He would have played the cello for 7 hours and 30 minutes because 4 hours would be 6 hours of the cello and then he only did one more hour so you split 3 in half and that makes it an hour and a half. So the answer is 7 hours 30 minutes
Answer:
x = 11-1 = 10
Step-by-step explanation:
pls mark as brainliest
Answer:
-14400
Step-by-step explanation:
6/2 (-75*4³)=-14400
4³=64
6/2(-75*64)
6/2(-4800)
3(-4800)=-14400
Hmmm.... I’m afraid I don’t understand.
Answer:
Step 2 has the error
1. The whole number (20) was left out
2. Adding different signs, we subtract and retain the sign from the larger number
Correction:
Step 2: 20 - 17x = 34x + 60
Step 3: -17x -34x = 60 - 20
Step 4: -51x = 40
Step 5: x = 40/-51
