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Iteru [2.4K]
3 years ago
8

Question number 25, a.

Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0
23
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The equation (x-7^2/64)+(y+2)^2/9=1 represents an ellipse.
gregori [183]

Answer:

<em>Vertices of the ellipse are, </em><em>(15, -2) and (-1, -2)</em>

Step-by-step explanation:

The equation of the ellipse is,

\dfrac{\left(x-7\right)^2}{64}+\dfrac{\left(y+2\right)^2}{9}=1

The general equation of ellipse with centre as (h, k) is,

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1

Comparing the given equation with the general form, we get the centre of the given ellipse at (7, -2) and a=8, b=3

The line through the foci intersects the ellipse at two points, the vertices.

We know that the coordinates of the vertices when (a>b) are,

=(h\pm a,k)

So, vertices of the given ellipse are,

=(7+8,-2),(7-8,-2)\\\\=(15,-2),(-1,-2)


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3 years ago
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Please help me on number (15) Will mark brainliest
vesna_86 [32]

Answer:

that will be 12

Step-by-step explanation:

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3 years ago
There are 7.55 grams of sugar in 5 servings of strawberries. How many grams of sugar are in a single serving of strawberries?
balandron [24]

Answer:

1.51

Step-by-step explanation:

Divide 7.55 by 5 and it equals 1.51

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Easy math for smart people problem: w+6=2(w-6)
ANTONII [103]

Answer:

w=18

Step-by-step explanation:

w+6=2(w-6)

w+6=2w-12

w+18=2w

18=w

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Coach Bruch had 12 quarts of milk. How much is this in cups?
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Answer: 48

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