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Aleks04 [339]
3 years ago
15

Which set of ordered pairs does not represent a function? O {(-3,-9), (7,9), (9, 1), (7,3)} O {(-3,8),(-6,5), (-5, -6), (1,-6)}

O {(3,1),(-2,-9), (6,-9),(4,6)} o {(4,3), (-4,4),(-2,-5), (6,4)}​
Mathematics
2 answers:
kvasek [131]3 years ago
7 0

Answer:

The first set of ordered pairs is not a function.

Step-by-step explanation:

The X value of 7 repeats, which means that it is not a function

kolezko [41]3 years ago
3 0
Second, third and fourth set of ordered pairs does not represent a function so only the first one is a function.
This is because each x value has to has their distinct y value. So you notice all sets of ordered pairs except the first one, two different x-values have the common y-value, which cannot be happen.
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A function has y-intercept of -2 and a slope of -1. which equation below describes the function?
ozzi
The correct equation should look something like this:
y= -1x - 2

Consider the equation for a line:
y = mx + b,
Where ‘m’ is the slope
Where ‘b’ is the y-intercept.

From there you can plug in your known values for ‘m’ and ‘b’, and get the equation above. If you are still not convinced, I suggest you graph the function and observe its slope and y-intercept.

Hope this helps!
8 0
3 years ago
Tom has 2 feet of wire. He uses of the wire to hang a picture. How much wire did he use to hang the picture?
Ipatiy [6.2K]

Answer:

D.  1  1/2 feet

Step-by-step explanation:

<u>Multiply the numbers to find the length of wire used.</u>

  • 2 1/2 × 3/5 =
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Correct choice is D

3 0
2 years ago
The width of a rectangle measures (7d + 8f) centimeters, and its
Andre45 [30]

The expression which represents the perimeter, in centimeters, of the rectangle is; (18d +10f) centimetres.

<h3>Perimeter of a rectangle</h3>

Since the perimeter of a rectangle is given by the formula;

  • Perimeter, P = 2l + 2w.

In essence, Perimeter, P = 2(2d – 3f) + 2(7d + 8f)

  • P = 4d -6f + 14d +16f

  • P = 18d +10f.

Ultimately, the perimeter of the rectangle is; (18d +10f) centimetres.

Read more on perimeter of a rectangle;

brainly.com/question/17297081

4 0
2 years ago
8 times the square of a nonzero number is equal to 96 times the number. What is the number?
Bingel [31]
8x^2 = 96x
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8x = 0....x = 0

x - 12 = 0
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ur number is 12

5 0
4 years ago
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Blizzard [7]

Answer:

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Step-by-step explanation:

if 1/4 is 24, then 1 is 6. this is like a ratio where it is like 25:24, as in 25%. if you x4 to get 100%, 24 becomes 96.

6 0
3 years ago
Read 2 more answers
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