The error was on step 3, and she found the error on step 4.
Explanation: on step 3, the 12 was supposed to be a negative, but it wasn’t. So she solved it on step 4, and added the negative sign.
Answer:
Step-by-step explanation:
Circumference =π×diameter
30π=π×diameter
Diameter=30π÷π
Diameter=30in
Answer:
15/4
Step-by-step explanation:
3.4×9=30.6 8×5.6=44.8 7×1.2=8.4 30.6+44.8+8.4=83.8
Answer:
90?
Step-by-step explanation:
Im not sure how I did this, but i hope it helped!
