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Papessa [141]
3 years ago
10

Someone please help me with this...

Mathematics
2 answers:
Delvig [45]3 years ago
8 0

Answer:

The total number of points you score is dependent variable Because it change when x is change.

The number of question you answer correctly is independent variable Because it can change itself when you got more correct answers.

Alja [10]3 years ago
7 0
The top put a dot for dependent variable,
The bottom put independent variable.

Hope this helps!
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g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers
wolverine [178]

Answer:

1006

Step-by-step explanation:

Take proportion, p = 62%

n = (Z² * pq) / M.E²

Margin error = 0.03

p = 62% = 0.62

q = 1 - p = 1 - 0.62 = 0.38

Zcritical at 95% = 1.96

n = (1.96² * (0.62*0.38)) / 0.03²

n = 0.90508096 / 0.0009

n = 1005.6455

n = 1006

Sample size = 1006

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3 years ago
A kennel has 40 dogs and 10 cats. What is the ratio of cats to ALL of<br> the animals?
lora16 [44]

Answer:

1:5

Step-by-step explanation:

6 0
3 years ago
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4) Adult tickets for the evening show at XD Theater are $11 and children's tickets are $Belf the theater seats 250 people, how m
kozerog [31]

Omitted value: The price of children ticket was omitted in the question, so i used $8 to solve. You can input the correct value and solve the same way following the steps.

Answer: 100 adult tickets  must be sold.

Step-by-step explanation:

step 1

let  x represent Adults

AND y represent children

Since the theater seats 250 people we have that

x+y = 250..... equation 1

Also price for Adult ticket = $11

and  price children ticket =$8

With total sales at $2,300, we have that

11x + 8y= 2300----- equation 2

Step 2

Making y subject in equation 1

' x+y = 250

y= 250-x

Putting y= 250- x in equation 2

11x + 8(250-x)= 2300

11x +2000-8x= 2300

11x -8x = 2300-2000

3x= 300

x 300/3

x= 100.

To find y

 x+y = 250

100+y=250

y=250-100

y=150

Therefore 100 adult tickets and 150 children tickets must be sold to get a total sales of $2,300

5 0
3 years ago
The sum of 75 and twice a number is 219. Find the number
Lera25 [3.4K]

Answer:

12

Step-by-step explanation:

219-75=144

144%2=12

4 0
3 years ago
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Which value of a would make the following expression completely factored?<br><br> x2 – a
tigry1 [53]

Answer:

a = 4.

Stepby-step explanation:

x^2 - 4 = (x + 2)(x - 2).

8 0
3 years ago
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