The answer is B.
This is because the triangle is an isosceles triangle, meaning that the answer to 4x-8 = x+4
You can rearrange this question to put the x’s on both sides and the integers on both sides so that 4x-x = 4 + 8. This cancels down to 3x = 12. To find x, divide 12 by 3, which is 4.
To check this answer, you can input 4 into both of the equations. (4 x 4) - 8 = 8, and 4 + 4 is also 8. Hence, you know x = 4.
Another, more time-consuming way of doing this question would be to simply input each possible value (A, B, C and D) into both equations until the both equations came out with the same number.
Hope this helped :)
Abyssal plains are large, flat features that cover about one third of the planet.
<h3>What are Abyssal plains?</h3>
- The broad, flat, sediment-covered regions of the deep ocean floor are known as abyssal plains.
- They have a slope of less than one foot of height variation for every thousand feet of travel, making them the flattest, featureless places on Earth.
- When tectonic plates separate, magma rises and forms new crust, filling the space that was left between the plates.
- When sediments from the shoreline pass over the continental shelf, tumble down the continental slope, and deposit on top of the more recent oceanic crust, they create an abyssal plane.
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Explosive eruptions tend to build up composite volcanoes.
A composite volcano evolved over tens of thousands of years as a result of several eruptions. The composite volcano is built up through eruptions, layer by layer, until it reaches heights of thousands of meters. Lava may have formed some layers, while ash, rock, and pyroclastic flows may have formed others. A composite volcano can also accumulate significant amounts of thick magma, which can clog up inside the volcano and force it to erupt violently.
Composite Volcano are fueled by a conduit system that accesses a magma reserve deep within the Earth. This magma can erupt either from a sizable core crater at the volcano's summit or from a number of vents scattered throughout the flanks of the composite volcano.
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1 shale
2 schist
3 conglomerate
4 granite
