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2 years ago

In a regular seven-sided polygon, how many diagonals can be drawn from one vertex?

Mathematics

1 answer:

Sergeu [11.5K]2 years ago

8 0

Answer:

Step-by-step explanation:

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inessss [21]

D is the answer. Hope this helps!

7 0

2 years ago

How do I fine the sun and difference of number 16?

Julli [10]

Difference=subtract sum=add. just answering so you don't waste points :-)

6 0

3 years ago

Which of the sets of equations represent the two lines graphed?

Oksi-84 [34.3K]

Answer:

B) y = x + 2 and y = -x - 4

Step-by-step explanation:

Let the equation of a straight line with x-intercept 'a' and y-intercept 'b' be

$\frac{x}{a} + \frac{y}{b} = 1$

The line with positive slope has x-intercept a=-2 and y-intercept b=2.

Its equation is:

$\frac{x}{ - 2} + \frac{y}{2} = 1$

Multiply through by 2

$- x + y = 2$

Solve for y,

$\boxed {y = x + 2}$

For the line with a negative slope,

the x-intercept is a=-4 and the y-intercept is b=-4

Its equation is

$\frac{x}{ - 4} + \frac{y}{ - 4} = 1$

Multiply through by -4

$x + y = - 4$

Solve for y

$\boxed {y = - x - 4}$

4 0

2 years ago

Write as a product of two polynomials. (x-y)^2-a(y-x)

11Alexandr11 [23.1K]

Answer:

(x-y) (a+x-y)

Step-by-step explanation:

(y-x)=-(x-y)

-a(y-x) = a(x-y)

(x-y)^2 = (x-y)(x-y)

(x-y)(a + x - y)

3 0

2 years ago

What are the real and complex solutions of the polynomial equation? X4-41x2=-400

stich3 [128]

For the answer to the question above, I'll provide a solution for my answer below.
x^4 - 41x^2 = - 400
=> x^4 - 41x^2 + 400 = 0 
=> x^2 = (1/2) [41 ±√(1681 - 100)] 
=> x^2 = (1/2) (41 ± 9) 
=> x^2 = 16 or 25

So, therefore, the answers for your problem are
=> x = ± 4 or ± 5.

I hope my answer helped you.

8 0

2 years ago

In a regular seven-sided polygon, how many diagonals can be drawn from one vertex?​

In a regular seven-sided polygon, how many diagonals can be drawn from one vertex?