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olchik [2.2K]
2 years ago
6

Can someone answer this correctly

Mathematics
2 answers:
Pie2 years ago
7 0

Answer:

3/C

Step-by-step explanation:

G x M = 117.50

liberstina [14]2 years ago
6 0

Answer:

Its the third one!

Step-by-step explanation:

:)

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Which table of values can be represented by the function y=x+4 ?
ozzi

Answer:

See explanation

Step-by-step explanation:

The given function is y=x+4

To create a table we choose some values of x and plug it into the function and solve for y.

When x=-1, y=-1+4=3

When x=0 y=0+4

When x=1, y=4+1=5

When x=2, y=6

The table looks like;

x     y

-1      3

0       4

1        5

2         6

4 0
3 years ago
Determine,in each of the following cases, whether the described system is or not a group. Explain your answers. Determine what i
zheka24 [161]

Answer:

(a) Not a group

(b) Not a group

(c) Abelian group

Step-by-step explanation:

<em>In order for a system <G,*> to be a group, the following must be satisfied </em>

<em> (1) The binary operation is associative, i.e., (a*b)*c = a*(b*c) for all a,b,c in G </em>

<em>(2) There is an identity element, i.e., there is an element e such that a*e = e*a = a for all a in G </em>

<em> (3) For each a in G, there is an inverse, i.e, another element a' in G such that a*a' = a'*a = e (the identity) </em>

<em> </em>

If in addition the operation * is commutative (a*b = b*a for every a,b in G), then the group is said to be Abelian

(a)  

The system <G,*> is not a group since there are no identity.  

To see this, suppose there is an element e such that  

a*e = a

then  

a-e = a which implies e=0

It is easy to see that 0 cannot be an identity.

For example  

2*0 = 2-0 = 2

Whereas

0*2 = 0-2 = -2

So 2*0 is not equal to 0*2

(b)

The system <G,*> is not a group either.

If A is a matrix 2x2 and the determinant of A det(A)=0, then the inverse of A does not exist.

(c)

The table of the operation G is showed in the attachment.

It is evident that this system is isomorphic under the identity map, to the cyclic group

\mathbb{Z}_{5}

the system formed by the subset of Z, {0,1,2,3,4} with the operation of addition module 5, which is an Abelian cyclic group

We conclude that the system <G,*> is Abelian.

Attachment: Table for the operation * in (c)

4 0
3 years ago
The sum of two numbers is 104. The larger number is 3 more than the smaller number.
alexdok [17]
50.5 and 53.5
104-3=101 divided by 2=50.5 50.5+3 equals 53.5. 50.5+53.5=104
5 0
2 years ago
Enter the ratio as a fraction in lowest terms<br><br> 30 minutes to 27 minutes
vampirchik [111]

Step-by-step explanation:

ratio will be

30/27

= 10/9

=10:9

7 0
3 years ago
Read 2 more answers
The corner store sells carrots at a rate of $1.50 per carrot. If Isabella has $6.00 dollars, how many carrots
allochka39001 [22]

Answer:

4 Carrots

Step-by-step explanation:

6/1.5 =4

8 0
2 years ago
Read 2 more answers
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