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nika2105 [10]
2 years ago
13

Which represents z = 3 (cosine (StartFraction 7 pi Over 6 EndFraction) + I sine (StartFraction 7 pi Over 6 EndFraction) )?

Mathematics
2 answers:
Yakvenalex [24]2 years ago
7 0

Answer:

Graph A

Step-by-step explanation:

EDG2021

vodomira [7]2 years ago
4 0

Answer:

The first one

Step-by-step explanation:

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Multiply integer by fraction
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Make the internet a fraction and then multiply them
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At a carnival game, you randomly throw two darts at the board and break two balloons. What is the probability that both the ball
Amanda [17]
4/15 of the balloons are purple. You have two darts. There are 105 combinations of hitting two balloons out of the 15. There are 6 combinations of purple balloons to be hit. This (Purple combinations over total combinations) is your probability. 6/105 simplified to 2/35 or 2:35
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3 years ago
A first number plus twice a second number is 9. Twice the first number plus the second totals 21. Find the numbers
WITCHER [35]
Let x and y be the numbers;
We have x + 2y = 9 and 2x + y = 21;
Then, x = 9 - 2y;
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7 0
3 years ago
Find the percent of change. Round your answer to the nearest tent necessary, Please explain.
Marysya12 [62]

Answer:

No answer just clues

Step-by-step explanation:

x/100*160/1=185/1

y/100*56/1=77/1

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6 0
2 years ago
9x+y=28<br> 3x+3y=(-12)<br> Solve using elimination
Rzqust [24]

Answer:

(x, y)=(4,-8)

Step-by-step explanation:

9x+y=28

3x+3y=-12 /:(-3)

9x+y=28.......(1)

-x-y=4......(2)

9x+y=28

(1)+(2): 8x=32

9x+y=28

x=32/8

9x+y=28

x=4

9*4+y=28

x=4

36+y=28

x=4

y=28-36

x=4

y=-8

x=4

(x, y) =(4,-8)

5 0
2 years ago
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