3 years ago

Enter the number that belongs in the green box.

Mathematics

1 answer:

Mrrafil [7]3 years ago

4 0

Answer:

AD = 14

Step-by-step explanation:

Since AB, and BC are equal, then AD should be equal to DC, therefore, AD = 14. This answer is <em>not</em> positive, this is just my best answer.

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7=11t

joja [24]

Steps to solve:

7 = 11t

~Divide 11 to both sides

7/11 = 11t/11

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A) $\left[\begin{array}{cc}0&-1\\1&0\end{array}\right]$

Step-by-step explanation:

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When θ = 90°, the matrix becomes the one in choice A).

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