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Leya [2.2K]
2 years ago
6

Please help i need it for tomorrow With explanation please

Mathematics
2 answers:
Gemiola [76]2 years ago
5 0

Answer:

pangalang ng pair angles figure

bazaltina [42]2 years ago
5 0

Answer:

I don't know answers sorry

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Eight times a number is three thousand two hundred what is the number
Nataly [62]

Answer:400

Step-by-step explanation:

3,200 / 8 = 400

4 0
3 years ago
Read 2 more answers
(6d^(2)c)/(3c) what is the excluded value
podryga [215]

Answer:

The excluded value is c=0

Step-by-step explanation:

The excluded value is when the denominator goes to zero

(6d^(2)c)/(3c)

3c = 0

c =0

The excluded value is c=0

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
40% of the students in Jody's class
77julia77 [94]
40% = 40/100 = 0.40
Find 40% of 20
20 * 0.40 = 8
Solution: 8 students traveled
7 0
3 years ago
Plss help need it important test
Gemiola [76]

Answer:

$17.58 more

Step-by-step explanation:

3 0
3 years ago
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