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VladimirAG [237]
3 years ago
13

The cell phone company that Laura uses charges $40.00 per month for 500 minutes and $0.40 per minute for every minute over 500 m

inutes. Laura's cell phone bill for August was $73.60. In
September, the cost per minute for every minute over 500 minutes was changed to $0.30 per minute. If Laura uses the same number of minutes in September as she did in August, what will her
total cell phone bill be in September?
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

Laura's cell phone bill for September is $65,20

Step-by-step explanation:

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x=-3

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After a hike, a group of s students equally share 5 boxes of granola bars. Each box has 8 granola bars. Which algebraic expressi
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40/s

Step-by-step explanation:

Number of granola boxes = 5

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Total number of granola bars / number of students

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there are $3.90 worth of nickles and quarters in a piggy bank. there are 6 more quarters than nickels. how many coins are in the
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Step-by-step explanation:

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3 years ago
What is not a description of slope?
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Answer:

Option (d) is wrong.

Step-by-step explanation:

Slope is:

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It can be given by mathematically as follows :

m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{and}\\\\m=\dfrac{dy}{dx}

Hence, the option which is not a description of slope is (d) "the ratio of horizontal change compared to vertical change"

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elena-s [515]

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x = y + v/b

Step-by-step explanation:

You can solve for x by adding v/b to both sides since that is what will isolate x the quickest and that is what you want to do when you need to solve for something.

By adding v/b to both sides, you will end up with x=y+v/b and that’s your answer!

Hope this helps!

(Credit to math-way)

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