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kupik [55]
2 years ago
12

Select the correct answer.

Mathematics
1 answer:
aalyn [17]2 years ago
4 0
The answer is D because it just is D
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HELP. How long is the minor axis for the ellipse shown below?
kifflom [539]

Given:

The equation of ellipse is

\dfrac{(x+4)^2}{25}+\dfrac{(y-1)^2}{16}=1

To find:

The length of the minor axis.

Solution:

The standard form of an ellipse is

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

where, (h,k) is center, if a>b, then 2a is length of major axis and 2b is length of minor axis.

We have,

\dfrac{(x+4)^2}{25}+\dfrac{(y-1)^2}{16}=1      ...(ii)

On comparing (i) and (ii), we get

b^2=16

Taking square root on both sides.

b=\pm 4

Consider only positive value of b because length cannot be negative.

b=4

Now,

Length of minor axis = 2b

                                  = 2(4)

                                  = 8

So, the length of minor axis is 8 units.

Therefore, the correct option is B.

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2 years ago
Write the definition of Congruent Segments<br>as a Biconditional Statement.​
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Answer:

A bi conditional statement is a combination of a conditional statement and its converse written in the if and only if form. Two line segments are congruent if and only if they are of equal length

Step-by-step explanation:

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A veterinarian divided 4/5 of a bottle of medicine equally among 4 sick cats. How much did she give each sick cat?
boyakko [2]
I think it’s 1/5 or 3 1/5
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When figuring the pooled population variance estimate in a t test for independent means?
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Wait is the middle school.
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