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seraphim [82]
3 years ago
14

Which set of ordered pairs represents a function?

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0

The correct is:

[(-9,3),\:(-5,1),\:(7,-5),\:(4,3)]

The definition of a function is that for every value of x we get one from y.

In the first appears (-6,1) y (-6,-7), it is not a function, since it does not meet the definition given above, there can only be one value for x, if there are 2 or more, called relation.

In 2 repeat: (7,-6) and (7,0)

In 3 repeat: (1,-3) and (1,0)

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Omg my daughter and I are totally lost on this homework. Please help. It is multiplying decimals. She has to turn this in today.
Wewaii [24]

Answer:

5 x 0.6 = 5 x 6tenths, as 6/10 = 0.6

= 30 tenths

7 x 0.8 = 7 x 8tenths, as 8/10 is 0.8

= 56 tenths

Step-by-step explanation:

If you really want a more detailed explanation, just reply to this message.

5 0
3 years ago
The perimeter of a square JKLM is 48 units ..what is the x?
erastova [34]
P=4*a, where P - perimeter, a - length of one side of the square.
if a=x+3 and P=48, then 4(x+3)=48;
x=9.
Answer: 9 units.
4 0
3 years ago
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Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
3 years ago
It’s not C so I don’t which is the correct answer so can someone plz help me with this plzzz
uysha [10]

Answer:

22

Step-by-step explanation:

7 0
3 years ago
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Easy points for fun whats 9 times 9
sleet_krkn [62]

Answer:

81

Step-by-step explanation:

8 0
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