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Gre4nikov [31]
2 years ago
15

Need help with math probelm give 5 star and brain thingy point

Mathematics
1 answer:
rewona [7]2 years ago
5 0

Answer:

36 square units

Step-by-step explanation:

x = 6 (width)

y = 3 (base - b)

h = 4 (length and height - l and h)

  • Area of a rectangle: l*w
  • Area of a triangle: 1/2*b*h

For the triangles:

Area of a triangle: 1/2*b*h

A = 1/2 * 3 * 4

A = 1/2 * 12

A = 6

*Since there are two triangles, it would be 6 * 2 = 12

For the rectangle:

Area of a rectangle: l*w

A = 4 * 6

A = 24

Now, we add them together:

A = 12 + 24

A = 36 square units

Therefore, the area of the rhombus is 36 square units

Hope this helps!

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choli [55]

Answer:

The set of solutions is \{\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}12\\-7-r\\r\end{array}\right]: \text{r is a real number}  \}

Step-by-step explanation:

The augmented matrix of the system is \left[\begin{array}{ccccc}3&6&6&-9\\-2&-3&-3&3\end{array}\right].

We will use rows operations for find the echelon form of the matrix.

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Now we solve for the unknown variables:

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The system has a free variable, the the system has infinite solutions and the set of solutions is \{\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{c}12\\-7-r\\r\end{array}\right]: \text{r is a real number}  \}

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