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3 years ago

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

Mathematics

1 answer:

Levart [38]3 years ago

6 0

Answer:

Bottom left corner

Step-by-step explanation:

This is because that the graph at the bottom has the dots scattered equally with one near the lone of best fit which means that it'll show better accuracy.

Hope this helps :)

Have a nice day!!!

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If a triangle has a height of 14 inches and a base of 9 inches what's the area

enot [183]

area = 1/2 x h x b

14*9 = 126

126/2 = 63 square inches

4 0

3 years ago

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What is the equation in point -slope form of a line that passes trough the points (3,-5) and (-8,4)

Ilia_Sergeevich [38]

Answer:

The equation in point - slope form of a line that passes through the points (3,-5) and (-8,4) is: y-(-5) = -(9/11) (x-3) or y+5 = -(9/11) (x-3)

Step-by-step explanation:

P1=(3,-5)=(x1,y1)→x1=3, y1=-5

P2=(-8,4)=(x2,y2)→x2=-8, y2=4

Equation in Point-Slope Form: y-y1=m(x-x1)

Slope: m=(y2-y1)/(x2-x1)

Replacing the known values:

m=[4-(-5)] / (-8-3)

m=(4+5) / (-11)

m=(9) / (-11)

m=-(9/11)

Equation in the point - slope form:

y-(-5) = -(9/11) (x-3)

y+5 = -(9/11) (x-3)

8 0

3 years ago

There are 207 students in 9 classes at this rate how many are in 6 classes

soldi70 [24.7K]

There would be 138 students in 6 classes because first you'd divide 207 from 9 and get 23 then you'd multiply 23 to 6 and get 138.

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3 years ago

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Factor -24a3b3c3 - 84a4b2c.

My name is Ann [436]

The answer is B. It’s not too difficult

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3 years ago

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Let a, b, c, and d be real numbers with a, c 6= 0. Prove that the lines y = ax+b and y = cx + d have the same x-intercept if and

Monica [59]

Step-by-step explanation:

We have got the lines :

$y=ax+b\\y=cx+d$

Both lines intercept the x-axis in the point :

$I = (i_{1} ,i_{2})$

In all point from x-axis the y-component is equal to 0.

$I=(i_{1},o)$

We replace the I point in the lines equations:

$0=a(i_{1})+b \\0=c(i_{1})+d$

From the first equation :

$0=a(i_{1})+b \\-b=a(i_{1})\\i_{1}=\frac{-b}{a}$

From the second equation :

$0=c(i_{1})+d\\ -d=c(i_{1})\\i_{1}=\frac{-d}{c}$

Then $i_{1}=i_{1}$

Finally :

$\frac{-b}{a}=\frac{-d}{c} \\\frac{b}{a}=\frac{d}{c} \\ad=bc$

y = ax + b and y = cx + d have the same x-intercept ⇔ad=bc

8 0

3 years ago