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SVEN [57.7K]
3 years ago
7

I’m confused on this one

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
7 0

It just happens that tan 14 degrees is about 0.25 or 1/4. According to my calculator, it's actaull 0.249.


Now try finding tan 76 degrees to approx. the same level of accuracy.


tan 76 deg = (via calculator) 4.0108. this could be re-written as 4 or 4.1.

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Halle la ecuación del eje x y la ecuación del eje y, usando dos puntos que se encuentren sobre los mismos.
lisov135 [29]

Una linea recta ( cualquier eje coordenado es una línea recta) queda definida si se conocen dos puntos que están sobre ella.

Solución:

Ecuación del eje x      y = 0

Ecuación del eje y      x = 0

Para darle respuesta a la pregunta podemos seguir el siguiente procedimiento:

  • Escogemos dos puntos arbitrarios sobre el eje x, por ejemplo

P ( 2 ; 0 )  y Q ( 5 ; 0 )         ( todos los puntos sobre el eje x tienen coordenada y = 0.

Según la cual  m = (y₂ - y₁)/ ( x₂ - x₁ )    m = 0

  • Usamos la ecuación pendiente-Intercepto

y = m×x + b         donde m es la pendiente y b el intercepto con el eje y

y entonces tenemos:

  • m = 0    b ( 0 ; 0 )
  • Por sustitución en la ecuación pendiente-intercepto

y = 0

Procediendo de forma similar obtendremos la ecuación del eje y

P´( 0 ; 4 )     Q´( 0 : 8 ) entonces

y = m×x + b

En este caso, la pendiente no es definida ( tang 90° ) y b es de nuevo el punto b ( 0 ; 0).

A partir de  que todos y cada uno de los puntos sobre el eje y son  de valor 0 para x, concluímos que  ecuación del eje y es

x = 0

Enlaces de interés:brainly.com/question/21135669?

8 0
2 years ago
What do you get when you use your calculator to divide 84 by 14?
ruslelena [56]
 84/14 = 6
dont u have calculator 
5 0
3 years ago
Read 2 more answers
Given f (x)=2x-5x-3 and g (x)=2x^2+x what is (f/g)(x)<br>​
Rufina [12.5K]

ANSWER

( \frac{f}{g} )(x ) =   \frac{x - 3}{x}  \: where \:  \: x \ne0, -  \frac{1}{2}

EXPLANATION

Given:

f(x) = 2 {x}^{2}  - 5x - 3

and

g(x) = 2 {x}^{2}  + x

Then,

( \frac{f}{g} )(x ) =  \frac{f(x)}{g(x)}

Substitute the given functions;

( \frac{f}{g} )(x )  =  \frac{2 {x}^{2} - 5x - 3}{2 {x}^{2}  + x}

Factor

( \frac{f}{g} )(x ) =  \frac{2 {x}^{2} - 6x + x - 3 }{x(2x + 1)}

( \frac{f}{g} )(x ) =   \frac{2x(x - 3) +1 (x - 3)}{x(2x + 1)}

( \frac{f}{g} )(x ) =   \frac{(2x + 1)(x - 3) }{x(2x + 1)}

Cancel the common factors.

( \frac{f}{g} )(x ) =   \frac{x - 3}{x}  \: where \:  \: x \ne0, -  \frac{1}{2}

3 0
3 years ago
Question 2 of 10
Inessa05 [86]
C. 4x2 +xd-1jdjdjejejejw
3 0
3 years ago
a fish swims at a speed of 12 mph. a boy swims at a speed of 4.4 ft per s. how much faster does the fish swim than the boy in ya
aniked [119]
<span>12 mph = 17.6 ft/sec. Speed of fish
4.4 ft/sec . Speed of boy

</span><span>how much faster does the fish swim than the boy = 17.6 - 4.4 = 13.2 ft/sec.
</span>13.2 ft/sec. = 264 yards/min.<span>

</span>
5 0
4 years ago
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