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yKpoI14uk [10]
3 years ago
15

Which statement below is true about irrational numbers?

Mathematics
1 answer:
White raven [17]3 years ago
3 0

I think it's B because irrational numbers are always repeating

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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
3 years ago
Round 0.832 to the nearest hundredth.
kodGreya [7K]

Answer:

0.83

Step-by-step explanation:

5 or more raise the score 4 or less let it rest

Elementary nostoligia :)

3 0
3 years ago
Read 2 more answers
Lella will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $46 and costs an ad
Helen [10]
The plans cost the same at 125 miles. the cost is $63.50
6 0
3 years ago
What is the area of this figure
vodomira [7]

area = 4 \times 4  +  \frac{4 \times 6}{2}   \\ = 16 + 12 = 28 \:  {yd}^{2}

5 0
3 years ago
Read 2 more answers
0x-7*9 = 0<br>Solve for x.<br>​
Helga [31]

Answer:

Undefined

<em>Step </em><em>by</em><em> step</em><em> </em><em>explaination:</em>

<em> </em>

by order of operations we know that we multiply first;

so, 0x-(7*9)=0

1) Multiply the ones in brackets first:

0x-63=0

2) To make X the subject perform the opposite operation:

0x-64+63=0+63

0x=63

3) Divide 0 on both sides;

0x/0= 63/0

therefore; <u>x is undefined</u>

3 0
2 years ago
Read 2 more answers
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