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ohaa [14]
3 years ago
13

Which of the following is equal to the length of the major axis of an ellipse?

Mathematics
2 answers:
Ganezh [65]3 years ago
7 0

Answer: A. The sum of the focal radii,  is correct, just did it APEX

Step-by-step explanation:

kakasveta [241]3 years ago
6 0

Answer:

It's A.

Step-by-step explanation:

The length of the major axis is a + b where a and b are the distances from each focus to any point on the ellipse.

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In a class of 22 students, 15 play an instrument and 11 play a sport. There are 9
ollegr [7]

Answer:7/22

Sorry I don’t know how to explain.But here the answer.

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6 0
2 years ago
2÷9<br><img src="https://tex.z-dn.net/?f=78%20%5Csqrt%7B%7D%20" id="TexFormula1" title="78 \sqrt{} " alt="78 \sqrt{} " align="ab
dimulka [17.4K]

Answer:

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3 0
3 years ago
Simply the expression by combining like terms 20c+8d+10c-5d​
valentinak56 [21]

First, combine 20c and 10c because they are like terms then combine 8d and -5d.  

It would look like this:

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Hope that helps

6 0
2 years ago
What value of g makes the equation true? (x+7)(x-4)=x^2+gx-28
goblinko [34]
G=3 
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4 0
3 years ago
Read 2 more answers
If i^2 = −1 and x = i + 9, which is the result of squaring x?
Anestetic [448]

Answer:

80 + 18i

Step-by-step explanation:

i² = -1

x = i + 9

x² = (i + 9)²

Applying; (a + b)² = a² + 2ab + b² concept,

x² = i² + 18i + 81

We know that i² = -1

So x² = -1 + 18i + 81

x² = 81 - 1 + 18i = 80 + 18i

8 0
3 years ago
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