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mario62 [17]
3 years ago
12

Z = 3 - 6i What are the real and imaginary parts of : ?

Mathematics
1 answer:
disa [49]3 years ago
7 0

Step-by-step explanation:

z = 3 - 6i \\ equating \: it \: with \\ z = a + bi \\ real \: part \: (a) = 3 \\ imaginary \: part \: (b) =  - 6

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Solve the equation by factoring. z2 − 6z − 27 = 0
Kisachek [45]
The answer is x= 9 and -3

You must fine 2 number that multiply to equal -27 and add to equal -6

(x-9) (x+3)
Then equal the parts of the binomial to zero

x - 9 = 0
x + 3 = 0

You must get x by its self.
When you do so, you'll have the answer as -3 and 9
7 0
3 years ago
On a grocery store shelf, there are 16 loaves of white bread and 24 loaves of wheat bread. A shopper randomly selects a loaf of
Oksanka [162]

Answer:

60%

Step-by-step explanation:

16 loaves of white bread and 24 loaves of wheat bread. = 40 loaves of bread

P( wheat) = number of wheat/ total

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3 years ago
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Stells [14]

The answer is 32.5%

and if you need it in decimal form, it would be,

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6 0
3 years ago
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Help if you know how to do this- brainliestt
Gwar [14]

Answer:

95.5°F

Step-by-step explanation:

Given the regression equation :

y = 1.8x - 76.9 ; the relationship between temperature (°F) and number of ice cream sold

y = number of ice cream sold

x = temperature (°F)

The temperature when 95 iccream cones are sold will be ;

Here, y = 95

Using the model :

95 = 1.8x - 76.9

95 + 76.9 = 1.8x

171.9 = 1.8x

Divide both sides by 1.8

171.9 / 1.8 = x

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Hence, temperature when 95 cones of ice-cream are sold is 95.5°F

8 0
2 years ago
Find the vertex and symmetry for each problem.
mihalych1998 [28]

Solve the equation for

x

by finding

a

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b

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c

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Exact Form:

x

=

−

3

±

√

6

3

Decimal Form:

x

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0.18350341

…

,

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1.81649658

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4 0
3 years ago
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