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Aleks [24]
3 years ago
7

PLEASE SOLVE THIS FOR 25 POINTS.

Mathematics
1 answer:
anygoal [31]3 years ago
7 0

Answer: which question?????????????????? all of them????

Step-by-step explanation:

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There are 10 marbles in a bag. 1/5 are red and the others are blue. What is the ratio to blue marbles.
Irina-Kira [14]

Answer:

Ratio = 1 : 4

Step-by-step explanation:

Total marbles = 10

Given 1/5 is red, that is 1/5 of the total marbles are red

                                                            \frac{1}{5} \ of \ 10 = \frac{1}{5} \times 10 = 2

Therefore , 10 - 2 = 8 marbles are blue.

Ratio of red marbles to blue marbles

                                    \frac{2}{8} = \frac{1}{4} = 1 : 4

4 0
3 years ago
Is it possible for a simple, connected graph that has n vertices all of different degrees? Explain why or why not.
ryzh [129]

Answer:

It isn't possible.

Step-by-step explanation:

Let G be a graph with n vertices. There are n possible degrees: 0,1,...,n-1.

Observe that a graph can not contain a vertice with degree n-1 and a vertice with degree 0 because if one of the vertices has degree n-1 means that this vertice is adjacent to all others vertices, then the other vertices has at least degree 1.

Then there are n vertices and n-1 possible degrees. By the pigeon principle there are two vertices that have the same degree.

8 0
3 years ago
Simplify,,,,,,,,,,,,,,,,,,,
tatuchka [14]
It is D , if you plus into a calculator it simplifies for you !!
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The yearbook club is having a bake sale to raise money for the senior class. Large cupcakes are sold for $1.25 each and small cu
IrinaVladis [17]
The answer is   c. 62     
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the probability of winning a game is 20%. if you play 20 times how many times should you expect to win
julia-pushkina [17]
The probability of winning a game out of 20 is 4 times. 
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3 years ago
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