Answer:
C is correct.
Step-by-step explanation:
Khan Academy said so.
What you have to do is add them all!
20 bar
11.4 2 11.4 weights
11.4
4.5 2 4.5 weights
4.5
450.0 4 450 weights
450.0
450.0
+450.0
---------
1.8
10
200
+1,600
--------------
1,811.8 is the answer
Both are irrational. i hope this helps!
a
7
because 4a + 7 - 7
35 - 7
equals 4a
28
and 4a/4
28/4
equals a
7
Answer:
0.8 kilowatt/hour
Step-by-step explanation:
divide 4/5, gives you .