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Kruka [31]
3 years ago
11

If there are 300 fish in a pond and 6 of them get eaten how many is left

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0

Answer:

294

Step-by-step explanation:

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Please answer correctly and to the best of your ability
Pavlova-9 [17]
X      3x+7               y     (x, y)
1      3(1) +7          10      (1,10)
2      3(2) +7          13       (2,13)
3      3(3) +7           16      (3,16)
4      3(4) +7          19       (4,19)
7 0
3 years ago
a previous analysis of paper boxes showed that the standard deviation of the length is 9mm. What is the 98% confidence interval
il63 [147K]
We cannot calculate the confidence interval without the sample size.  However, for the second question, the sample size needed would be 49.

The formula we use is

n=(\frac{z_{\frac{\alpha}{2}}\times \sigma}{E})^2

To find the z-score:
Convert 98% to a decimal:  0.98
Subtract from 1:  1-0.98 = 0.02
Divide by 2:  0.02/2 = 0.01
Subtract from 1:  1-0.01 = 0.99

Using a z-table (http://www.z-table.com) we see that this value is closest to a z-score of 2.33.

Using the z-score, our standard deviation (9) and our margin of error (3), we have:
n=(\frac{2.33(9)}{3})^2=(6.99)^2=48.86\approx 49
6 0
3 years ago
Write a number using the following clues:
Korvikt [17]

Answer:

Theres a lot of numbers you can choose from 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96,

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Two stores sell the same refrigerator for the same original price. Store A advertises that the refrigerator is on sale for 15% o
andrew-mc [135]
I'm not sure about the answer, but this is how I would do it, since 15% and $150 are the same based on the question. do let me know if it's right! :)

3 0
3 years ago
Which three lengths could be the lengths of the sides of a triangle?
Montano1993 [528]
C. 7 cm by 7 cm by 43 cm
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3 years ago
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