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Eva8 [605]
2 years ago
13

What is the simplified form of the expression 0.3 (4x - 4y)?

Mathematics
1 answer:
Agata [3.3K]2 years ago
8 0

Answer:

1.2x-1.2y

Step-by-step explanation:

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Three numbers multiplied together give an answer of -12. The sum of two of the numbers is zero. What could the three numbers be?
Angelina_Jolie [31]
-2,2,3 since 2*-2*4 = 12 and -2+2=0
3 0
2 years ago
PLEASE I WILL GIVE BRAINLIEST!
Darya [45]

Answer:

7 + x + 4y

(7 + x) + 4y

x + (7 + 4y)

Step-by-step explanation:

the sum of elements does not change, no matter the order.

4 0
3 years ago
Determina la masa molar y el volumen que ocupa la siguiente sustancia CO2, si su masa es de 28 gr. *
balandron [24]

Answer:

Para el CO₂ sabemos que:

densidad = 0,001976 g/cm³

Sabemos que:

densidad = masa/volumen

Entonces, si tenemos una masa de 28 g, podemos escribir:

volumen = masa/densidad

volumen = (28g)/(0,001976 g/cm³) = 14,170 cm^3

Para obtener la masa molar (es decir, la masa de un mol de esta sustancia) simplemente sumamos la masa de un mol de cada componente.

Carbono: tiene una masa molar de 12 g/mol

Oxígeno: tiene una masa molar de 16 g/mol (y tenemos dos oxígenos)

entonces la masa molar va a ser:

masa molar = 12g/mol + 2*16g/mol = 44 g/mol

Es decir, un mol de CO₂, pesa 44 gramos.

7 0
3 years ago
A packing operator can assemble 4 cardboard boxes in 5 minutes. At this rate, how many boxes can she assemble in 25 minutes?
lukranit [14]

Answer:

A. 20

Step-by-step explanation:

look at this step:

4 : 5 = X : 25

X = 4×25/5 = 100/5 = 20

5 0
2 years ago
Read 2 more answers
112,811 to the nearest hundred thousand
andrey2020 [161]
112,811 rounded to the nearest hundred thousand is 100,000
5 0
3 years ago
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