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OLEGan [10]
2 years ago
15

Explain why this matrix equation has no solution: A + 11 17 −8 13 = 0 0 0 0

Mathematics
2 answers:
Gnoma [55]2 years ago
8 0

If you mean

A+\left[\begin{array}{cccc}11&17&-8&13\end{array}\right]=\left[\begin{array}{cccc}0&0&0&0\end{array}\right]

there is a solution and it is the opposite of the matrix constant on the left.

A=\left[\begin{array}{cccc}-11&-17&8&-13\end{array}\right]

Adding anything with its opposite gives zero.

yulyashka [42]2 years ago
5 0

Answer:

Sample Response – The two matrices are different sizes. It is not possible to add matrices with different sizes.


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garri49 [273]
Given:
square with sides measuring 7 cm.
3 triangles attached to three sides of the square. A line bisecting one triangle is measured at 4 cm.

Area of a square = s² = (7cm)² = 49 cm²

Area of a triangle = hb/2 = (4cm*7cm)/2 = 14 cm² 
Area of the 3 triangles = 14 cm² x 3 = 42 cm²

Total area of the logo = 49 cm² + 42 cm² = 91 cm²
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2 years ago
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Henri has $24,000 invested in stocks and bonds. The amount in stocks is $6,000 more than three times the amount in bonds. Call t
makvit [3.9K]

Answer:

The solve of that problem is that Hernry invested $18.000 in stocks and $6.000 in bonds.

Step-by-step explanation:

First, to explain you have to do a multiplication about 6 on three. Like three times more than bonds, the result is 18. Then you have to do a  subtraction on $24.000 less $18.000, and the result is $6.000, so six is the amount on bonds. And is three times less than stocks, like the questions ask.

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Which number produces a rational number when multiplied by 0.5
ivanzaharov [21]
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Which statement is true about the polynomial 3x2y2 − 5xy2 − 3x2y2 + 2x2 after it has been fully simplified
Len [333]
The polynomial <span>3x2y2 − 5xy2 − 3x2y2 + 2x2 can be simplified by combining like terms.

The result is:
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4 0
2 years ago
The vertex of a parabola is (-2, -20), and its y-intercept is (0, -12).
iogann1982 [59]

Answer:

y=2x^2+8x-12

Step-by-step explanation:

To write the quadratic equation, begin by writing it in vertex form  

y = a(x-h)^2+k

Where (h,k) is the vertex of the parabola.

Here the vertex is (-2,-20). Substitute and write:

y=a(x--2)^2+-20\\y=a(x+2)^2-20

To find a, substitute one point (x,y) from the parabola into the equation and solve for a. Plug in (0,-12) the y-intercept of the parabola.

-12=a((0)+2)^2-20\\-12=a(2)^2-20\\-12=4a-20\\8=4a\\2=a

The vertex form of the equation is y=2(x+2)^2-20.

You can convert this into standard form by using the distributive property.

y=2(x+2)^2-20\\y=2(x^2+4x+4)-20\\y=2x^2+8x+8-20\\y=2x^2+8x-12



4 0
2 years ago
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