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bezimeni [28]
3 years ago
8

Simplify [2 (cos 210 + i sin 210)]^3

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0
After simplifying the real and imaginary parts you'd get -8i

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Because of the commutative property of multiplication, it is true that
Likurg_2 [28]

Answer:

1.  3/4 + 3/4 + 3/4 +3/4

2. 0.75 * 4

Step-by-step explanation:

1. add 3/4 four times

3/4 + 3/4 + 3/4 +3/4

2. You can turn 3/4 into a decimal.  3/4 =0.75

0.75 * 4

4 0
3 years ago
~please help, thank you~
solong [7]
The volume of  a pyramid with hight and base is 1/3 the volume of a rectangleular prisim with the same height and base

also the volume of  a cone is 1/3 the volume of a cylinder with same height and base so
just fun facts to know (helpful)


so volume of cylinder=1/3 times height tiimes pi times radius^2
subsitute
use pi=3.14
height=12
radius=6
volume=1/3 times 12 times 3.14 times 6^2
volume=4 times 3.14 times 36
volume=452.16 cubic meters
the naswer is the top left choice
6 0
3 years ago
Read 2 more answers
Let P be a point between points S and T on 2004-01-01-02-00_files/i0120000.jpg. If ST = 21, SP = 3b – 11, and PT = b + 4, solve
NNADVOKAT [17]
The best and most correct answer among the choices provided by your question is the third choice or letter C.

<span>If ST = 21, SP = 3b – 11, and PT = b + 4, the value of b would be 14.

</span>
I hope my answer has come to your help. God bless and have a nice day ahead!
7 0
3 years ago
Read 2 more answers
A researcher observes that, on average, the number of divorces in cities with major league baseball teams is larger than in citi
Leokris [45]

Answer: A

Step-by-step explanation:

Cities where there are major league baseball teams will have high population density. i.e densely populated

This is because baseball will attract several teams of players, coaches, lines men, instructors, spectators and supporters who would like participate in the game.

A major league attracts both local and international players and spectators thereby causing a mixed concentration of both citizens and non-citizens.

This therefore will accommodate several divorced citizens and non-citizens into the city.

6 0
3 years ago
Can someone simplify these for me? I am in desperate need of help. Thank You! [PICS]
Nitella [24]
2\x^-5y this is for the first one 
and for the second i do'nt know sorry 
4 0
3 years ago
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