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makkiz [27]
3 years ago
6

Note: Your teacher will grade your response to ensure that you receive proper credit for your answer. The cost of a telephone ca

ll is $0.75 + $0.25 times the number of minutes. Write an algebraic expression that models the cost of a telephone call that lasts t minutes.
Mathematics
2 answers:
Contact [7]3 years ago
6 0
0.75+0.25t

because 0.75 is the flat rate of the amount of money it takes to make a call... and 0.25t is how much money it will take based on how long the call us.

t= the number of minutes
Mnenie [13.5K]3 years ago
5 0

Answer:

0.75+0.25t

Step-by-step explanation:

simple algebra

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What is the Slope of this equation?<br><br> y=-6/5x-5
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Answer:

Slope = - 6/5

Step-by-step explanation:

Step 1:

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Step 2:

m = Slope

Step 3:

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Answer:

Slope = - 6/5

Hope This Helps :)

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3 years ago
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The sum of the digits of a two-digit number is 9. If the digits are reversed,the new number is 9 more than the original number.F
hodyreva [135]

Answer:

45

Step-by-step explanation:

Let the original number be xy where y is unit and x is tens hence original number is 10x+y When reversed, the new number is yz hence 10y+x

We know that the original number plus 9 is the reversed number hence

10x+y+9=10y+x

9y-9x=9 which when simplified we obtain that

y-x=1 equation 1

Originally, we are told that the sum of x and y is 9 hence

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Solving equation 1, it means y=x+1

Substituting the above into equation 2

x+1+x=9

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Since y=x+1 then y=4+1=5

Therefore, the original number, xy is 45

4 0
3 years ago
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