Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 648908: The quotient of a number and 2 plus 8 is fewer than 6
Click here to see answer by ewatrrr(24785)

Question 649731: what is (3 sqrt(20)) + (2 sqrt(5)) in simplest form? Not solved, but in simplest form?
Click here to see answer by fcabanski(1391)

Question 650800: x^3+125=0
Click here to see answer by Edwin McCravy(20056)

Question 650800: x^3+125=0
Click here to see answer by ewatrrr(24785)

Question 652351: square root of -15 multiplied by square root of -3 divided by square root of 5
Click here to see answer by Shana-D77(132)

Question 652385: If gloria recieved a 12 percent raise and is now making $24.640 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
Click here to see answer by rfer(16322)

Question 652468: 51 = 72 � 3x
Click here to see answer by ankor@dixie-net.com(22740)

Question 652519: It takes Denis 3 hrs longer than Rolly to complete a certain job. Working together, both can complete the job in 2 hrs. How long does it take each person to complete the job working alone?
Click here to see answer by ankor@dixie-net.com(22740)

Question 654708: Ok 35 Miles Per Hour Has The Same Rate As Wich One Of These Below ?
A.150
B.1,500
C.2,200
D,3,080
Please Answer, And By The Way These Are Convert Unit Rates !
Click here to see answer by ankor@dixie-net.com(22740)

Question 655718: Please hep me!
Write the expression in standard form a + bi.
if z = 9 - 3i, evaluate z + /z.
Click here to see answer by MathDazed(34)

Question 656149: x^2+8x+20=0
Click here to see answer by MathLover1(20850)

Question 656628: To what set does -0.234 belong?
Click here to see answer by solver91311(24713)

Question 656917: Find the limit as x approaches 4 of the function (u^4-256)/(u^3-64)
Click here to see answer by Alan3354(69443)

Question 657219: I cannot for the life of me figure out this problem (I keep getting the wrong answer).
Simplify the complex fraction:

25x-100y/30/x-4y/6x

Here is another example in case I didn't properly type it out of how it should look. A fraction over another fraction. Sorry. Thank you so much!
25x-100y
-----------
30
--------
x-4y
------
6x
Click here to see answer by josmiceli(19441)

Question 658401: (5+i)^2
Click here to see answer by MathLover1(20850)

Question 658613: Please help me figure out the following math problem: (three halves a^2b)^3*(four ninths ab^4).

Click here to see answer by stanbon(75887)

Question 658626: Simplify the following expression, and rewrite it in an equivalent form with positive exponents.?
-44x^-3/176x^3y^4 please show work
Click here to see answer by lynnlo(4176)

Question 658626: Simplify the following expression, and rewrite it in an equivalent form with positive exponents.?
-44x^-3/176x^3y^4 please show work
Click here to see answer by MathTherapy(10552)

Question 658655:
Subtract the complex expressions, and simplify.
(-8.7 � 1.4i) � (5.1 + 9.7i)

Click here to see answer by MathLover1(20850)

Question 658638: Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
(6.5 � 10^3) � (1.5 � 10^7)

Click here to see answer by rfer(16322)

Question 658859: I need help.
Click here to see answer by Alan3354(69443)

Question 658998: What is the square root of 27 divided by 49?
Click here to see answer by jim_thompson5910(35256)

Question 659314: Write this expression as a complex number where a,b,c,and d are integers

Click here to see answer by Edwin McCravy(20056)

Question 659875: SOLVE FOR X

(3000*10)+(3300*X)+(2500*1.5)+(1000*[86.5-{X+10+1.5}])=279000

Please and Thank you
Click here to see answer by nidatanu(4)

Question 660983: 8= (x-2)^3 how do u get rid of that 3 ?
Click here to see answer by jim_thompson5910(35256)

Question 660995: i need help with this problem. im not sure how to break it down.
3/(4+i)
Click here to see answer by josmiceli(19441)

Question 661094: How do I solve this equation:
f(x)= 24x^2+2x=29
Click here to see answer by ewatrrr(24785)

Question 662528: How many ways are there to make twelve without using zero
Click here to see answer by Alan3354(69443)

Question 662616: use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
(6*5*10^3)*(1*5*10^7)
Click here to see answer by Alan3354(69443)

Question 662626: Could you please tell me the steps to solve this problem?
(x-7-5i)(x-7+5i)

Thanks
Click here to see answer by Alan3354(69443)

Question 662626: Could you please tell me the steps to solve this problem?
(x-7-5i)(x-7+5i)

Thanks
Click here to see answer by MathLover1(20850)

Question 662863: how do u solve 4/i?
Click here to see answer by Alan3354(69443)

Question 663351: (3)(4+i)
Click here to see answer by Alan3354(69443)

Question 663567: 2a-5/7 = 3a+4/9
Click here to see answer by ReadingBoosters(3246)

Question 663648: Please help me factor z^3 - iz^2 + 3iz + 3 into linear factors

Click here to see answer by Edwin McCravy(20056)

Question 663656: 2m+4-3m=8(m-1) m= ?
Click here to see answer by ReadingBoosters(3246)

Question 663681: what is -19-15i simplified to form a+bi
Click here to see answer by Alan3354(69443)

Question 663790: how do you find the answer to 5x-2x=54, it would be very appreciated with a long explained answer, thank you

Click here to see answer by ReadingBoosters(3246)

Question 665512: Need to solve:
5(n+7)/7=7
Thanks!
Click here to see answer by MathLover1(20850)

Question 665512: Need to solve:
5(n+7)/7=7
Thanks!
Click here to see answer by josmiceli(19441)

Question 665822: Factor the expression.

Click here to see answer by Alan3354(69443)

Question 665821: Factor the expression

Click here to see answer by MathLover1(20850)

Question 665817: Factor the given expression.

Click here to see answer by MathLover1(20850)

Question 665901: cos(pi/10) = cos (-pi/10) How do i show this to be true. Explain
Click here to see answer by Alan3354(69443)

Question 666077: Simplify and express (4+i)(4-i) in the form a+bi
Click here to see answer by ewatrrr(24785)

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