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k0ka [10]
3 years ago
13

Help me!! I need help fast.

Mathematics
2 answers:
Elden [556K]3 years ago
7 0

Hot air rises and cold air sinks

Doss [256]3 years ago
4 0

Cold air is heavier and more dense then hot air and therefore sinks. Hot air rises. An interesting reason that hot air rises is <em>because </em>cold air sinks. When the cold air sinks it pushes up the hotter air.

Hope this helped!

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8 0
3 years ago
The value of y varies directly with x. If x=4, then y=10. a. Find the constant of proportionality. b. Write an equation to repre
Lynna [10]

Answer:

aaaa

Step-by-step explanation:

In a short paragraph, describe how you would determine the amount of work needed to pull a toboggan the length of a football field. Be sure to include the equipment list and describe the measurements that you will take.

3 0
3 years ago
If a coin is flipped 10 times, what is the probability that it will show all heads or all tails? A 1/2 B 1/512 C 1/1022 D 1/1024
Ksju [112]

The probability of multiple events happening is calculated by multiplying the probabilities of each event together. This is the case if each event is independent of the other events.

For a fair coin, the probability of tails is 1/ 2 or 0.5, so the probability of all tails in 10 tosess is (1/2)^10 = 1/1024 = 0.0009765625

Correct answer: D

4 0
3 years ago
Read 2 more answers
How tall is the tree?<br> 5ft<br> 35°<br> -20ft-<br> [? ]ft
SVEN [57.7K]

Answer:

  • \boxed{\bf 19ft}

Step-by-step explanation:

\bf tan\:\theta =\cfrac{opp}{adj}

\bf tan(35^o)=\cfrac{x}{20}

\bf 20\;tan (35^o)=x

\bf 14ft=x

<u>The height of the tree:-</u>

  • \bf x+5ft
  • \bf 14ft+5ft
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3 0
2 years ago
Read 2 more answers
Given: g(x) = 3x² + 2 and h(x) = 2x + 2<br> Find: g(h(x))
kompoz [17]

Step-by-step explanation:

g(x) = 3x² + 2

h(x) = 2x + 2

g(h(x)) = g([2x + 2]) = 3[2x+2]² + 2

= 3[4x² + 8x + 4] + 2

= 12x² + 24x + 12 + 2

= 12x²+ 24x + 14

7 0
3 years ago
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