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Sergeu [11.5K]
4 years ago
7

What relation is a function? - plz help -

Mathematics
1 answer:
Eduardwww [97]4 years ago
7 0

Answer:

Step-by-step explanation:

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. ... This is a function since each element from X is related to only one element in Y.

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PLEASE PLEASE HELPPPP
Anastaziya [24]
You could expect about 1,248 students to play at least 4 hours every week.

Our tables have 100 students involved. All but 4 of the students are in the category of at least 4 hours. That is 96%.

Therefore, we simply need to multiply 0.96 by 1300 to get the estimated amount.

0.96 x 1300 = 1248
7 0
3 years ago
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SUPER ULTRA MEGA IMPORTANT QUESTION!!!! IF YOU CAN ANSWER THIS CORRECTLY I WILL GIVE YOU 100 POINTS BUT IF YOU DON'T ANSWER IT C
Serggg [28]

Answer:

Angie=x

Susan = x+3

Rebecca = 3(x+3)

Total = 5x+12

If Angie has 4  then the  total is 32

Step-by-step explanation:

Angie has x games

Susan has 3 more games than Angie has

Susan = x+3

Rebecca has 3 times more games than Susan

Rebecca = 3Susan

We know Susan has x+3  so replacing it in

Rebecca  = 3 (x+3)

The total number of games is Angie + Susan + Rebecca

                                                  x      + x+3           +  3(x+3)

                Distributing the 3

                                                x + x+3    + 3x+9

               Combining like terms

                                              5x+12

The total number of games is

                                        5x+12


If Angie has 4 games, x=4

The total number of games is 5(x)+12

                                                  5*4+12

                                                   20+12

                                                   32



7 0
4 years ago
You begin solving the equation 4−5x=594-5x=59 by subtracting 44 from both sides. Which is the best choice for Step 22?
borishaifa [10]
4 - 5x = 59

Subtract 4 from both sides:

-5x = 55

Since x is being multiplied by -5, the next step is to divide both sides by -5.
5 0
3 years ago
The table above represents what type of function?
exis [7]

Answer:

A?? because I think it's not linear because it's not proportional

7 0
3 years ago
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Johnny earned a total of $15 for 3
solniwko [45]

Answer:

5 dollars a hour. ,

Step-by-step explanation:

count by fives

4 0
4 years ago
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