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Natalija [7]
3 years ago
7

Cho hình chóp S.ABC có đáy là tam giác đều cạnh 2a. Tam giác SAB đều và nằm trong mặt phẳng vuông góc với đáy . Gọi M là trung đ

iểm BC , N thuốc AC sao cho AN =1/2NC , G là trọng tâm tam giác SBC. Tính thể tích khối chóp G.NMC
Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer:

where are you from??????????

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10(y+3)-4y please help​
horsena [70]

Answer:6y+30

Step-by-step explanation:

simplify the expression :)<3

5 0
3 years ago
Read 2 more answers
Vertex = (2,5), Point (0, 1)
Rama09 [41]

Answer:

therefore y= - (x-2)^2 + 5

Step-by-step explanation:

u do this by using this format here ..,

y=a(x-h)^2+k

sub in the vertex points as h=2 and k = 5 , since the 2 is positive its sign will be -2 in the brackets because when solving for x-2=0 it is x=2

y=a(x-2)^2+5

then with your (0,1) points plug that in as y and x

1=a(0-2)^2+5

1=a(-2)^2+5

1=4a+5

1-5=4a

-4=4a

a=-1

therefore y= - (x-2)^2 + 5

8 0
2 years ago
Which of the following shows the proper steps for constructing an angle bisector?
babymother [125]
 <span> With one point of the compass on the vertex of the angle, draw an arc that </span>intersects both sides of the angle.Draw an arc from each of these points of intersection so that the arcs intersect in the interior of the angle. The compass needs to stay open the same amount throughout this step.Draw the ray from the vertex of the angle to the intersection of the two arcs drawn during the previous step.
7 0
3 years ago
Greates common factor of 10,40
Alex
40: 2,2,2,5
10: 2,5
       2        5
2*5=10
GCF is 10
4 0
3 years ago
Read 2 more answers
WHAT IS THE SLOPE IN THE EQUATION Y = -6X+4
AfilCa [17]

Answer:

-6 is your answer

Step-by-step explanation:

Note the equation: y = mx + b

y = y

m = slope

x = x

b = y-intercept

With the knowledge above, we see that m = slope, which is -6

-6 is your answer

~

<em>~World on Fire</em>

8 0
3 years ago
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