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Darina [25.2K]
3 years ago
12

At a high school movie night, the refreshments stand sells popcorn and soft drinks. Of the 100 students who came to the movie, 6

2 bought popcorn and 47 bought a drink. 38 students bought both popcorn and a drink.
Are buying a drink and buying popcorn independent or dependent events? Justify your answer.
Mathematics
2 answers:
RUDIKE [14]3 years ago
7 0
Independent events. Someone does not have to buy popcorn to buy a drink and someone does not have to buy a drink to buy popcorn.
gulaghasi [49]3 years ago
6 0

Answer: Buying a drink and buying popcorn are independent events.

Step-by-step explanation:

Independent events are referred to as events whose occurrence does not affect the occurrence of another event.

In the case of this question, 62 bought popcorn while 47 bought a drink.

This means that the buying of popcorn by a student does not mean buying of a drink. It does not affect each other.

I hope this helps.

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If you are solving the equation by factoring, which of the following equations would you use the zero product property on?
Artist 52 [7]

Answer:

(x + 5)(x + 10) = 0

Step-by-step explanation:

When you solve for the equation: \frac{1}{x-4}-\frac{14}{x+2}+1=0, you get that the answer is x=10,\:x=5.

<em>Hope this helped!!</em>

8 0
3 years ago
Help me wit dis plz for for 20 points​
Alisiya [41]

Answer:

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5 0
3 years ago
Susie leaves to go shopping driving 45 miles per hour toward the Happy Shopper Grocery Store.
mafiozo [28]

Answer:

Susie reaches the store first being ahead by 0.06 hours.

Step-by-step explanation:

20 miles going 45 miles/hour.

20 miles / (45 miles / hour) = 20 miles hours / 45 miles =

= 20 hours / 45 = 4/9 hours = 0.44 hours

25 miles going 50 miles/hour.

25 miles / (50 miles / hour) = 25 miles hours / 50 miles =

= 25 hours / 50 = 1/2 hours = 0.5 hours

So Susie needs less time (= arrives first).

the difference is 0.5 - 0.44 = 0.50-0.44 = 0.06 hours

as additional practice :

0.06 hours is 60 × 0.06 minutes.

60 × 0.06 = 60 × 6 / 100 = 360 / 100 = 3.6 minutes.

6 0
3 years ago
5) What is the value of n in the picture?<br> 3n<br> n 14<br> A) 19<br> B) 33<br> C) 57<br> D) 41.5
svetoff [14.1K]
Ok. because those two angles are sumplimentary, (they equal 180 degrees) we can set up an equations.
3n+n+14=180

then isolate the variable
4n+14=180 
     -14   -14
4n=166

then divide to undo the multiplication

4n=166
---   ----
4      4
 
n=41.5

4 0
3 years ago
Read 2 more answers
Description of how a diagram<br> can help you solve 2 x 40.
Gwar [14]

Answer:

2 x 40 is = 80

Step-by-step explanation:

i hope that helps

5 0
3 years ago
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