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AURORKA [14]
3 years ago
13

Solve for x 3(8x-5)=-4(7-6x)

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0

3(8x - 5) = -4(7 - 6x)

Distribute 3 and -4 inside their respective parentheses.

24x - 15 = -28 + 24x

Add 28 to both sides.

24x + 13 = 24x

Subtract 24x from both sides.

13 = 0

This is an untrue statement, so that means there are no solutions to this equation.

Your answer is no solution.

ira [324]3 years ago
4 0

Answer:

no solution

Step-by-step explanation:

I did this question on my homework and I got it correct

Hope this helps! ;)

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Write an equation parallel to the given line. Write an equation perpendicular to the given line.
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The slope of this line is m = 2/4, or m = 1/2.

We need the equation of a new line parallel to this one.   Use the slope-intercept form of the equation of a straight line:  y = mx + b.

Let m = 1/2 and arbitrarily choose y-intercept b = 0.  Then we have

y = (1/2)x + 0, or y = (1/2)x.

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Step-by-step explanation:

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Answer:

a)d = 180,91 m

b)t = 11,76 seg

Step-by-step explanation:

Para el lanzamiento de proyectil, la ecuación que nos da la velocidad en V(y) es:

V(y)  = Voy - g*t

en donde Voy = Vo * senα    ( donde Vo es la velocidad inicial, α el angulo del disparo.

Si en esta ecuación hacemos V(y) = 0 estamos en el punto donde el componente en el eje y de la velocidad del proyectil es cero, ese punto es el punto medio del recorrido.

0 =  Vo*sen 60⁰     - g*t

g*t  =  Vo* √3/2

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t = 16*√3  / 9,8

t = 2,8278 seg

El tiempo total del primer recorrido es entonces por simetría

t₁ = 2 * 2,8278           t₁  = 5,6556 seg

La distancia del primer impacto al suelo es:

x = Vox * t₁                        ( Vox es constante   Vx = Vo*cos 60⁰ )

x  =  32 * (1/2) * 5,6556

x₁  =  90,49 m

Aplicando los mismos criterios ahora para el segundo bote

Ahora Vo = 32 -  32*(1/4)

V = 24 m/s

g*t  =  24 * sen 50⁰

t =  24* 0,7660/ 9,8  

t =  1,8759

2*t  = 2*1,8759

t₂  = 3,7518 seg

x₂  =  Vox * t₂

x₂  =  24* 0,6428*3,7518

x₂  =  57,88 m

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t  = 1,18

2t  = t₃  = 2*1,18

t₃ = 2,36 seg

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d = x₁  + x₂ + x₃

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d = 180,91 m

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t =  t₁  +  t₂  +  t₃

t  = 5,65 + 3,75 + 2,36

t = 11,76 seg

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