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Whitepunk [10]
2 years ago
10

How does the air on a hot day compare with the air on a cold day?

Geography
1 answer:
Elanso [62]2 years ago
6 0
The molecules in hot air are moving faster than the molecules in cold air. Because of this, the molecules in hot air tend to be further apart on average, giving hot air a lower density
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7 0
3 years ago
Find the distance -3,8 and -5,1​
frozen [14]

Answer:

The distance of the points given is/are:

\sqrt{53}

Explanation:

1) First we have to find out what we are given:

(-3,8) and (-5,1)

The points shown would be:

(-3,8)  - > (x_{1},y_{1})\\  and\\(-5,1)->(x_{2},y_{2})

To find the distance between these 2 points, we would have to use the formula:

Distance Formula.

\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}

2) Substitute in the numbers provided:

\sqrt{((-5)-(-3))^{2}+((1)-(8))^{2}

\sqrt{(-5+3)^{2}+(1-8)^{2}

3) PEMDAS (Order of Operations:

\sqrt{(-2)^{2}+(-7)^{2}

4) Then the exponents:

\sqrt{4+49

5) Add them together:

\sqrt{53}

This is your answer!

4 0
3 years ago
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Answer:

B

Explanation:

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