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yanalaym [24]
3 years ago
5

I need help plz ASAP

Mathematics
2 answers:
Gemiola [76]3 years ago
6 0

Answer:

2nd one down

Step-by-step explanation:

CaHeK987 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

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Peter has built a gazebo, whose shape is a regular heptagon, with a side length of $1$ unit. He has also built a pathway around
Sholpan [36]

Answer:

Area of pathway = 10.375 unit²

Step-by-step explanation:

Given - Peter has built a gazebo, whose shape is a regular heptagon, with

             a side length of 1 unit. He has also built a pathway around the

             gazebo, of constant width 1 unit, as shown below.

To find -  Find the area of the pathway.

Proof -

Central angle = \frac{360}{7} = 51.43°

Now,

Central angle / 2 = \frac{360}{14} = 25.71°

And

height = \frac{1}{2}.\frac{1}{tan25.41} = 1.038

Now,

Inner area of gazebo = 7·\frac{1}{2}·1·(1.038) = 3.634 unit²

Outer area of gazebo = (\frac{2.038}{1.038})²·(3.364) = 14.009 unit²

∴ we get

Area of pathway = Outer area - Inner area

                            = 14.009 - 3.634

                            = 10.375 unit²

⇒Area of pathway = 10.375 unit²

5 0
3 years ago
What is the discriminant of the quadratic equation 0 = –x2 + 4x – 2?
kvv77 [185]
0=-x2+4x-2
+x2-4x+2=+x2-4x+2
___________________
x2-4x+2=0

(-4)^2-4(1)(2)

16-8

Final Answer: 8

3 0
3 years ago
Read 2 more answers
Determine the domain of the function:
PtichkaEL [24]

Answer:

Domain: Range of x values

  • Notice how the function never touches 0
  • Hence all values for x not including 0

6 0
2 years ago
Can someone pls help!!<br> i need this in in 5 minutes!
Alenkasestr [34]

Answer:

48x²

Step-by-step explanation:

Area of rectangle=(a×b)

=8x×6x

=48x²

7 0
3 years ago
What is the value of x? Enter your answer in the box. X=__
Triss [41]

Step-by-step explanation:

3x+50=6x-10

50=3x-10

60=3x

x=20

6 0
3 years ago
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