in the middle of the afternoon, the temperature outside was 0 °f. an hour later, the temperature had decreased by 12 °f. an hour after that, the temperature had decreased by another 4 °f. what increase in temperature is needed to return to the original temperature of 0 °f?

a
4 °f

b
8 °f

c
12 °f

d
16 °

D. 16 °F

Step-by-step explanation:

Given:

The initial temperature of the outside is 0 °F.

Decrease in the temperature in the first hour = 12 °F

Therefore, temperature after 1 hour = 0 - 12 = -12 °F

Now, decrease in the temperature in the second hour = 4 °F

Therefore, temperature after 2 hours = -12 - 4 = -16 °F

Let 'x' °F be added to the final temperature in order to bring it to 0 °F.

Therefore,

Adding 16 on both sides, we get:

Hence, we need to increase the temperature by 16 °F to attain the same initial temperature of 0 °F.

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.