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3 years ago

Please help me on this because I'm not sure if it's a decimal or not

Mathematics

1 answer:

anzhelika [568]3 years ago

3 0

THERE IS NO PICTURE TO ANSWER THIS

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Solve the system of equations by graphing. x+y=-9 4x+y=-19

shutvik [7]

For this case we have the following system of equations:

$x + y = -9\\4x + y = -19$

We multiply the first equation by -4:

$-4x-4y = 36$

We have the following equivalent system of equations:

$-4x-4y = 36\\4x + y = -19$

We add the equations:

$-4x + 4x-4y + y = 36-19\\-3y = 17\\y = - \frac {17} {3}$

We find the value of the variable "x":

$x = -9-yx = -9 - (- \frac {17} {3})\\x = -9 + \frac {17} {3}\\x = \frac {-27 + 17} {3}\\x = - \frac {10} {3}$

Thus, the solution of the system is:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

ANswer:

$(x, y): (- \frac {10} {3}, - \frac {17} {3})$

See the graphic in the attached image

4 0

4 years ago

Which expression is equivalent to 3m+1-m? 2+m-1+m 1+m 3m-1 3m

kirill115 [55]

Answer:

2+m-1+m

Step-by-step explanation:

By combining like terms, the given expression and the above answer both simplify to ...

2m+1

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The other available choices do not.

6 0

3 years ago

Factor.

tekilochka [14]

Answer:

Answer is C

Step-by-step explanation:

(x + 6)(x + 2)

5 0

3 years ago

Which expression is equivalent to the given expression?

Whitepunk [10]

Answer:

4ln x +ln 3-lnx

4ln x -ln x+ln3

3ln x+ln 3

ln(3x+3)is equivalent.

7 0

3 years ago

What is 19/5 as a mixed number?

Dvinal [7]

Answer:

3 4/5

Step-by-step explanation:

divide 19 by 5 which gets you that as a decimal

3 0

3 years ago

Read 2 more answers