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attashe74 [19]
2 years ago
11

Find the measure of the missing angle .

Mathematics
1 answer:
Nana76 [90]2 years ago
7 0

Answer:

c = 99 and b = 81

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Which statement is true? A. In any right triangle, the sine of one acute angle is equal to the cosine of the other acute angle.
mr Goodwill [35]

That would be choice 2. One acute angle is the complement of the other

eg in a 90-60-30 triangle sine 30 = cos 60

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3 years ago
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Una persona camina 7 kilómetros hacia el norte, después 3 kilómetros hacia el este y, luego, 3 kilómetros hacia el sur. ¿A qué d
qaws [65]

Answer:

La persona está a 5 kilómetros con respecto al punto de partida.

Step-by-step explanation:

Considérese que la dirección norte coincide con el semieje +y y que la dirección este coincide con el semieje +x. A continuación, obtenemos las formas vectoriales equivalentes de cada afirmación:

(i) Una persona camina 7 kilómetros hacia el norte:

\vec r_{1} = 7\,\hat{j}\,[km]

(ii) Después 3 kilómetros hacia el este:

\vec r_{2} = 3\,\hat{i}\,[km]

(iii) Y luego, 3 kilómetros hacia el sur:

\vec r_{3} = -3\,\hat{j}\,[km]

El vector resultante de desplazamiento se construye a partir de la siguiente suma de vectores:

\vec R = \vec r_{1}+\vec r_{2} + \vec r_{3} (1)

\vec R = 3\,\hat{i} + 4\,\hat{j}\,[km]

Asumiendo que la distancia coincide con el desplazamiento resultante, calculamos la distancia con respecto al punto de partida mediante el Teorema de Pitágoras:

\|\vec R\| = \sqrt{3^{2}+4^{2}}

\|\vec R\| = 5\,km

La persona está a 5 kilómetros con respecto al punto de partida.

3 0
3 years ago
4,139 divided by 14 equals what?
Anon25 [30]

Answer:

that would be 57,946

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3 years ago
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Please help me fill in the blanks again
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Answer:

Comp

84

69

Supp

166

71

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3 years ago
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Gabriela bought a new pair of glasses at the store when they were having a 30% off sale. If the regular price of the pair of gla
Vilka [71]
If the sale was for 30% off, then she paid 70% of the regular price

100%-30%=70% or 0.70

72*0.70=$50.40

Answer= $50.40
8 0
3 years ago
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