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Dmitrij [34]
4 years ago
7

What expressions are equivalent to 3(n+6)

Mathematics
1 answer:
KengaRu [80]4 years ago
8 0
3n+3*6 which simplifies to 3n+18
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Let G be a connnectde graph with n vertices and m edges. supposed also that m = n. prove that G contains exactly one cycle
ElenaW [278]

Answer:

Contradiction

Step-by-step explanation:

Suppose that G has more than one cycle and let C be one of the cycles of G, if we remove one of the edges of C from G, then by our supposition the new graph G' would have a cycle. However, the number of edges of G' is equal to m-1=n-1 and G' has the same vertices of G, which means that n is the number of vertices of G. Therefore, the number of edges of G' is equal to the number of vertices of G' minus 1, which tells us that G' is a tree (it has no cycles), and so we get a contradiction.

7 0
3 years ago
Caitlyn needs to solve the equation: 2(3x+1)=3(2-x). after copying the problem correctly she uses the Properties of Algebra to s
astra-53 [7]

Answer:

x=49

Step-by-step explanation:

2(3x+1)=3(2−x)

Step 1: Simplify both sides of the equation.

2(3x+1)=3(2−x)

(2)(3x)+(2)(1)=(3)(2)+(3)(−x)(Distribute)

6x+2=6+−3x

6x+2=−3x+6

Step 2: Add 3x to both sides.

6x+2+3x=−3x+6+3x

9x+2=6

Step 3: Subtract 2 from both sides.

9x+2−2=6−2

9x=4

Step 4: Divide both sides by 9.

9x9=49

x=49

3 0
3 years ago
Read 2 more answers
A group of family went to the store and bought burgers. The first family bought 4 hamburger and 3 cheeseburger for $31. The seco
olganol [36]
I belive the price is 4.4 or $4.40c

8 0
3 years ago
X/2.7 + 3.6=4.8 solve for x
weqwewe [10]

Answer:

3.24

Step-by-step explanation:

1) minus the whole number, 3.6 from both sides:  

   x/2.7 +3.6 = 4.8 -----> x/2.7 = 1.2

2) multiply both sides by 2.7 to get the x value on its own:  

   x/2.7 = 1.2 -------> x = 3.24

3) finally x is on its own with a value on the other side... x = 3.24

7 0
2 years ago
Write each decimal as a fraction of mixed number in simplest form.<br><br> 1.0.675<br><br> 2.0.44
liubo4ka [24]

Answer:

Step-by-step explanation:

Sorry this is a tough one and I don’t want to give you the wrong answer sorry again

8 0
3 years ago
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