Answer:
x =1
Step-by-step explanation:
Assuming the figures are similar, we can use ratios to solve
x        2
---- = -----
4         8
Using cross products
8x = 2*4
8x = 8
Divide by 8
8x/8 = 8/8
x=1
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Your question is not complete. 
According to what do we validate with the equation.
add more info in the question because all of them can be true without any condition given or validation.
 
        
             
        
        
        
Answer:
Answer:
true
Step-by-step explanation:
4/7 = 8/9
= 4*9/7*8
= 36/56
= 2*2*3*3/2*2*2*7
= 9/14
proved
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<h3>102. 66 feet / Second</h3>
Step-by-step explanation:
To do conversion change miles into feet and hour into second.
One foot is 5280 feet
And an hour is 3600sec
70 miles / Hour
70 * 5280feet / 3600 second
369600 feet / 3600seconds
Then simplify
102. 66 feet / Second
 
        
                    
             
        
        
        
1.07 as a percent is 107% 1.07 as a fraction is 1 1/14
Hope this helps!