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VARVARA [1.3K]
3 years ago
6

8. Find an equation in standard form for the ellipse with the vertical major axis of length 16 and minor axis of length 4

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Hello,

If center is (0,0)

x²/a²+y²/b²=1 for a half horizontal axis of a, and a half vertical axis of b

Here

a=2 ==> a²=4

b=8 ==> b²=64

\boxed{\dfrac{x^2}{4}+ \dfrac{y^2}{64}=1}\\

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Acute, obtuse or right triangle?
mart [117]

Answer:

right triangle

Step-by-step explanation:

it wouldn't be obtuse because obtuse is if one of the angles is more than 90 degrees. Plus you can make a box at the bottom corner.


5 0
3 years ago
Lian needs to solve the quadratic equation: x^2 - 4x - 2 = 0. Which statement about how Lian should solve this equation is true?
Ulleksa [173]

Answer:

x = 4.45 or x = - 4.45

Step-by-step explanation:

Here are the steps:

Substitute the values,

4+\sqrt{-4^2-4(1*-2)} ÷ 2 × 1

x = 2 ± √6

x = 4.45 or x = - 4.45

<em>good luck, i hope this helps :)</em>

5 0
3 years ago
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What is 25 to the 7th power + 12 to the 5th power?
solong [7]

Answer:

6103764457

Step-by-step explanation:

3 0
3 years ago
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I need help please????
mezya [45]

Answer:

112

Step-by-step explanation:

Just solve it easy peasy

7[(25+9)-3(2-1)]

First solve the inner brackets

7[(34)-3(3)]\\7[25-9]

Now the other brackets

7[25-9]\\7[16]\\112

5 0
3 years ago
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I need help, I will put as brainiest 15 points. pls help
lidiya [134]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 382.5

Explanation:

450 x .85 = 382.5

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

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8 0
3 years ago
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