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3 years ago

True or false the focus of an ellipse lie on the major axis of the ellipse

Mathematics

2 answers:

ladessa [460]3 years ago

8 0

Answer:

True

Step-by-step explanation:

In an ellipse, the longer axis is called the major axis and the shorter axis called the minor axis . Vertices are the endpoints of major axis and co-vertices are the endpoints of minor axis.

The midpoint of major and minor axis is known as the centre of ellipse.

Foci are the the two points on the major axis of the ellipse such that sum of distance of the foci from the point on the ellipse is constant.

Foci basically lie on the major axis.

So, the given statement ''the focus of an ellipse lie on the major axis of the ellipse'' is true.

castortr0y [4]3 years ago

5 0

Answer:

false

Step-by-step explanation:

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Mike has a barrel in the barn to keep water for his cows. The barrel is 4.5 feet tall and has a diameter of 3 feet. Approximatel

sergiy2304 [10]

Answer:

Approximately $238\ gallons$

Step-by-step explanation:

we know that

The volume of a cylinder (barrel) is equal to

$V=\pi r^{2}h$

in this problem we have

$h=4.5\ ft$

$r=3/2=1.5\ ft$ -----> the radius is half the diameter

substitute

$V=(3.14)(1.5^{2})(4.5)=31.7925\ ft^{3}$

<u>Convert to gallons</u>

$31.7925\ ft^{3}*7.5=238.44\ gallons$

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3 years ago

Amelia and Carmen read every night. Amelia reads the same number of pages each night. So does Carmen. The table shows the number

aev [14]

Answer:

Carmen's book by 13 pages.

Step-by-step explanation:

Step one

225-175 to get 50 pages per every 2 night for Amelia

Step two

224- 160 to get 64 pages every 2 night for Carmen

Step 3

Add 225 and 50 to get 275

Step 4

Add 224 and 64 o get 288

Step 5

Subtract 275 from 288 to get 13

3 0

3 years ago

Read 2 more answers

What is 9 825 rounded to the nearest 5, 10,100 and 1000?

anzhelika [568]

Answer:

9.825 rounded to nearest 5-9.82500

10-9.8

100-9.83

1,000-9.825

Step-by-step explanation:

You can also look up a rounding calculator if you need more help :)

6 0

3 years ago

Find the value X in this figure

Lady_Fox [76]

The angle of x is 65
i hope this helps

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3 years ago

Donald is counting chairs in the auditorium there are 6 sections with 40 chairs each on each of 2 sides how many vhairs were on

Marat540 [252]

The answer is 240 chairs.

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3 years ago