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yulyashka [42]
2 years ago
9

Please help 20 points

Mathematics
1 answer:
zysi [14]2 years ago
6 0

Answer:

i think 65 but if not then it is D impossible

Step-by-step explanation:

hope that helps

and that i wasn't to late

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Can I get some help please? <br><br><br> Thanks!
quester [9]
An ellipse (oval shape) is expressed by the following equation:

\frac{(x-h)^2}{a^2} + \frac{(y-k)^2}{b^2}=1 where h is the x coordinate of the center and k is the y coordinate of the center. Furthermore, a is the horizontal distance from the center, and b is the vertical distance from the center. Lastly, c is the distance from the center to one of the foci (they are spaced apart equally).

We can find the foci by using a^2 - b^2 = c^2

36 - 11 = c^2

c =  \sqrt{25}  = 5

Since the k value in this case is 0, the y value of both foci are 0. Also, since h and k are both 0, we know the center of the ellipse is at the origin.

So the foci are (-5, 0) and (5, 0)

Hope this helps :)

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3 years ago
Can someone help my little sister with her quiz? She gotta have it turned in by midnight!! So we need answers asap!!
fiasKO [112]
I’m pretty sure it’s the first one cause it’s half of the 6 blocks
4 0
3 years ago
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I need help on this
koban [17]

Answer:

TUS

2. 42 + 62= 104

then ,

180-104= 76

4 0
2 years ago
Thomas is opening a savings account. Which integer represents his possible balance after making a deposit?
Ray Of Light [21]
10 is the answer …………..
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2 years ago
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If sin phi sin theta = 0.2 and sin phi cos theta = -0.3 and sin phi &gt; 0 what is theta ? Repeat for sin phi &lt; 0.
Rina8888 [55]

Answer:

θ = -33.69°

Step-by-step explanation:

For Φ>0 and Φ<0  (in general Φ≠nπ  where n is an integer), sin(Φ) ≠ 0

Dividing both equations:

\frac{sin(\phi) sin(\theta)}{sin(\phi)cos(\theta)} = tan(\theta) = 0.2/(-0.3)=-2/3\\

Therefore:

arctan(θ) = -2/3

  θ = -33.69°

The answer does not depend on the sign of Φ, in fact we just need that the sine does not become zero, which occurs when Φ is equal to an integer times π (radians) or 180 (degrees)

Have a nice day!

3 0
3 years ago
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