steimy9ov67nq steimy9ov67nq

24-08-2017
Mathematics

contestada

If a 40-foot tree casts a 12-foot shadow, find the length of the shadow cast by a 21-foot tree.

Respuesta :

katelynn25 katelynn25

24-08-2017

The shadow Would be About 6.3 feet

Answer Link

apologiabiology apologiabiology

24-08-2017

ratio and proportaion

assuming the shadow to the actual height is constant

shadow:actual height=12ft:40ft=12/40=3/10=3ft:10ft

so
3ft:10ft=?:21ft
solve
3ft/10ft=?/21ft
times both sides by 21ft
63ft/10=?
6.3ft=?

the shadow is 6.3ft

Answer Link

Otras preguntas

3. Mark each statement if it correctly describes herding and farming inMesopotamiaHerders stayed in one location and did not move their animalsin search of food

Giraffes are the tallest land animals. A male giraffe can grow 6 yards. How tall would the giraffe be in feet?

Two things that can cause a short circuit in your house

2 1/2+ (-3 2/7) =? Please help me, this is due tmw and I am filled up with math work.

Which describes how the underlined pronoun is used in the sentence? Phil's grandfather told us stories of his childhood in the Philippines. A. direct object B.

draw a line to show the partsvommon core 1.G.2

If f(9)=4(9)-12, which function gives f(x)?

What is the repurchase of shares procedure

In writing which word means the same as parallel?

Decibel levels over 100 can cause loss of hearing. True or false?