Hope this helps! Don't flip the sign at the end when you divide because it's a positive number being divided. Only flip when it's a negative number. Any questions comment!
Answer:
90.2mm
Step-by-step explanation:
find the circumference and divide by two then add the two sides
circumference= 2πr=2π(16)
100.48/2= 50.24
50.24+20+20=90.24mm then round to 90.2
Answer:
303.2 cubic inches
Step-by-step explanation:
20.6in × 3.8in ×2.9in + 3.7in × 7.1in × 2.9in
= answer
Answer:
nine divided by 2 plus negative eight
Step-by-step explanation:
9/2=4.5
4.5+(-8)= -3.5