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Sophie [7]
2 years ago
8

Operations with Complex Numbers: Tutorial

Mathematics
1 answer:
nlexa [21]2 years ago
5 0

Answer:

9i \sqrt{3}

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Help please? 26x-2(3x+4y)-10y
AlladinOne [14]

Answer:

20x-18y

Step-by-step explanation:

26x-2(3x+4y)-10y

26x-6x-8y-10y

20x-18y go doawnload the app photomath its a great tool

6 0
3 years ago
Photo used to help with the question is below!! Please answer! Will mark BRAINLIEST!
Degger [83]

Answer:

Area of Parallelogram = 120 in square

Area of Trapezoid =21.25cm square

Step-by-step explanation:

For Parallelogram A=15in x 8in

= 120in square

For Trapezoid

A=1/2*5(6+2.5)

=2.5(8.5)

=21.25cm square

4 0
3 years ago
1) a^2+2ab+b^2=25, find a+b
Pavel [41]

Answer:

1) -5 and +5; 2) -9 and +9

Step-by-step explanation:

1) a² + 2ab + b² = 25

(a + b)² = 25      Wrote the left-hand side as a square

  a + b =  ±5    Took the square root of each side

All values of a + b are -5 and +5.

2) a² − 8ab + 16b² = 81

(a - 4b)² = 81      Wrote the left-hand side as a square

  a - 4b = ±9     Took the square root of each side

All values of a - 4b are -9 and +9.

3 0
4 years ago
THIS IS VERY URGENT AND I WILL GIVE BRAINLIEST
Aleks [24]
Oído i just needed answers
8 0
3 years ago
Lucas and his brother, Max, went to the arcade yesterday. Lucas played 2 games of Rodeo Racing and 8 games of Polar Pinball. Max
Umnica [9.8K]

Answer:

Max

Step-by-step explanation:

Lucas played 2 Rodeo Racing:8 Polar pinball = 1:4 (Divide by 2)

Max played 3 Rodeo Racing:9 Polar pinball = 1:3 (Divide by 3)

1:3 is greater than 1:4 so this proves that Max has played the greater ration of Rodeo Racing to Polar Pinball.

8 0
3 years ago
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