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Vinil7 [7]
3 years ago
9

I want the ans to this ques​

Mathematics
1 answer:
fiasKO [112]3 years ago
8 0

Answer:

here you go..............

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Cellular phone service that charges per-minute will charge $70 for 270 minutes. How much would 1260 minutes cost? Round your ans
gulaghasi [49]
$70 = 270 min
x = 1260 min
Where x is the charge of phone service per 1260 min.

Cross multiply:
1260 * 70 = 270 * x
88200 = 270x
88200/270 = x
x = 326.67

The total charge of cellular phone service for 1260 min is $326.67
6 0
3 years ago
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
What is the simplified form of the expression?<br> Please hurry I am timed!
OLEGan [10]

Answer:

The answer is the fourth one!

=7c^2d-7c+4d-10

5 0
3 years ago
Read 2 more answers
3. The vertices of ABC are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right
kow [346]

Answer:

C

Step-by-step explanation:

5 0
4 years ago
Find the slope of the line containing the points (5, -1) and (-8, -4).
UkoKoshka [18]
I think it might be D
7 0
2 years ago
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