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allsm [11]
3 years ago
7

Please answer correctly !!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!

Mathematics
1 answer:
cluponka [151]3 years ago
5 0

Answer:

<em>DJ = 48 units</em>

Step-by-step explanation:

The centroid of a triangle is the point of intersection of its median.

The centroid divides each of the medians in the ratio 2 : 1 .

DJ = \frac{2}{3} DH

<em>DJ </em>= \frac{2}{3} × 72 = <em>48</em> units

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Please help it will help a lot i really need this!!
Lorico [155]

Answer:

A' = (0,0)

B'=(8,0)

C'=(8,2)

D'=(0,2)

It is not a rigid motion.

Step-by-step explanation:

To use the mapping rule, substitute the original x and y values in it.

The coordinates of A are (0,0).

Using the mapping rule, the x coordinate of A' = 2x0 = 0

Using the mapping rule, the y coordinate of A' = (1/2)x0=0

So A' will not change locations. The image will be at (0,0).

The coordinates of B are (4,0)

Using the mapping rule, the x-coordinate of B' = 2x4 = 8

Using the mapping rule, the y-coordinate of B' = (1/2)x0=0

Therefore the image of B' will be located at coorindate (8,0)

The coorindates of C are (4,4).

Using the mapping rule, the x-coordinate of C' = 2x4=8

Using the mapping rule, the y-coordinate of C' = (1/2)x4=2

Therefore the image of C' will be located at coordinate (8,2)

The coordinates of D are (0,4)

Using the mapping rule, the x-coordinate of D' = 2x0 = 0

Using the mapping rule, the y-coordinate of D' = (1/2)x4=2

Therefore the image of D' will be located at coordinate (0,2)

<em>Is the transformation a rigid motion?</em>

NO, this transformation is not a rigid motion because the relative distance between the points does not stay the same after they have been transformed. The transformation is not a translation , rotation, reflection, nor glide reflection.

6 0
3 years ago
How would I solve; A bakery has 456 dozen cookies. How many individual cookies are there ?
Over [174]

Hi :")

Answer:

5472

Step-by-step explanation:

a dozen = 12 identical bodies

456 dozen cookies there are

12 x 456 = 5472

Good Luck ;)

#Turkey

6 0
3 years ago
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Anna71 [15]

Answer:

D. (2x)(3x) + 5(3x - 2)

<em>good luck, i hope this helps :) </em>

<em />

5 0
3 years ago
X/2 - 5 = 10 what does x equal?​
Viefleur [7K]

Answer:

x=30

Step-by-step explanation:

6 0
3 years ago
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Kenny has a jar full of nickels and dimes. If he counted the money in his jar, how much does he have ?
shusha [124]

Answer:

Step-by-step explanation:

  it c

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3 years ago
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