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Alexeev081 [22]
3 years ago
10

Factor completely 2X^3-2x-40

Mathematics
1 answer:
Sholpan [36]3 years ago
6 0
2X^3-2x-40=0
Hope this helps
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PLEASE ANSWER ASAP
Anna007 [38]

Answer:

A reasonable estimate  for the solution is the point (1.1,-1.9)

Step-by-step explanation:

we have

y=-\frac{3}{4}x-1 -----> equation A

y=2x-4 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the interection point both graphs

using a graphing tool

The solution is the point (1.091,-1.818)

see the attached figure

therefore

A reasonable estimate  for the solution is the point (1.1,-1.9)

8 0
3 years ago
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Paula salió de su casa rumbo al trabajo avanzo 8km al este y 13km al norte. Si hubiera un camino recto desde su casa a su trabaj
zhannawk [14.2K]

Answer:

15.26km

Step-by-step explanation:

Con la informacion de la pregunta e hecho un diagrama de la situacion. Podemos ver en el diagrama que el recorido forma un triángulo rectángulo. Entonces para saber la distancia que recorreria por el camino recto desde su casa a su trabajo tendriamos que calcular el valor de x, que se puede calcular usando el teorema de pitagoras que es el siguiente.

a^{2} + b^{2} = c^{2}

donde a y b son el ancho y el alto del triangulo y el c seria x

8^{2} + 13^{2}  = x^{2}

64 + 169 = x^{2}

233 = x^{2}

15.26 = x

Finalmente, podemos ver que la distancia seria 15.26km

7 0
3 years ago
How do you find the domain of f(x)=lnlnlnx
11Alexandr11 [23.1K]
We have to find the domain of the function:
f ( x ) = ln ln ln x
x > 0
ln x > 0
x > 1
and finally: ln ( ln x ) > 0
ln x > 1
x > e
Answer: 
Domain is: x ∈ ( e , + ∞ ).
6 0
3 years ago
Which solution set is graphed on the number line? A number line going from negative 4 to positive 4. An open circle is at 1. Eve
lidiya [134]

Answer:

an open circle means it contains no equal signs.....everything to the left is shaded....means it is less then

x <  1 (thats a less then sign only) ....no equal sign in there

8 0
3 years ago
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Assume that the heights of bookcases are normally distributed. A random sample of 16 bookcases in one company have a mean height
ipn [44]

Answer: 1.1 and 3.1

Step-by-step explanation:

6 0
3 years ago
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