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Kay [80]
3 years ago
10

Describe in your own words what an ellipse is.

Mathematics
2 answers:
Leto [7]3 years ago
5 0

Answer:

An ellipse is a plane curve surrounding two focal points

An ellipse is the set of all points in a plane such that the sum of the distances from two fixed points (foci) is constant

gtnhenbr [62]3 years ago
3 0
An eclipse is a moon in the day coming out to join with the sun and form an ellipse
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How long will it take for carbon 14 to decay to 10 % of it's original amount
Julli [10]
I believe that it will take one day
5 0
3 years ago
Find the volume of the prism. Round to the nearest tenth if necessary.
Lubov Fominskaja [6]

Answer:

14.7 (Because you asked for no units)

Step-by-step explanation:

The volume of this triangular prism is 1/2 BHL

0.5 * 3.5 * 2 * 4.2 = 14.7 ft^3

3 0
1 year ago
The circumference of a circle is 5 Pi cm. What is the area of the circle?
Ber [7]

Answer:

6.25 pi cm^2

Step-by-step explanation:

The formula for circumference is

C = 2*pi*r

We know the circumference is 5 pi

5 pi = 2 * pi *r

Divide each side by pi

5 pi/pi = 2 * pi *r/pi

5 = 2r

Divide by 2

5/2 = 2r/2

2.5 = r

We need to find the area of the circle

The area is given by

A = pi * r^2

   = pi * (2/5)^2

    = pi *6.25

    = 6.25 pi cm^2

4 0
3 years ago
Read 2 more answers
What is 3k +2 ( 5k - 3) = 7
polet [3.4K]

Answer:

k= -0.2

Step-by-step explanation:

3+2(5k-3)=7              (original)

3+10k-6=7                 (distribute 2 in (5k-3))

9+10k=7                    (combine like terms 3+-6)

10k=-2                       (subtract 9 on both sides to isolate k)

k=-0.2                       (divide 10 on both sides to get you're answer/isolate k)

3 0
2 years ago
What is the expression to find the distance between the points A and T
navik [9.2K]

Answer:

<h2>9</h2>

Step-by-step explanation:

The <u>square root </u>of

d=(x2​−x1​)^2+(y2​−y1​)^2​

A=(2,5) coordinates 1

T=(5,5) coordinates 2

So we put (5-2)^2 plus (5-5)^2

(3)^2+(0)^2

9+0

9

<h3><u>Brainliest please!</u></h3>
6 0
3 years ago
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