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Salsk061 [2.6K]
3 years ago
12

Find the real numbers x and y that make the equation true (x+6i)=(3-i)+(4-2yi)​

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Answer:

x = 7

y = -7/2

Step-by-step explanation:

(x+6i)=(3-i)+(4-2yi)​

First look at the real parts

x = 3 +4

x = 7

Then look at the imaginary part

6i= -i -2yi

6 = -1-2y

Add 1 to each side

6+1 = -2y

7 = -2y

Divide by -2

7/-2 = y

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Py+7=6y+q solve for y
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We know that we are solving for y.


This is a step by step procedure to get the value of y.


First: Move all terms to the left side and set equal to zero.


Second: Then set each factor equal to zero.

 

The application is:


Given: py+7=6y+q 


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3 years ago
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A scale model of a tiger measures 1.5 feet long. The Tigers actual length is 9 feet. What is the scale of the model?
seraphim [82]
The\ scale\ of\ the\ model\ =  \frac{A\ scale\ model\ of\ a\ tiger}{The\ tiger's\ actual\ length} =  \frac{1.5}{9} =1:6
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3 years ago
What number must be added to the expression below to complete the<br> square?<br> x² - 18x
kiruha [24]

Answer:

\boxed {\boxed {\sf 81}}

Step-by-step explanation:

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ax^2+bx+c

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The expression given:

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This is the number that is added.

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