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kozerog [31]
3 years ago
5

Find the solutions of the quadratic equation 2x2 + 6x - 2 = 0.

Mathematics
1 answer:
nekit [7.7K]3 years ago
6 0

Sorry didn't know how to write the answer so I just took a screen shot of my answer for you!

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12 obreros se demoran 3 días para realizar un trabajo, cuántos días se demorarán si se tienen la mitad de 8 obreros
valentinak56 [21]

Answer: X=9 Dias

Se demoran 9 dias

Step-by-step explanation:

Regla De Tres

Quien   Tiempo  Obra

12               3            1          x= 12*3/4

4                 x             1         x= 36/4

                                             x=9

otra forma

Paso uno   x = 12*3*1 =  x= 36

                          4x    =    x= 4

Paso dos   x= 36/4 =   x= 9 dias

dividir.

Espero que les ayude

     

   

         

5 0
3 years ago
PLEASE HELP NEED HELP ASAP!!!!!!
Nataly_w [17]

Answers:

x = 3

y = 9

=========================================================

Explanation:

We're told that angle A is 20x. The diagram shows we have an equilateral triangle (since all three sides are the same length), so we know that all angles are the same measure and they are equal to 60 degrees.

Equate 20x and 60. So we solve 20x = 60 and that leads to x = 3 after you divide both sides by 20.

Since we have a triangle with all sides equal, we know that AB = AC = 9, therefore y = 9 because y is the length of AB.

5 0
3 years ago
Read 2 more answers
HELPPPPPPPPPPPP BRAINLY
AleksAgata [21]

Answer:

C

Step-by-step explanation:

6 0
3 years ago
?? anyone know thank you
lana66690 [7]

Answer:

19/20 is the correct answer

7 0
3 years ago
Read 2 more answers
For f(x)= x+5 and g(x)=4x+2 <br> find (fog)(x) And (gof)(x)
Svetllana [295]

Composing functions means that the input of the outer functions is the output of the inner function.

In fact, you can rewrite the circle notation as

(f\circ g)(x)=f(g(x)),\quad (g\circ f)(x)=g(f(x))

So, we can substitute g(x) with its expression:

(f\circ g)(x)=f(g(x))=f(4x+2)

And since f(x)=x+5, we simply have to add 5 to its input:

f(4x+2)=(4x+2)+5=4x+7

Similarly, we have, substituting f with its expression,

(g\circ f)(x)=g(f(x))=g(x+5)

And since g(x)=4x+2, we have to multiply the input by 4 and add 2:

g(x+5)=4(x+5)+2=4x+20+2=4x+22

7 0
3 years ago
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