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Eddi Din [679]
3 years ago
5

Which expression is equivalent to 3y?

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0

Answer:

Ooy+(+12)-2

Step-by-step explanation:

Cause the dimoneter is the 12 a pelagic

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What are the angle relationship(s) that must be formed around a single intersection
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Answer:

Step-by-step explanation:

Opposite (or in The US, vertical) angles are congruent.

Adjacent ( on the same line) angles are supplementary (that is their sum = 180 degrees).

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2 years ago
Conjectures and Postulates are accepted as true without formally proving they are true.
zlopas [31]
The answer is false, it is only true for postulates, not conjectures.
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3 years ago
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Beatrice spent a total of $54 at
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Answer

C.      .20 or 20%

Explanation

The table is

2 drinks $4.50

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Entree $16.00

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2 years ago
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Drina wrote the system of linear equations below.
zalisa [80]

Answer:

Option c, A square matrix

Step-by-step explanation:

Given system of linear equations are

3x-2y=-2\hfill(1)

7x+3y=26\hfill(2)

-x-11y=46\hfill(3)

Now to find the type of matrix can be formed by using this system

of equations

From the given system of linear equations we can form a matrix

Let A be a matrix

A matrix can be written by

A=co-efficient of x of 1st linear equation    co-efficient of y of 1st linear equation   constant of 1st terms linear equation

co-efficient of x of 2st linear equation   co-efficient of y of 2st linear equation  constant of 2st terms linear equation

co-efficient of x of 3st linear equation   co-efficient of y of 3st linear equation    constant of 3st terms linear equation           3\times 3

which is a 3\times 3 matrix.

Therefore A can be written as

A= \left[\begin{array}{lll}3&-2&-2\\7&3&26\\-1&-11&46\end{array}\right] 3\times 3

Matrix "A" is a 3\times3 matrix so that it has 3 rows and 3 columns

A square matrix has equal rows and equal columns

Since matrix "A" has equal rows and columns Therefore it must be a square matrix

Therefore the given system of linear equation forms a square matrix

7 0
3 years ago
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Solve for the roots in simplest form using the quadratic formula:
Softa [21]

Step-by-step explanation:

4x² - 12x + 17 = 0

i is an imaginary number and it equals √-1, and you usually put it when the number under the root is negative.

So √-5 = √5i and √-4 = 2i

3 0
3 years ago
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