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cupoosta [38]
4 years ago
14

Write a function for the following real-world situation.

Mathematics
2 answers:
Sav [38]4 years ago
6 0
X = number of minutes Maria spends talking on the phone each month
y = Maria's monthly cost

If she talks for x minutes, at $0.01 per minute, then she is charged 0.01*x dollars for those x minutes. This is on top of the $39,99 as the flat fee (which is charged no matter how many minutes are used; even if Maria doesn't use her phone at all)

So that means we add 0.01*x to 39.99 to get 0.01*x+39.99
This expression is equal to y as it is the total cost for that month

Therefore y = 0.01*x+39.99 is the equation
If you want things in function notation, then you'd replace y with f(x) to get
f(x) = 0.01*x+39.99

Leto [7]4 years ago
3 0
Do what u got to do I don’t get it
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An inequality for x is less than 12
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Answer:

x < 12

Step-by-step explanation:

Note that the symbol for:

"less than" is <

"greater than" is >

"less than or equal to" is ≤

"greater than or equal to" is ≥

In this case, the question states that the variable "x" is less than 12. Set the equation: x < 12

x < 12 is your answer.

~

3 0
3 years ago
60+42.95x=25+49.95x please help
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Answer:

x=5

Step-by-step explanation:

7 0
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Marc decided to buy a set of 6 leather chairs for his dining room. He has decided to spend no more than $360. He receives coupon
Nookie1986 [14]
6(c-20)≤360  divide both sides by 6

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8 0
4 years ago
Please help me
Klio2033 [76]

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The computer's initial price was $500.

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I hope this helped! :)

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