Question

Help please :)

Answer 1

Convert 3 ft 11 inches into ft first.

Answer 2

Then, you can plug in your answer into the equation to find t.

Answer 3

11 inches isnt a full foot so isn't it already in feet?

Answer 4

No, you have to make it into a decimal.

Answer 5

I don't know how

Answer 6

This is why the Imperial system is dumb. Americans, goddammit... Okay, how many inches are in a foot.

Answer 7

is it 3.916

Answer 8

3.917 if you round correctly, but yes.

Answer 9

Now that you know that, all you have to do is plug in 3. 91666666666667 for L in L = 4t^2 and solve.

Answer 10

Do you multiply or divide both sides?

Answer 11

First divide both sides by four, then square root both sides.

Answer 12

.96

Answer 13

I'm getting 0.99 when rounded to two decimal places.

Answer 14

The exact answer is the square root of 47/48

Answer 15

Thank you

Answer 16

Change 3'11" to fraction: (36 + 11)/12 = 47/12
4*t^2 = 47/12 -> t^2 = 47/48 --> t = 0.99 sec.