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Yuki888 [10]
3 years ago
14

For an ellipse whose major axis is horizontal, how does the value of a compare to the distance from the vertices on the horizont

al axis to the center?
a. different c. no comparison b. same d. none of the above
Mathematics
1 answer:
Arada [10]3 years ago
4 0
I say it has to be b because it would make more sense
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How do I add and subtract radicals with no like terms
liq [111]

Most real number arithmetic is pretty vacuous

\sqrt 2 + \sqrt 3 = \sqrt{2} + \sqrt{3}

That's about as good a way as possible to write this particular real number. But it's far from the only way.

(\sqrt 2 + \sqrt 3)^2 = \sqrt{2}^2 + 2\sqrt 2 \sqrt 3 + \sqrt{3}^2 = 5 + 2 \sqrt 6

so

\sqrt 2 + \sqrt 3 = \sqrt{5 + 2 \sqrt 6}

Sometimes you can factor something out and you have a common radical:

\sqrt{32} + \sqrt{128} = \sqrt{2^5} + \sqrt{2^7} = 4 \sqrt{2} + 8 \sqrt{2} = 12 \sqrt{2}

But most of them are vacuous,

3\sqrt{7} + 34 \sqrt{13} = 3\sqrt{7} + 34 \sqrt{13}


8 0
4 years ago
PLEASE HELP ME The length of the one of the legs of a right triangle is 8m and the hypotenuse is 12m. Which of the following cho
Bas_tet [7]

Answer:

The length of the other leg is 8.94 m.

Step-by-step explanation:

Given that,

Hypotenuse of a right triangle is 12 m

The length of the one of the legs of a right triangle is 8 m

We need to find the length of the other leg. It is based on the concept of Pythagoras theorem. Let the other leg is h. So, according to this theorem,

H^2=b^2+h^2

H = hypotenuse = 12 m

b = base = 8 m

h^2=H^2-b^2\\\\h^2=12^2-8^2\\\\h=\sqrt{80}\\\\h=8.94\ m

So, the length of the other leg is 8.94 m.

8 0
3 years ago
Explain how 4/10÷2 and 4/10×1/2 both equal 2/10.
iris [78.8K]

Answer:

Step-by-step explanation:

when you are taking (4/10) and dividing it by 2.  you have a fraction over a fraction.  if you remember what you do to the top part of the equation you do to the bottom.  so we want to get rid of dividing by 2.  (multiple by the reciprocal)  the reciprocal of 2 is 1/2.  that will cancel out the bottom part of the equation but what you do to the bottom you have to do to the top.  so,  (4/10) * 1/2 is the same as (4/10) divided by 2. hope that makes sense.  it's much easier to write out then type math...

5 0
3 years ago
Someone please answer this and try hard. I selected the highest amount of points to give. It was 90, but it doesn't always come
azamat
Volume of a cylinder = PI x r^2 x H

r = 4 so r^2 = 4^2 = 16

h = 3

Volume = 3.14 x 16 x 3 = 150.72 ft^3

 it doesn't say how to round the answer so you may need to round it

5 0
3 years ago
Read 2 more answers
The football coach bought enough sports mix to make 60 L of a sports drink.
bezimeni [28]
I belive the answer is 240 because there are 4 C in a L so what I did was 4×60 and I got 240 cups
7 0
3 years ago
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