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Lemur [1.5K]
3 years ago
14

some cows were in the field. 6 more cows walked there. Then there were 13 cows. How many cows were in the field before?

Mathematics
2 answers:
bulgar [2K]3 years ago
6 0

Answer:

7 cows

Step-by-step explanation:

alisha [4.7K]3 years ago
5 0
There were 7 cows before. All you have to do is subtract 13 from 6, which gives you 7. Do you need anymore help??
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Please answer as soon as possible
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Answer:

  • 30 cubic units³

Step-by-step explanation:

<u>Given equation:</u>

  • 3 * 2 * 5

<u>Solve for cubic units³</u>

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There are 30 cubic inches³.

<u>Word form:</u>

  • Three times Two Times Five
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There are Thirty cubic inches³.

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Solve the equation | x - 2 | = 5x + 6
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Answer:

-2/3

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Step-by-step explanation:

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Veterinary researchers at a major university veterinary hospital calculated a 99% confidence interval for the average age of hor
mestny [16]

Answer:

c. we are 99% confident that the true mean age of horses with laminitis is between 6.3 and 7.4 years old.

Step-by-step explanation:

Given that veterinary researchers at a major university veterinary hospital calculated a 99% confidence interval for the average age of horses admitted for laminitis, a foot disease that leaves the horse severely lame, as 6.3 to 7.4 years.

i.e. if X is the age of horses admitted for laminitis then the sample mean i.e. x bar follows a distribution with 99% confidence interval as

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So the correct option is

c. we are 99% confident that the true mean age of horses with laminitis is between 6.3 and 7.4 years old.

8 0
3 years ago
A migraine sufferer took Two 400mg doses of naproxen. The half-life for
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Answer:

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Then at t = 20:

y(20) = 400 (0.5)^{20 /4} = \text{12.5 mg}

Step-by-step explanation:

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Hello,

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