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inna [77]
3 years ago
7

Helppppppppppppppppppppppppp

Mathematics
1 answer:
Damm [24]3 years ago
3 0
Slope formula is 

\frac{y2-y1}{x2-x1}
\frac{5-1}{-2-3}
\frac{4}{-5}

So -4/5 is the right answer.

Hope this helps :)
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6. Ava had a rough day on the stock market. Her stocks dropped in value to
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420,000

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If 140,000 is \frac{1}{3} of what she had yesterday, then you just multiply the number by 3 because \frac{1}{3} times 3 is \frac{3}{3}, which is 1.

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Ethan sold 2 3 gallon of lemonade. Kayla sold some lemonade too. Together, they sold 1 1 4 gallons. Who sold more lemonade, Etha
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Step-by-step explanation:

Ethan sold 2/3 gallon of lemonade.

Kayla sold some lemonade too.

Together they sold 1 1/4 gallons.

Subtract 2/3 from 1 1/4 as follows :

S=1\dfrac{1}{4}-\dfrac{2}{3}\\\\=\dfrac{5}{4}-\dfrac{2}{3}\\\\=\dfrac{7}{12}

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A researcher posts an online advertisement offering $25 in exchange for participation in a short study. The researcher accepts t
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What is the equation for the linear model in the scatter plot obtained by choosing the two points closest to the line?
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Answer:

Option C is the answer.

Step-by-step explanation:

To find the equation of the straight line equation i.e, we must be given with the two points \left (x_{1},y_{1} \right ) and \left (x_{2},y_{2}\right )

Since from the graph the two points closest to the line are\left ( 10,36 \right ) and \left ( 22,12 \right ).

Equation of line with two points closest to the line :

                                                    y-y_{1}=m\cdot \left ( x-x_{1} \right )

where m is the slope.

First we find the slope(m)=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}  

m=\frac{12-36}{22-10}

on simplify we get,  m=-2.

Now, to find  the equation of the line:  y-y_{1}=m\cdot \left ( x-x_{1} \right )

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Apply distributive property on right hand side, we get

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Adding both sides by 36, we get

y=-2x+20+36

y=-2x+56.

The equation for the linear  model in the scatter plot obtained by the two closest point \left ( 10,36 \right ) and \left ( 22,12 \right ) closest to the line is,

y=-2x+56










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