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s344n2d4d5 [400]
2 years ago
12

According to Chemical Engineering, an important property of fiber is its water absorbency. The average percent absorbency of 25

randomly selected pieces of cotton fiber was found to be 20 with a standard deviation of 1.5. A random sample of 25 pieces of acetate yielded an average percent of 12 with a standard deviation of 1.25. Is there strong evidence that the populationJ.mean percent absorbency is significantly higher for cotton fiber than for acetate
Mathematics
1 answer:
marusya05 [52]2 years ago
3 0

Answer:

Step-by-step explanation:

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(3x - 2)³= <br>gives the solution pls.​
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Answer:

27x^3 - 54x^2 + 36x - 8

Step-by-step explanation:

(3x - 2)^3

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2 years ago
A Pyramid is placed inside a prism as shown in the pyramid has the same base area B as a prison but half the height H of the pri
guajiro [1.7K]

Answer:

D) V= 1/6 bh

Step-by-step explanation:

The expression that provides the volume of the pyramid is as follows;

As mentioned in the question

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And, the Height of the pyramid = h ÷ 2

Now as we know that  

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2 years ago
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