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NISA [10]
2 years ago
10

I^15 simplified please I really need help

Mathematics
1 answer:
Alenkinab [10]2 years ago
4 0

Answer: -i

Step-by-step explanation:

i^3 is -i

15-12 = 3

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The total price for 4 movie tickets is $46.40 . If each ticket costs the same amount, how much does one movie ticket cost?
Contact [7]

Answer:

$11.60

Step-by-step explanation:

4x = 46.4

x = 11.6

3 0
2 years ago
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Last night, 80 people attended a lecture at the Smithville Public library. 47 of the attendees were men. What ratio BEST represe
Ganezh [65]
Number of people: 80

Number of Men: 47
Number of Women: 33

Ratio that best represents the number of men and the number of women:
47 : 33
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3 years ago
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According to an NRF survey conducted by BIGresearch, the average family spends about $237 on electronics (computers, cell phones
schepotkina [342]

Answer:

7.64% probability that they spend less than $160 on back-to-college electronics

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 237, \sigma = 54

Probability that they spend less than $160 on back-to-college electronics

This is the pvalue of Z when X = 160. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{160 - 237}{54}

Z = -1.43

Z = -1.43 has a pvalue of 0.0763

7.64% probability that they spend less than $160 on back-to-college electronics

4 0
3 years ago
A. x&lt;-1<br> b. x&gt;-1<br> c. x&lt;1<br> d. x&gt;1
Helga [31]
C. is the answer your looking for
5 0
2 years ago
The chart below shows the average number of movies seen per person in selected countries. Use equal intervals to make a frequenc
NARA [144]
To make a frequency table, you will need to find the lowest and highest average number of movies.

Numbers go from 0.5 to 4.5.
And example of frequencies you could use are:

0-0.9 (1)
1-1.9(5)
2-2.9(5)
3-3.9(2)
4-4.9(1)

The frequencies are in parentheses beside the intervals.

6 0
3 years ago
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