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Alexus [3.1K]
3 years ago
6

X+y=6 x-y=-2 solve by elimination

Mathematics
1 answer:
AnnyKZ [126]3 years ago
4 0

Step-by-step explanation:

x + y = 6

+ x - y = -2

------------------

2x + 0 = 4

x = 2

2 + y = 6

y = 4

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A Y U D E N P O R F A :(
madam [21]

Answer:

x=2

Step-by-step explanation:

Primero, necesitamos calcular <<a>>

Sabemos que AD=BC y AB=CD porque lados opuestos congruentes

Entonces, vamos a calcular <<a>>.

Usamos AD y BC

2a-1=4a-15

suma 15 a ambos lados

2a+14=4

añada 2 en ambos lados

14=2a

divida

7=a

Ahora, usamos esta información para calcular <<x>>

Usamos CD=AB

2a-8=4x-2

pero sabemos que <<a>> es 7

entonces:

14-8=4x-2

6=4x-2

8=4x

2=x

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Find the volume of this cone. <br><br> Round to the nearest tenth. <br><br> 10ft<br><br> 6ft
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Step-by-step explanation:

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