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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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An equation is written to represent the relationship between the temperature in Alaska during a snow storm, y, as it relates to
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the first and fourth quadrants

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4 years ago
Calculate the average time it took the car to travel 0. 25 and 0. 50 meters with four washers attached to the pulley. Record the
Luba_88 [7]

The average time it took the car to travel 0. 25 and 0. 50 meters with four washers attached to the pulley,

  • For the average time it took the car to travel 0. 25 meters will be  2.23 seconds
  • For the average time it took the car to travel 0. 50 meters will be 3.13 seconds.

Given:  Average time it took the car to travel is  0. 25m & 0. 50m

The average time it took the car to travel 0. 25 meters

Here we will solve by formula of Average i.e.

   =\rm \dfrac{Trial \;1 \;time + Trial\; 2\; time + Trial \;3\;time}{3}\\\\= \dfrac{(2.24 + 2.21 + 2.23)}{3}

On solving further we get,

  \dfrac{6.68}{3}= 2.226667 \\\\= \rm 2.23\; seconds ( round off to  2 decimal places).

Similarly, The average time it took the car to travel 0. 50 meters

  =\rm \dfrac{Trial \;1 \;time + Trial\; 2\; time + Trial \;3\;time}{3}\\= \dfrac{(3.16 + 3.08 + 3.15)}{3}

On solving further we get,

     \rm \dfrac{9.39}  3 = 3.13 seconds\\\\= 3.13\; seconds

Therefore, The average time it took the car to travel 0. 25 and 0. 50 meters with four washers attached to the pulley,

  • For the average time it took the car to travel 0. 25 meters will be  2.23 seconds
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Learn more about Average here : brainly.com/question/25796948

8 0
3 years ago
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