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Alenkasestr [34]
3 years ago
6

Write the slope-intercept form of the line that passes through the given point with the slope m. Through (3, 5) , m = -3/8

Mathematics
1 answer:
USPshnik [31]3 years ago
6 0

Answer:

I think this is my best solution for your question

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Please answer this math question.
Elenna [48]

Answer:

C

Step-by-step explanation:

The technical probability of rolling any number on a standard die is 1/6 because there's six numbers. Based on that, since he rolled a "4" on 5 tosses, it seems likely that it's 30 times, because 1/6 of 30 is 5. I haven't done probability in awhile but if I remember correctly that should be right

5 0
3 years ago
What is the slope form equation?
CaHeK987 [17]

Answer:

y= mx +c

Step-by-step explanation:

The point- slope form of an equation is

y= mx +c, where m is the gradient and c is the y-intercept.

You can find the value of m by using the gradient formula.

gradient =  \frac{y1 - y2}{x1 - x2}

Then substitute the value of m found into the equation. Next substitute a pair of coordinates the line passes through to find the value of c. Substitute the value of c and you will obtain the point-slope form equation of the line.

<u>Here's an example.</u>

Point-slope form of an equation passing through (1, 2) and (5, 6).

① Finding gradient, m.

m =  \frac{6 - 2}{5 - 1}  \\ m =  \frac{4}{4}  \\ m = 1

② Substitute value of m into equation.

y= 1x +c

y= x +c

③ Substitute a pair of coordinates.

when x=1, y=2,

2= 1 +c

c= 2 -1

c= 1

Thus the equation of the line is y= x +1.

5 0
3 years ago
Read 2 more answers
Some types of algae have the potential to cause damage to river ecosystems. Suppose the accompanying data on algae colony densit
kondor19780726 [428]

Answer:

The equation of the regression line is:

y~=~234.56158 ~-~ 2.95835 \cdot x

Step-by-step explanation:

The Least Squares Regression Line is the line that makes the vertical distance from the data points to the regression line as small as possible. It’s called a “least squares” because the best line of fit is one that minimizes the variance.

We have the following data:

\begin{array}{c|ccccccccc}X&50&55&50&79&44&37&70&45&49\\Y&152&48&22&35&43&171&13&185&25\end{array}

To find the line of best fit for the points:

Step 1: Find X\cdot X and X\cdot Y as it was done in the table

Step 2: Find the sum of every column:

\sum{X} = 479 ~,~ \sum{Y} = 694 ~,~ \sum{X \cdot Y} = 32784 ~,~ \sum{X^2} = 26897

Step 3: Use the following equations to find a and b:

\begin{aligned}        a &= \frac{\sum{Y} \cdot \sum{X^2} - \sum{X} \cdot \sum{XY} }{n \cdot \sum{X^2} - \left(\sum{X}\right)^2} =             \frac{ 694 \cdot 26897 - 479 \cdot 32784}{ 9 \cdot 26897 - 479^2} \approx 234.56158 \\ \\b &= \frac{ n \cdot \sum{XY} - \sum{X} \cdot \sum{Y}}{n \cdot \sum{X^2} - \left(\sum{X}\right)^2}        = \frac{ 9 \cdot 32784 - 479 \cdot 694 }{ 9 \cdot 26897 - \left( 479 \right)^2} \approx -2.95835\end{aligned}

Step 4: Assemble the equation of a line

\begin{aligned} y~&=~a ~+~ b \cdot x \\y~=~234.56158 ~-~ 2.95835\cdot x\end{aligned}

The graph of the regression line is:

5 0
4 years ago
Pleaaaaaaaaaase help please please please
gizmo_the_mogwai [7]

Answer:

y = x - 2

Step-by-step explanation:

Using any two points to find the slope.    I will using (3, 1) and (7, 5)

Slope = (change in the y values)/(change in the x values)

Slope =  (5 - 1)/(7 - 3) = 4/4  = 1

Next find the y -intercept "b", using the table to find the value of y when x is zero. That point is (0, -2) . So the y-intercept ("b")  is -2

or  use one of the point (7, 5) and substitute into the slope- intercept formula and solve for "b'

y = mx + b

5 = 1(7) + b

5 = 7 + b

-2 = b

Write the equation in the slope-intercept form y = x - 2

5 0
3 years ago
Write the equation in slope-intercept form.<br> 5x + 3y = 11
pshichka [43]

Answer:

y = -5/3 x + 11/3

Step-by-step explanation:

5x +3y = 11

3y = 11 - 5x

y = -5/3 x + 11/3

8 0
3 years ago
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