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2 years ago

Multiply the following Provide product in standard form :)

Mathematics

2 answers:

solong [7]2 years ago

8 0

Answer:

^4+2x^3+x+2

Step-by-step explanation:

1. Combine exponents

(+2)(^2x+1)

(x+2)(x^3+1)

2. Distribute

x (x^3+1)+2(x^3+1)

x^4+x+ 2(x^3+1)

3. Solution is x^4 + 2x^3 + x+2

algol132 years ago

6 0

X^3+4x^2+5x+2 is the answer

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Convert from rectangular to polar coordinates: note: choose rr and θθ such that rr is nonnegative and 0≤θ<2π0≤θ<2π (a)(9,0

DochEvi [55]

Answer:

Step-by-step explanation:

Convert rectangle (x , y) to polar coordinates ( r , θ)

$x=r \cos \theta, y= r \sin \theta$

$r=\sqrt{x^2+y^2} , \theta =tan^-^1 (\frac{y}{x} )$

a) converts (9, 0) to polar coordinates ( r , θ)

$r=\sqrt{x^2+y^2} \\\\=\sqrt{9^2+0} \\\\=9$

$\theta= \tan^-^1 (\frac{0}{9} )\\\\=0$

b) Convert $(18,\frac{18}{\sqrt{3} } )$ to polar coordinates ( r, θ)

$r = \sqrt{18^2+(\frac{18}{\sqrt{3} })^2 } \\\\=\sqrt{324+108} \\\\=\sqrt{432}$

$\frac{x}{y} \theta = \tan^-^1(\frac{\frac{18}{\sqrt{3} } }{18} )\\\\= \tan ^-^1(\frac{1}{\sqrt{3} } )\\\\= \frac{\pi}{6}$

c) converts (-5, 5) to polar coordinates ( r , θ)

$r =\sqrt{(-5)^2+(5)^2} \\\\=\sqrt{50} \\\\=5\sqrt{2}$

$\theta=\tan^-^1(\frac{5}{-5} )\\\\= \tan^-^1(-1)\\\\=\frac{3\pi}{4}$

d) converts (-1, √3) to polar coordinates ( r , θ)

$r=\sqrt{(-1)^2+(\sqrt{3})^2 } \\\\= \sqrt{4} \\\\=2$

$\theta=\tan^-^1(\frac{\sqrt{3} }{-1} )\\\=\tan^-^1(-\sqrt{3} )\\\\=\frac{2\pi}{3}$

$= \frac{2\pi}{\sqrt{3} }$

6 0

3 years ago

X+4+3(x)=x-8<br> Answer this for me

Grace [21]

Step-by-step explanation:

3x= (-8) -4

x=(-12)/3

x= -4

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3 years ago

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Quick i dont have time

Volgvan

Answer:

angle SRT = 180 -44 = 136 °

Step-by-step explanation:

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2 years ago

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Artist 52 [7]

Answer:

ITS 8 x 4 = 32 OK REEE

Step-by-step explanation:

7 0

3 years ago

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$1200 is invested at 3% compounded quarterly. What is the total amount, to the nearest dollar, after 5 years?

Mekhanik [1.2K]

The formula to calculate the amount is 1200(1+0.03/4)^5

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3 years ago