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2 years ago

Frozen water is less dense than liquid water, allowing lake organisms to survive winter. true false

1 answer:

7 0

False, frozen water is denser than liquid water and does not allow lake organisms to survive water.

<h3>Density of Frozen water and Liquid water</h3>

By definition, density is the mass per unit volume of a substance, a property which is characteristic to each substance.

By convention, solid state of a substance are said to be denser than liquid state of the same substance. Hence, it follows that frozen water is denser than liquid water and does not allow lake organisms to survive.

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kondor19780726 [428]

Answer:

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3 years ago

Let A and B be events with P(A) = 0.61 and P(A ∩ B) = 0.39. For what value of P(B) will A and B be independent?

timofeeve [1]

Answer:

$P(B) = 0.64$

Explanation:

Given

$P(A) = 0.61$

$P(A\ n\ B) = 0.39$

Required

Determine P(B)

If A and B are independent, then:

$P(A\ n\ B) = P(A) * P(B)$

Substitute values for P(A) and P(A n B)

$0.39 = 0.61 * P(B)$

Make P(B) the subject

$P(B) = \frac{0.39}{0.61}$

<em /> $P(B) = 0.64$ <em> --- approximated</em>

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3 years ago

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2 years ago

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vitfil [10]

Explanation:

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3 years ago

Which of the following is an example of a short-term goal?

Ghella [55]

Assuming your retirement is more than 2 years away, and that your car purchase is not before the end of the year, the shortest-term goal of those listed is ...

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3 years ago