Answer: -43/20
Step-by-step explanation: you just need a college calculator to solve ,you need to just plug the numbers and it will do it for you.
Answer:
16) 18.5 hours
Step-by-step explanation:
40gifts = 5hrs
40/5 = 8
8gifts = 1hr
148/8 = 18.5
In 18.5 hours, 148 gifts are wrapped.
hope this helps and is right. p.s. i really need brainliest :)
Answer:
√7
Step-by-step explanation:
2/5, 0.404040 and 0.286 are all rational as they all can be expressed in fraction form (0.4040 can be expressed as 40/99 and 0.286 as 286/1000 (can simplify but I didn't)) sqrt7 is the only irrational number.
n² - 4n = 0
n(n) - n(4) = 0
n(n - 4) = 0
n = 0 or n - 4 = 0
+ 4 + 4
n = 4
Solution Set: {0, 4}
