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KatRina [158]
3 years ago
13

8. Identify the domain and range to the following relations and state whether or not the relations are functions. State why or w

hy not the relation is a function.
Domain:

Range:

Is this a function? Yes or No? Explain your answer.​

Mathematics
1 answer:
irinina [24]3 years ago
7 0

Answer:

domain (-2, -1, 1, 2, 3)

range (-2, -1, -1, 1, 3)

this is not a function because y-values repeat

Step-by-step explanation:

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Answer:

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3 years ago
A triangle has a perimeter of 50. If 2 of its
Ronch [10]

Answer:

20 units

Step-by-step explanation:

Let the equal sides of the triangle be x.

Then the third side will be (x+5) units

Since the perimeter is 50, we have:

x + x + (x + 5) = 50

We simplify to get:

3x + 5 = 50

This implies that:

3x = 50 - 5

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Divide both sides by 3 to get:

x =  \frac{45}{3} = 15

The length of the third side is:

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4 0
3 years ago
I need help, please answer A and B.
qwelly [4]

Answer:

a. 81 square inches

b. 108 inches

Step-by-step explanation:

The area of all 5 squares combined is 405 square inches. This is 5 times the area of 1 square. 405/5 = 81. The area of 1 square is 81 square inches.

Since this is a square, the sides are equal. Thankfully the area of 1 square is a perfect square so the length of one side of the square is a full number, which is 9. All of the squares are congruent as shown in the diagram so we simply add every length together (there are 12 sides, each side is 9 inches).

12*9 = 108 and that is the perimeter.

5 0
3 years ago
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Set A = 3, 4, 7<br> Set B = 4, 8, 9<br> What is the union of sets A and B?
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Answer:

Step-by-step explanation:

A∩B = 4

7 0
3 years ago
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10. Marvin is painting three squares shaped like
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Answer:

A certain cube has a side length of 25 m.  How many square tiles, each with an area of 5 m2, are needed to fully cover the surface of the cube?

Possible Answers:

500

1000

200

100

750

Correct answer:

750

6 0
4 years ago
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