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GuDViN [60]
1 year ago
10

determine whether the graph is connected or disconnected then determine how many components the graph has

Mathematics
1 answer:
DENIUS [597]1 year ago
6 0

The graph is connected because every two vertices of the graph are connected by a path.

The graph has 10 vertices, as can be seen in the next picture:

The graph has 9 edges, as can be seen in the next picture:

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What is the solution to the system of linear equations?<br> 2x+4y=38<br> 10x+3y=105
tamaranim1 [39]
Hello :
<span>2x+4y=38  ...(1)
10x+3y=105....(2)
-10x-20y = - 190
10x+3y =105 
add : -17y = - 85
y = 5
subsct in (1) : 2x +20  =38
2x = 18
x=9

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2 years ago
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The ratio of the length of a rectangular field to its width is 4:3. If the length of the field is 100 meters, what is the perime
irina [24]

Answer:

350

Step-by-step explanation:

divide 100/4= 25

25*3=75 so width = 75 meters

perimeter= 2(l+w)

perimeter= 2(100+75)

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3 years ago
The area of a rectangular deck is 680 square feet. The deck's width is 17 feet. What is its perimeter?
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Find the sum of the digits 10^15−1.
Alchen [17]

Answer:

149

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2 years ago
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Một lô hàng chứa rất nhiều sản phẩm, trong đó tỷ lệ sản phẩm loại tốt là 70%. chọn ngẫu nhiên từ lô hàng ra 5 sản phẩm. gọi X là
den301095 [7]

trả lời : lâp bảng

X=0 thì xác suất lấy ra được sản phẩm tốt là 5*30%=1,5%

X =1 thì xác suất lấy ra được là 1* 70%*4*30%=0,84%

X=2 thì xác suất lấy ra được sản phẩm tốt là 2*70%*3*30%=1,26%

X=3 thì xác suất lấy ra được sản phẩm tốt là 3*70%*2*30%=1,26%

X=4 thì xác suất lấy ra được sản phẩm tốt là 4*70%*1*30%=0,84%

X=5 thì xác suất lấy ra được sản phẩm tốt là 5*70%=3,5%

X 0 1 2 3 4 5

P 1,5 0,84 1,26 1,26 0,84 3,5

b,

E(x)= 1,5*0+ 0,84*1+1,26*2+1,26*3+0,84*4+3,5*5=28

E(x^2)=1,5*0^2+0,84*1^2+1,26*2^2+1,26*3^2+0,84*4^2+3,5*5^2=118,16

===> V(x)= (E(x))^2-E(x^2)=28^2-118,16=665,84

8 0
3 years ago
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