the answer is option e. *answer needs to be 20 characters long this should do :)
Answer:
23 + 16 = 39
39 - 16 = 23
the student did not reverse the sum correctly
Answer:
1) z - 42
2) 11k
3) t + 70
4) 43/m
5) w + 64
6) j - 100
7) g + 9
8) h - 17
9) 0.25v
I believe all of these are correct.
Answer:
D/T - 16 KM/ 0.25hours = 64 KM/H
Step-by-step explanation:
I'm assuming that you want to know how many hours until they are the same temperature. Here is the equation you can use to figure it out:
40 + 5h= 340-45h
Here is how I would solve it:
40+ 5h= 340 - 45h
+45 h + 45 h
40+50h= 340
-40 -40
50h= 300
/50 /50
h= 6
It will take 6 hours for the two appliances to reach the same temperature, assuming the power doesn't go out. For reference, they would be at 80 degrees.