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valina [46]
2 years ago
12

Could i get some helpp

Mathematics
1 answer:
Korvikt [17]2 years ago
9 0
The answer is 25......!
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Please help me quick!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Answer:

12,9,8

Step-by-step explanation:

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On a coordinate plane, if you take a point from (2, -5) and move it up 3 units to point "A" what is the distance of point a to c
tamaranim1 [39]

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C

Step-by-step explanation:

(2,-5) move up three steps is (2, -2). if you draw it on a paper(and draw lines to connect them), you can see that they form a right triangle. apply a²+b²=c² and you should get 3²+2²=(√13)²

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Combine the like terms to create an equivalent expression:<br> -3r- 6+ (-1)
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Brainliest for correct! y varies inversely with x.
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4. A horizontal ellipse, centered at the origin has a major axis of 10 units and minor axis of 8 units. Write the
s2008m [1.1K]

Answer:

\frac{x^2}{25} +\frac{y^2}{16} =1

Step-by-step explanation:

For ellipses, the length of the major axis is represents as:

Major axis = 2a

where a is called the semi-major axis.

In this case since the major axis is equal to 10 units:

10=2a

solving for the semi-major axis a :

a=10/2\\a=5

and also the minor axis of an ellipse is represented as:

Minor axis = 2b

where b  is called the semi-minor axis.

Since the minor axis has a length of 8 units:

8=2b

solving for b:

b=8/2\\b=4

Now we can use the equation for an ellipse centered at the origin (0,0):

\frac{x^2}{a^2} +\frac{y^2}{b^2} =1

and substituting the values for a and b:

\frac{x^2}{5^2} +\frac{y^2}{4^2} =1

and finall we simplify the expression to get the equation of the ellipse:

\frac{x^2}{25} +\frac{y^2}{16} =1

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2 years ago
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