If the first term was n=0, it would be -27+xn (with x being a number). Seeing how it goes down by 9 every time, we would have -27-9n. However, there is no option for this, so it would be wrong and we move on to the first number being x=-1. Since it goes down by 9 every time you go up, if you go down to x=0 you add 9 to go to -18. The pattern is still there, so it's -18-9n
Amanda and Alexis live 4 miles apart. They decide to start walking toward each other’s houses at the same time. Amanda walks at a rate of 3.5 miles per hour and Alexis walks at a rate of 4 miles per hour. How long will it take for them to meet? Round to the nearest hundredth of an hour. [Remember: D = (r)(t)]
Answer – o.53 hours
D = (r)(t), Where
‘D’ is the distance covered
‘r’ is the approach rate
‘t’ is the total time spent
Distance covered, ‘D’ = 4 miles
Approach rate, “r” = 3.5mph + 4mph
r = 7.5mph.
t is unknown
Solving for t,
D = (r)(t)
4 = 7.5t
t = 4/7.5
t = 0.53 hours (to the nearest hundredth)
Therefore, it will take Amanda and Alexis 0.53 hours to meet
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Answer:
The variable p is the independent variable.
The number of hours spent reading causes a change in the number of pages read.
The variable p is the dependent variable.
Step-by-step explanation:
Those are the ones that are correct
Answer:
2.26
Step-by-step explanation: