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anastassius [24]
2 years ago
13

7th-grade math help me, please :(

Mathematics
2 answers:
IgorC [24]2 years ago
7 0

Answer:

71 remainder 80

Step-by-step explanation:

\frac{28480}{400}=71\:remainder\:80\\\\\frac{28480}{400}=71\frac{80}{400}\\

brilliants [131]2 years ago
4 0

Answer: 71 R 80

Step-by-step explanation:

400*71=28400

28480-28400=R

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Solve the equation |x + 6|= |x– 12|. Graph the solutions, if possible.
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x=3

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i think it is right

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Five more than a number is three
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Simply the following 2m⁵×5m³×7m²​
Ganezh [65]

Answer:

2m^5\cdot 5m^3\cdot 7m^2=70\cdot m^{10}

Step-by-step explanation:

Simplify the expression

2m^5\cdot 5m^3\cdot 7m^2

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2*5*7=70

Compute the product of the variables. Since they are all the same letter, sum their exponents:

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Combine the results:

\boxed{2m^5\cdot 5m^3\cdot 7m^2=70\cdot m^{10}}

3 0
3 years ago
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
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