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2 years ago

6

escribe la ecuación canónica de la elipse con centro en el origen que pasa por el punto (2,1) y cuyo eje menor mide 4 y se encue

ntra sobre el eje Y

1 answer:

mamaluj [8]2 years ago

6 0

Answer:

Ur mummm u cheater

Step-by-step explanation:

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Please help with #12 im confused<br> that is the key but i dont get it

Svetllana [295]

Given Equation

$\boxed{ \tt \: (8 \sqrt{3} - 2 \sqrt{2} )(8 \sqrt{3} + 2 \sqrt{2})}$

Step by step expansion:

$\dashrightarrow \sf \: (8 \sqrt{3} - 2 \sqrt{2} )(8 \sqrt{3} + 2 \sqrt{2})$

$\\ \\$

$\dashrightarrow \sf \: (8 \sqrt{3})^{2} - (2 \sqrt{2} {)}^{2}$

Reason:

(a + b)(a - b) = a²- b²

$\\ \\$

$\dashrightarrow \sf \: (8 {}^{2} \times { \sqrt{3} }^{2} )- (2 \sqrt{2} {)}^{2}$

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$\dashrightarrow \sf \: (64 \times 3 ) - (2 \sqrt{2} {)}^{2}$

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$\dashrightarrow \sf \: (64 \times 3 ) - (2 {}^{2} \times \sqrt{2} {}^{2} {)}$

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$\dashrightarrow \sf \: 192- 8$

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$\dashrightarrow \sf \: 184$

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~BrainlyVIP ♡

4 0

2 years ago

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Plzz help i will give brainliest plzzzz

Rashid [163]

Answer:

B

Step-by-step explanation:

B gives you 8/12, which can be simplified down to 2/3.

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The cost for a pack of 9 padlock is $25.20 find the unit price in dollars per padlock if necessary round your answer to the near

Elena-2011 [213]

Answer:

2.80

Step-by-step explanation:

Take the cost and divide by the number of padlocks

25.20/9

2.80

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3 years ago

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What is the area of Triangle II?

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3 years ago

A music store bought a CD set at a cost of $20. When the store sold the CD set, the percent markup was 40%. Find the selling

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Answer:

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Step-by-step explanation:

multiple the price by 1.40

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3 years ago

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