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exis [7]
3 years ago
11

Identify Properties Used in

Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0

The question is:

Identify properties used in each step in rewriting the polynomial expression below:

  • (x + 5) + 3(a + (6x)y)

Step 1: (5 + x) + 3(a + (6x)y)

Step 2: 5 + (x + 3(a + (6x)y)

Step 3: 5 + (x + 3a + (18x)y)

Step 4: 5 + (x + 3a +18xy)

Answer:

See below

Explanation:

<u>Step </u>                                   <u>Property and its explanation</u>

Step 1:

(5+x)+3(a+(6x)y)           <u>Given</u>: this is just the starting expression

Step 2:

5+(x+3(a+(6x)y)          <u>Associative property of addition</u>:

                                            the variable x was associated with the

                                            expression to its right

Step 3:

5+(x+3a+(18x)y)           <u>Distributive property of multiplication over</u>

                                              <u>addtition</u>: the number 3 was multiplied by

                                              each term inside to the parenthesis

Step 4:

5+ (x+3a+18xy)             <u>Simplification</u>: the product (18x)y was

                                             solved

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Neporo4naja [7]
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and 1/2 base = 123 

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7 0
3 years ago
Un alumno multiplica un número por 32 en lugar de multiplicarlo por 23, obteniendo un producto mayor en 54 al producto original.
romanna [79]

Answer:

La suma de cifras del producto original es igual a 12.

Step-by-step explanation:

De acuerdo a la información proporcionada, si multiplicas un número "x" por 32 su resultado sería igual al producto original "y" más 54 dado que dice que se obtiene un producto mayor en 54 al producto original, lo que se puede expresar de la siguiente forma:

32x=y+54

Además, se puede inferir a partir del enunciado que si el número x se hubiera multiplicado por 23 el resultado habría sido el producto original que lo denominamos como "y", por lo que puedes decir que:

y=23x

Ahora puedes reemplazar y=23x en 32x=y+54 y despejar x:

32x=23x+54

32x-23x=54

9x=54

x=54/9

x=6

Finalmente, puedes reemplazar el valor de x en y=23x:

y=23x

y=23*6

y=138

Suma de cifras: 1+3+8 = 12

De acuerdo a esto, la respuesta es que la suma de cifras es igual a 12.

5 0
3 years ago
At a butcher​ shop, Hilda bought 6 1/4 lb of Beef and some pork. She left with 13 1/20 lb of meat. Express the number of pounds
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Hilda bought 15.11 lb of pork.

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
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5 0
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