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3 years ago

11

Reflect across the y=x. Fill in the new coordinates below:

1 answer:

Y_Kistochka [10]3 years ago

3 0

Answer:

K' = (8,-4) L' = (4,-7) M' = (1,-2)

Step-by-step explanation:

Simply take the x coordinates and the y coordinates and flip them.

For example, if you have A (2, 4) reflected across y=x, A' would be (4,2).

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3 years ago

Please help!! I don’t know how to solve this. Which one is the digit of the units in 3^81:

egoroff_w [7]

<u>Solution:</u>

3⁸¹ = 3⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹ ⁺ ⁹
3⁸¹ = 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹ x 3⁹
3⁹ = 19683 <u>[Using Calculator]</u>

This means that the Unit digit of 19683 is 3. For each number, multiply the unit's digit of 3⁹.

3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3
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Option A is correct.

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2 years ago