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Kipish [7]
3 years ago
15

A restaurant investigated the correlation between prices and the number of customers. The linear model below represents this sit

uation, where x is the average meal price [in dollars], and y is the number of daily customers. Interpret the slope. A. The average number of daily customers is 18. B. The average price per meal is $18. C. If the average meal price decreases by $1, the number of daily customers decreases by 18. D. If the average meal price increases by $1, the number of daily customers decreases by 18.
Mathematics
1 answer:
enot [183]3 years ago
4 0

Answer: correct answer is D

That is, If the average meal price increases by $1, the number of daily customers decreases by 18.

Step-by-step explanation:

Given that the linear model below represents this situation, where x is the average meal price (in dollars), and y is the number of daily customers.  Interpret the slope.

y = 437 - 18x

Since x = the average meal price.

and

y is the number of daily customers.

Let x = 1

Y = 437 - 18 = 419

If x = 2 then

Y = 437 - 36 = 401

The difference between the number of daily customers is

419 - 401 = 18

Therefore, If the average meal price increases by $1, the number of daily customers decreases by 18.

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Answer:

32

Step-by-step explanation:

1. If you take 12 balls, 9 could be yellow and 3 could be red. We want at least 12 of the same color, so 30 balls isn't a good minimum

2. If you take 30 balls, 9 could be yellow, 10 could be red and 11 could be green.  We want at least 12 of the same color, so 30 balls isn't a good minimum.

3. If you take 31 balls, 9 could be yellow, 11 could be red and 11 could be green.  We want at least 12 of the same color, so 31 balls isn't a good minimum.

4. If you take 32 balls, 9 could be yellow, 11 could be red and 12 could be green or 9 could be yellow, 12 could be red and 11 could be green or 7 could be yellow, 13 could be red and 12 could be green or 9 could be yellow, 11 could be red and 12 could be green.

We want at least 12 of the same color, and we have it from the different samples of the 4th trial.

So, 32 balls is the minimum number of balls

8 0
3 years ago
ella bought some key chains. if she paid 24$ for the key chains and each one cost the same wbole-dollar amount, how many could s
Rainbow [258]
You could buy 6 keychains spending 4 dollars each. 6 * 4 = $24.
7 0
3 years ago
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What are the next three terms in the sequence 2,-3,-6,18,
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Hope i helped :)
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Kate took all the change she had and went shopping for a used skateboard.she had 185 quarters 370 dimes 216 nickels 135 pennies
maks197457 [2]

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8 0
3 years ago
Use angle difference identity to find the exact value.
Otrada [13]
Hello,

1)
tan (a-b)=(tan a - tan b)/(1+tan a tan b)

15=45-30
tan 45°= (√2/2)/(√2/2)=1
tan 30°=(1/2)/(√3/2)=√3/3
tan (45°-30°)= (1-√3/3)/(1+1*√3/3)=(3-√3)/(3+√3)=(3-√3)²/6=2-√3

tan (-105°)=tan (75°)= tan (60°+15°)=(tan 60+tan15°)/(1-tan 60°*tan 15°)

tan 15°=2-√3
tan 60°=√3°
tan (-105°)=(√3+2-√3)/(1-√3*(2-√3))=2/(1-2√3+3)=1/(2-√3)=2+√3

8 0
3 years ago
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