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barxatty [35]
2 years ago
6

40 points!

Mathematics
2 answers:
Georgia [21]2 years ago
8 0

Hello...

What creates the convection current inside Earth?

A. Rising and sinking of material

Dennis_Churaev [7]2 years ago
7 0

Answer: <u>A. Rising and sinking of material.</u>


Step-by-step explanation:

Convection currents are caused by the cooling of material as it rises up, which leads to the same material to sink. This material then warms as it sinks to rise again. This is why we call them convection <em>currents.</em> Because they both rise, and sink, in a circular motion we call the <u>convection current.</u>

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25-3x-2-4x+5 has how many coefficients and how many expressions
adoni [48]

Answer:

This expression has 2 coefficients, (-3 and -4), because any number with a variable is a coefficient. That means 25, -2, and 5 are all constants, because they don't have variables.

Variables are the x's in this case.

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2 years ago
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sesenic [268]
Answer: The ladder is 5.3 m long
Step by step solution
1. Draw out the scenario, ie a right triangle where the hypotenuse is the ladder, the wall is 4.5m and the angle the ladder and the ground makes 58 degree.

2. Soh, Cah, Toa
The wall is opposite, the ground is adjacent, and the ladder is hypotenuse
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3 years ago
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Sphinxa [80]

Answer:

the second one I can't give a explanation cause my wrist is broken so it's harder to type hope this helps

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Fynjy0 [20]

Answer:

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garri49 [273]

Answer:

3. 91.125

4. 30.375

Step-by-step explanation:

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