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Novosadov [1.4K]
2 years ago
13

The length of one of two chords of a

Mathematics
2 answers:
garri49 [273]2 years ago
6 0
9.6 cementers in two chords
d1i1m1o1n [39]2 years ago
3 0

Answer:

9.6cm

Step-by-step explanation:

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the midpoint of kl is m(4.8, -7.8). one endpoint is l(0.6, -5.6). find the coordinates of the other endpoint k.
Vera_Pavlovna [14]
\bf ~~~~~~~~~~~~\textit{middle point of 2 points }\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&k&(~ x &,& y~) 
%  (c,d)
&l&(~ 0.6 &,& -5.6~)
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{ x_2 +  x_1}{2}\quad ,\quad \cfrac{ y_2 +  y_1}{2} \right)

\bf \left( \cfrac{0.6+x}{2}~~,~~\cfrac{-5.6+y}{2} \right)~=~\stackrel{midpoint}{(4.8~,~-7.8)}\quad 
\begin{cases}
\cfrac{0.6+x}{2}=4.8\\\\
0.6+x=9.6\\
\boxed{x=9}\\
---------\\
\cfrac{-5.6+y}{2}=-7.8\\\\
-5.6+y=-15.6\\
\boxed{y=10}
\end{cases}
8 0
3 years ago
HELP................................................
Maslowich

Answer:

D. g(x) = 5x^2

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
1996 gail devers won the 100-meter dash in the olympic games. her times was 10.94 seconds. what was her speed in meters per seco
Alexeev081 [22]

Solving this problem is just pretty straight forward. We simply have to get the ratio of distance and time to get the speed. that is:

speed = distance / time

speed = 100 m / 10.94 s

<span>speed = 9.14 m/s</span>

6 0
3 years ago
In which of these situations would the answer to the question be 0
Jlenok [28]
Post the situations maybe?
8 0
3 years ago
Solving for x<br><br> r + 11 + 8r = 29
NikAS [45]

Answer:

r=2

Step-by-step explanation:

r + 11 + 8r = 29

add the like terms

r+8r+11=29

9r+11=29

then subtract 11 on both sides to eltimate 11

9r=18

lastly divide 9 on both sides

r=2

7 0
3 years ago
Read 2 more answers
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