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Cloud [144]
2 years ago
6

What's the answer to this??

Mathematics
1 answer:
Evgen [1.6K]2 years ago
3 0
The variable "x" equals 7
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Solve the equation: c + 4c = -90
Liono4ka [1.6K]

Answer:

c= -18

Step-by-step explanation:

c+4c= -90

combine like terms

5c= -90

Divide by 5 on both sides

c= -18

6 0
2 years ago
Read 2 more answers
One and one half is equal to how many tenths​
Kazeer [188]

Answer:

15

Step-by-step explanation:

so when we make 1 1/2 into an improper fraction it is 3/2 so what do they have in common, that is 15/10 so its 15

8 0
2 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
2 years ago
Paula bought a ski jacket on sale for $4 less than half its original price. She paid $86 for the jacket. What was the original p
jasenka [17]

Answer:

$180

Step-by-step explanation:

step one 86+4 =90

step two 90×2=180

8 0
3 years ago
Help plz aidjkeksnszhosksoaoaoaozizbzbzjsijssj
mojhsa [17]
The answer is c because the number of tickets (t) times the number of adults is the total cost
6 0
2 years ago
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