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2 years ago

What is the sum of the interior angles of the polygon shown below?

Mathematics

2 answers:

WARRIOR [948]2 years ago

5 0

Answer:

n = 5

(n-2) X 180

3 x 180

540 degrees

pls mark as brainliest

GalinKa [24]2 years ago

5 0

Answer:

(for brainliest) (alt acc)

Step-by-step explanation:

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Can anyone help me please?

antoniya [11.8K]

Plug in (-1, 3) into both equations

Ax - 2y = 4

A(-1) - 2(3) = 4

-A - 6 = 4 Add 6 on both sides

-A = 10 Divide -1 on both sides

A = -10

5x + By = -1

5(-1) + B(3) = -1

-5 + 3B = -1 Add 5 on both sides

3B = 4 Divide 3 on both side

B = $\frac{4}{3}$

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2 years ago

Which are equivalent to 2 1/3 x 3/14? Check all that apply.

Usimov [2.4K]

I think is 1/2 sorry if I’m wrong

3 0

2 years ago

Simplify <br> -y^3 - 7 + 4 + 4y^3 + 11x^2 + 2x^2

pentagon [3]

1 Collect like terms

(−y3+4y3)+(−7+4)+(11x2+2x2)

2 Simplify 3y3−3+13x2 to:

3{y}^{3}-3+13{x}^{2}

Answer: 3y^3−3+13x^2

5 0

3 years ago

Can y’all help me?

Tasya [4]

Answer:

402.1 in^2

Step-by-step explanation:

Find the area of the circle with the 18 in. radius first.

Formula for a circle is πr^2

So the area of the circle with the 8 in. radius is 1017.9 in^2

Now do the same for the 14 in. radius circle.

The area for the 14 in. radius circle is 615.8

Now subtract:

1017.9 - 615.8 =

402.1 in^2

hope this helped!

7 0

2 years ago

If SQ=11x-26 and PR=5x+28,find PR.

Lisa [10]

Answer:

The full Question is attached in the picture below.

PR = 5(9) +28 = 73

Step-by-step explanation:

Since the figure is a rectangle

SQ = PR

11x-26 = 5x +28

6x = 54

x = 9

5 0

3 years ago