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Eduardwww [97]
4 years ago
10

What are the coordinates of the focus of the conic section shown below?

Mathematics
1 answer:
Aleksandr [31]4 years ago
7 0
The answer is 
y^2-4x+4y-4=y^2+4y-4x-4=(y+2)²-4x - 8= 0
it is the same of    x + 2 = (1/4 ) (y+2)²
   
the main formula is  x-h= a (y-k)² so h=-2, k= - 2 and a=1/4
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3/4 + -3/8 + -1/4=?<br> Evaluate the expression
Ann [662]

Answer: -1/8

Step-by-step explanation:

3/4 + -3/8 + -1/4

Find the LCM of 4, 8, and 4

That's 8 so you make an equivalent fraction for all fractions so the denominator is 8.

3/4 = 6/8

-3/8 = -3/8

-1/4 = -4/8

Now the expression looks like this:

6/8 + - 3/8 + -4/8

6/8 - 3/8 - 4/8

6/8 - 7/8

-1/8

Hope that helped!

8 0
3 years ago
What is the length of the diagonal, d, of the rectangular prism shown below?
Svetlanka [38]

Answer: I think it’s 5 I’m not sure

Step-by-step explanation:

6 0
3 years ago
HELP 20 POINTS!
Butoxors [25]
For the first blank where it asks for the perimeter, the perimeter is all the outside sides of a shape added up. So, 6 + 1 + 2 + 4 + 4 + 5 = 22.

For the second blank, you just multiply the entire perimeter by 5, so, 22 times 5=110.

For the third blank, it is basically the same as the previous question. The answer is 5.

For the fourth blank, it is the same perimeter as the first blank, but instead of centimeters, it is in k. So, 22k.

Hope this helped! :)
4 0
3 years ago
Read 2 more answers
PLS HELP<br> Simply the expression by combining like terms.<br> 6x+9+2x+4=
sukhopar [10]

Answer:

Combine like terms: 18x + 15x = 33x

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Step-by-step explanation:

4 0
3 years ago
Y = 3/2x + 3<br> The slope and y-intercept
ra1l [238]

Answer:

Slope=3/2

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Step-by-step explanation:

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