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CaHeK987 [17]
3 years ago
11

Classify the conic section without graphing 3x^2-2xy+3y^2+2x-4y+1=0​

Mathematics
1 answer:
almond37 [142]3 years ago
4 0

Circle: When x and y are both squared and the coefficients on them are the same — including the sign.

For example, take a look at 3x2 – 12x + 3y2 = 2. Notice that the x2 and y2 have the same coefficient (positive 3). That info is all you need to recognize that you’re working with a circle.

Parabola: When either x or y is squared — not both.                                              

i am big brain

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no one answered your question so whats point

Step-by-step explanation:

I do not know bro

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emmasim [6.3K]

Answer:

a = 72° b = 88°

Step-by-step explanation:

We know in the cyclic quadrilateral opposite angles are supplementary so

a + 108° = 180° { being opposite angles of cyclic quadrilateral }

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3 0
3 years ago
Which of the following expressions does not represent "four more than one-third x"? x + 4 + 4 x + 3
Scilla [17]
1/3x +4 should be your answer


i dont know what the x + 4 + 4x + 3 means...

but by the words, it should be 1/3x + 4

hope this helps
4 0
3 years ago
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Yooooo help thanks ;)))))))))
Nonamiya [84]

Answer:

PST=80

Step-by-step explanation:

So we know that angle R=130 and because this is a parallelogram we can assume angle SPQ also equals 130 and knowing that we can find that angle RQP and RSP are equal both equal to 50 and since we know that RSP=50 we know SPT is also 50 because of alternate angles. SPT is an equilateral triangle so we also know that angle T is 50 degrees. All triangles degrees equal 180 so we can set up the problem the angle SPT(50) + the angle STP(50) + The angle PST(x) = 180 50+50=100 so it is 100+x=180 -100 PST(x)=80

5 0
4 years ago
Solve for x a:b , cross multiplying, thank you!
ycow [4]
Similar triangles, so 24/32=33/32+x. cross multiply to find that 32*33=24(x+32). this gives you 1056=24x+768. subtract 768 from both sides to get 288 = 24x. divide both sides by 24 to get x=12
8 0
4 years ago
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