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3 years ago

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From a distance of 20 meters, from its base, the angle of elevation of the top of a building is 32 degrees. Find the height of t

he building.

1 answer:

Strike441 [17]3 years ago

4 0

TAN(32°) = x/20 --> x = 12.50 m

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4 years ago

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Respuesta de estas ecuaciones (Los "{ }" y "[ ]" son "( )" simplemente estan asi para poder diferenciarlos A) [-3+(6-8)]-[40+(5.

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Answer:

$A)\ [-3+ (6-8)] - [40+ (5.3-7) +20.2] = -63.5$

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Step-by-step explanation:

$A)\ [-3+ (6-8)] - [40+ (5.3-7) +20.2] =$

Resuelve todas las expresiones en el paréntesis interior

$[-3-2] - [40 -1.7 + 20.2]$

Resuelve cada paréntesis

$-5 - 58.5$

$-63.5$

$B)\ -4 + [- 2.6-1 - (- 3.4)] + (- 5) * (- 3) + (- 10) =$

Resuelve todas las expresiones en el paréntesis interior

$-4 + [-0.2] + (- 5) * (- 3) + (- 10)$

Resuelve todas las multiplicaciones y paréntesis.

$-4 -0.2 + 15-10$

$=0.8$

$C)\ -22 * \{- 5+ [8.3- (3.6-9)]\} - (- 2) * (3) =$

Resuelve todas las expresiones en el paréntesis interior

$-22 * \{- 5+ [8.3 + 5.4]\} - (- 2). (3)$

Resuelve todas las multiplicaciones y paréntesis.

$-22 * 8.7 +6$

$-191.4 + 6$

$=-185.4$

$D)\ -9 - (- 2 + 5) * [- 3 + (- 5) - (+ 2) +1] =$

Resuelve todas las expresiones entre paréntesis interiores

$-9 - 3 * [- 3 - 5 - 2 +1]$

$-9-3 * -9$

$-9 + 27$

$= 18$

$E)\ 40 * \{- 12 * [4 + (- 6) * (- 5) -15.3 + 12]\} - 2 =$

Resuelve todas las expresiones entre paréntesis interiores

$40 * \{- 12 * [4 - 6 * - 5-15,3 + 12]\} - 2$

Multiplicar -6 por -5

$40 * \{- 12 * [4 + 30-15.3 + 12]\} - 2$

Resuelve todas las expresiones en el paréntesis interior

$40 *\{- 12 * 30.7\} - 2$

Quitar todos los paréntesis

$40 * -368.4 - 2$

$-14736 - 2 \\$

$=-14738$

$F) -21 * \{- [- 6 * (7-3)] - (7.6-8.3)\} - 89 =$

Resuelve todas las expresiones entre paréntesis interiores

$-21 * \{- [- 6 * 4] +0.7\} - 89$

Multiplicar -6 por 4

$-21 * \{24 +0.7\} - 89$

Quitar todos los corchetes

$-21 * 24.7 - 89$

$-518.7 - 89$

$=-607.7$

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3 years ago

Please help me with this

Dovator [93]

Answer:

A

Step-by-step explanation:

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3 years ago