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gizmo_the_mogwai [7]
4 years ago
13

Number 16. I need help with this!!!!

Mathematics
1 answer:
Amanda [17]4 years ago
4 0
If number 16 is the one i think it is then the answer is no. She is not 6 miles above the ground. She is 5.5 miles above the ground. There is 5280 ft in one mile. divide 29040 by 5280 
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Write the equation of the conic section satisfying the given conditions. focus at the pole, e = 3/4, horizontal directrix 2 unit
hjlf

Answer:

The equation in the polar form is;

r = \dfrac{6}{4 + 3  \cdot sin(\theta)}

Step-by-step explanation:

 e = 3/4  > 1, we have an hyperbola    

The polar equation of a conic is of the form;

For vertical directrix

r = \dfrac{k \cdot e}{1\pm e \cdot cos (\theta)}

For horizontal directrix

r = \dfrac{k \cdot e}{1\pm e \cdot sin(\theta)}

Where;

k = Distance from the focus to the directrix = 2

We have;

r = \dfrac{2 \cdot \dfrac{3}{4} }{1 + \dfrac{3}{4}  \cdot sin(\theta)}

r = \dfrac{\dfrac{3}{2} }{1 + \dfrac{3}{4}  \cdot sin(\theta)}

Which gives the equation in the polar form as follows;

r = \dfrac{6}{4 + 3  \cdot sin(\theta)}.

8 0
3 years ago
Find the equation of the line that passes through (-18, -10) and is parallel to the line that passes through (-2, 2) and (-8, 1)
zhuklara [117]

Answer:

y = 1/6x + 7/3

Step-by-step explanation:

(-2 ,2) and (-8, 1)

Slope=(1-2)/(-8- - 2) = (-1/-6) = 1/6

b = 2 - (1/6)(-2) = 2 - 2/6 = 2 - 1/3 = 7/3

5 0
3 years ago
The area of two similar octagons are 4 m2 and 25 m2. What is the scale factor of their side lengths
mylen [45]

Answer:

The scale factor of the sides of the Octagon is 2:5

Step-by-step explanation:

Both these octagons can be considered as the combination of 8 similar triangles joined edge to edge.

We know this property of similar triangles, that the ratio of area of similar triangles is proportion to the square of the ratio of sides of the similar triangle.

Side_{1} ^{2} : Side_{2} ^{2} =Area_{1} : Area _{2}

From the above property, we plug in the values

Side_{1} ^{2} : Side_{2} ^{2} =4: 25

Side_{1}  : Side_{2}  =2: 5

Therefore, the ratio of the sides of the Octagon are 2:5.

7 0
3 years ago
Solve for x<br> 3 (x – 4) = 12x
ira [324]

Answer:

<h2>-4/3</h2>

Step-by-step explanation:

3x-12=12x

-12=12x-3x

-12=9x

-12/9=x

-4/3=x

x=-4/3

4 0
3 years ago
Can someone help me with this
Dennis_Churaev [7]

Answer:

The equation for your graph is Y=2x+1

4 0
3 years ago
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