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ch4aika [34]
3 years ago
6

Please help it’s urgent! it’s tangent lines

Mathematics
1 answer:
sleet_krkn [62]3 years ago
3 0
The answer should be 24, because you can mark out 5,and 10 cuz it doesn’t make since
You might be interested in
Dada la ecuacion 25x2 + 4y2 = 100, determina las coordenadas de los vertices, focos, las longitudes de los respectivos ejes mayo
Likurg_2 [28]

Answer:

The given equation is

25x^{2} +4y^{2}=100

Which represents an elipse.

To find its elements, we need to divide the equation by 100

\frac{25x^{2} +4y^{2} }{100} =\frac{100}{100} \\\frac{x^{2} }{4} +\frac{y^{2} }{25} =1

Where a^{2} =25 and b^{2}=4. Remember that the greatest denominator is a, and the least is b. So, we extract the square root on each equation.

a=5 and b=2.

In a elipse, we have a major axis and a minor axis. In this case, the major axis is vertical and the minor axis is horizontal, that means this is a vertical elipse.

The length of the major axis is 2a=2(5)=10.

The length of the minor axis is 2b=2(2)=4.

The vertices are (0,5);(0,-5) and (2,0);(-2,0).

Now, the main parameters of an elipse are related by

a^{2}=b^{2} +c^{2}, which we are gonna use to find c, the parameter of the focus.

c=\sqrt{a^{2}-b^{2} }=\sqrt{25-4}=\sqrt{21}

So, the coordinates of each focus are (0,\sqrt{21}) and (0,-\sqrt{21})

The eccentricity of a elipse is defined

e=\frac{c}{a}=\frac{\sqrt{21} }{5}  \approx 0.92

The latus rectum is defined

L=\frac{2b^{2} }{a}=\frac{2(4)}{5} =\frac{8}{5} \approx 1.6

Finally, the graph of the elipse is attached.

7 0
3 years ago
I'm not sure understanding this at ALLLLL
IgorLugansk [536]

Answer:

17. Scale Factor is  3:1

18. Scale Factor is  1:3

Step-by-step explanation:

Scale Factor: In two similar shapes, the ratio of their corresponding sides is called scale factor.

17. Give the scale factor of Figure A to Figure B

Figure A has sides:

Hypotenuse = 15

Perpendicular = 12

Base = 9

Figure B has sides:

Hypotenuse = 5

Perpendicular = 4

Base = 3

So, if we divide all sides of figure A by 3 we get Figure B

So, Figure A : Figure B

3:1

18. Give the scale factor of Figure B to Figure A

Figure B has sides:

Hypotenuse = 5

Perpendicular = 4

Base = 3

Figure A has sides:

Hypotenuse = 15

Perpendicular = 12

Base = 9

If we multiply 3 with the sides of Figure B we can get the sides of Figure A.

So scale factor is 3.

So, Figure B : Figure A

1:3

7 0
3 years ago
Read 2 more answers
Help
padilas [110]

Answer:

The answer is 100.5 in^{3}.

Step-by-step explanation:

To solve for the volume of the cylinder, use the cylinder volume formula, which is V = \pi r^{2} h.

Next, plug in the information given from the problem, and the formula will look like V = (\pi) (2 in^{2}) (8 in).

Then, solve the equation, and the answer will be 100.5 in^{3}.  

8 0
3 years ago
List 3 Values That Would Make This Inequality True.
pentagon [3]
Y could equal anything equal to or greater than 3. you can use 3, 4, 5, 6, 7 etc.
3 0
3 years ago
What is the common ratio of the geometric sequence 16, 24, 36, 54, ...?
Elanso [62]
3/2
divide the term but he previous and figure out the sequence
4 0
3 years ago
Read 2 more answers
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