Mathematics, 21.10.2019 17:30 LaDariusL33
Perform the indicated operations. write your answer in a + b form. identify the real part of your answer and the
imaginary part of your answer.
a. (2+ 3i)+(β7 β 4i)
b. (β4i)
c. 3iβ (β2 + 5i)
d. (3 β 2i)(β7 + 4i)
e. (β4 β 5i)(β4 + 5i)
Answers: 2
Mathematics, 21.06.2019 16:30
One of the same side angles of two parallel lines is 20Β° smaller than the other one. find the measures of these two angles.
Answers: 3
Mathematics, 21.06.2019 22:10
Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1
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Mathematics, 22.06.2019 00:30
1.3.25 question suppose 40Γ’β¬βΉ% of all voters voted for a particular candidate. to simulate exit polls regarding whether or not voters voted for thisΓ’β¬βΉ candidate, five random samples of size 1010 and five random samples of size 10001000 have been generated using technology using a population proportion of 0.400.40Γ’β¬βΉ, with the accompanying results. complete parts a through c below. click the icon to view the simulation results. a. observe how the sample proportions of successes vary around 0.400.40. simulation compared to sample prop simulation compared to sample prop 1 Γ’βΔΎ 6 Γ’βΔΎ greater than 0.40 less than 0.40 equal to 0.40 2 Γ’βΔΎ less than 0.40 greater than 0.40 equal to 0.40 7 Γ’βΔΎ greater than 0.40 less than 0.40 equal to 0.40 3 Γ’βΔΎ greater than 0.40 less than 0.40 equal to 0.40 8 Γ’βΔΎ equal to 0.40 greater than 0.40 less than 0.40 4 Γ’βΔΎ greater than 0.40 equal to 0.40 less than 0.40 9 Γ’βΔΎ less than 0.40 greater than 0.40 equal to 0.40 5 Γ’βΔΎ equal to 0.40 less than 0.40 greater than 0.40 10 Γ’βΔΎ equal to 0.40 greater than 0.40 less than 0.40 click to select your answer(s) and then click check answer. 2 parts remaining clear all check answer
Answers: 3
Mathematics, 22.06.2019 01:30
One of the solutions to x2 - 2x β 15 = 0 is x = -3. what is the other solution? ox=-5 ox= -1 0 x=1 x = 5
Answers: 2
Perform the indicated operations. write your answer in a + b form. identify the real part of your an...
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