A = 81 square in.
s = sqrt(A)
s = sqrt(81)
s = 9 in.
0 lightbulbs would be expected to burn out in 1800 hours
Answer:
If Z is a complex number:
Z = a + b*i
where a and b are real numbers, and i is an imaginary number.
Then "a" is the real part.
"b*i" is the imaginary part.
The conjugate of Z is:
Zc = a - b*i
So the sign of the imaginary part changes.
Then:
Sum:
Z + Zc = (a + bi) + (a - bi) = 2*a + 0 = 2*a
and remember that a is a real number, then 2*a is also a real numer.
The correct answer is "A real number".
Difference:
Z - Zc = (a + bi) - (a - bi) = 2b*i
and this is a pure imaginary number, so here the correct answer is: "a pure imaginary number"
Factor<span>: 3x^2 - </span>33x<span> + </span>84<span>. </span>Factor<span> out the Greatest Common </span>Factor<span> (GCF) = 3 3(x^2 - 11x + .... </span>Factor<span> trinomial completely: </span>3x2+33x+84<span>? </span>3x2<span> - </span><span>33x</span>
Your function is:
Y= 29 + 0.35x
X represents the money that Tracy is charged per minute
