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Andreas93 [3]
3 years ago
6

What does this equal to in standard form? (A+bi)

Mathematics
2 answers:
Fudgin [204]3 years ago
5 0

Answer:

-33 - 21i

Step-by-step explanation:

3i (-7 + 11i)

= -21i + 33i^2                   (i^2 = -1)

= -21i + 33(-1)

= -33 - 21i

elena55 [62]3 years ago
3 0

3i(-7+11i)=-28i+33i^2=\boxed{-33-28i}

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lora16 [44]

Answer:

Step-by-step explanation:

j=+

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7 0
3 years ago
I'm really confused about this question about Solving Systems by Elimination
velikii [3]

Answer:

x=10

y=2

Step-by-step explanation:

1)add the equations and find what x is.

x-y=8

+x+y=12

—————

2x=20

— —

2 2

x=10

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—————-

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4 0
3 years ago
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Amanda [17]
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6 0
3 years ago
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What is the closest whole number approximation of √50?
mr_godi [17]

Answer:

7

Step-by-step explanation:

√50 is close to √49

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6 0
2 years ago
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Determine the slope of the line passing through the given points (1,2) and (2,-1)
alex41 [277]
I hope this helps you



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slope= -3
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3 years ago
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