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Lapatulllka [165]
3 years ago
10

Solve for x. Assume that lines are diameters?

Mathematics
2 answers:
Delicious77 [7]3 years ago
5 0
360 - 20 + 2x = 360
340 + 2x = 360
2x = 20
x = 10
exis [7]3 years ago
4 0

Answer:

I think x is 12.

the big half is 136

and the small half is 90

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The midpoint of Line
enyata [817]

\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ A(\stackrel{x_1}{1}~,~\stackrel{y_1}{-1})\qquad B(\stackrel{x_2}{x}~,~\stackrel{y_2}{y}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left( \cfrac{x+1}{2}~~,~~\cfrac{y-1}{2} \right)~~=~~\stackrel{M}{(3~~,~~1)}\implies \begin{cases} \cfrac{x+1}{2}=3\\[1em] x+1=6\\ \boxed{x=5}\\[-0.5em] \hrulefill\\ \cfrac{y-1}{2}=1\\[1em] y-1=2\\ \boxed{y=3} \end{cases}

4 0
3 years ago
Question in picture. Thanks!
KonstantinChe [14]
2x^2+4x+2
Carry the 2 over to the 3 behind the 4 and multiply so 2times2 is 4. So i new equation is.
X^2+4x+4
Now you have to find the factors of 4 which is 1,4 and 2,2
So now you have to see which one adds up to 4 so 1+4 is 5 so cross that out and 2+2=4.
So the two number is 2 and 2 now you have to bring down the x^2 and the signs.
(X+2) (X+2) and thats your answer
8 0
3 years ago
Suppose you have a mean = 12 and a standard deviation = 3. What is the probability that a data member, x, is above 18?
sattari [20]

Answer:

I dont knowsorry

5 0
3 years ago
842 rounded to the nearest ten
g100num [7]

Answer:

842 rounded to the nearest ten is 840

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the vertex of the parabola y = 8x2.
murzikaleks [220]

Answer:

vertex is at (0,0)

Step-by-step explanation:

Find the vertex of the parabola y = 8x2.

I assume you meant   y =  8* x^2

this can be compared to the general vertex form  y = a (x - h)^2 + k

where vertex at  (h, k)

so then...

h =0  and k = 0 here

vertex is at (0,0)

7 0
3 years ago
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