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nata0808 [166]
3 years ago
12

I need help please it due in 5 minutes

Mathematics
2 answers:
Ad libitum [116K]3 years ago
3 0

Answer:

it's the first one hope this helps

ra1l [238]3 years ago
3 0

Answer:

3\pi > 9

Step-by-step explanation:

For this problem we have to estimate 3\pi. pi (\pi) is 3.14. so...  3 · 3.14 is greater than 9 because 3 · 3 = 9.

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Answer:

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Step-by-step explanation:

Answer:

The area of the triangle is of 21 units of area.

Step-by-step explanation:

The area of a triangle with three vertices (x_1,y_1),(x_2,y_2),(x_3,y_3) is given by the determinant of the following matrix:

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In this question:

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A = \pm 0.5 \left|\begin{array}{ccc}1&0&1\\5&0&1\\3&4&1\end{array}\right|

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