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Anvisha [2.4K]
3 years ago
15

How would i solve this ?​

Mathematics
1 answer:
Papessa [141]3 years ago
3 0

Answer:

2250000 meters squared

Step-by-step explanation:

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Find center,foci, and vertices of ellipse (x+3)^2/21+(y-5)^2/25=1
sasho [114]
I don't know if we can find the foci of this ellipse, but we can find the centre and the vertices. First of all, let us state the standard equation of an ellipse. 

(If there is a way to solve for the foci of this ellipse, please let me know! I am learning this stuff currently.) 

\frac{(x-x_{1})^2}{a^2}+ \frac{(y-y_{1})^2}{b^2}=1

Where (x_{1},y_{1}) is the centre of the ellipse. Just by looking at your equation right away, we can tell that the centre of the ellipse is: 

(-3,5)

Now to find the vertices, we must first remember that the vertices of an ellipse are on the major axis. 

The major axis in this case is that of the y-axis. In other words, 

b^2>a^2 

So we know that b=5 from your equation given. The vertices are 5 away from the centre, so we find that the vertices of your ellipse are: 

(-3,10)
 & (-3,0)

I really hope this helped you! (Partially because I spent a lot of time on this lol) 

Sincerely,

~Cam943, Junior Moderator
6 0
4 years ago
Which equation represents the explicit formula for a constant velocity arithmetic sequence?
k0ka [10]

The equation which represents the explicit formula for a constant velocity arithmetic sequence is; Choice A; xₙ = x₁+(n-1)(v•△t).

<h3>Which equation among the answer choices represents the explicit formula for a constant velocity arithmetic sequence?</h3>

It follows from convention that an arithmetic sequence is usually defined by an expression of the form;

T(n) = T(1) + (n-1)×d in which case, d = common difference.

Consequently, in the event that the velocity in discuss is constant, it follows that the required expression is; Choice A; xₙ = x₁+(n-1)(v•△t).

Therefore, xₙ = x₁+(n-1)(v•△t) represent the equation for explicit formula for a constant velocity arithmetic sequence.

Read more on arithmetic sequence;

brainly.com/question/6561461

#SPJ1

3 0
2 years ago
Cuanto es la mitad de 76
xeze [42]
La mitad de 76 es 38
4 0
3 years ago
A cow is tied by a 25 meter rope to the corner of a barn shown. a fence keeps the cow out of the garden. find the total grazing
sergejj [24]
Area
\pi {r}^{2}  \\  =  \frac{22}{7}  \times  {25}^{2}  \\  = 1964.3
Answer is 2000 (after rounding to nearest thousands).

Hope this helps. - M
3 0
3 years ago
3. A technician worked 45 hours in one week He gets paid double for every hour over 40 hours that he works. If his regular wage
8090 [49]

Answer: 41,250$ (I think)

Step-by-step explanation:

1 hour —> 825$

40 hours —> 825$ x 40 = 33,000$

The after the 40 hours he gets paid x2 and he works for 5 hours

1 hour —> 825$ x 2 = 1,650$

5 hours —> 1650$ x 5 = 8,250$

33,000 + 8,250 = 41,250$

6 0
3 years ago
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