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2 years ago

Necesito que me ayuden con unas tareas de matematicas de primer grado de secundaria

1 answer:

5 0

Answer: i don't know

Step-by-step explanation:

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blsea [12.9K]

The equations

$2x^2+9x-5=0$

and

$2\left(t-\dfrac12\right)^2+9\left(t-\dfrac12\right)-5=0$

are really the same, we're just setting $x=t-\dfrac12$ , or $t=x+\dfrac12$ .

$2x^2+9x-5=(2x-1)(x+5)=0\implies x=\dfrac12,x=-5$

So we get

$t=\dfrac12+\dfrac12=1,t=-5+\dfrac12=-\dfrac92$

8 0

3 years ago

Greeley [361]

X=-5 hope that helps

7 0

3 years ago

DIA [1.3K]

777 divided by 21 = 34 with a remainder of 3

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3 years ago

atroni [7]

Answer:

Step-by-step explanation:

Because I know how to do it

7 0

2 years ago

Kipish [7]

5/3
if you divide both numbers by 8 you will reduce them to their simplest form

8 0

3 years ago

Necesito que me ayuden con unas tareas de matematicas de primer grado de secundaria​