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S_A_V [24]
3 years ago
15

HELPPP MEE PLEASEEEE!!!

Mathematics
2 answers:
Sever21 [200]3 years ago
6 0

Answer:

55

Step-by-step explanation:

add 25 and 30 to get 55

a triangle always equals 180 so

180-55=125

y is a straight line with x which equals 180 so

180-125=55

astra-53 [7]3 years ago
5 0

Answer:

y=55

Step-by-step explanation:

30+25=55 || 180-55=125 || x=125 || 180-125=55 || y=55

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Help me this question
lubasha [3.4K]

Answer:

(a) 218.6 N

(b) 97.14 N

Step-by-step explanation:

When the system is in equilibrium, the net torque on the system is zero.

AC = 1.5 m, CD = 2.3 m, DB = 5 - 1.5 - 2.3 = 1.2 m

Let the centre of gravity of plank is at G.

AG = 2.5 m, CG = 2.5 - 1.5 = 1 m, GB = 2.5 m

(a) Let the reaction at C is R and at D is R'.

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Take the torque about C.

29 x 9.8 x CG = R' x GD

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R' = 218.6 N

(b) Take the torque about D.

6 x 9.8 x AD = R x CD

6 x 9.8 x (1.5 + 2.3) = R x 2.3

R = 97.14 N

8 0
3 years ago
Please help have only an hour please use picture
____ [38]

Answer:

The answer is C. n = 3

Step-by-step explanation:

I got this answer by using the butterfly method. I multiplied 3 and 2 and got 6. Then take 6 and divide it by 2 and you get 3.

So therefore, n = 3

Please mark brainliest if this helped.

4 0
3 years ago
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PLEASE HELP 30 POINTS <br> Prove that AM is perpendicular to BD
ch4aika [34]

Answer:

Step-by-step explanation:

AM is perpendicular to BD because they from a right angle and the definition of perpendicular is when two lines meet they form a right angle. AM goes straight down and BD form the horizontal line. These two lines form a right angle so AM is perpendicular to BD.  

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A line passes through the point (-4,-8) and has a slope of -5/2.
kogti [31]
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0

Step-by-step explanation:

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0^4=0

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8 0
2 years ago
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