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Vlada [557]
4 years ago
15

Please answer the question!! Not sure which option is correct.

Mathematics
1 answer:
tester [92]4 years ago
7 0
Probably the first one? Simply because it relates to an actual unit (pounds) instead of a filler sentence, as long as this is a math question.

English wise, the second, because it describes setting.
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. Use the data from question 2. If the data are normally distributed, find the percentage of families who spent: a. Less than $1
Marina CMI [18]
Find the percentage of families who spent: a. Less than $167 per day. b. Less than $367 per day. c. More than $247 per day. d. More than $350 per day. e. Less than $67 per day. f. Between $200 and $300 per day. g. Between $360 and $400 per day. h. More than the median. i.
8 0
4 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
3 years ago
PLEASE HELP FAST<br> Find W.
gregori [183]

Answer:

Step-by-step explanation:

Hello!

x+y+w = 180°

y = 90°

180 = x +x+12+90

180 = 2x+ 102

180 - 102 = 2x

78 =2x

x = 78/2 = 39

x= 39

y=90

W = 39+12 = 51

3 0
3 years ago
Help................................................................
Dmitriy789 [7]

Answer:

x=3  y=4

Step-by-step explanation:

The diagonals in a parallelogram bisect each other

DG = GC       and KG = GU

4x-7 = x+2

Subtract x from each side

4x-x-7 = x+2-x

3x-7 = 2

Add 7 to each side

3x-7+7 =2+7

3x=9

Divide by 3

3x/3=9/3

x=3


KG = GU

5y-8 = 3y

Subtract 5y from each side

5y-8-5y = 3y-5y

-8 = -2y

Divide by -2

-8/-2 = -2y/-2

4 =y



3 0
4 years ago
What is the value of the expression 4(a +d) when a = 2 and d = 5
sveticcg [70]

Answer:

28

Step-by-step explanation:

2+5=7
7*4=28

please mark brainlest if you can!

4 0
2 years ago
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