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xenn [34]
3 years ago
5

A model house is built on a base then measures 9 1/4 inch. Wide and 8 4/5 inch. Long. What is the total area of the model house'

s base
Mathematics
1 answer:
Mrac [35]3 years ago
6 0
The total area would be 9 1/4 multiplied by 8 4/5 which would equal 81.4 inches
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Step-by-step explanation:

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Problema de capacidades Una empresa aceitera ha envasado 3000 litros de aceite en 1200 botellas de dos y de cinco litros. ¿Cuánt
mariarad [96]

Answer:

Hay 200 botellas de 5 litros y 1000 botellas de 2 litros.

Step-by-step explanation:

Un sistema de ecuaciones lineales es un conjunto de dos o más ecuaciones de primer grado, en el cual se relacionan dos o más incógnitas.

Resolver un sistema de ecuaciones consiste en encontrar el valor de cada incógnita para que se cumplan todas las ecuaciones del sistema.

En este caso, las variables a calcular son:

  • x= cantidad de botellas de 2 litros.
  • y= cantidad de botellas de 5 litros.

Una empresa aceitera ha envasado 3000 litros de aceite en 1200 botellas de dos y de cinco litros. Entonces es posible plantear el siguiente sistema de ecuaciones:

\left \{ {{2*x+5*y=3000} \atop {x+y=1200}} \right.

Existen varios métodos para resolver un sistema de ecuaciones. Resolviendo por el método de sustitución, que consiste en despejar o aislar una de las incógnitas y sustituir su expresión en la otra ecuación, despejas x de la segunda ecuación:

x= 1200 - y

Sustituyendo la expresión en la primer ecuación:

2*(1200 - y) + 5*y=3000

Resolviendo se obtiene:

2*1200 - 2*y + 5*y= 3000

2400 +3*y= 3000

3*y= 3000 - 2400

3*y= 600

y= 600÷3

y= 200

Reemplazando en la expresión x= 1200 - y:

x= 1200 - y

x=1200 -200

x= 1000

<u><em>Hay 200 botellas de 5 litros y 1000 botellas de 2 litros.</em></u>

7 0
2 years ago
A fair coin is flipped four times. Use a tree diagram to find the probability of observing exactly two heads.
Svetllana [295]

Answer:

0.25

Step-by-step explanation:

6 0
3 years ago
If y(x) = 4x, what is x when y(x) = 4? <br><br> a.2<br> b.1.<br> c.4<br> d.0
zavuch27 [327]

Answer:

b. 1

Step-by-step explanation:

Step 1: Define

y(x) = 4x

y(x) = 4

Step 2: Substitute and Evaluate

4 = 4x

x = 1

8 0
3 years ago
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