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8 is 40% of 20.

Step-by-step explanation:

Solving for A

Filling in for A would be the part of 20 in which you are looking for, so you would place 8.

Solving for B

B is 20, for that is the whole product you have and are trying to find a portion of.

Solving for C

By looking at this equation, you can see that 100 is divisible by 20. The answer to that is 5. So therefore, to create an equal equation, you can multiply the entire left fraction by 5 to solve for C. 20x5 = 100, and 8x5 = 40. This means that 8/20 is equivalent to 40/100, therefore 8 is 40% of 20.

so firstly, we need to isolate the y variables to be able to solve these inequalities. firstly, add 0.5x on both sides of the first inequality and subtract 1.5x on both sides of the second inequality:

now since the slope is positive for the first inequality, this means that the line going upwards belongs to the first inequality, and the line going downwards belongs to the second inequality.

next, since y ≥ in the first inequality, this means that the shaded region will be above the first inequality's line, thus shading regions a and b.

next, since y ≤ in the second inequality, this means that the shaded region is going to be below this line, thus shading regions a and c.

since both lines shade region a, this means that region a is the solution.

step-by-step explanation:

mark brainliest!

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation: