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Fiesta28 [93]
3 years ago
15

Equation equivalent to 5x(3x+4)

Mathematics
2 answers:
Vika [28.1K]3 years ago
7 0

use the distributive property

5x(3x+4)

15x^2 +20x

defon3 years ago
4 0
Using distributive property, we can find that
15X^2+20X is the same as 5X(3X+4)
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PQR is a right-angled triangle.
ICE Princess25 [194]

Step-by-step explanation:

3 0
3 years ago
Durante una venta de liquidación, el Sr. Pablo, un profesor particular, compró un total de 12 libros de asesoría de Secundaria 4
Flauer [41]

Resolviendo un sistema de ecuaciones, vemos que se venden 6 libros de secundaria 4 y 6 libros de secundaria 1.

<h3>¿Como escribir un sistema de ecuaciones?</h3>

Primero definimos dos variables:

  • x = numero de libros de secundaria 4 vendidos.
  • k = número de libros de secundaria 1 vendidos.

Sabemos que se venden 12 libros en total, entonces:

x + k = 12

Tambien sabemos que se recauda un total de $82, entonces:

x*$8 + k*$6 = $82

Entonces tenemos dos ecuaciones.

a) Usando la primer ecuacion, podemos aislar x para tener:

x = 12 - k

b) Ahora podemos reemplazar eso en la otra ecuación para solucionar el sistema.

(12 - k)*$8 + k*$6 = $82

$96 - $2*x = $82

$2*x = $12

x = $12/$2 = 6

Es decir se venden 6 libros de secundaria 4, y como se venden 12 libros en total, los otros 6 libros vendidos son de secundaria 1.

Si quieres aprender más sobre sistemas de ecuaciones:

brainly.com/question/13729904

#SPJ1

4 0
2 years ago
What is the line parallel to 2x + 3y = 12
lesya692 [45]
I hope this is helpful

6 0
3 years ago
Please help me with this and thank you
mars1129 [50]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ It would be option D.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

4 0
4 years ago
Read 2 more answers
Help!! I’ll add 31 points ! :D just the two bottom questions
Greeley [361]

All you do is change the mix number to and improper fraction. Add that once the denominator is the same then d divide it. Make the quotient as a decimal then add both decimal.

3 0
3 years ago
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