Answer:
68
Step-by-step explanation:
step 1.
4 + 9 = 13
step 2.
13 - 5 = 8
step 3.
8 + 60 = 68
Answer: C. 
Step-by-step explanation:
Given: The formula below can be used to find D, the difference in temperature between the pan and the room after t minutes.
At t= 8 minutes, we get
The approximate temperature of the pan after it has been away from the heat for 8 minutes=
Answer:
Identity of Division Multiplication
Step-by-step explanation:
I know the properties.
Take -5x + 3x = -2x
because there is a -3x and a 3x they cancel each other out.
and the -17 is left
-2x = -17
divide -2 by -17 = 8.5
Answer:
12/30
Step-by-step explanation:
So we know that the denominator-numerator=18
And we also know that it's equal to 4/10 or 2/5.
Soooooooooooooo the most easiest is just to trial and error: 12/30
But I don't really know the more complex formula...
