2 years ago

What is the value of the product (3-2i)(3+2i)?

Mathematics

2 answers:

SCORPION-xisa [38]2 years ago

4 0

Answer:

Step-by-step explanation:

olga_2 [115]2 years ago

3 0

9-(4i)^2 is the answer

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Find the value of x and y

velikii [3]

Answer:

2x + 20 = 3x-10

2x -3x = -20-10

-x = -30

x= 30

Checking part:

2x+20 = 2(30) +20 = 60+20 = 80

3x-10 = 3(30) - 10 = 90-10 = 80

Hence, the final answer is x = 30.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Share £12 in the ratio 1:2

bazaltina [42]

Answer:

£4 and £8.

Step-by-step explanation:

There are 3 parts to the sharing ( 2 + 1 = 3).

So one part is 1/3 of 12.

One part is 1/3 * 12 = £4

and 2 parts = 2/ * 1/3 * 12 = £8.

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3 years ago

How do I isolate the “I” variable

hjlf

Answer:

$I = \pm \sqrt{\dfrac{P}{R}}$

Step-by-step explanation:

$P = I^2R$

Divide both sides by R.

$\dfrac{P}{R} = I^2$

Switch sides.

$I^2 = \dfrac{P}{R}$

Take the square root of both sides.

$I = \pm \sqrt{\dfrac{P}{R}}$

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2 years ago

The volume of a cube is found using the formula L^3 where L is the side length. What is the volume of a cube in cubic feet, that

navik [9.2K]

Hello,

V=(3/5)³=27/125
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3 years ago

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