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Vaselesa [24]
2 years ago
10

I² = √-1 true or false the check mark is going over top of the one just saying

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
4 0

False: the imaginary unit, i, is defined by the following property:

i^2 = -1

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PHONE CARDS You purchase a 300 minute phone card. The function
Anarel [89]

Answer:

9750

Step-by-step explanation:

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6 0
2 years ago
Suppose that a recent poll of American households about car ownership found that for households with a car, 39% owned a sedan, 3
Rama09 [41]

Answer:

The probability that of the 3 households randomly selected at least 1 owns a sports car is 0.1956.

Step-by-step explanation:

Let <em>X</em> = number of household owns a sports car.

The probability of <em>X</em> is, P (X) = p = 0.07.

Then the random variable <em>X</em> follows a Binomial distribution with <em>n</em> = 3 and <em>p</em> = 0.07.

The probability function of a binomial distribution is:

P(X=x) = {n\choose x}p^{x}[1-p]^{n-x}\\

Compute the probability that of the 3 households randomly selected at least 1 owns a sports car:

P(X\geq 1)=1-P(X

Thus, the probability that of the 3 households randomly selected at least 1 owns a sports car is 0.1956.

4 0
3 years ago
Mrs.Clark has $901.26 to give to her 15grandchildren she wants to give the same amount to each grandchild which is the best esti
Svetach [21]

Answer: <u>60 dollars to each grandchild</u>

<u>Step-by-step explanation: </u>

Rounded(estimate) -

900 ÷ 15 = 60 dollars to give to each grandchild

More specifically -

901.26 ÷ 15 = 60.084 dollars to give to each grandchild

5 0
3 years ago
Jasmine is getting a new playground in her backyard she graphed them playground area on the coordinate grid shown blow Each squa
Serhud [2]
The answer would be 20 /)
7 0
2 years ago
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The question is below could you explain in detail thank you so much!!!
Ivan
I think is 1863 m because if you use the formula for area 
8 0
3 years ago
Read 2 more answers
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