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likoan [24]
3 years ago
7

What is an equation in standard form of an ellipse centered at the origin with vertex (-6,0) and co-vertex (0,4)?

Mathematics
2 answers:
Anna [14]3 years ago
3 0
\frac{x^{2} }{36} + \frac{ y^{2}}{16} = 1

This is because the standard form of an ellipse is 

\frac{ x^{2} }{ a^{2} } + \frac{ y^{2} }{ b^{2} } = 1

where a is the vertex and b is the co-vertex. So when we stick their respective x and y values in and then square them, you're left with the answer above. 
Nonamiya [84]3 years ago
3 0

Answer:

\frac{x^{2} }{36}+\frac{y^{2} }{16}=1

Step-by-step explanation:

As we know standard equation of n ellipse is \frac{(x-0)^{2} }{(-6)^{2}}+\frac{(y-0)^{2} }{(4)^{2} }=1

In the given equation (h, k) is the center, a is the vertex and b is the co-vertex.

Here vertex is (-6, 0) and co-vertex is (0, 4)

Therefore, length of a = -6, b = 4 and origin is (0, 0)

Now the equation of the ellipse will be

\frac{(x-0)^{2} }{(-6)^{2}}+\frac{(y-0)^{2} }{(4)^{2} }=1

\frac{x^{2} }{6^{2}}+\frac{y^{2} }{4^{2} }=1

\frac{x^{2} }{36}+\frac{y^{2} }{16}=1

Therefore, the equation of the ellipse will be \frac{x^{2} }{36}+\frac{y^{2} }{16}=1

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Here are some prices customers paid for different items at a farmer’s market. Find the cost for 1 pound of each item.
posledela

Answer:

  • 1 pounds of apples = \1·25
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Step-by-step explanation:

Unit Rate is the ratio between two different quantities with different units

The ratio of cost per items is

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Divided 4 both the side

1 pounds of apples = \1·25

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\frac{1}{2} pounds = \3·50

Divided \frac{1}{2} both the side

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\frac{3}{2} pounds = \8·25

Divided \frac{3}{2} both the side

1 pounds of coffee beans = \5·5

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\frac{3}{4} pounds = \6·75

Divided \frac{3}{4} both the side

1 pounds of fudge = \9

\frac{25}{4} pounds of pumpkin is = \5·50

\frac{25}{4} pounds = \5·50

Divided \frac{25}{4} both the side

1 pounds of pumpkin = \0·88

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Step-by-step explanation:

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