/s