walrusxcuuseme walrusxcuuseme

17-08-2016
Mathematics

contestada

At 1 pm shadow of a tree is 14 feet long. At the same time the shadow of a 18 foot telephone pole is 21 feet long. What is the height of the tree?

Respuesta :

17-08-2016

18≈21
14≈?
∴(14×21)÷18
=16.33feet

Answer Link

Cherryelorm Cherryelorm

17-08-2016

If 18ft=21ft
then x = 14ft
We cross multiply.
That is,
x × 21 =21x
18 × 14=252

21x=252
x =252÷21
x =12

Therefore, the tree is 12ft tall.

Answer Link

Otras preguntas

The current of a river is 4 miles per hour. A boat travels to a point 30 miles upstream and back in 4 hours. What is the speed of the boat in still water

Whole segment length = 30 ,one segment is 2x the other is x+5 ,what is x?

Ronald is changing the shape of his backyard from 100 feet long by 22 feet wide to a square that has the same area. What is the perimeter of the square backyard

Read the following selection from Act III of Romeo and Juliet. What conflict does the line in bold most closely represent? JULIET O serpent heart, hid with

Who is Cato the elder?

What does 14.600oz equal to g?

SPANISH 3 PLS HELP!!! (02.03 MC) Escoge la preposición correcta de por o para, para completar la frase. Select the correct preposition, por or para, in order

Some racquet balls are sold in cylindrical cans of three balls. Each ball has a diameter of 2.25 inches. The can has a diameter of 2.25 inches and is 6.75 inche

Can someone help me with this???

Rectangle M was dilated to form rectangle M’. What ratio is the scale factor? A. 1/2 B. 2/3 C. 4/3 D. 3/2