The sum of the measure of the interior angles of a polygon is 1080 what kind of polygon is it?

Answers

Answer 1

Answer: Hello,
Suppose n the number of vertex.
From a vertex, we can draw n triangles.
sum of angles :(n-2)*180
180n-360=1080
==>180n=(1080+360)
==>n=8
An octogon

Answer 2

Answer:

Answer:

octagon

Have a nice day

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Look at this equation k + 31 = 72 Which related equation below will correctly solve for the variable k? Question 1 options: k = 72 + 31 k = 72 - 31 k = 72 · 31 k = 72 ÷ 31

Answers

Answer:

To solve for the variable "k" in the equation "k + 31 = 72," you need to isolate "k" on one side of the equation. Here's how you can do it using friendly words and reasons:

1. Start with the original equation: "k + 31 = 72."

2. To isolate "k," you want to get rid of the "31" on the left side of the equation. You can do this by subtracting 31 from both sides to keep the equation balanced.

3. Subtract 31 from both sides:

"k + 31 - 31 = 72 - 31."

4. Simplify both sides:

"k = 41."

Step-by-step explanation:

So, the correct equation to solve for the variable "k" is: "k = 72 - 31," and this will give you the value of k, which is 41.

Determine the number of solutions to a system of equations.y = -6x-2, y = -6x-2
One Solution
No Solution
Infinitely Many Solutions
y = 0.5x + 5, y = 0.5x + 1
y = 0.25x - 2. y = 5x - 4
y = 2x + 3. y = 4x -1
y = 2x + 1.5, y = 2x + 1.5
y = -x - 3y = -x + 3

Answers

y = - 6x - 2 and y = - 6x - 2 has infinitely many solutions.

y = 0.5x + 5 and y = 0.5x + 1 has no solution.

y = 0.25x - 2 and y = 5x - 4 has one solution.

y = 2x + 3 and y = 4x -1 has one solution.

y = 2x + 1.5 and y = 2x + 1.5 has infinitely many solutions.

y = -x - 3 and y = -x + 3 has has no solution.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

If the slopes are different then one solution.
If the slopes are the same but intercepts are different then no solution.
If the slopes and intercepts are the same then infinitelymany solutions.

y = - 6x - 2 and y = - 6x - 2 has infinitely many solutions.

y = 0.5x + 5 and y = 0.5x + 1 has no solution.

y = 0.25x - 2 and y = 5x - 4 has one solution.

y = 2x + 3 and y = 4x -1 has one solution.

y = 2x + 1.5 and y = 2x + 1.5 has infinitely many solutions.

y = -x - 3 and y = -x + 3 has has no solution.

More about the linear equation link is given below.

brainly.com/question/11897796

#SPJ2

Step-by-step explanation:

When we compare 2 system of equations (of the form y = mx + c), we take note of the following things:

If the values of m and c in both equations are the same, they have infinitely many solutions
If only the value of m is the same, they have no solutions
If neither is the same, they have 1 solution

Bearing this in mind, we have the following answers:

y = -6x - 2 and y = -6x - 2

=> Infinitely many solutions

y = 0.5x + 5 and y = 0.5x + 1

=> No solutions

y = 0.25x + 2 and y = 5x - 4

=> 1 solution

y = 2x + 3 and y = 4x - 1

=> 1 solution

y = 2x + 5 and y = 2x + 5

=> Infinitely many solutions

y = -x - 3 and y = -x + 3

=> No solutions

The seventh term of an arithmetic sequence is 21, the tenth term is 126. The first term is

Answers

Hi,
$a_(10)=a_0+10*r\na_7=a_0+7*r\na_(10)-a_7=3\ \Rightarrow 126-21=3r\ \Rightarrow r=35\na_7=a_0+7*r\ \Rightarrow 21=a_0+7*35\n\Rightarrow a_0=-224\n\Rightarrow a_1=-224+35\n\boxed{a_1=-189}$

Which ordered pair is the best estimate for the solution of the system of equations? y=3/2x+6y=1/4x−2

(−7,−3.5)

(−6,−3)

(−7,−4)

(−6.5,−3.5)

Answers

The answer is (-6.5,-3.5)

What do I get when I round 17,061 nearest 10th

Answers

its 17,061 i did it and i got that answer

The only way to do this is when there is a decimal.

How do I solve n^2-5n-14=0 by factoring

Answers

(N-7)(n+2)=0 as you'd get n^2-7n+2n-14 then just simplify. Then it would be n=-2 or 7

$n^2-5n-14=0 \n n^2-7n+2n-14=0\n n(n-7)+2(n-7)=0\n (n+2)(n-7)=0\n n=-2 \vee n=7$

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