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vova2212 [387]
3 years ago
9

(5 - 3i) + (6 + 5i)

Mathematics
2 answers:
Ad libitum [116K]3 years ago
8 0

Answer:

11+2i=9

Step-by-step explanation:

xz_007 [3.2K]3 years ago
5 0

Answer:

11  +2i

Step-by-step explanation:

(5 - 3i) + (6 + 5i)

Combine like terms

5+6   -3i +5i

11  +2i

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<span>0.04285714285 this is your answer </span>
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Create an equivalent expression for 13 ^−7 x 13 ^5.
Sveta_85 [38]

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1 year ago
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An advertising agency notices that approximately 1 in 50 potential buyers of a product sees a given magazine ad, and 1 in 8 sees
zheka24 [161]

Answer:

Probability = 0.12025

Step-by-step explanation:

P (Am) = 1/50 = 0.02       {Magazine ad}

P (At) = 1/8 = 0.125         {Television ad}

P (Am ∩ At ) = 1/100 = 0.01      {Both ads}

P (Am U At) = P (Am) + P (At) - P (Am ∩ At )

= 0.02 + 0.125 - 0.01

P (Am U At)  = 0.135       {Person sees either ad}

P (Am' ∩ At') = 1 - P (Am U At)

P (Am' ∩ At')  = 1 - 0.135 = 0.865      {Person sees none ad}

Prob (Purchase) = Prob (Purchase with ad) + Prob (purchase without ad)

P (P/ A) = 1/4 = 0.25 , P (P / A') = 1/10 = 0.1

P (P) = (0.25) (0.135) + (0.1) (0.865)

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0.12025

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2 years ago
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See attached picture for answer

4 0
3 years ago
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Convert the angle \theta=\dfrac{8\pi}{9}θ=
Olegator [25]

Answer:

160°

Step-by-step explanation:

-Given the angle in radians as \theta=\dfrac{8\pi}{9}\ rad

-We know that  1 \ rad=\frac{180}{\pi}\textdegree

-Let our angle theta be X

#We therefore equate and cross multiply:

1\ rad=\frac{180}{\pi}\\\\\frac{8\pi}{9}=x\\\\\therefore X=\frac{180}{\pi}\times \frac{8\pi}{9}\\\\=160\textdegree

Hence, angle θ is 160°

8 0
3 years ago
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