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yawa3891 [41]
3 years ago
11

SOMEONE, PLEASE ANSWER ALL OF THESE PLEASE WHOEVER ANSWERS THEM ALL FIRST WILL GET BRAINLIEST

Mathematics
2 answers:
marissa [1.9K]3 years ago
3 0
The answer to 10 is 17x^2y^3
Fofino [41]3 years ago
3 0

1: 6x^{7}y^{2}

2: 32x^{11}y^{6}

red: \frac{5y^9}{x^5}

orange:9x^{2}y

ur welcome

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Consider an arbitrary ellipse x 2 a 2 + y 2 b 2 = 1. (Assume a, b > 0.) (a) Find a parametrization of the ellipse using the d
uysha [10]

Answer:

α(t) = (-a*Sin(t), b*Cos (t))    where t ∈ [0, 2π]

Step-by-step explanation:

Given an arbitrary ellipse (x²/a²) + (y²/b²) = 1       (a, b > 0)

The parametrization can be as follows

x = -a*Sin(t)

y = b*Cos (t)

then

α(t) = (-a*Sin(t), b*Cos (t))    where t ∈ [0, 2π]

If  t = 0

α(0) = (-a*Sin(0), b*Cos (0)) = (0, b)

If  t = π/2

α(π/2) = (-a*Sin(π/2), b*Cos (π/2)) = (-a, 0)

If  t = π

α(π) = (-a*Sin(π), b*Cos (π)) = (0, -b)

If  t = 3π/2

α(3π/2) = (-a*Sin(3π/2), b*Cos (3π/2)) = (a, 0)

If  t = 2π

α(2π) = (-a*Sin(2π), b*Cos (2π)) = (0, b)

We can see the sketch in the pic.

7 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points -2,7 and 2,3
Maurinko [17]

Answer:

slope = -1

Step-by-step explanation:

y2-y1 divided by x2-x1

3-7= -4

2-(-2) = 4

-4 divided by 4 = -1

8 0
3 years ago
How many tens are in 120,000
Marina CMI [18]
12000
Just do 
120000 divided by 10
8 0
3 years ago
Read 2 more answers
PLS ANSWER WILL MARK BRAINLIST
andreyandreev [35.5K]

Answer:

72 degrees

Step-by-step explanation:

Slope

y=-(7/8)x+105

plug in 72 for the y

72=-(7/8)x+105

-177=-(7/8)x

72 = x

6 0
3 years ago
What properties does a square have in common with a quadrilateral?
Mashcka [7]
Hey there 

<span>Quadrilateral "four sided shape"</span>
A Quadrilateral has four-sides and<span> it is </span>2-dimensional shape 
Squares and quadrilaterals have 
4 sides 
4 vertices 

Hope this helps 
 
6 0
2 years ago
Read 2 more answers
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