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laiz [17]
4 years ago
12

Find the value of x

Mathematics
1 answer:
valina [46]4 years ago
7 0

Answer:

picture is blurry

Step-by-step explanation:

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which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9
elena55 [62]

Step-by-step explanation:

\frac{(x - 2) {}^{2} }{4}  +  \frac{(y + 5) {}^{2} }{9}  = 1

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

{c}^{2}  =  {a}^{2}  -  {b}^{2}

Here a^2 is 9, b^2 is 4.

{c}^{2}  = 9 - 4

{c}^{2}  = 5

c =  \sqrt{5}

So our foci is

(2, - 5 +  \sqrt{5} )

and

(2, - 5 -  \sqrt{5} )

6 0
2 years ago
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
AlladinOne [14]

Answer:

the domain of the function is 1 >= y >=9

5 0
3 years ago
when you go to answer this, can someone please give me the steps on how to do it, because I think I'm doing it wrong ​
leva [86]

Answer:

TUA=123

Step-by-step explanation:

so first we find <TUS in terms of x

so 180-11x-2

178-11x

so now we can use the sum of a triangle's angles which is always 180 to find the angles in triangle TUS

178-11x+5x+10+58=180

178-6x=112

take 178 from both sides

-6x=-66

x=11

so we can do 11x11+2=TUA

TUA=123

6 0
3 years ago
sarah used The repeated addition problem below to show problem 5+5+5+5+5 which multiplication problem did he solve
umka2103 [35]
The answer is 5x5 = 25
6 0
3 years ago
Read 2 more answers
Keira rented a car for 3 days. She paid $118 rent
Stells [14]

Answer:

389

Step-by-step explanation:

3*118 + 35

6 0
3 years ago
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