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Eduardwww [97]
3 years ago
10

In a lab experiment, 5300 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to do

uble every 10 hours. How many bacteria would there be after 12 hours, to the nearest whole number?
Mathematics
2 answers:
Olegator [25]3 years ago
8 0

Answer:

6867+8879=56476.7978

Step-by-step explanation:

Flauer [41]3 years ago
8 0

Answer:

22.7

Step-by-step explanation:

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Kobotan [32]

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Step-by-step explanation:

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3 0
3 years ago
Solve for x by completing square x^2-18x=65
Nastasia [14]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
La densidad de un líquido es de 1.5 gr/cm3 su masa es de 7 libras Determina la cantidad de litros que ocupan dichos líquidos
egoroff_w [7]

Answer:

<em>La cantidad de litros que ocupa dicho líquido es:</em>

  • <u>2,12 Litros</u>

Step-by-step explanation:

<em>El volumen de un líquido puede obtenerse al tener tanto su densidad como su masa usando la siguiente fórmula:</em>

  • <em>Densidad = masa / volumen</em>

<em>Al despejar volumen se obtiene:</em>

  • <em>Volumen = masa / densidad </em>

<em>Por lo cual, si se reemplazara la fórmula quedaría:</em>

  • <em>Volumen = 7 Lb / 1.5 gr/cm^3</em>

<em>Sin embargo, </em><u><em>para operar, las unidades en las que se expresa la masa deben coincidir con las unidades de la densidad</em></u><em>, por lo cual vamos a convertir las libras en gramos teniendo en cuenta el siguiente factor de conversión:</em>

<em>1 libra = 453,592 gramos</em>

<em>Entonces:</em>

<em>7 lb =  453,592 gr * 7 = 3175,144 gr</em>

<em>Ahora este valor reemplaza la masa en la fórmula y calculamos:</em>

  • <em>Volumen del líquido =  3175,144 gr / 1.5 gr/cm^3</em>
  • <u><em>Volumen del líquido = 2116,762667 cm^3</em></u><em> (He utilizado todos los decimales para obtener el resultado exacto).</em>

<em>A simple vista ya se tiene el volumen del líquido en cuestión, sin embargo, el ejercicio pide que sea expresado en litros, por lo cual vamos a convertir los centímetros cúbicos en litros teniendo en cuenta el siguiente factor de conversión:</em>

<em>1 litro = 1000 centímetros cúbicos.</em>

<em>Ahora podemos aplicar una regla de tres simple, si:</em>

  • <em>1000 cm^3 = 1 L</em>
  • <em>2116,762667 cm^3 = x</em>

<em>Y operamos:</em>

  • <em>x = (2116,762667 cm^3 * 1 L) / 1000 cm^3</em>
  • <u><em>x = 2,116762667 L</em></u>

<em>O si quieres un valor aproximado:</em>

  • <u><em>x = 2,12 Litros.</em></u>

<em>Entonces, la cantidad de litros teniendo en cuenta la densidad y la masa brindadas es </em><u><em>2,12 litros</em></u><em>.</em>

8 0
3 years ago
Show me a step by step work and solve the problem
AveGali [126]
What’s the question?
6 0
3 years ago
I need help with my math homework
Rashid [163]
Hello. This is how to do it...

Step 1: Figure out what "N" means.

Step 2: Multiply whatever "N" means by -4

Step 3: Subtract  -4 times "n"

Hope this will help! Im sorry if i was a pain tho...
5 0
3 years ago
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