PLEASE HELP And show work if so thank you so much

Mathematics

1 answer:

djverab [1.8K]3 years ago

7 0

You use Sarrus rule, and perform the following multiplications of diagonal items:

diagonals from left to right (using wrap around)

+14*8*5
+-13*-1*-10
+0*3*-2

diagonals from right to left are subtracted

-0*8*-10
--13*3*5
-14*-1*-2

is 560-130+0 - 0+195-28 = 597

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Answer:

11 inches by 11 inches

Step-by-step explanation:

The dimensions of the original photo were 11 inches by 11 inches.

We are informed that the area of the reduced photo is 64 square inches and that In the equation (x – 3)^2 = 64, x represents the side measure of the original photo.

In order to solve for x, we shall first take square roots on both sides of the equation;

The square root of (x – 3)^2 is simply (x - 3).

The square root of 64 is ±8 but we ignore -8 since the dimensions of any figure must be positive.

Therefore, we have the following equation;

x - 3 = 8

x = 8 + 3

x = 11

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