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Vinil7 [7]
2 years ago
10

Find the perimeter of the triangular shaped sandwich​

Mathematics
1 answer:
notsponge [240]2 years ago
6 0

Answer:

P = 12 + 5x

Step-by-step explanation:

P = a + b + c

P = 7 + (x + 4) + (4x + 1)

  = 7 + x + 4 + 4x + 1

  = 12 + 5x

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3 years ago
Assume a random variable x is normally distributed with mean = 90 and standard deviation = 5. Find the indicated probability.
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Answer:

16%

Step-by-step explanation:

The indicated probability is actually the area under the standard normal curve to the left of the mean.  I used the function normalcdf( on my TI-83 Plus calculator to find this quantity:

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Note #1:  This quantity (area / probability) is the area to the left of 85.

Note #2:  by the Empirical Rule, 68% of data lies within 1 s. d. of the mean, so the area between the mean (90) and the score (85) is half of 68%, or 34%.  Subtracting this from 50% (the area to the left of the mean), we get 16%, which is roughly equivalent to the 0.1587 we got earlier.  


7 0
3 years ago
A cube has the dimensions 5/8 inches, 5/8 inches, 5/8 inches. what is the volume of the cube? how many smaller cubes with an edg
REY [17]
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Answer:

hope it's helpful

┐( ∵ )┌

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