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Andru [333]
3 years ago
15

What is the argument of -1 + √3 i? 30° 60° 120° 150°

Mathematics
2 answers:
katrin [286]3 years ago
3 0

Answer:30

Step-by-step explanation:

AveGali [126]3 years ago
3 0
Answer: 30
Step by step explanation:
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What is the slope of the line that is perpendicular to the line shown on the graph?
Genrish500 [490]

We can find out two point on the line (0,2)and(4,1)

The slope =(2-1)/(0-4)=-1/4

5 0
3 years ago
Help :( I suck at math
iris [78.8K]

Answer:

D

Step-by-step explanation:

For some side lengths to create a triangle, any two of the side lengths must have an added length together of less than the third leg. Otherwise, the vertices would simply not be able to be connected by the lines. In a), 3+5=8, but since it is not more, the triangle will not be able to be formed (it would basically just be a line.) In B, 7+8< 16. In C, there is the same situation as with the first example (4+15=19). Finally, in the last one, 5+7>12, and all of the side lengths work out. Therefore, the correct answer is D. Hope this helps!

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3 years ago
A year has 365 days, and a day has 24 hours. If an hour has 60 minutes and a minute has 60 seconds, how many seconds are there i
motikmotik
Ok, so we need to take 60 x 60.  That gives us 3600, which is the amount of seconds in 60 minutes.  Then we need to take 3600 x 24, to figure out the number of seconds in 24 hours (1 full day).  That gives us 86,400.  Finally, we take 86400 x 365, to determine how many seconds are in 1 full year (365 days).  That gives us the answer of <span>31536000.  Hope this helps!</span>
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3 years ago
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Is 0.007 x 10 equivalent to 0.07
Pachacha [2.7K]
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5 0
3 years ago
What proportion of students are willing to report cheating by other students? A project put this question to an SRS of 180 under
krok68 [10]

Answer:

13.89% of students are willing to report cheating by other students.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 180

Number of students who reported cheating, x = 25

We have to find the proportion of the students are willing to report cheating by other students.

Proportion of students can be calculate as

p = \dfrac{x}{n} = \dfrac{25}{180} = 0.1389\\\\\p = 0.1389\times 100\5\\p = 13.89\%

Thus, 13.89% of students are willing to report cheating by other students.

8 0
3 years ago
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