2 years ago

Find the midpoint of line segment HX with coordinates H(-1,3) and X (7, -1).

Mathematics

1 answer:

viva [34]2 years ago

5 0

Answer:

OK midpoint is actually really easy I got u

Step-by-step explanation:

X2+X1 divided by 2

Y2+Y1 divided by 2

7+-1/2 is 6.5

-1+3/2 is 0.5

(6.5,0.5)

You might be interested in

How to slove for x?

Luba_88 [7]

Ok so you can see 2 triangles that i highlighted, flip it so it is the same direction as you can see from the drawing
using the similar triangle equation
you get
136/64 = x/136
cross multiply and get
64x=18496
x=289

hope it help

8 0

3 years ago

Find the sum of a finite geometric sequence from n = 1 to n = 6, using the expression −2(5)n − 1.

vazorg [7]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=-2\\
r=5\\
n=6
\end{cases}
\\\\\\
S_6=-2\left( \cfrac{1-5^6}{1-5} \right)$