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masya89 [10]
3 years ago
10

722 students need to ride on buses to go on a field trip.Each bus holds 70 students.How many buses are needed?

Mathematics
2 answers:
Ray Of Light [21]3 years ago
8 0

To solve this problem all we have to do is divide 722 by 70

722 ÷ 70 = 10.314285....

Therefore, the amount of buses needed would be 11

Hope this helps

-AaronWiseIsBae

Alexxx [7]3 years ago
7 0

Eleven buses would be needed

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xeze [42]

Set each expression from the parentheses equal to 0 separately like so:

Equation 1: x - 4 = 0

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Now for each equation solve for x!

Equation 1:

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Ipatiy [6.2K]

Answer:

a)d = 180,91 m

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Step-by-step explanation:

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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.

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t  = { 32 [m/s] * √3 }2*9,8 [m/s²]

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

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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

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t = 18 *0,6428/9,8

t  = 1,18

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Vox = 13,79

x₃  = 13,79*2,36

x₃  = 32,54 m

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d = x₁  + x₂ + x₃

d  =  90,49  + 57,88 + 32,54

d = 180,91 m

y el tiempo total será la suma de los tiempos

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t  = 5,65 + 3,75 + 2,36

t = 11,76 seg

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Answer:

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