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Andreyy89
2 years ago
8

Chelsea dog-sits for her neighbors as a part-time job. She charges $12 a day plus an additional $2.50 for each walk she takes wi

th the dogs.
Determine which graph and which equation represent the amount of money Chelsea earns in one day, A, after taking wwalks with the dogs
Mathematics
1 answer:
11111nata11111 [884]2 years ago
5 0

The equation that represents the amount earned is y = 12 + 2.5x

<h3>How to determine the equation?</h3>

The given parameters are:

  • Chargers per day = $12
  • Charges per walk = $2.5 per walk

Let the number of walks be x and the total charges per day be y.

So, we have:

y = 12 + 2.5x

Hence, the equation that represents the amount earned is y = 12 + 2.5x

See attachment for the graph

Read more about linear equations at:

brainly.com/question/13763238

#SPJ1

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6 0
3 years ago
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How many ways can 4 candy bars be chosen from a store that sells 30 candy bars (combination)
Morgarella [4.7K]

Answer:

Using the combination formula:

Number of combination of r object chosen from the total object i.e n is given by:

\frac{n!}{r! \cdot (n-r)!}

As per the statement:

4 candy bars be chosen from a store that sells 30 candy bars

Number of candy bars chosen from a store that sells 30 candy bars(r)= 4

and

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then substitute in the given formula we have;

\frac{30!}{4! \cdot (30-4)!}

⇒\frac{30!}{4! \cdot (26)!}

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Simplify:

⇒\frac{657720}{24} = 27,405

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3 years ago
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VERY REGENT PLEASE HELP
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Hold up I’m finna help u
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Emma is ready to open a new checking account and is trying to decide between three banks using the chart below:
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where is the chart

Step-by-step explanation:

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Write an equivalent expression to present patricia total earnings this week 7h + 135 + 5h = ?h + ?​
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Answer: 12 h + 135

Step-by-step explanation: 7h +135 + 5h = ?h + ?​

                                             7h +5h +135  

                                            =12h +135

So u combine like terms together  which are 7h and 5h which gives you 12 h.And then you have 135 left,so you add 12h to 135.

Ps.If you don't know what like terms are.I will explain down below.

Like terms are  variable that are the same.For an example 4y and 3y are like terms .Another example is 1/3 xy and 6xy .

Hope this helps :) and if it does please give brainliest .

8 0
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