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dem82 [27]
3 years ago
14

What are the steps to find (2+2i)(5+3i)?

Mathematics
2 answers:
pshichka [43]3 years ago
7 0

Answer:

16i + 4

Step-by-step explanation:

(2 + 2i)(5 + 3i) =

= 2×5 + 2i×5 + 2×3i + 2i×3i

= 10 + 10i + 6i + 6i²

= 6i² + 16i + 10

= - 6 + 16i + 10

= 16i + 4

WITCHER [35]3 years ago
6 0

(2+2i)(5+3i)
10+6i+10i+6i^2
10+16i+6(-1)
4+16i
When you have an “i^2”, you also have a negative one. The simplified answer is 4+16i
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1 point
lara [203]

Answer:

V=20 in cubed

Step-by-step explanation:

The formula to find the volume of a pyramid is L×W×H÷3

  1. L×W=15 or 5×3=15
  2. 15×H=60 or 15×4=60
  3. 60÷3=20 in cubed

Therefore V =20 in cubed

Hope that helped! If you have any further questions please message me! Good luck!

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SIZIF [17.4K]

Answer:

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6 0
2 years ago
What is the surface area to volume ratio of a cube whose sides are 3 cm long
zavuch27 [327]
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7 0
3 years ago
FOR 14 points! A group of friends are going to see the newest action movie. The price of a ticket is $6.25. As a group, they spe
Amanda [17]

x = number of people went to movies

equation

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answer

3 people

3 0
3 years ago
Read 2 more answers
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