Question

sound underwater travel distance D in X seconds the distance d in miles can be modeled by the equation
D=0.50x
According to the model how many seconds would it take to hear an underwater explosion 4 miles away?

Answer 1

Model?

Answer 2

I guess they just mean the example, according to the example

Answer 3

I'm not sure how I write the equation

Answer 4

Do you have 0.50x is how fast it travels and then you have how far you are which is 4 miles away can you piece it together?

Answer 5

Ignore DO you have

Answer 6

Would I be multiplying?

Answer 7

Or dividing?

Answer 8

You would be Multiplying.

Answer 9

Mybad Dividing.

Answer 10

So the answer would be 8 then?

Answer 11

Yep, im 99% sure its 8.

Answer 12

Thank you for the help!