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3 years ago

What it means to have a correlation in a scatterplot

2 answers:

7 0

Scatter plots are similar to line graphs in that they use horizontal and vertical axes to plot data points. However, they have a very specific purpose. Scatter plots show how much one variable is affected by another. The relationship between two variables is called their correlation .

-BARSIC- [3]3 years ago

4 0

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a bottle of tomato juice contains 247.5 mg of vitamin C and has 5.5 servings. A bottle of grape juice contains 258 mg of vitamin

wolverine [178]

Tomato juice 237.5 / 5.5 = 45 mg
Grape juice 258 / 3 = 86 mg

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3 years ago

Evaluate 6+x when x=3 ??

Sav [38]

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3 years ago

Jack is 5 times younger than her mother. In 6 years, Jack will be three times younger than her mother. How old is each now?

Alex73 [517]

Answer:

Jack is 6 and Mom is 30

Step-by-step explanation:

J = Jacks age

M = Mom's age

5J = M

In 6 years, so add 6 to the age

3(J+6) = (M+6)

We have a system of 2 equations and 2 unknowns

Lets simplify the 2nd equation

3(J+6) = (M+6)

3J + 18 = M+6

Substituting M =5J

3J + 18 = 5J +6

Subtract 3J from each side

3J-3J + 18 = 5J-3J +6

18 = 2J+6

Subtract 6 from each side

18-6 = 2J+6-6

12 = 2J

Divide each side by 2

12/2 = 2J/2

6=J

Jack is 6

We still need to find Mom's age

M = 5J

= 5*6

=30

Mom is 30

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3 years ago

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Roman55 [17]

Equal to. the units cancel out and theyre reciprocals

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3 years ago

Find the measure of each angle indicated

Vlada [557]

Answer:

120

Step-by-step explanation:

50+70=120
120
120
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3 years ago