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postnew [5]
3 years ago
6

Which of the following statements about an ellipse is NOT true?

Mathematics
1 answer:
jeyben [28]3 years ago
7 0

Answer: (b) The focus of an ellipse is always located precisely at the center of the ellipse.

Step-by-step explanation:

An ellipse is defined as <em>"a closed curve with two axes of symmetry (major axis and minor axis) that results in cutting the surface of a cone by an oblique plane to the axis of symmetry with an angle greater than that of the generatrix with respect to the axis of revolution"</em>. That is why the ellipse is considered a conic figure.

To understand it better: an ellipse has two points on its major axis that are equidistant from the center , which are called foci,  being this distance constant. In addition, the eccentricity allows to know how far the foci are from the center of the ellipse.

Therefore, the statement that indicates an ellipse has only one focus located  precisely at the center is incorrect.

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There are 4 sports stores,9 clothing stores and 6 jewelry stores ina shopping crnter which ratio compares the number of sports s
Pani-rosa [81]

The ratio is  2 : 9

Step-by-step explanation:

Given:

The number of sports store = 4

The number of clothing store  = 9

The number of jewellery stores = 5

To Find :

The ratio of number of sports stores to the total number of stores

Solution:

The ratio of number of sports stores to the total number of stores

= \frac{\text{number of sports store}}{\text{ Total number of stores}}

The total number of stores =  number of sports store + number of clothing store + number of jewellery store

The total number of stores = 4 + 9 + 5

The total number of stores = 18

Now the ratio is

= \frac{4}{18}   or 4  :  8

The ratio after reduction is

=\frac{2}{9} or 2 : 9  or   2 to 9

7 0
4 years ago
What is the answer ?
maks197457 [2]

Answer:

a rational number

Step-by-step explanation:

a rational number + a rational number will always be a rational number.

7 0
3 years ago
Dion is playing the game tag with his friend bill they have played the games every day during play time at school for the last 4
Margarita [4]
You would subtract how many times Dion tagged bill with how many times bill tagged Dion, so 12 - 7 = 5
7 0
3 years ago
Read 2 more answers
Help me asp 25 points and will mark
denpristay [2]
Y=10x, 10 is the amount of money Miranda earns per hour , x is the amount of hours she works, y is the total amount of money she earns.
For Tommy’s earnings, use slope formula, which is y=y2-y1/x2-x1, take two random points from the table, (4,32) and (5,40)
(4,32) is (x1,y1). (5,40) is (x2,y2)
40-32/5-4= 8/1
The answer is 8. y=8x
Miranda earns more money per hour than Tommy.
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3 years ago
Determine the values of X, Y and Z on the following number line:<br> HH<br> X -11 Y 9 Z
Dmitrij [34]
-11 y 17 with z and x on the line
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3 years ago
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