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lyudmila [28]
3 years ago
12

HELPPPP ! COREECT ANSWER GETS BRAINLIEST

Mathematics
2 answers:
vichka [17]3 years ago
6 0

Answer:

B  is the answer

Step-by-step explanation:

Goryan [66]3 years ago
6 0

Answer:

14.56 is your answer

Step-by-step explanation:

a^2+b^2=C^2

4^2+14^2=C^2

16+196=C^2

C^2=212

*find the square root*

there is your answer

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Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu
nekit [7.7K]

Answer:

E = (28 + 66i) Volts

Step-by-step explanation:

Note that: i = √-1 ; i² = -1

Ohm's law: E = IR

E = (16+ i) (2 + 4i)

Expand the equation.

E = 16x2 + 16x4i + ix2 + ix4i

E = 32 + 64i + 2i + 4i²

E = 32 + 64i + 2i + 4(-1)

E = 32 + 64i + 2i - 4

Collect like terms:

E = 32 -4 + 64i + 2i

E = (28 + 66i) Volts

6 0
3 years ago
Use synthetic division to divide 2x^4 – 3x^3 + 2x2 – 8x – 1 by x – 1.
In-s [12.5K]

1. controle if no numbers are missing and the numbers are in the right order

2. the formula is x-a so a=1

3. write everything out in the scheme

4. let the first number drop down

5. multiply the answers by a

6. add the number that are under each other

7. repeat 5 and 6 until to you're done

8. write down the equation

9. last number in the scheme is your residue, which means that you write it at the end, outside of the ()

7 0
2 years ago
A t-shirt decreased in price by
snow_tiger [21]

Answer:

£20

Step-by-step explanation:

1-1/4=3/4

3/4=15

1

1*15/3/4

15*4/3=20

7 0
2 years ago
How do you write 5y-9=0 in standard form?
shepuryov [24]

Answer:

5y=9

Step-by-step explanation:

5 0
3 years ago
Y=6<br> X+2y=16<br><br> Can someone one help me out its a substitution and system of equations graph
Nikitich [7]
If you know that y = 6. You just have to switch Y by 6.

x + 2y = 16
x + 2*6 = 16
x + 12 = 16
x = 16 - 12
x= 4

4 + 2*6 = 16

Hope this helps !

Photon
7 0
3 years ago
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