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murzikaleks [220]
3 years ago
7

How do I do this again ? I totally forgot ‍♀️

Mathematics
1 answer:
AnnZ [28]3 years ago
8 0
5 + (-3) - 6
------------------------
Let's do the first part
5 + (-3) whenever you see a problem where you add a negative number just think of it as subtracting
5 - 3 = 2
-------------------------------------------
2 - 6 = -4
-4 is your answer
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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
the height of a cone-shaped statue is 9ft, and the diameter is 12 ft. what is the approximate volume of the statue? Use 3.14 to
Lady bird [3.3K]

Answer:

1017.36

Step-by-step explanation:

9times 36=324

324 times pi =1017.36

8 0
3 years ago
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Is the function represented by the table non-linear?
Vladimir79 [104]

Answer:

Step-by-step explanation:

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3 0
3 years ago
What’s the answer to this
Kryger [21]
C. Is the correct answer
6 0
4 years ago
SHORT RESPONSE Two angles of a triangle have measures of 35° and 80°. Find the values of the exterior angle measures of the tria
Oduvanchick [21]

Answer:

Step-by-step explanation:

Before giving the exterior angles, find the third angle. A triangle (all triangles) measure 180 degrees.

35 + 80 + x = 180

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x = 65

Exterior angles are supplements of the interior angles.

So the exterior angle to 65 degrees is 180 - 65 = 115

And the exterior angle to 35 degrees is 180-35 = 145

The exterior angle to 80 degrees is 180 - 100 = 80

5 0
3 years ago
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