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Serhud [2]
3 years ago
10

A gas station sells a coffee mug filled with coffee for $3. For each refill, using the same mug, the gas station charges $1.25 f

or the coffee. If y represents the total cost and x represents the total number of filled coffee mugs purchased, which function rule describes this pattern?
Mathematics
1 answer:
avanturin [10]3 years ago
3 0
Since the price of the coffee itself is $1.25, the gradient of the function will be 1.25 and will give a straight line. However, since the first cup of coffee costs $3, when extrapolated to x = 0, the price is 3 - 1.25 = $1.75 which indicates the cost of using the cup. Therefore this is the y-intercept. This can be expressed as a linear function of y = mx + c where y is the price, m is the gradient, x is the number of times the cup has been filled with coffee, and c is the price of using the cup, giving:
y = 1.25x + 1.75
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15.5 × [(2 × 2.4) + 3.2] – 24
scZoUnD [109]

Answer:100

Step-by-step explanation:

2 x 2.4=4.8

4.8+3.2=8.0

15.5 x 8.0=124.00

124.00-24=

100

6 0
3 years ago
Please help
Kisachek [45]

Answer:

1/2

Step-by-step explanation:

A coin has 2 sides, and it is flipped 3 times. 3 x 2 = 6. Each flip only has a head, so 3 flips would have 3 heads.

3/6 = 1/2

7 0
2 years ago
If all possible random samples of size n are taken from a population, and the mean of each sample is determined, the mean of the
NemiM [27]

Answer:

A. exactly the same as the population mean.

Step-by-step explanation: This demonstration illustrates Rule 1 of the Central Limit Theorem: The mean of the population and the mean of the sampling distribution of means will always have the same value. Thus, the sampling distribution of the mean will have a normal shape, even though the population distribution does not.

To calculate the mean, add up all the values and divide by the number of values. There are two types of arithmetic mean: population mean and the sample mean.

6 0
3 years ago
Emilio compro 3 bolitas y pago 180 en total. Carlos compro 4 bolitas y pago 200 en total ¿Quién pago menos por cada una de las b
aivan3 [116]

Answer:

emilio:

3 bolitas = 180

1 bolita = 60

carlos:

4 bolitas = 200

1 bolita = 50

carlos pago menos.

6 0
3 years ago
1) Explain to someone how you would do the problem -12 + 5. Explain to them how they would know if the final answer was going to
nadezda [96]

Answer:

1) -12 + 5 = -7 you just set it up and solve it like a regular problem and then to see if its a - or + we see what number was bigger so -12 is bigger then +5 so our answer is -7

2) 7 -3 + 15 - 2 - 3 + 6 so lets add up all the negative numbers and all the positive numbers so now we have + 28 - 8 so the we solve +28 - 8 = +20 again the sign goes with the bigger number!

Hope this helps!!! Good luck!!! ;)

3 0
3 years ago
Read 2 more answers
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