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torisob [31]
3 years ago
9

F = {(-1, 2), (3, 2), (4, 2), (0, 2)} Is F a function and why/why not?

Mathematics
1 answer:
o-na [289]3 years ago
6 0
No, because there is one output 2 for all inputs.
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Can someone please help me?
nadya68 [22]

Answer:

The answer is in the picture, hope it helps!

Step-by-step explanation:

3 0
2 years ago
Two regular pentagons have areas of 20 mm² and x² - x mm². What values of x make the pentagons congruent?
Aleksandr-060686 [28]

<u>Answer</u>

5 and -4


<u>Explanation</u>

If the two triangle are congruent then they have the same area.

20 = x² - x

x² - x - 20 = 0

x² - x + (1/2)² = 20 + (1/2)²

(x - 1/2)² = 20.25

x - 1/2 = √20.25

x - 1/2 = 4.5                             or    x - 1/2 = - 4.5

x = 4 1/2 + 1/2                                      x = -4 1/2 + 1/2

   = 5                                                      = -4

The values of x are 5 and -4.



8 0
3 years ago
Student Practice: Follow the steps in the example.
Sergio039 [100]

Answer:

1) Option B - 25.12 ft

2) Option C - 24.1 ft

Step-by-step explanation:

1) Given : The circular rug has a diameter of 8.2 feet.

To find : Which measurement is closest to the  circumference of the rug in feet?

Solution :

The circumference of rug is given by C=\pi d

Where, d is the diameter = 8.2 feet.

 C=3.14\times 8.2

 C=25.748\ ft

The most closest measurement is 25.12 ft.

Therefore, option B is correct.

2) Given : A circle has a diameter of 5.2 feet.

To find : Which measurement is closest to the  circumference of the circle in feet?

Solution :

The circumference of circle is given by C=\pi d

Where, d is the diameter = 5.2 feet.

 C=3.14\times 5.2

 C=16.328\ ft

The most closest measurement is 24.1 ft.

Therefore, option C is correct.

7 0
3 years ago
A Barrel in the Shape of a Cylinder is cut in half lengthwise to make the water trough for horses.​
attashe74 [19]
B (don’t mind this I need 20 characters
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3 years ago
HELP ASAP1!11!!11!1!!1!1!1!11!
Dmitry [639]

Answer:$450

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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