solving a linear equation we conclude that the value of x must be 6.
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How to find the value of x?</h3>
On the statement we have the relations:
AB = BC
BC = CD
For the transitive property, then we have that:
AB = CD
Replacing the equations in the image, we get:
2x + 1 = 4x - 11
Solving this linear equation for x we get:
1 + 11 = 4x - 2x
12 = 2x
12/2 = x
6 = x
So yes, solving that linear equation we conclude that the value of x must be 6.
Learn more about linear equations:
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Answer:
a. The amplitude should be 2.
    The period should be 2\pi.
b. maximum value occurs in (0,1) at x = 0
     minimum value occurs in (pi,-1) at x = pi
 
Step-by-step explanation:
 
        
             
        
        
        
Hey You! 
The two are related because they both use the same three numbers. For example: 
6 × 3 = 18 3 × 6 = 18
Or, 
18 ÷ 3 = 6 18 ÷ 6 = 3
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
the formula for density is: 

where d is density, m is mass, and V is volume. 
solving for m in the last equation:

so if we find the volume and multiply it by the density  we will get the mass of the object.
  we will get the mass of the object. 
The volume of a rectangular prism is given by: 

where  is length,
 is length,  is width and
 is width and  is height:
 is height:

we substitute to find the volume: 

since the density has units of  we need the volume also in units of
 we need the volume also in units of  , so we make the conversion using:
 , so we make the conversion using:

multiplying by 30:

and now we find the mass with the equation:

substituting d and V:

the nearest gram is: 
 
        
             
        
        
        
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