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
nevsk [136]
3 years ago
9

Find the distance between the two given points. Round to the nearest tenth.

Mathematics
1 answer:
labwork [276]3 years ago
5 0

Answer:

9.9

Step-by-step explanation:

You might be interested in
Please consider the following values for the variables X and Y. Treat each row as a pair of scores for the variables X and Y (wi
Studentka2010 [4]

Answer:

The Pearson's coefficient of correlation between the is 0.700.

Step-by-step explanation:

The correlation coefficient is a statistical degree that computes the strength of the linear relationship amid the relative movements of the two variables (i.e. dependent and independent).It ranges from -1 to +1.

The formula to compute correlation between two variables <em>X</em> and <em>Y</em> is:

r(X, Y)=\frac{Cov(X, Y)}{\sqrt{V(X)\cdot V(Y)}}

The formula to compute covariance is:

Cov(X, Y)=n\cdot \sum XY-\sum X \cdot\sum Y

The formula to compute the variances are:

V(X)=n\cdot\sum X^{2}-(\sum X)^{2}\\V(Y)=n\cdot\sum Y^{2}-(\sum Y)^{2}

Consider the table attached below.

Compute the covariance as follows:

Cov(X, Y)=n\cdot \sum XY-\sum X \cdot\sum Y

                 =(5\times 165)-(30\times 25)\\=75

Thus, the covariance is 75.

Compute the variance of X and Y as follows:

V(X)=n\cdot\sum X^{2}-(\sum X)^{2}\\=(5\times 226)-(30)^{2}\\=230\\\\V(Y)=n\cdot\sum Y^{2}-(\sum Y)^{2}\\=(5\times 135)-(25)^{2}\\=50

Compute the correlation coefficient as follows:

r(X, Y)=\frac{Cov(X, Y)}{\sqrt{V(X)\cdot V(Y)}}

            =\frac{75}{\sqrt{230\times 50}}

            =0.69937\\\approx0.70

Thus, the Pearson's coefficient of correlation between the is 0.700.

5 0
3 years ago
How many three-fourths are in 2
Elis [28]
3/4 times x=2
times both sides by 4/3 to clear fraction (4/3 times 3/4=12/12=1)
1x=8/3
there are 8/3 of them in 2

6 0
3 years ago
Read 2 more answers
Plzzz help asap this is due and plz tell me why and how to do this
Ilia_Sergeevich [38]
F - Irrational, -13.8
Because the negative sign is not inside of the radical, we can tell that the number is being multiplied by the negative. Thus, do the radical equation first, get the answer 13.8202... and multiply by -1 to get the answer. Also, it is irrational because it is not a perfect square.
6 0
3 years ago
Mrs. Cervantes wants to paint her windmill. It has six sides, each of which is 3.5 feet wide by 11 feet tall. How many square fe
wolverine [178]

Answer:

231 ft²

Step-by-step explanation:

Given that :

Dimension of each side = 3.5 feets by 11 feets

Area of each side :

Length * width = (3.5 * 11) feets = 38.5 ft²

Number of sides = 6

Hence, number of square feets to paint :

Number of sides * area of each side :

6 * 38.5 ft²

= 231 ft²

7 0
2 years ago
I cant feel my hand helppppppp
suter [353]

Answer: Are you ok?

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • If the dimensions of the rectangle are doubled what is the area of the new rectangle.
    13·1 answer
  • If there are 3 classrooms that each have 25 desks and there are a total of 87 students, how many more desks need to be added to
    13·2 answers
  • What number can go into 21 and 27
    14·2 answers
  • If minor arc AC = 96°, what is the measure of ∠ABC?
    7·1 answer
  • I don’t know this please help..
    9·1 answer
  • Please i need someone help.
    15·1 answer
  • Find the factors of 9q²-45pq+8q-40p
    11·1 answer
  • 13/10 ÷ 2/10 = ?????​
    7·2 answers
  • F(x)=2x^2-5;find when f(x)=-7​
    6·2 answers
  • What does PEMDAS stand for? Then, solve with pemdas in order -&gt; 3 x 2 +( 4 - 1) = ??
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!