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ladessa [460]
3 years ago
7

Identify the percent of change as an increase or a decrease 4/5 to 3/5

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
5 times 20 (5/5) = 100%, 4 times 20 (4/5) = 80%, 3 times 20 (3/5) = 60%, 2 times 20 (2/5) = 40%, 1 times 20 (1/5) = 20%.
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Please help me due at 11:59 show how you got it if you can.
xz_007 [3.2K]
No clue if this is right

5 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
3 years ago
Please answer this quickly ​
PtichkaEL [24]

Answer:

26.85in

Step-by-step explanation

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4 0
2 years ago
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A photograph of sides 35cm by 22cm is mounted onto a
trapecia [35]
<h3>Answer:  580 square cm</h3>

===================================================

Work Shown:

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A = length*width

A = 35*22

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B = length*width

B = 45*30

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C = area of the border only

C = B - A

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7 0
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elena55 [62]

Answer:

Step-by-step explanation:

Here we have to multiply to find the total...

30 volumes, then each individual book with 700 pages, therefore, the answer would be 21,000 pages

7 0
3 years ago
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