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lozanna [386]
3 years ago
10

What is the result of adding these two equations? - 2x + y = -5 - 2x - 4y = 6

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
6 0

Answer:

-4x-3y=1

Step-by-step explanation:

when adding the wo equations, u must add like ters. -2x+-2x is -4x. and positive y+ -y= -3y and-5+6=1. so if u put it all together after adding all integers you get -4x-3y=1

Gelneren [198K]3 years ago
4 0

Answer: 5y = -11

Step-by-step explanation:

-2x + y = -5

(-2x - 4y = 6) -1

-2x + y = -5

2x + 4y = -6

System by elimination method

0 + 5y = -11

5y = -11

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lo que es 40 x 21 dividido por 8 redondeado al décimo más cercano muestra el trabajo, así que sé que no solo usaste una calculad
Mars2501 [29]

Answer:

21

*40

<u>        </u>

     0

+840

<u>         </u>

840

    105  

8\sqrt{840}        

 -80

   <u>         </u>

       40

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=105

<u>8 goes into 84 ten times, 84-80 =4</u>  

<u>Bring down the zero make 40 which 8 goes into five times</u>

<u></u>

Step-by-step explanation:

cant be round because there no tenths place

<h2>TRANSLATION</h2><h2> </h2><h3>8 entra en 84 diez veces, 84-80 = 4 </h3><h3> </h3><h3>Baje el cero, haga 40, en el que 8 entra cinco veces</h3><h3 /><h3>no puede ser redondo porque no hay décimos, asegúrese de poner los números correctos</h3>
3 0
3 years ago
-(-2) and -/-2/ simplify to different numbers
kow [346]
I suppose the / are absolute value lines.... so ill answer it that way, -(-2) simplifies to 2. -/-2/ simplifies to -2
7 0
3 years ago
Trapezoid p is the image of trapezoid P after a translation. Y 7+ . р на дъл от - 1 -7-6-5-4-3-2-1 -2+ 11 2 3 4 5 6 7 1 PY 1 - -
zavuch27 [327]

Answer:

C. 8 units right and 5 units down

Step-by-step explanation:

since it's only a translation, take one point as an example. lets say the bottom right point on trapezoid P is point A, and the translated point on P' is A'. the coordinates of A are (-3,2) while the coordinates of A' are (5,-3). (-3+x,2+y)=(5,-3). -3+x=5, x=8; 2+y=-3, y=-5

3 0
2 years ago
How do you work this out?
oksian1 [2.3K]
I think this problem is 3
8 0
3 years ago
In triangle JKL, the length of side JK is 12 feet, and the length of side KL is 15 feet. Which of the following could be the len
Andrei [34K]

Answer:

D

Step-by-step explanation:

every 2 sides of a triangle has to be bigger than the 3rd side

8 0
3 years ago
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