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Assoli18 [71]
3 years ago
10

......................................

Mathematics
1 answer:
MrRa [10]3 years ago
7 0

Answer:

D

Step-by-step explanation:

The centroid of a triangle is the intersection of the three medians of the triangle (each median connecting a vertex with the midpoint of the opposite side).

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Solve the following 3 × 3 system. Enter the coordinates of the solution below.
defon

9514 1404 393

Answer:

  (x, y, z) = (-1, 0, -3)

Step-by-step explanation:

We notice that the coefficients of z are such that elimination of the z term from the equations is made easy.

Adding equations 1 and 2:

  (2x -3y -2z) +(x +3y +2z) = (4) +(-7)

  3x = -3

  x = -1

Adding equations 2 and 3:

  (x +3y +2z) +(-4x -4y -2z) = (-7) +(10)

  -3x -y = 3

Substituting for x, we get ...

  (-3)(-1) -y = 3

 0 = y . . . . . . . . . . . add y-3 to both sides

Then z can be found from any equation. Substituting for x and y in the second equation gives ...

  -1 +2z = -7

  2z = -6 . . . . . add 1

  z = -3 . . . . . .divide by 2

The solution is (x, y, z) = (-1, 0, -3).

3 0
3 years ago
one table has 8 people with 3 pizzas another table has 10 people with 4 pizzas which table has more pizza?
Alika [10]

Answer:

The table with 10 people and 4 pizzas

Step-by-step explanation:

7 0
2 years ago
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I BET NO ONE KNOWS THIS A rare cooking spice with no close substitutes is an example of a product that is:
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Answer:

I think that it is...

Step-by-step explanation:

A. Elastic?

3 0
2 years ago
Which ordered pair is a solution of the equation 7x−5=4y−6?
Kaylis [27]
D. Neither A nor B. There you go.
5 0
3 years ago
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I got the answer D is this correct? will vote brainliest
Marina86 [1]

Answer:

yes its a correct answer hope it will help u.......

4 0
2 years ago
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