How many grains of wheat will be on square 12 if there was 1 grain placed on square 1, 2 grains on square 2, 4 grains on square 3, and 8 grains on square 4?

In the question, it is given that 1 grain placed on square 1, 2 grains on square 2, 4 grains on square 3, and 8 grains on square 4 .

The series is

1,2,4,8,16

As we see that in each square , the number of grains placed = 2^{n-1}.

Here n is the square number .

In the question , we need to find the number of grains placed on 12th square . And for that we have to plug n=12 that is

2^{12-1} =2^{11} = 2048

So the number of grains placed on square 12 is 2048 .

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!

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step-by-step explanation: