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Eddi Din [679]
3 years ago
8

Is (4, 4) a solution of the graphed system of inequalities?answers are A) Yes B) No​

Mathematics
1 answer:
Softa [21]3 years ago
8 0

Answer: A) Yes

If (4, 4) lies within the double-shaded area that covers the solution set of both inequalities, then it's a solution.

It does, therefore, it's a solution to the system of inequalities.

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What is the area of a triangle with vertices (1,0) (5,0) (3,4)
Aleksandr-060686 [28]

Answer:

The area of the triangle is of 8 units of area.

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:

A = \pm 0.5 \left|\begin{array}{ccc}x_1&y_1&1\\x_2&y_2&1\\1_3&y_3&1\end{array}\right|

In this question:

Vertices (1,0) (5,0) (3,4). So

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

A = \pm 0.5(1*0*1+0*1*3+1*5*4-1*0*3-0*5*1-1*1*4)

A = \pm 0.5*(20-4)

A = \pm 0.5*16 = 8

The area of the triangle is of 8 units of area.

3 0
3 years ago
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4 0
3 years ago
30 POINTS!!!! PLEASE HELP!!! <br><br><br> What is the slope of the line that contains these points?
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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
GUYS HELP ASAP <br> CHECK THE ATTACHED PHOTO
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Answer:

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2 years ago
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Answer:

1 : 45

Step-by-step explanation:

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Hope this helps :)

3 0
3 years ago
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