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ollegr [7]
3 years ago
6

Which term completes the product so that it is the difference of squares?(-5x-3)(-5x+)​

Mathematics
1 answer:
lilavasa [31]3 years ago
7 0

Hello,

(-5x-3)(-5x+ 3) = (-5x)² - 3²

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Escribe un número de tres cifras digamos a1b1c1, en el cual a1 sea distinto de c1; ahora invierte los dígitos a1 y c1, (obtendrá
Delicious77 [7]

Answer:

El número obtenido es:

  • <u>1089</u>.

Step-by-step explanation:

Vamos a escoger tres números sencillos para cada variable como:

  • a1 = 1
  • b1 = 2
  • c1 = 3

Por lo tanto, nuestro número de tres cifras es:

  • 123 (la única pauta es que a1 sea diferente a c1 y con este número la cumplimos)

Ahora, nos dice que invirtamos los números a1 y c1, por lo tanto, nuestro nuevo número de tres cifras sería:

  • 321

A continuación, nos menciona que restemos el menor del mayor, en este caso, nuestro número menor es 123 y el mayor es 321, por lo tanto:

  • 321 - 123 = <u>198</u> (Este resultado será el mismo sin importar cuáles números elijas para el ejercicio)

Como obtuvimos el número 198, se podría decir que:

  • a2 = 1
  • b2 = 9
  • c2 = 8

Ahora nos piden que invirtamos a2 y c2, por lo tanto nuestro nuevo número sería:

  • <u>891</u>

Y por último, nos solicita que sumemos los dos últimos números obtenidos, entonces tenemos:

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Por lo tanto, <u>el número obtenido al final es 1089</u>, el cual obtendrás sin importar qué número de tres cifras elijas al inicio, siempre y cuando no se repitan el primero y el tercer dígito.

3 0
3 years ago
The sports field at Patton Elementary School is shaped like a rectangle.The field is 72 yards long and 46 yards wide.What is the
svet-max [94.6K]

Answer:

3312 square yards.

Step-by-step explanation:

Given:

The sports field at Patton Elementary School is shaped like a rectangle having:

Length = 72 yards

Breadth = 46 yards

Question asked:

What is the area of the field in square yard ?

Solution:

As here sports field at Patton Elementary School is shaped like a rectangle, thus we will use the formula ;

Area \ of\ rectangle=length \times breadth

                             =72\ yards\times46\ yards\\=3312\ square\ yards

Thus, the area of the  sports field at Patton Elementary School is 3312 square yards.

7 0
3 years ago
Factor.<br> x^2 - 8x +16
galben [10]

This is a perfect square trinomial. All of these special cases take this form which you can identify: a²+2ab+b².

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IRINA_888 [86]

Answer:

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Step-by-step explanation:

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the following answer to this question is 37.

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