Answer:
5 4/9
Step-by-step explanation:
2 1/9 + -2/9 +3 5/9
= (2 1/9 +3 5/9) -2/9
= 5 6/9 - 2/9
= 5 4/9
Answer: C. Engine life decreases steady with time.
Step-by-step explanation:
Answer:
2/3
Step-by-step explanation:
Since the length increases by 0.5 cm every second, after 8 seconds the length will increase by 4 cm. 12 + 8 + 12 + 8 = 40, and 40 - (16 + 16) = 8. 8/2 = 4, so the width is now 4. 16 * 4 = 64, and 12 * 8 = 96. 64/96 = 2/3.
Answer:
Step-by-step explanation:
2√5*√19=2√95≈19.494≈19.49≈19.5
if you want exact then 2√95
if three decimal places then 19.494,if two decimal places then 19.49 ,if one decimal place then 19.5