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Tom [10]
2 years ago
6

A 6-foot tall man is standing near a tree on level ground as shown in the picture

Mathematics
1 answer:
Ghella [55]2 years ago
6 0

NOTE; this is NOT my answer. I dont know how to do this problem, but i thought this would help you.

Man's height IS TO Man's shadow AS Tree's height IS TO Tree's shadow

Let the tree's height be x. Then we have

 6 IS TO 4 AS x IS TO 18

Replace the "IS TO"'s by " / " and the "AS" by " = "

                    6/4 = x/18

Cross multiply:

                   4x = 6(18)

                   4x = 108

                    x = 27 feet

basically the tree is 27 feet

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i don't what you want me to do here...

You gave me the same problem just two different numbers so maybe the answer is 7... idek tho bro

k times x = 7

k times x = 49

Step-by-step explanation:

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Step-by-step explanation:

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A club is accepting new members. 36 girls sign up but the club can only accept 24 girls. What percentage of the girls will be ac
maks197457 [2]

Answer:

75%

36= 100  16= 50%  8= 25%

Lets make percentage = P

(8x x 3x -x ) = ( P x 3x -x) 5 /1/20

=  (8 *3) = P x 3 ) x 5 /1/20

reduce = P x 3 x 8 = 24 x 3 x 5 / 1/20

360/24  = 15  x 1/20

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Step-by-step explanation:

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3 years ago
The unit of measure of an area equal to 1 km by 1m
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3 years ago
un hotel tiene habitaciones dobles y sencillas. dispone en total de 50 habitaciones y 87 camas ¿cuántas habitaciones tiene cada
Alex777 [14]

Answer:

En el hotel hay 13 habitaciones sencillas y 37 habitaciones dobles.

Step-by-step explanation:

Un sistema de ecuaciones lineales es un conjunto de dos o más ecuaciones de primer grado, en el cual se relacionan dos o más incógnitas.

Resolver un sistema de ecuaciones consiste en encontrar el valor de cada incógnita para que se cumplan todas las ecuaciones del sistema.

En este caso, las variables que se definen son:

  • x: habitaciones simples
  • y: habitaciones dobles

Entonces, el hotel dispone en total de 50 habitaciones, por lo que se plantea la ecuación:

x + y= 50

El hotel dispone de 87 camas. La cantidad de camas por habitación puede ser expresada mediante:

x + 2*y= 87

Entonces el sistema de ecuaciones a resolver es:

\left \{ {{x+y=50} \atop {x+2*y=87}} \right.

El método de sustitución consiste en despejar o aislar una de las incógnitas, por ejemplo x , y sustituir su expresión en la otra ecuación. De este modo, obtienes una ecuación de primer grado con la otra incógnita,  y . Una vez resuelta, calculas el valor de  x  sustituyendo el valor de  y ya conocido.

En este caso, despejando x de la primer ecuación:

x= 50 -y

y reemplazando en la segunda ecuación obtienes:

50 -y + 2*y=87

-y + 2*y=87 -50

y= 37

Reemplazando en la expresión x= 50 -y obtienes:

x= 50 -37= 50-37

x= 13

Recordando que x representa la cantidad de habitaciones sencillas e y la cantidad de habitaciones dobles, <u><em>en el hotel hay 13 habitaciones sencillas y 37 habitaciones dobles.</em></u>

3 0
3 years ago
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