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AlekseyPX
3 years ago
6

For what value of x is the rational expression below equal to zero?

Mathematics
1 answer:
krek1111 [17]3 years ago
8 0

Answer:

4

Step-by-step explanation:

It's easy because 4-4=0 and anything divided by zero is zero.

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Simplify 2^3 x 2^18 ​
dybincka [34]

Answer:

2^21

Step-by-step explanation:

3+18=21

4 0
2 years ago
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Quiz 3
Colt1911 [192]
Kevin would be 24 because 4 times 6 equal to 24
3 0
3 years ago
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Al sumar y/o restar números decimales, siempre se debe aplicar la norma de los signos. * 1 punto FALSO VERDADERO
Luden [163]

Answer:

La norma de los signos es para el producto de números reales, y la norma es la siguiente.

(+)*(+) = (+)

(+)*(-) = (-)

(-)*(+) = (-)

(-)*(-) = (+)

Es decir, el producto de dos números de mismo signo es siempre positivo

El producto de dos números de distinto signo es siempre negativo.

Particularmente, para la suma esta norma no funciona (pues no está definida para la suma)

Pero en casos como:

5 - (-4)  

(esto sería: "la diferencia entre cinco y menos cuatro")

notar que podemos reescribir esto como:

5 + (-1)*(-4)

Ahora podemos aplicar la norma de los signos:

5 + 4 = 9

Donde aplicamos la norma de los signos,  

Podemos concluir que, si bien es una regla que aplica al producto, siempre la tenemos que tener en cuenta en cualquier operación que hagamos.

Por lo podemos concluir que la respuesta correcta es verdadero.

7 0
3 years ago
Question 10 of 10
Nuetrik [128]

Answer:

x+9=4x-4

=) x -4x = -4-9

=) -3x = -13

=) x = 13/3

It is not the form of ax 2 +bx +c =0

8 0
3 years ago
Marianne tried to drink a slushy as fast as she could. She drank the slushy at a rate of 4.5 milliliters per second. After 17 se
Lesechka [4]

Answer:

225 milliliters

Step-by-step explanation:

Marianne tried to drink a slushy as fast as she could. She drank the slushy at a rate of 4.5 milliliters per second. After 17 seconds 148 5 milliliters of slushy remains. how much slushy was originally in the cup?

let x = slushy originally in the cup

total slushy consumed in 17 seconds = 17 x 4.5 = 76.5 ml

x - 76.5 = 148.5

collect like terms

x = 148.5 + 76.5

x = 225 ml

4 0
3 years ago
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