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amm1812
3 years ago
9

Are the lines 5x-5y=12 and x-y=-3 perpendicular or parallel

Mathematics
1 answer:
Goshia [24]3 years ago
3 0
Parallel both have slope 1
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Read 2 more answers
The mean weight of the domesticated house cat is 9.2 pounds with a standard deviation of 3.4 pounds. If a cat has a z-score of -
ra1l [238]

Answer:

4.78 pounds

Step-by-step explanation:

We solve the above question using z score formula

z = (x-μ)/σ, where

x is the raw score

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σ is the population standard deviation = 3.4 pounds

z = 1.3

We are to find x

Hence,

-1.3 = x - 9.2/3.4

Cross Multiply

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x = 4.78 pounds.

Therefore the weight of the cat is 4.78 pounds

5 0
3 years ago
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