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3 years ago

Which line is the best model for the data in the scatter plot?

Mathematics

2 answers:

pashok25 [27]3 years ago

8 0

Answer:

Step-by-step explanation:I

The line in the option C is the best model for the data in the scatter plot. Since in this scatter plot the points above and below the line are equally distributed (i.e. there are 5 points above the line and 5 points below the line) whereas in the rest three graphs the distortion above and below the graph is unequal.

Gemiola [76]3 years ago

7 0

Answer:

the first one, it fits appropriately.

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Find X using the Angle Sum Theorem

sleet_krkn [62]

Answer:

x = 20°

Step-by-step explanation:

So when I learned it we called it the exterior angle theorem not the angle sum theorem but here goes.

Since exterior angle = 110 Degrees,

--> The Inner 2 angles's sum = 110 Degrees

so, 70 + 2x = 110

=> 2x = 40

x = 20

x = 20°

<u>Hope this helps!</u>

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3 years ago

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3 years ago

Nina has $245 in 5-dollar bills and 10-dollar bills. She has ten more 5-dollar bills than 10-dollar bills. How many of each type

Oksana_A [137]

Answer:

Number of 5 dollar bills = 23

Number of 10 dollar bills = 13

Step-by-step explanation:

Let number of 5 dollar bills be x

and the number of 10 dollar bills be y

Total $245, means we can write:

5x + 10y = 245

Ten more 5 dollar bills than 10 dollar bills, means:

x - 10 = y

Now we substitute 2nd equation in first and solve for x:

$5x + 10y = 245\\5x + 10(x-10) = 245\\5x+10x-100=245\\15x=345\\x=23$

Also,

y = x - 10

y = 23 - 10 = 13

So there are 23 5-dollar bills and 13 10-dollar bills

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4 years ago

When solving an equation, Drew's first step is shown below. Which property justifies Drew's first step?

dezoksy [38]

Answer:

Step-by-step explanation:

He starts off by distributing the 5 to the x and to the other 5.

This would be Distributive Property

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iren [92.7K]

Answer:

x=8,-9

Step-by-step explanation:

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