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cricket20 [7]
3 years ago
10

Please Help me

Mathematics
2 answers:
RideAnS [48]3 years ago
8 0
D.27 hope this helped
inessss [21]3 years ago
7 0
The answer is 27 because the are nine options which can be recombined in 3 independent ways. Therefore, 9*3=27
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Which expression is equivalent to the following complex fraction?
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The correct choice is option B. y+1/y-1

Step-by-step explanation:

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dimulka [17.4K]

Answer:

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Step-by-step explanation:

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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

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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:

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7 0
3 years ago
Please help me solve this
Andreas93 [3]

Answer:

  $0.75 per lemon

Step-by-step explanation:

Express the ratio on the left as a decimal:

  $3/(4 lemons) = $?/lemon

  0.75 $/lemon = ? $/lemon

  0.75 = ?

The unit rate is $0.75 per lemon.

7 0
2 years ago
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