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marshall27 [118]
3 years ago
15

Which of the following statements best describes the relationship between any point on an ellipse and each of its two foci

Mathematics
2 answers:
vazorg [7]3 years ago
8 0

Answer:

<h2>D. the sum of the distances to each focus equals a certain constant.</h2>

Step-by-step explanation:

In mathematics, an elipse is defined as a curve which surrounds two focal points. The relation between the two focal points and a points on the curve is what defines an elipes, which is "the sum of the two distances to the focal points is a constant".

Therefore, the right answer to this question is D, because that's the defintion of an elipse.

Bezzdna [24]3 years ago
6 0

Answer:

Option D is correct.

Step-by-step explanation:

The relationship between any point on an ellipse and each of its foci is:

The sum of the distances to each focus equals a certain constant. The constant will be 2a

If d₁ and d₂ are the distances then their sum is d₁ + d₂ = 2a.

Option D is correct.

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Does anyone know this ? i'm stuck.. i'll give you brainliest and 15 points !! pls show work.
insens350 [35]

Answer:

2y+3 is parallel or the same as QR and PS

5 0
2 years ago
Here is a easy question :- if -25/5 x p/q =1 , then p/q is equal to ?
bazaltina [42]

Answer:

p/q = -5/25

multiply-25/5 × -5/25 You'll get the answer as 1.

3 0
2 years ago
Read 2 more answers
Question is attached!​
saul85 [17]

Answer:

$3,000 was invested in the account that gained 13%

$17,500 was invested in the account that lost 10%

Step-by-step explanation:

Let the amount in both accounts be x and y

x for the first and y for the second

Adding both is 20,500

x + y = 20,500 •••••(i)

First account earned 13% profit

= 13/100 * x = 0.13x

Second account, a loss of 10%

= -10/100 * y = -0.1y

Total loss of -1,360

This is;

-0.1y + 0.13x = -1,360 •••••••(ii)

From i, x = 20,500-y

Insert this into ii

-0.1y + 0.13(20,500-y) = -1,360

-0.1y + 2665 -0.13y = -1360

-0.23y = -1360-2665

-0.23y = -4025

y = -4025/-0.23

y = 17,500

To get x, we have

x = 20,500 -y

x = 20,500- 17,500

x = 3,000

3 0
2 years ago
Find the value of each variable in the diagram given that a ∥ b.
Alika [10]

The values are as follows:

z=50

v= 150

x= 100

y=15

w= 50

<h3>What is parallel lines?</h3>

Parallel lines are lines in a plane that are always the same distance apart.

z+130= 180   (Linear pair)

z=50

v+ 30 = 180  (Linear pair)

v= 150

x= 180- 30 - 50  (angle sum property)

x= 100

2y=30   (alternate interior angle)

y=15

w+x+2y=180  (Linear pair)

w+ 100 + 30 = 180

w= 50

Learn more parallel lines here:

brainly.com/question/16701300

#SPJ1

4 0
2 years ago
You buy a touch iPod for $200, but it loses value at a rate of 10% each year. How much is your phone worth after 3 years?
NISA [10]

Answer:

145.8

Step-by-step explanation:

200 times .9 times .9 times .9

Because it is 3 years

6 0
3 years ago
Read 2 more answers
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