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
marta [7]
3 years ago
5

Three points are collinear.

Mathematics
2 answers:
dangina [55]3 years ago
7 0

Answer:

Three points are collinear if they belong to the same line. Also if their Determinant equals zero.

Step-by-step explanation:

Suppose we have A (-6, 2) B(-3,-1) and D(-5, 1). Are they collinear?

Well, let's plug in the values in a Matrix and then calculate its Determinant this way:

Plug ig the values for x, y and complete it with 1 in the 3rd column.

\left[\begin{array}{ccc}x&y&1\\&&1\\&&1\end{array}\right]

Applying:

Det=\left[\begin{array}{ccc}-6&2&1\\-3&-1&1\\-5&1&1\end{array}\right]=0

Doing the calculation, the Determinant equals zero, what gives us an Analytical Geometry proof of its collinearity.

il63 [147K]3 years ago
3 0
If they are in the same line yes. If they aren't then its considered non-collinear.
You might be interested in
On Monday, you realize that a significant theft occurred between 6PM Friday and 8AM Monday. You have good video tape of the time
Sergeu [11.5K]

For this one, find out how many hour have passed per day with 6 pm Friday being where you start.  

6 pm Friday- 6 pm Saturday =24

6 pm Saturday - 6 pm Sunday= 24

6 pm Sunday - 6 am Monday = 12 hours

6 am Monday until 8 am Monday= 2 hours


Now just add the amount of hours together

24+24+12+2= 62 hours

Now convert that to minutes.

There are 60 minutes in 1 hour.  You multiply the amount of hours by 60 to get the minutes.

62 hours times 60 minutes in 1 hour

62*60= 3720.

So you will have a total of 3,720 minutes of tape to review.

8 0
3 years ago
Read 2 more answers
Ms. Cobb divided a bag of 24 chocolate candies between Bob and Patrick. Bob received 4s of candy for every 2
icang [17]

Answer:

If spongebob recieved 4 candies for every 2 that Patrick Got then bob got 16 and patrick got 8.

Step-by-step explanation:

7 0
3 years ago
Find the parabola of the form y = ax2 + b which best fits the points (1, 0), (3, 2), (4, 4) by minimizing the sum of squares, s,
DiKsa [7]
<span>S= (a+b)^2+(4a+b-2)^2+(9a+b-4)^2 98a+14b-44=0 14a+3b-6=0 a=24/49, b=-2/7 y = (24/49)x^2-(2/7)</span>
8 0
3 years ago
I will give Brainliest to First and Correct Answer. Can Somebody please help...I really need help and I am struggling.
igor_vitrenko [27]

Answer: B' (5,8), C' (3,1)

Step-by-step explanation:

You can use the points A' (-1,8) and A (-2,-3) to find how many units point A was translated.

-2 + 1 = -1

-3 + 11 = 8

Then, you simply add 1 to the x-values of points B and C and 11 to the y-values of points B and C to get B' (5,8), C' (3,1).

I hope this helps!

4 0
2 years ago
Express the series using sigma notation 5 - 10 + 20 - 40 + 80 - ...
Ilia_Sergeevich [38]

Step-by-step explanation:

I think 160! I don't know it true or not

8 0
3 years ago
Other questions:
  • Find the equivalent fraction of 4/7
    14·1 answer
  • Suppose that x and y vary inversely, and x = 10 when y = 8. Write the function that models the inverse variation.
    11·1 answer
  • ind the surface area of a sphere with a radius of 12 cm. Approximate as 3.14 and round your answer to the nearest hundredth
    9·1 answer
  • What is 5x + 2 = -6x - (-3)
    13·2 answers
  • What's <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B8%7D%20" id="TexFormula1" title=" \frac{1}{8} " alt=" \frac{1}{
    8·1 answer
  • Write 1,054 thousand in standard form.
    12·1 answer
  • 110% of 72<br><br> Show work pls.
    5·1 answer
  • Solve for x. 4x−3+2x2−9=1x+3 −173 −5 133 193
    13·1 answer
  • A 52-centimeter-long board is cut into 3 pieces. The longest piece is twice as long as the shortest piece. The other piece is 4
    6·1 answer
  • The ratio of dogs to cats is 3 to 8. if there are 294 dogs, how many cats are there?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!