Answer:
-k+6
Step-by-step explanation:
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![( { - 3y})^{4} = ({ - 3})^{4} \times ( {y})^{4} =](https://tex.z-dn.net/?f=%28%20%20%7B%20-%203y%7D%29%5E%7B4%7D%20%20%3D%20%20%28%7B%20-%203%7D%29%5E%7B4%7D%20%20%5Ctimes%20%28%20%7By%7D%29%5E%7B4%7D%20%20%3D%20)
![81 \times {y}^{4} = 81 {y}^{4}](https://tex.z-dn.net/?f=81%20%5Ctimes%20%20%7By%7D%5E%7B4%7D%20%20%3D%2081%20%7By%7D%5E%7B4%7D%20)
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To find the total cost multiply $12 x 180 square feet
Y = 5
i think that what you meant
so the point will be (0,5) and will be a horizontal line at y=5
hope that helps
Answer:
3000 bags
Step-by-step explanation:
In this case we must apply the formula of the mean, which would be the sum of the values divided by the amount of data is the mean:
m = (a1 + a2 ... an) / n
In this case we know the mean, we must know the 1987 data, therefore:
Let x be the number of bags sold in 1987, replacing in the previous equation:
2100 = (1800 + 1500 + x) / 3
2100 * 3 = 3300 + x
x = 6300 - 3300
x = 3000
Therefore, for the average to be a total of 2100 bags in those 3 years, the amount of bag sold in 1987 must have been 3000 bags