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Anarel [89]
3 years ago
6

Solve for x and y simultaneous3x - 5y = 3y-2x = 5​

Mathematics
1 answer:
timurjin [86]3 years ago
7 0

Answer:

the answer is x= -4 and y= -3

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What is 4/5 x 7/12 as a fraction
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Answer:

4/5 x 7/12 = 28/60 as simplified as 7/15 in fraction form. 4/5 x 7/12 = 0.4667 in decimal form.

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4X-8 + 6x +13= 90 ¿cual es le resultado ?
eimsori [14]
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3 years ago
A conference room is in the shape of a rectangle. Its floor has a length of (x − 4) meters and a width of (3x − 1) meters. The e
Naddik [55]

Answer:

3x^2−13x+4

Step-by-step explanation:

(x−4)(3x−1)

=(x+−4)(3x+−1)

=(x)(3x)+(x)(−1)+(−4)(3x)+(−4)(−1)

=3x^2−x−12x+4

=3x^2−13x+4

7 0
3 years ago
Read 2 more answers
11 th grade algebra .
Ksju [112]

Answer:

  C

Step-by-step explanation:

The inverse of a matrix is the transpose of the cofactor matrix, divided by the determinant. The determinant is (4)(3) -(1)(-5) = 17, eliminating choice B.

In a 2×2 matrix, the transpose of the cofactor matrix swaps the diagonal elements, and negates the off-diagonal elements. That is, the transpose of the cofactor matrix will look like the matrix of B. When that is divided by 17, you get the matrix of answer choice C.

7 0
2 years ago
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