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vovikov84 [41]
2 years ago
10

Find CD, given that point G is the centroid of

Mathematics
1 answer:
andrey2020 [161]2 years ago
7 0

let's recall that a Centroid in a triangle cuts the Medians into a 2:1 ratio, or namely CG : GD are in a 2: 1 ratio, we can also look at it that the side CD is 2/3 of CD whilst GD is 1/3 of CD, so

CG=\cfrac{2}{3}CD\implies 17.7=\cfrac{2CD}{3}\implies 3(17.7)=2CD \\\\\\ \cfrac{3(17.7)}{2}=CD\implies 26.55=CD

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Roman has a rope that is 25 1/2 feet long. he wants to cut it into 6 pieces that are equal in length. how long will each piece b
eduard
25.5*6=4.25 or 4.25
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8 0
3 years ago
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2 years ago
A family swimming pool holds 61 m3 of water. It loses 0.27m3 of water to evaporation each day. This situation can be represented
Bezzdna [24]

Answer:

The answer to your question is: when x = 100 days, y = 34 m³

Step-by-step explanation:

Data

Volumen = 61 m³

Loses 0.27 m³ each day

Equation    y + 0.27x = 61

when x = 100, y = ?

Process, just substitute x in the equation and solve it for y

                  y + 0.27(100) = 61

                  y + 27 = 61

                  y = 61 - 27

                  y = 34 m³

It means that after ten days, the swimming pool will only have 34 m³, because 27 m³ will have evaporated.

7 0
3 years ago
A yard is 3.1 meters long and 1.4 meters wide. What is the area of the yard? Group of answer choices
Helga [31]

Answer:

The area of the yard is 4.34.

Step-by-step explanation:

a = l x w

a = 3.1 x 1.4

a = 4.34

8 0
2 years ago
Find angles X and Y for the question
Sav [38]

Answer:

x = 129

y = 82

Step-by-step explanation:

x + 51 = 180

x = 180 - 51

x = 129

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y = 98 - 180

y = 82

3 0
2 years ago
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