1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kenny6666 [7]
2 years ago
6

Please help me this is 7th grade math all you have to do is find the slope for the graph if it is right i will give you brianlie

st

Mathematics
2 answers:
alexandr1967 [171]2 years ago
5 0

Answer:

-10/2 or -5 for the slope

Step-by-step explanation:

rise over run: it's going down 10 and over 2 or

for every 5 down it goes 1 over

kumpel [21]2 years ago
5 0
-10/2 or -5 for the slope
You might be interested in
If f(x)= 3x-8, and f(x)=-17, find x.​
Anni [7]

Answer:

f(x)= 3x-8,

f(x)=-17

so

-17 = 3x -8

3x= -17+8

3x = -9

x =-3

Step-by-step explanation:

3 0
2 years ago
Mckenzie has been saving her earnings from mowing the
Ksivusya [100]

Answer:

7 games

Step-by-step explanation:

22 / 3 =

7.33

Mckenzie can buy 7 games

6 0
2 years ago
10. George earns $455 per week. He receives a 20% raise. What is George's new weekly salary?
djverab [1.8K]

Answer:

$546

Step-by-step explanation:

455*.20=91  

91+455+546

8 0
3 years ago
Read 2 more answers
What is a decimal that is equivalent to the fraction ?<br><br> Enter the answer in the box. <br>​
s344n2d4d5 [400]

Answer:

Answer is 0.44

Step-by-step explanation:

44/100=0.44

3 0
2 years ago
Read 2 more answers
What is the equation of the best-fitting regression line? Find this in two ways. First, using the regression analysis part of th
Lemur [1.5K]

Step-by-step explanation:

Regression analysis is used to infer about the relationship between two or more variables.

The line of best fit is a straight line representing the regression equation on a scatter plot. The may pass through either some point or all points or none of the points.

<u>Method 1:</u>

Using regression analysis the line of best fit is: y=\alpha +\beta x+e

Here <em>α </em>= intercept, <em>β</em> = slope and <em>e</em> = error.

The formula to compute the intercept is:

\alpha =\bar y-\beta \bar x

Here<em> </em>\bar y and \bar x are mean of the <em>y</em> and <em>x</em> values respectively.

\bar y=\frac{\sum y_{i}}{n} \\\bar x=\frac{\sum x_{i}}{n}

The formula to compute the slope is:

\beta =\frac{\sum (x-\bar x)(y - \bar y)}{\sum (x=\bar x)^{2}}

And the formula to compute the error is:

e=y-\alpha -\beta x

<u>Method 2:</u>

The regression line can be determined using the descriptive statistics mean, standard deviation and correlation.

The equation of the line of best fit is:

(y-\bar y)=r\frac{\sigma_{x}}{\sigma_{y}} (x-\bar x)

Here <em>r</em> = correlation coefficient = r=\frac{Cov (x,y)}{\sqrt{\sigma^{2}_{x}\sigma^{2}_{y}} }

\sigma_{x} and \sigma_{y} are standard deviation of <em>x</em> and <em>y</em> respectively.

\sigma_{x}=\frac{1}{n}\sum (x-\bar x)^{2} \\\sigma_{y}=\frac{1}{n}\sum (y-\bar y)^{2}

3 0
3 years ago
Other questions:
  • What is the answer on this math question? I am preparing for the 9th grade exam...
    13·2 answers
  • Percy paid 24.10 for a basketball. The price of a basketball was 22.99. What was the sales tax rate?
    5·2 answers
  • What’s the least common multiple of x^2-2x-15 and x^2+2x-3?
    9·1 answer
  • X^2 - 11x = 0 solve equation by factoring is there a solution or not?
    6·1 answer
  • What is the slope of (2,3) (10,15)
    14·2 answers
  • Find the domain of h(x) = 2x - 9 given a range of (-7,5,11)
    13·1 answer
  • To make it more easier for everyone, it's on Khan Academy and this problem is in Algebra 1 to be specific. Solve for x.
    6·1 answer
  • Please help me! With 3 and 7! I’ll mark brainliest
    9·1 answer
  • Which number line shows the solutions to x &lt; 1?
    11·1 answer
  • Answer this pls<br>pls answer​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!