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Burka [1]
3 years ago
10

What is a vertex . Please explain Thanks..

Mathematics
1 answer:
drek231 [11]3 years ago
3 0

Step-by-step explanation: In geometry, a vertex is where two rays share a common endpoint or where they interest each other.

The rays are called the sides of the angle and

common endpoint is called the vertex.

The vertex is very important when naming angles because

the vertex is always at the center when naming the angle.

Below is an example of two rays that share a

common endpoint which is called the vertex.

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In 2003, a school population was 903. By 2007 the population had grown to 1311. How much did the population grow between the yea
blsea [12.9K]

Answer:

The average population growth per year is 102.

Step-by-step explanation:

From the given data, we can find the slope which will give us the average rate of change. Our points are:

(2003, 903)\quad and \quad (2007, 1311)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}=\frac{1311-903}{2007-2003}\\\\m=102

Best Regards!

8 0
3 years ago
#The extremities of the diagonal of a square are (1,1 )and (-2, -1).Obtain the two other vertices and the equation of a next dia
pickupchik [31]
<h3>question:-</h3>

find the area of the triangle with vertices(1,2),(2,3),and(4,5).

5 0
3 years ago
Read 2 more answers
What two numbers add to make 16 but multiply to make -105?
tia_tia [17]
-5 and 21
21 - 5 = 16
21 × (-5) = -105
5 0
3 years ago
Cramers Rule? I am confused
timofeeve [1]

D is the determinant of the coefficient matrix:

D=\begin{vmatrix}3&-1\\-3&5\end{vmatrix}=3\times5-(-1)\times(-3)=12

D_x is the determinant of the coefficient matrix, but this time you replace the x-coefficients with the values on the right hand side of the equations:

D_x=\begin{vmatrix}-1&-1\\13&5\end{vmatrix}=(-1)\times5-(-1)\times13=\boxed{8}

8 0
4 years ago
Can someone help me please
Ilya [14]

Answer:

32

Step-by-step explanation:

Side AD = 4

9-5=4

Side DC = 13

a^2+b^2=c^2

5^2+12^2=c^2

25+144=c^2

169=c^2

13=c

Side AC = 15

a^2+b^2=c^2

9^2+12^2=c^2

81+144=c^2

225=c^2

15=c

6 0
3 years ago
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