lizethyyaritza16
21.10.2020 •
Mathematics
Answer the following questions based on this word problem:
The Beck family is planning on renting a car for their vacation. The two rental car companies have
different pricing plans.
Company A is $0.10 per mile and $25 a day.
Company B is $0.05 per mile and $40 a day.
Let x represent the number of miles and y represents the cost. They are only renting the van for 1 day.
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Ответ:
Step-by-step explanation:
A: $0.1(x) + 25(y) = x + 25
B: $0.05(x) + $40(y) = x + 40
Because they didn't give a certain amount of miles traveled, we have to go with we do know.
**this is probably wrong.
Ответ:
All the numbers from the replacement set {-1, 0, 1} is also a member of the solution set for the equation: -3m + 8 <26+ m .
Step-by-step explanation:
We have , the numbers from the replacement set {-1, 0, 1} is also a member of the solution set for the equation: -3m + 8 <26+ m . Let's check number by number:
For {-1} :
substituting value of -1 in inequality -3m + 8 <26+ m
⇒ -3m + 8 <26+ m
⇒
⇒
⇒
⇒ . True , so {-1} is a member of the solution set for the equation: -3m + 8 <26+ m
For {0} :
substituting value of 0 in inequality -3m + 8 <26+ m
⇒ -3m + 8 <26+ m
⇒
⇒
⇒ . True , so {0} is a member of the solution set for the equation: -3m + 8 <26+ m
For {1} :
substituting value of 1 in inequality -3m + 8 <26+ m
⇒ -3m + 8 <26+ m
⇒
⇒
⇒
⇒ . True , so {1} is a member of the solution set for the equation: -3m + 8 <26+ m