If you put a picture, Its not showing up. If not, what cant you solve?
<span>3x</span>²<span> + 23x − 8 = 3x</span>² + 24x - x - 8 = 3x(x+8) - (x+8) = (x+8)(3x-1)
Answer:
$0.06 per square inch
Step-by-step explanation:
The question should be:
<em>"If tile costs $8.50 per square foot, how much does it cost per square inch?"</em>
<em />
To solve this, we basically need a conversion from feet to inches. BUT 2 times, since we are talking about "square feet" and "square inches".
We know 1 feet = 12 inches
Also, since we are going from square feet to square inches [big to small], we have to divide TWICE.
Thus, we will have:
![\frac{8.5}{12*12}](https://tex.z-dn.net/?f=%5Cfrac%7B8.5%7D%7B12%2A12%7D)
We are dividing 8.5 (the cost) by 12, 2 times since we want square feet in square inches. The answer is:
![\frac{8.5}{12*12}=0.06](https://tex.z-dn.net/?f=%5Cfrac%7B8.5%7D%7B12%2A12%7D%3D0.06)
So, tile costs $0.06 per square inch
48 inches is 4 feet.
36 inches is 3 feet.
The question is asking for the area in square feet of a rectangle that is 4 feet long by 3 feet wide. That area is the product of these dimensions:
(4 ft)×(3 ft) = 12 ft²
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