Answer:
-2.5
Step-by-step explanation:
Acceleration; v1-v0/t
v1=55
vo=35
t=10
25/10=2.5
 
        
             
        
        
        
Answer:(-3,-8),(-6,4),(1,-1)
Step-by-step explanation:
Given
Vertices of the triangle are 

Coordinates (a,b) when reflected about x-axis is given as (a,-b) i.e. Y coordinate changes its sign

 
        
             
        
        
        
Answer:
XY = 10 cm
Step-by-step explanation:
XY is a midsegment and is half the length of the 3rd side DE, that is
XY =  DE =
 DE =  × 20 = 10 cm
 × 20 = 10 cm
 
        
             
        
        
        
What are you trying to find ?
        
             
        
        
        
1.1=1
2.2=4
3.3=9
4.4=16
5.5=25
6.6=36
7.7=49
8.8=64
9.9=81
10.10=100
11.11=121
12.12=144
13.13=169