Answer:
±6
Step-by-step explanation:
Given the mathematical expression;
√36 < √42 < √49
But, √36 = 6 * 6 = 6²
√49 = 7 * 7 = 7²
Simplifying further, we would substitute the new values respectively;
±[6] < √42 < ±[7]
Therefore, evaluating √36 is equal to ±6.
 
        
             
        
        
        
Answer:
Find the unit rate of each printing machine and compare.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
804 feet
Step-by-step explanation:
Given: Dimension of a basketball court is 84 feet by 50 feet.
Considering the shape of basketball court is in rectangle shape.
∴ Finding the perimeter of rectangle to know total number of feet in one round.
Perimeter of rectangle= 
where, l= length
            w= width
∴ Perimeter of rectangular court= 
⇒ Perimeter of rectangular court= 
Opening parenthesis
⇒ Perimeter of rectangular court= 
Hence, Brett run 268 feet in one round of warm up.
As given, Brett ran around the court 3 times.
∴ Total number of feet= 
Hence, Brett jog for 804 feet.
 
        
             
        
        
        
Answer:
   x = 45
Step-by-step explanation:
   0.4 + x(10%) = 4.9 . . . . . . given
   x(10%) = 4.5 . . . . . . . . . subtract 0.4
   x = 45 . . . . . . . . . . . . multiply by 10
_____
10 × 10% = 100% = 1
 
        
             
        
        
        
Answer:
2
Step-by-step explanation:
0 - 10 = -10
-10 + 12 = 2 
John has 2 points