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Free_Kalibri [48]
3 years ago
7

Evaluate if a = 3, b = 4a² +6²a-b​

Mathematics
1 answer:
____ [38]3 years ago
3 0

Answer:

a^2 + 6^2:

    3^2 + 6^2

    9 + 36 = 45

answer: 45

a-b

    3-4

     -1

answer: -1

Step-by-step explanation:

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Answer:

A

Step-by-step explanation:

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IrinaK [193]

Answer:

The ratio of salmon to total fish caught is 9 over 25.

Step-by-step explanation:

Start with what we know. We have 200 total fish caught and 36% are salmon. The rest is just mumble jumble so don't pay attention to that.

All we have to do is find 36% of 200, and the easiest way to do that is by first knowing that 36% of 100 is 36 so if we double that it will give us 36% of 200.

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8 0
3 years ago
For a sample variance of n = 36 that has a sample variance of 1,296, what is the estimated error for the sample?
lukranit [14]

Answer:

6

Step-by-step explanation:

Given :

Sample size, n = 36

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Standard Error, S. E = standard deviation / √n

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S.E = 36/√36

S.E = 36/6

S.E = 6

Hence, estimated standard error = 6

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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