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4 years ago

Please help me out trying to get this right.

Mathematics

2 answers:

JulijaS [17]4 years ago

8 0

Answer:

:( love yourself

Step-by-step explanation:

Vlad1618 [11]4 years ago

5 0

Answer:

x^4 - 3

Step-by-step explanation:

thts my input......

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De moirve's (√3-i ÷ √3+i)^6 = 1

bulgar [2K]

(√3 - i ) / (√3 + i ) × (√3 - i ) / (√3 - i ) = (√3 - i )² / ((√3)² - i ²)

… = ((√3)² - 2√3 i + i ²) / (3 - i ²)

… = (3 - 2√3 i - 1) / (3 - (-1))

… = (2 - 2√3 i ) / 4

… = 1/2 - √3/2 i

… = √((1/2)² + (-√3/2)²) exp(i arctan((-√3/2)/(1/2))

… = exp(i arctan(-√3))

… = exp(-i arctan(√3))

… = exp(-iπ/3)

By DeMoivre's theorem,

[(√3 - i ) / (√3 + i )]⁶ = exp(-6iπ/3) = exp(-2iπ) = 1

7 0

3 years ago

A geologist in South America discovers a bird skeleton that contains 80% of its original amount of C-14. N0= initial amont of C-

kap26 [50]

A geologist in South America discovers a bird skeleton that contains 80% of its original amount of C-14

We use formula $N = N_oe^{-kt}$

N0= initial amont of C-14 (at time t=0)

N= amount of C-14 at time t

t= time, in years

k= 0.0001

N is 80% of N0 that is $N= 0.80N_o$

$N = N_oe^{-kt}$

$0.80N_o = N_oe^{-kt}$

Divide both sides by N_o

$0.8=e^{-0.0001 t}$

Take ln on both sides

$ln(0.8)=lne^{-0.0001 t}$

ln(0.8) = -0.0001t ln(e)

ln(0.8) = -0.0001t

Divide both sides by -0.001

t = 2231.435513

The age of the bird skeleton is 2231 years old

5 0

3 years ago

Can anyone help me with this?

avanturin [10]

Answer:

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Step-by-step explanation:

5 0

3 years ago

Which equation models the trend line?

sattari [20]

Answer:

bhjhhskhghkhgjyg

Step-by-step explanation:

ijjlhsunyumyhmuyhi

4 0

4 years ago

Write this statement in interval notation. * x is positive and < 17

Leona [35]

Answer:

x is in (0, 17)

Step-by-step explanation:

The compound inequality is ...

0 < x < 17

The "equal to" case is not included on either end, so round brackets are used:

(0, 17)

8 0

3 years ago