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goldfiish [28.3K]
3 years ago
11

on a piece of paper , graph y+2<-2/3x+4. then determine which answer choice matches the graph you drew

Mathematics
2 answers:
stiks02 [169]3 years ago
5 0

y+2<-2/3x+4

subtract 2 from each side

y < -2/3 x +2

the y intercept is 2 and the slope is -2/3


notice the y axis is slightly offset and the line should be dotted.  I cannot make the graphing program make dotted lines

liraira [26]3 years ago
3 0

See the attached picture:

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Una torre de 28.2 m de altura esta situada a la orilla de un rio, desde lo alto del edificio el ángulo de depresión a la orilla
Svet_ta [14]

Answer:

El ancho del río es 59.9 metros.

Step-by-step explanation:

El ancho del río lo podemos calcular con la siguiente relación trigonométrica asumiendo que la torre forma un triángulo rectángulo con el río:

tan(\theta) = \frac{CO}{CA}

En donde:

CA: es el cateto adyacente = Altura de la torre = 28.2 m

CO: es el cateto opuesto = ancho del río =?

θ: es el ángulo adyacente a CA

Dado que el ángulo de depresión (25.2°) está ubicado fuera de la parte superior de la hipotenusa del triángulo que forma la torre con la orilla opuesta del río, debemos calcular el ángulo interno (θ) como sigue:

\theta = (90 - 25.2)^{\circ} = 64.8 ^{\circ}

Ahora, el ancho del río es:

CO = tan(\alpha)*CA = tan(64.8)*28.2 = 59.9 m

Por lo tanto, el ancho del río es 59.9 metros.

Espero que te sea de utilidad!                  

4 0
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What is 3 multiplied by 5 5/12 as a mixed number or fraction
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How to solve 2x-y=17;x-y=10
Nataliya [291]
The answer is that y is equal to -3 and x is equal to 7 
2x-y=17
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2x-y=17
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x+3=10
 -3   -3
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x=7



8 0
3 years ago
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