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irakobra [83]
3 years ago
9

Which relations represent functions?

Mathematics
2 answers:
dmitriy555 [2]3 years ago
5 0
The first one in the picture is correct
Leokris [45]3 years ago
3 0

Answer:r

Step-by-step explanation:

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Find the slope of the line through each pair of points. Show work please (7,9), (-2, 19)
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Answer:

7x9=63 - 2x19=38

Step-by-step explanation:

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Solve with quadratic formula or factor square 2x to the 2nd power -x =3
BabaBlast [244]

Answer:

Step-by-step explanation:

2x²-2x=3

2x²-2x -3 = 0

note :

the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :

Δ = b² -4ac

1 )  Δ > 0  the equation has two reals solutions : x =  (-b±√Δ)/2a

2 ) Δ = 0 : one solution : x = -b/2a

3 ) Δ < 0 : no reals solutions

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4 years ago
Rate = 45 mph time=4 hours distance =
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<em>180 miles</em>

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Distance = mph * hours

Distance = 45 mph * 4 hrs

Distance = 180 miles

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3 0
3 years ago
The following is a scatterplot of the percent of children under age 18 who are not in school or in the labor force vs. the numbe
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Answer:

Extrapolation

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From the linear regression plot created in the picture given, se could see that Tha percentage of student covered by the the plot is just above 16%. Therefore, to predict the percentage of the number of juvenile violent crime arrests would be in a state if 25% of children are not in school or in the labor force will require us to assume that the current trend continues into the future. Hence, we use the information and indications we have at present to make prediction into the future based on the assumption that we the current trend will remain relevant and applicable. This assumption into the future based on current trend is called EXTRAPOLATION.

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3 years ago
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Darina [25.2K]
THE ANSWER IS B CAUSE 7X7=49 AS WELL
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3 years ago
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