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GaryK [48]
3 years ago
5

Which statement about corollaries is true? A. Corollary is another term for theorem B. A corollary is a unique proposition unrel

ated to any theorem or postulate C. Corollary is another term for postulate or D. A corollary follows directly from a postulate or theorem?
Mathematics
2 answers:
lord [1]3 years ago
5 0
Your answer would be d hope this helps have a great day
djyliett [7]3 years ago
4 0
D I believe...........
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anyanavicka [17]
2 x 2 7/8 = 5 3/4 hope it helps

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4 years ago
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1. A Square shaped wooden plate has a diagonal length of 30cm. Can you find the Perimeter of plate ?
DerKrebs [107]

Answer:

84.85cm

Step-by-step explanation:

Let the sides of the square be x

The perimeter of the square = 4x

Get x using the pythagoras theorem

x^2 + x^2 = 30^2

2x^2 = 900

x^2 = 450

x = 21.21cm

Perimeter of the plate = 4(21.21)

Perimeter of the plate = 84.85cm

6 0
3 years ago
What is the equation of the vertical line through (-5,-2)?
vesna_86 [32]

Answer:

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Step-by-step explanation:

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3x+y=5  2x-2y=-2 solving systems of equations
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3 years ago
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Find center,foci, and vertices of ellipse (x+3)^2/21+(y-5)^2/25=1
sasho [114]
I don't know if we can find the foci of this ellipse, but we can find the centre and the vertices. First of all, let us state the standard equation of an ellipse. 

(If there is a way to solve for the foci of this ellipse, please let me know! I am learning this stuff currently.) 

\frac{(x-x_{1})^2}{a^2}+ \frac{(y-y_{1})^2}{b^2}=1

Where (x_{1},y_{1}) is the centre of the ellipse. Just by looking at your equation right away, we can tell that the centre of the ellipse is: 

(-3,5)

Now to find the vertices, we must first remember that the vertices of an ellipse are on the major axis. 

The major axis in this case is that of the y-axis. In other words, 

b^2>a^2 

So we know that b=5 from your equation given. The vertices are 5 away from the centre, so we find that the vertices of your ellipse are: 

(-3,10)
 & (-3,0)

I really hope this helped you! (Partially because I spent a lot of time on this lol) 

Sincerely,

~Cam943, Junior Moderator
6 0
4 years ago
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