Car travels from 10mi to 30 mi in .40 hr. how fast are they going?

We will use our famous distance formula:

d = r x t.

Then, rearranging this formula, gives:

t = d/r

Now, t(for 1st 10 mi) = 10/30 = 1/3 hr.

And, t(for 2nd 10 mi) = 10/50 = 1/5 hr.

So, the total time = 1/3 + 1/5 hr.

Rearranging our distance formula again, gives: r = d/t

Now, r(average) = d(total)/t(total)

So, r(average) = 20/(1/3 + 1/5).

After simplifying, we get:

r(average) = 37.5 mi/hr.

Explanation:hope this helps!!!

it's the cell cycle, but cytokines is when the cell divides.

theres 3 stages interphase,mitosis,and cytokines.

interphase prepares the cell for division.

mitosis is the process of dividing the cell,it has 4 parts interphase,anaphase,metaphase,and telophase.

lastly there's cytokines,that's when the cell divides into 2 daughter cells

multiplying and dividing the two decimals and the eqations by the same number of the overalls