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Sophie [7]
1 year ago
7

Find all cube roots of -1000i

Mathematics
1 answer:
NemiM [27]1 year ago
3 0

Answer:

10i

Step-by-step explanation:

Since i^2 = -1, and 1000 = 10^3, we can instinctively guess that the answer is 10i. We can validate this by cubing it, yielding 1000i^3, or -1000i.

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784x44=? Step by step.
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34496

Step-by-step explanation:

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7 0
2 years ago
$648 increased 2/3 itself equals what amount?
ladessa [460]

Answer:

1080

Step-by-step explanation:

648x2=1296÷3=432+648=1080

6 0
2 years ago
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Your class rank in 2018 was 89 out of 360 students. In 2019 your class rank was 95 out of 450 students. a. In which year did you
spin [16.1K]

A) given that in 2019 you were among the 21.11% of the best students in the class, in that year you had the higher percentile ranking, and B) the measure of average that would be the most meaningful is the median.

Given that your class rank in 2018 was 89 out of 360 students, while in 2019 your class rank was 95 out of 450 students, to determine A) in which year did you have the higher percentile ranking, and B) if you had the data on the cumulative GPA of each student at the end of the spring semester in 2018, which measure of average would be the most meaningful - mean, median or mode -, the following calculation should be performed:

  • 360 = 100
  • 89 = X
  • 89 x 100/360 = X
  • 24.72 = X
  • 450 = 100
  • 95 = X
  • 95 x 100/450 = X
  • 21.11 = X

Therefore, A) given that in 2019 you were among the 21.11% of the best students in the class, in that year you had the higher percentile ranking, and B) the measure of average that would be the most meaningful is the median.

Learn more about maths in brainly.com/question/25748895

8 0
2 years ago
I NEED this answered right NOW please!!!!​
kykrilka [37]
Don’t click the link-
7 0
2 years ago
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Please answer this question thank you
Tanya [424]

Answer:

74

Step-by-step explanation:

What I'm getting at, is that you need to add all the hour sold cups up, and then double it because she expects to sell twice as much. 15 + 11 +5 +6 = 37, and 37 doubled is 74

6 0
2 years ago
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