Abuilding casts a shadow 30 m long. at the same time, the shadow cast by a 41-cm tall pole is 72 cm long. find the height of the building.

In this question, it is given that

A building casts a shadow 30 m long. At the same time, the shadow cast by a 41-cm tall pole is 72 cm long.

Let the height of the building be x m.

Now we set the ratio, which is

Cross multiplication

Dividing both sides by 72

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

2/3

step-by-step explanation: