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Gekata [30.6K]
3 years ago
15

What is -7 as a decimal If u don’t know the answer don’t answer

Mathematics
1 answer:
Rainbow [258]3 years ago
8 0

Answer:

-7.0

Step-by-step explanation:

Just add a decimal like any other positive number.

If its a fraction, just say -7/1.

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Is a relation always a function? Is a function always a relation? Explain.
katen-ka-za [31]

A function is always a relation but relation is not always a function

<u>Solution:</u>

Given that, we have to explain Is a relation always a function and is a function always a relation

Note that both functions and relations are defined as sets of lists.  

In fact, every function is a relation. However, not every relation is a function.  A relation from a set X to a set Y is called a function if each element of X is related to exactly one element in Y.

That is, given an element x in X, there is only one element in Y that x is related to.

For example, consider the following sets X and Y. Let me give you a relation between them that is not a function;

X = { 1, 2, 3 }

Y = { a , b , c, d }

Relation from X to Y : { (1,a) , (2, b) , (2, c) , (3, d) }

This relation is not a function from X to Y because the element 2 in X is related to two different elements, b and c

Relation from X to Y that is a function: { (1,d) , (2,d) , (3, a) }

This is a function since each element from X is related to only one element in Y. Note that it is okay for two different elements in X to be related to the same element in Y. It's still a function, it's just not a one-to-one function.

So, we can say that function is a type of relation.

Which means whatever a function occurs, it will be a relation from one set to other.

But when a relation occurs it may be a function but need not be always a function.

Hence, a function is always a relation but relation is not always a function.

8 0
3 years ago
Help me please!! This test is due tomorrow!! What's the answer? 5 stars and brainliest!
puteri [66]

Answer:

5/36

Step-by-step explanation:

I added them up

Tell me if I am wrong.

Can I get brainliest

3 0
3 years ago
Simplify each expression completely. please show work. thanks!
yulyashka [42]
I know the answers but I hate simplifying
40) 9y-12
42) -3x+3y-5
8 0
3 years ago
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Multi step equations for 20= x + 1
vekshin1

Answer:

x = 19

Step-by-step explanation:

just subtract 1 from both sides of the equation

5 0
3 years ago
HELP PLEASE!<br> Solve for m.<br><br> 3.6m = 14.4
Alekssandra [29.7K]

Answer:

4m

Step-by-step explanation:

5 0
2 years ago
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