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Helga [31]
3 years ago
6

Adam is selling tickets for a concert in the park. An adult ticket costs $8.50 and a child ticket costs $5.00. Adam sells x adul

t tickets and 15 child tickets. Which function ƒ(x) can be used to determine how much money Adam collected from selling tickets?
A) ƒ(x) = 8.50x + 5(15)
B) ƒ(x) = 8.50 + 5(15)x
C) ƒ(x) = x(8.50 + 5(15))
D) ƒ(x) = 8.50x + 5(15)x
Mathematics
2 answers:
allsm [11]3 years ago
8 0

Answer:

A) ƒ(x) = 8.50x + 5(15)

Step-by-step explanation:

the total money collected of the tickets is going to be the sum of the money collected by adults and the money collected by children.

The total money collected by adult tickets can be calculate as the multiplication of the unit cost of the tickets for adults and the total number of adults. So,

Adult cost = $ 8.50 * x

Where x is the number of adults who buy a ticket.

Additionally, The money collected for child tickets can be calculate as the multiplication of the unit cost of the child tickets and the total number of children. So,

Child cost = $ 5.00 * (15)

Finally, we are going to call f(X): the total money collected for the tickets. Then,

f(x)=$8.5x+5(15)

Elanso [62]3 years ago
6 0

Answer:

Answer is A

Step-by-step explanation:


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Answer:

increase

Step-by-step explanation:

  • Given data is: 71, 67, 67, 17, 69, 84, 21, 87

  • Arranging in ascending order we find: 17, 21, 67, 67, 69, 71, 84, 87

  • Here N = 8 (Even number)

  • N/2 = 4 and N/2 + 1 = 5

  • 4th term = 67, 5th term = 69

  • -> median = Sum of 4th and 5th term/2 = (67 + 69)/2 = 132/2 = 66

  • Now, when one of the 67 is replaced by 71, the new data set in ascending order will be: 17, 21, 67, 69, 71, 71, 84, 87

  • Here, 4th term = 69, 5th term = 71

  • New median = (69 + 71)/2 = 140/2 = 70

  • -> new median > initial median

CONCLUSION: Median will increase if the number 71 replaced one of the 67's in the set.

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2 years ago
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PtichkaEL [24]

You can find the slope either by just looking at the line or using the slope formula.

#1: The slope formula is:

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I will use (0, 2) and (1, -1)

(0, 2) = (x₁, y₁)

(1, -1) = (x₂, y₂)

m = \frac{y_2-y_1}{x_2-x_1}

m = \frac{2-(-1)}{0-1}   [two negatives cancel each other out and become positive]

m=\frac{2+1}{-1} =\frac{3}{-1}

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#2: To find the slope without having to do the work, you use this:

m=\frac{rise}{run}

Rise is the number of units you go up(+) or down(-) from each point

Run is the number of units you go to the right from each point

If we start at a defined/obvious point, like (0, 2), find the next point and see how many units it goes up or down and to the right. The next point is (1, -1), so from each point, you go down 3 units and to the right 1 unit. So your slope is -3/1 or -3. You can make sure the slope is right by looking at another point.

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nikklg [1K]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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The answer for this problem is 2 since it is not specified whether it is adjacent to the right or adjacent to the left.
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If the is adjacent to the left, the answer is:

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