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3 years ago

1. Explain how to find the measure of angle LQN.

Mathematics

1 answer:

gogolik [260]3 years ago

4 0

Answer:

Your not giveing enof info

Step-by-step explanation:

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Find the generating function for the sequence 1,-2,4,-8, 16, ...

kirill [66]

Answer:

$a(x)=\dfrac{1}{1+2x}$

Step-by-step explanation:

The generating function a(x) produces a power series ...

$a(x)=a_0+a_1x+a_2x^2+a_3x^3+\dots$

where the coefficients are the elements of the given sequence.

We observe that the given sequence has the recurrence relation ...

$a_0=1;a_n=-2a_{n-1} \quad\text{for n $>$ 0}$

This can be rearranged to ...

$a_n+2a_{n-1}=0$

We can formulate this in terms of a(x) as follows, then solve for a(x).

$\sum\limits^{\infty}_{n=1} {a_{n}x^n} =a(x)-a_0 \quad\text{and}\\\\\sum\limits^{\infty}_{n=1} {2a_{n-1}x^n} =(2x)a(x) \quad\text{so}\\\\\sum\limits^{\infty}_{n=1} {(a_n+2a_{n-1})x^n}=0=a(x)-a_0+2xa(x)\\\\a(x)=\dfrac{a_0}{1+2x}=\dfrac{1}{1+2x}$

The generating function is ...

a(x) = 1/(1+2x)

3 0

3 years ago

Read 2 more answers

Y=2x

worty [1.4K]

this is the answer hope it helps you

4 0

4 years ago

Enter the equation of the circle with the given center and radius. Center: (−2, −5); radius= 1

statuscvo [17]

Answer:

$(x + 2)^2 + (y + 5)^2 = 1$

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center $(x_0,y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

Center: (−2, −5); radius= 1

This means that $x_0 = -2, y_0 = -5, r = 1$ . So

$(x - x_0)^2 + (y - y_0)^2 = r^2$

$(x - (-2))^2 + (y - (-5))^2 = 1^2$

$(x + 2)^2 + (y + 5)^2 = 1$

This is the equation of the circle.

6 0

3 years ago

The length of 24 city blocks: 2 m or 2 km

kotegsom [21]

There is about 323ft in a city block. 24*323=7752ft

7752ft to km is about 2.3km

So I would say it is 2km in the choices you gave

6 0

4 years ago

Read 2 more answers

Simply each expression only using. Use only positive exponents.

snow_lady [41]

Answer:uwiefhgiwefkljgihrhgrwfe r3t6g4 b

Step-by-step explanation:

3 0

3 years ago