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3 years ago

Is the product of x and y rational or irrational?

Mathematics

1 answer:

mote1985 [20]3 years ago

4 0

Answer:

Irrational

Step-by-step explanation:

x = $\sqrt{3}$

y = $\sqrt{6}$

$\sqrt{3} * \sqrt{6} = 4.24264069...$

4.24264069....

It has no recognizable pattern and it goes on forever. Therefore, it is irrational.

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3x-2y=-5 and 4x+2y=-16

podryga [215]

Answer:

x=-22/4

y=-3

Step-by-step explanation:

3x-2y=-5

4x+2y=-16

we <u>add</u> the equation

7y=-21

y=-3

then we find the x by taking a random equation

I take 4x+2y=-16

4x+2(-3)=-16

4x-6=-16

4x=-22

x=-22/4

7 0

3 years ago

Anyone please help me <br><br>solve for x and Y will give brainliest

Vedmedyk [2.9K]

Answer:

x = - 5, y = - 9

Step-by-step explanation:

Given

x + 9i = - 5 - yi

For the 2 sides to be equal then the coefficients of like terms must be equal.

x = - 5 and 9 = - y ⇒ y = - 9

6 0

3 years ago

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Evaluate 8x-6 when x=7

V125BC [204]

Answer:

Step-by-step explanation:

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3 years ago

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Please help!!! thank you :)))

Lunna [17]

Answer:

i dont know this one

Step-by-step explanation:

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3 years ago

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El volumen de un cubo, cuyos lados miden 4,5 cm corresponde a: A- 91 cm2 B- 91,1 cm C- 91 cm3

Leya [2.2K]

Answer:

La respuesta correcta es la opción C: 91 cm³.

Step-by-step explanation:

La fórmula del volumen de un cubo es la siguiente:

$V = a^{3}$

En dónde:

a: es cada lado del cubo = 4,5 cm

Entonces, el volumen del cubo es:

$V = a^{3} = (4,5 cm)^{3} = 91.1 cm^{3} \approx 91 cm^{3}$

Por lo tanto, la respuesta correcta es la opción C: 91 cm³.

Espero que te sea de utilidad!

6 0

3 years ago