Answer:50°
Step-by-step explanation:
2(x+10)=3x-30
2x+20=3x-30
50°=x
It's A 15.6
I know it's late but i hope i helped :D
The expression which is equivalent to √(-9) is 3i.
<h3>What is Complex number?</h3>
A complex number is the sum of a real number and an imaginary number. A complex number is of the form a + ib and is usually represented by z.
Here, given expression;
y = √(-9)
y = √9 X √(-1)
y = 3√(-1)
y = 3i
Thus, the expression which is equivalent to √(-9) is 3i.
Learn more about Complex number from:
brainly.com/question/10251853
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Answer:
First degree
Step-by-step explanation:
Answer:
XZ
Step-by-step explanation:
The intersection of the 2 planes is along the line XZ