Mathematics, 05.08.2020 14:01 shira35
Find all complex numbers $z$ such that $z^4 = -4.$ Note: All solutions should be expressed in the form $a+bi$, where $a$ and $b$ are real numbers.
Answers: 3
Mathematics, 21.06.2019 12:30
Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.
Answers: 1
Mathematics, 22.06.2019 00:30
If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000
Answers: 2
Mathematics, 22.06.2019 01:00
Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4
Answers: 1
Mathematics, 22.06.2019 01:20
1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed
Answers: 2
Find all complex numbers $z$ such that $z^4 = -4.$
Note: All solutions should be expressed in the f...
Arts, 03.09.2020 22:01
Mathematics, 03.09.2020 22:01
History, 03.09.2020 22:01
History, 03.09.2020 22:01
Mathematics, 03.09.2020 22:01
Mathematics, 03.09.2020 22:01
Health, 03.09.2020 22:01
Chemistry, 03.09.2020 22:01