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Lisa [10]
3 years ago
15

Use x=3x=3x, equals, 3 to identify the value of each expression.

Mathematics
1 answer:
Serjik [45]3 years ago
8 0

This question does not make sense. There cannot be that many equal signs.

x + 3x + 3x = 3

x = 3/7

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The absolute value of any complex number a + bi is the ___________ from (a, b) to (0, 0) in the complex plane.
Lyrx [107]

Answer:

distance

Step-by-step explanation:

Usually the absolute value of a complex number is called its magnitude. The squared magnitude is the algebraic quantity that's preferable to work with.

Let

z = a+bi

|z|^2 = z^* z = zz^* = |a+bi|^2= (a+bi)(a-bi) = a^2 - i^2 b^2 = a^2+b^2

|a+bi| = \sqrt{a^2+b^2}

That's the distance from the origin to (a,b)

3 0
3 years ago
M=(3x)/(pi r^(2)h)<br><br> solve for "r"
wel

The solution for r in the given equation is r = √[(3x)/(pi h)(m)]

<h3>How to determine the solution of r in the equation?</h3>

The equation is given as:

m = (3x)/(pi r^(2)h)

Multiply both sides of the equation by (pi r^2h)

So, we have:

(pi r^(2)h) * m = (3x)/(pi r^(2)h) * (pi r^(2)h)

Evaluate the product in the above equation

So, we have:

(pi r^(2)h) * m = (3x)

Divide both sides of the equation by (pi h)(m)

So, we have:

(pi r^(2)h) * m/(pi h)(m) = (3x)/(pi h)(m)

Evaluate the quotient in the above equation

So, we have:

r^(2) = (3x)/(pi h)(m)

Take the square root of both sides in the above equation

So, we have:

√r^(2) = √[(3x)/(pi h)(m)]

Evaluate the square root of both sides in the above equation

So, we have:

r = √[(3x)/(pi h)(m)]

Hence, the solution for r in the given equation is r = √[(3x)/(pi h)(m)]

Read more about equations at

brainly.com/question/2972832

#SPJ1

5 0
1 year ago
Ruby's math teacher finds that there's roughly a linear relationship between the
Yuri [45]
It’s y= 61 because if 55 + 6 = 61 I need the points please
8 0
3 years ago
What is the value of x and y?
ladessa [460]

Answer:

x=16 and y=9

Step-by-step explanation:

2y+30=3y+21[Diagonals of parallelogram are equal]

30-21=3y-2y

y=9

3y=2x-5[Diagonals of parallelogram are equal]

3×9=2x-5

27=2x-5

2x=27+5

x=32/2=16

5 0
2 years ago
4 + <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B7%7D" id="TexFormula1" title="\frac{x}{7}" alt="\frac{x}{7}" align="absmi
DedPeter [7]
Then 2 is ur answer lol .
8 0
3 years ago
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