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Katarina [22]
3 years ago
9

What is the average rate of change between:

Mathematics
1 answer:
Lynna [10]3 years ago
7 0

Answer: See bolded below

Step-by-step explanation:

Average rate of change is the slope. To find that, we would need the equation m=\frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }.

<u>Reminder: The scale fo the graph goes by 2. You need to make sure you are looking at the right coordinates.</u>

1. The coordinate points are (1, 2) and (2, 4).

m=\frac{4-2}{2-1}=\frac{2}{1} =2

The average rate of change is 2.

2. The coordinate points are (2, 4) and (3, 8).

m=\frac{8-4}{3-2} =\frac{4}{1} =4

The average rate of change is 4.

3. The coordinates are (3, 8) and (4, 16).

m=\frac{16-8}{4-3} =\frac{8}{1} =8

The average rate of change is 8.

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At the movie theatre, child admission is $5.30 and adult admission is $9.70. On Wednesday, 156 tickets were sold for a total sal
serious [3.7K]

Answer:

The number of adult tickets are 57.

Step-by-step explanation:

Given,

Total number of tickets = 156

Total money = $1077.60

Solution,

Let the number of adult be x and of child be y .

So, Total number of tickets = Number of adults + Number of child

\therefore x+y = 156\ \ \ \ \ \ equation\ 1

Now, according to question;

Total money = Number\ of\ adults\times admission\ fee + Number\ of\ child\times admission\ fee

\therefore x\times 9.70+y\times 5.30 = 1077.60\ \ \ \ \ \ equation\ 2

On multiplying by 10 on both side, we get;

97x+53y=10776\ \ \ \ \ \ equation\ 3

Now multiplying equation 1 by 53 then subtract it from equation 3, we get;

(x+y)\times53 = 156\times53\\53x+53y=8268\\(97x+53y=10776)-(53x+53y=8268)\\44x=2508\\x=\frac{2508}{44} =57

Since x is the  number of adults,

Number of adults=57

Number of child = y = 156-57=99

Thus the number of adult tickets are 57.

7 0
3 years ago
Barry’s bagel emporium sells a dozen bagels for $5.00. this price is no longer high enough to create a profit. the owner decides
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<span>Plan B: Raise the price by 10 percent each week until the price reaches $8.00. - I'd say this plan is the correct one</span>
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Answer:

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Step-by-step explanation:

if you could give me a brainliest.

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Find the distance between (6, 0) and (10, 3).
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A 5 units I believe
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2 years ago
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