Solve for X and Y 3x+(2 x-y)i = 6-3i

Answers

Answer 1

Answer:

Answer:

x = 2 and y = 7

Step-by-step explanation:

$\text{Two complex numbers are equal when they have equal real parts}\n\text{ and equal imaginary parts}\n\na+bi=c+di\iff a=c\ and\ b=d$

$3x+(2x-y)i=6-3i\iff3x=6\ \wedge\ 2x-y=-3\n\n3x=6\qquad\text{divide both sides by 3}\n\n\boxed{x=2}\n\n\text{Put the value of x to the second equation:}\n\n2(2)-y=-3\n\n4-y=-3\qquad\text{subtract 4 from both sides}\n\n-y=-7\qquad\text{change the signs}\n\n\boxed{y=7}$

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Answers

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Jennifer made 5 L if punch fit her party. Her brother made another 750 ml. If they combine the two batches, how many 180 ml servings would they have? Would there be any punch left over? How much?

Answers

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if 60 seconds are in a minute 60 minutes are in an hour and 24 hours in a day then 86400 seconds are in a day what type of reasoning is this

Answers

Answer:

This is a deductive reasoning.

Step-by-step explanation:

Every statement like 60 seconds are in a minute, and 60 minutes are in a hour, and 24 hours are in a day is a premise. The conclusion is that there are 86,400 seconds in a day, which comes from: 24 hours / day * 60 minutes / hour * 60 second / minute = 86,400 second / day.

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Tell which measurement tool you would use to measure the area of a student desk. Explain your thinking.