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Nina [5.8K]
3 years ago
7

When writing expressions for complex numbers, what does i represent?

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0

Answer: See below

Step-by-step explanation:

i is an imaginary number.

i=\sqrt{-1}

i^2=-1

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Since 20% or 1/5, is ___, there will be ___ word problems on the test
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Answer:

10

10

Step-by-step explanation:

One fifth of fifty is 10.

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3 years ago
Sunny made 2 pitchers of strawberry smoothies for the science club. If each person got One-fifth of a pitcher, how many science
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The anwser is 2

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1 for each person

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2 candy bars cost $.98 at this rate how much do 5 candy bars cost? I NEED ASAP
alisha [4.7K]

Answer:

2.45$

Step-by-step explanation:

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7 0
3 years ago
2. Mr. Lavi determined that the total cost of his son's birthday party, c, could be represented by
Tresset [83]

Answer:

41 people attended the party

Step-by-step explanation:

1120 = 20x + 300

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4 0
2 years ago
An optical inspection system is used to distinguish among different part types. The probability of a correct classification of a
MAVERICK [17]

Answer:

Probability Mass Function:

   x:          0                         1                            2                          3

P(x):          0.000064          0.004608             0.115902             0.884736

Step-by-step explanation:

We are given the following information:

We treat correct classification  as a success.

P(correct classification) = 0.96

Then the number of classification follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 3 and x = 0, 1, 2, 3

We have to evaluate:

P(x = 0)\\= \binom{3}{0}(0.96)^0(1-0.96)^3\\=0.000064

P(x = 1)\\= \binom{3}{1}(0.96)^1(1-0.96)^2\\=0.004608

P(x = 2)\\= \binom{3}{2}(0.96)^2(1-0.96)^1\\=0.115902

P(x = 3)\\= \binom{3}{3}(0.96)^3(1-0.96)^0\\=0.884736

PMF:

   x:          0                         1                            2                          3

P(x):          0.000064          0.004608             0.115902             0.884736

8 0
3 years ago
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