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Lubov Fominskaja [6]
3 years ago
15

Which of the following expressions represents a function?

Mathematics
1 answer:
makkiz [27]3 years ago
8 0
Selection A is appropriate.

_____
The rest of the choices have one value of x corresponding to multiple values of y. Thus, they don't meet the requirement of a function.
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Caculate the slope between the points <br> (9, 12) and (4, 17)
Scilla [17]
To calculate the slope you need to do (y2-y1)/(x2-x1). So you would get:
(17-12)/(4-9)
5/-5
=-1
Hope this helps.
3 0
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Katy has 15 flamingos in her front yard and 9 flamingos in her backyard. Which equation shows one way to find how many fewer fla
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Step-by-step explanation:

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3 0
2 years ago
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I need to know how to do Solving Systems of Equations by Elimination
vredina [299]
The point of elimination is to have one variable so example

3x + 2y = 4

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1) Try to find a way to have one variable

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-3(7x+ 3y = 5) -----> -21x -9y = -15


2) add

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x = 0.533333333 (continue)

The intersection would be 0.53 with a line above the 3 and 2.8. (0.5333 , 2.8)

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6 0
3 years ago
What is this sum about like 3×3 what is that pls tell me
mars1129 [50]
3x3=9


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7 0
3 years ago
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-4 1/2 divided by - 2 2/3 as a mixed number
podryga [215]

Answer:

Exact Answer is 27/16

Decimal form: 1.6875

Mixed fraction 1 11/16    I assume that's what you need.

Step-by-step explanation:

27/16

Divide 27 by 16:

1 | 6 | 2 | 7

16 goes into 27 at most one time:

| | | 1

1 | 6 | 2 | 7

| - | 1 | 6

| | 1 | 1

Read off the results. The quotient is the number at the top and the remainder is the number at the bottom:

| | | 1 | (quotient)

1 | 6 | 2 | 7 |  

| - | 1 | 6 |  

| | 1 | 1 | (remainder)

The quotient of 27/16 is 1 with remainder 11, so:

Answer:  1 11/16

5 0
3 years ago
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