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Tatiana [17]
3 years ago
6

What does x equal in the equation x-12+5x=24

Mathematics
2 answers:
MariettaO [177]3 years ago
7 0

Answer: x=2.4  or x=\frac{12}{5} mark as brainliest please!

Step-by-step explanation:

12+5x=24\\-12   -12\\5x=12\\x=\frac{12}{5} \\x=2.4

Bess [88]3 years ago
6 0

Answer:

2

Step-by-step explanation:

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pshichka [43]

1) 6/14  divide by 2 =        3/7

2) 9/12 divide by 3 =         3/4

3) 15/25 divide by 5 =        3/5

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What is synthetic division?
Cerrena [4.2K]

Answer:

A simplified method for dividing a polynomial by another polynomial of the first degree is synthetic division.

6 0
2 years ago
Which systems of equations intersect at point A in this graph?
abruzzese [7]

Answer:

The point of intersection of the system of equations is:

(x, y) =  (-2, 1)

The correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

Step-by-step explanation:

Given the point

  • A (-2, 1)

Let us check the system of equations to determine whether it intersect at point A in this graph.

Given the system of equations

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Arrange equation variable for elimination

\begin{bmatrix}y-4x=9\\ y+3x=-5\end{bmatrix}

so

y+3x=-5

-

\underline{y-4x=9}

7x=-14

so the system of equations becomes

\begin{bmatrix}y-4x=9\\ 7x=-14\end{bmatrix}

Solve 7x = -14 for x

7x=-14

Divide both sides by 7

\frac{7x}{7}=\frac{-14}{7}

Simplify

x = -2

For y - 4x = 9 plug in x = 2

y-4\left(-2\right)=9

y+4\cdot \:2=9

y+8=9

Subtract 8 from both sides

y+8-8=9-8

Simplify

y = 1

Thus, the solution to the system of equations is:

(x, y) = (-2, 1)

From the attached graph, it is also clear that the system of equations intersects at point x = -2, and y = 1.

In other words, the point of intersection of the system of equations is:

(x, y) =  (-2, 1)

Therefore, the correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

3 0
3 years ago
The graph of the step function g(x) = –⌊x⌋ + 3 is shown.
Blababa [14]

Using it's concept, the domain of the function is given as follows:

{x| –2 ≤ x <= 5}

<h3>What is the domain of a function?</h3>

The domain of a function is the set that contains all possible input values for the function, that is, the values for which the function is defined.

The function described in this problem is defined from x = -2 until x = 5 hence the domain of the function is given as follows, by the interval:

{x| –2 ≤ x <= 5}

More can be learned about the domain of a function at brainly.com/question/10891721

#SPJ1

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What’s z over 5 to the 2 power
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Just square the top and bottom. z^2 over 25
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