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IgorC [24]
3 years ago
14

If 20% of the students in your class like McDonald's, how many students are in your class if 4 students like McDonald's?

Mathematics
2 answers:
elena55 [62]3 years ago
5 0

Answer: it is 20 students

kondaur [170]3 years ago
5 0

Answer:

16 students

Step-by-step explanation:

4 students is 20% ,8 students is 40%, 12 students 80%, 16 students 100%

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0.10 x 37.7 explain please
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Explanation: Since 0.10 is 10 times smaller than 1, we know that if we divide 37.7 by 10, we will get the same answer as 0.10 x 37.7.

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2 years ago
A group of students was asked about the number of e-mails they each sent that day. The results are: 0,0,0,0,1,2,2,3,5,5, 8, 9, 1
masha68 [24]

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Step-by-step explanation: I don’t know I’m sorry

8 0
3 years ago
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, gi
defon

Answer:

An ordered pair is a set of inputs and outputs and represents a relationship between the two values. A relation is a set of inputs and outputs, and a function is a relation with one output for each input.

h

here is a exstended explantion:

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. I'll give you a relation between them that is not a function, and one that is.

   X = { 1, 2, 3 }

   Y = { a , b , c, d }

   Relation from X to Y (i.e., in XxY ) : { (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. (Note, if you transpose the ordered pairs you <i>would</i> have a function from Y to X - can you see WHY?)

   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.

8 0
3 years ago
How to write a number sentence equal and3
inn [45]

What? Can you be more specific? I'm  very confused about what you want

6 0
2 years ago
Determine whether the relation is a function. Explain why or why not.
Oksi-84 [34.3K]

Answer: THE ANSER IS A. No, the domain value 5 corresponds to two range values, -8 and 5.

Find the domain and range.

Domain:

{ 6 ,  5  , 1 }

Range:

{ − 7 ,  − 8  , 4  , 5 }

Step-by-step explanation: IT'S NOT C OR D

Determine if the relation is a function.

The relation is not a function.

7 0
3 years ago
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