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LekaFEV [45]
3 years ago
13

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 18 feet by 18 feet by 4 inches for a patio if

the concrete costs $41.00  per cubic yard?
$4428.00
 
$738.00
 
$164.00
 
$492.00
Mathematics
2 answers:
pochemuha3 years ago
8 0

Answer:

164

Step-by-step explanation:

Viktor [21]3 years ago
6 0
18*12*18*12*4/(36*36*36)*41=$164.00
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Ad libitum [116K]
In order for the triangle to be isosceles, we have to set two lengths of the triangle equal to each other. 

Let's take the lengths 5x-12 and x+20 and set them equal to each other. 

5x - 12 = x + 20 

Combine like terms by moving them over to their respective sides.

Subtract x from both sides of the equation. 

4x - 12 = 20 

Add 12 to both sides of the equation. 

4x = 32 

Divide both sides by 4. 

x = 8 

Check your answer by substituting. 

5x - 12 = x + 20

5(8) - 12 = 8 + 20

40 - 12 = 28 

28 = 28

Solution: x = 8 




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3 years ago
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