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o-na [289]
3 years ago
14

Multiply the conjugates.

Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0

Answer;

equal;  x^{2} - 4y^{2}

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Is the decimal for 4/3 a repeating decimal?explain
sdas [7]

Answer:

yes

Step-by-step explanation:

4 divided by 3 is 1.33333 repeating

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3 years ago
Is the height of these students a function of their wrist circumference
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c

Step-by-step explanation:

7 0
4 years ago
1. La suma de dos números es 115. El número mayor es dos veces más 22 unidades que el otro. Hallar
Lerok [7]

De acuerdo con un sistema de ecuaciones, tiene-se que los números son 31 y 84.

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

  • En el sistema de ecuaciones, tiene-se que los números son x e y.
  • Suma de 115, o sea, x + y = 115
  • <u>El número mayor es dos veces más 22 unidades que el otro</u>, o sea, x = 2y + 22

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

Primero se encuenta el número menor, <u>reemplazando la segunda ecuación en la primera:</u>

x + y = 115

2y + 22 + y = 115

3y = 93

y = \frac{93}{3}

y = 31

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

El número mayor es dado en <u>función de el menor</u>, o sea:

x = 2y + 22 = 2(31) + 22 = 62 + 22 = 84

Los números son 31 y 84.

Otro problema resuelto por sistema de ecuaciones es dado en brainly.com/question/24637096

6 0
3 years ago
· Expand and simplify (x - 2)(x + 7)
lisov135 [29]

Answer:

Expand:

x^2+7x-2x-14

Answer:

x^2+5x-14

Step-by-step explanation:

3 0
3 years ago
Pleaseeeeee Please help!!!
Ilia_Sergeevich [38]
The equation is
5x - 13 = 3x + 21
when solved, we get
x = 17
4 0
3 years ago
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