Answer:
28cm
Step-by-step explanation:
Area of a parallelogram equals the base length, which is y cm, multiplied by the height, which is 18cm.
So
Area= 504cm
y cm (base) x 18 cm (height) = 504cm^2 (area)
y cm = 504cm^2 / 18cm 
y cm = 28cm
 
 
        
                    
             
        
        
        
Answer:
C) 38 units2
Step-by-step explanation:
we know that
The surface area of the composite figure is equal to the area of all its square faces
Each face area is one square unit
so

 
        
             
        
        
        
Answer:
No solution exists for 2x/x+12=1/2
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Therefore, the resulting expression for the price Genevieve will pay 
will be:  
Step-by-step Explanation:
Let the original cost of a laptop = p dollars
- As the laptop on sale for $100 off
- Genevieve also has a 15% off coupon
So, subtract the $100 and 15% off coupon (15% off on original 'p' cost)
The resulting expression for the price Genevieve will pay can be computed as:


 ∵
        ∵ 
 
Therefore, the resulting expression for the price Genevieve will pay 
will be:  
Keywords: price, algebraic expression
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Answer: y-4=-3(x+4) or y=-3x-8
Step-by-step explanation:
To find the equation of the line with a given point and slope, we can fill them into the point-slope formula. The point-slope formula is y-y₁=m(x-x₁).
y-4=-3(x-(-4))            [multiply]
y-4=-3(x+4)
Another equation could be slope-intercept form. It is y=mx+b.
y-4=-3(x+4)              [distribute]
y-4=-3x-12                [add both sides by 4]
y=-3x-8
Now, we know that the equation is y=-3x-8 or y-4=-3(x+4).