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Otrada [13]
3 years ago
12

Match the pairs of variables with the type of relationship they show.

Mathematics
1 answer:
STatiana [176]3 years ago
7 0

Answer:

1. increase in population and increase in jobless = causation

2. increase in snow fall and increase in personal income = no relationship

3. increase in literacy rate and increase in doctors = correlation

Step-by-step explanation:

1. people without jobs is CAUSED by a population spike

2. weather cannot affect your paycheck, so no relationship

3. more doctors means they scored higher on literacy, but it's iffy so correlation


Hope this helps :)

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A bag contains 5 blue balls, 4 red balls, and 3 orange balls. If a ball is picked from the bag at random, what is the probabilit
Marysya12 [62]

<u>Answer:</u>

  • There is a 41.7% chance that you got a blue ball.

<u>Step-by-step explanation:</u>

<u>Total number of blue balls/Total number of balls x 100 = Chance of getting a blue ball</u>

  • => 5/12 x 100
  • => 5/6 x 50
  • => 5/3 x 25
  • => 125/3
  • => 41.7

Hence, <u>there is a 41.7% chance that you got a blue ball.</u>

Hoped this helped.

BrainiacUser1357

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2 years ago
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4 0
3 years ago
-10.0-(-3.4)<br><br> also you have to simplify your answer
uysha [10]
-13.4 is the answer. And this is simplified form
4 0
3 years ago
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bryan has some 3 cent stamps and some 4 cent stamps. what is the least number of stamps he can combine so the value of the stamp
SashulF [63]

Answer:

The least number of stamps required is 9

Step-by-step explanation:

Let the number of 3 cent stamps be x and 4 cent stamps be y

We have

3x+4y=33

The minimum number is obtained when more  4 cent stamps are used

Here y cannot be greater than 8 since \frac{33}{4}

Substitute y=8

3x+4\times 8=33\\\\3x=1\\\\x=\frac{1}{3}

Not possible since x is not a fraction

Substitute y=7

3x+4\times 7=33\\\\3x=5\\\\x=\frac{5}{3}

Not possible since x is not a fraction

Substitute y=6

3x+4\times 6=33\\\\3x=9\\\\x=\frac{9}{3}\\\\=3

Possible

Hence minimum number of stamps is

=x+y\\\\=3+6\\\\=9

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2 years ago
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Answer:

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3 years ago
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