# Questions on Algebra: Complex Numbers answered by real tutors!

Algebra ->  Algebra  -> Complex Numbers Imaginary Numbers Solvers and Lesson -> Questions on Algebra: Complex Numbers answered by real tutors!      Log On

 Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Algebra: Complex Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 317077: 4 divided by(3-5i) write in the form of a+bi. Click here to see answer by solver91311(16868)

 Question 317829: Please help me. For the complex number, state the real part, the imaginary part and identify the number as real, pure imaginary, or nonreal complex. -4 - 6i Thank you Click here to see answer by jim_thompson5910(28476)

 Question 317973: This is a complex fraction and am asked to simplify and show work but I've tried other questions like these and haven't gotten one yet right so I would like some help please. (3/5b^4) - (1/10b) over (7/3b^2) + (9/15b) I put each fraction in ( ) thinking it'd be easier to read... Click here to see answer by checkley77(12569)

 Question 318032: I need your help with this: Find the conjugate of the number 8+2i Thank you Click here to see answer by jim_thompson5910(28476)

 Question 318593: #1 (x - 5)(x + 10) x(x) + x(10) -5(x) -5(10) = ? Click here to see answer by Fombitz(13828)

 Question 318634: Find the value for r if C = 32 C = 2[pi]r Click here to see answer by stanbon(57219)

 Question 318180: 3(x+y)- 4 (y-x)= 19 4(2x-y) + y = 18 Click here to see answer by stanbon(57219)

 Question 318654: One half of the sum of three consecutive multiples of 10 is 90. What are the multiples of 10? Click here to see answer by JBarnum(2044)

 Question 318642: Jim's weekly pay is two thirds of Alicia's. Together they earn \$800 per week. What is each person's weekly pay? Click here to see answer by rfer(12644)

 Question 318656: Solve the following equation for v: S = (-1/2)gt^2 + vt subtract (-1/2)gt^2 from both sides s - (-1/2)gt^2 = vt, or, s + (gt^2/2) = vt then divide by t s/t + gt^2/2t = v, or, s/t + gt/2 = v therefore, v = s/t + gt/2 Click here to see answer by geochica(3)

 Question 318836: how do you simplify these problems? and what does the instructions mean when it says "leave your answers in the standard form of a complex number?" i only had 3 questions so i put them all on one page. i hope this was ok. #1) 8i divided by 4-3i #2) -15-^-18 divided by 33 #3) ^-75-^-300 Click here to see answer by CharlesG2(828)

 Question 318857: how do you solve this equation? x^2=15x-36 *x is squared* Click here to see answer by Fombitz(13828)

 Question 318785: Please try to help with this one. If it takes 2 men to do a job in 12 hours, how many men do the same job in 30 minutes? I can't figure this one out. I really will be relieved if I can get the answer. Thanks. B. Click here to see answer by scott8148(6628)

 Question 318851: If it takes 2 men to do a job in 12 hours, how many men will it take to do the same job in 30 minutes? Click here to see answer by ankor@dixie-net.com(15624)

 Question 319283: Let z = a + bi represent a general complex number. As noted in the lesson, the conjugate of z, abbreviated conj(z) or conj(a + bi) is the complex number a-bi. Also, the modulus of z, modulus(z) is the "size" of z, or SQRT(a2 + b2). Which of the following is true for all complex numbers? I am having a really hard time with this problem. Help would be greatly appreciated. Thanks Click here to see answer by stanbon(57219)

 Question 319281: Find the Polynomial P(x)having real coefficents, with the degree and zeros indicated. Assume the lead coefficient is 1. Recall (a+bi)(a-bi)=a^2 + b^2. degree 4, x- -7, x=9, x= -6i. Click here to see answer by Fombitz(13828)

 Question 319298: 1 3 1- + 3- 2 8 kindly show me the steps to solve the problem thank you Click here to see answer by Fombitz(13828)

 Question 321043: Find the quotient of the complex numbers. (4 + 4i )/(7 + 6i ) Click here to see answer by stanbon(57219)

 Question 319748: If x+iy=(a+ib)*(a+ib)*(a+ib) then show that x/a+y/b=4(a^2-b^2) PLZ help!!!! Click here to see answer by J2R2R(94)

 Question 321779: If x+a=(b/3)x and b=/ 3, then x =? Click here to see answer by stanbon(57219)

 Question 322660: I understand how to find the square root of i, but I am unsure how to find the cube root of i the following problem is an example show that sqrt(3)/2+i/2 is a cube root of i thank you! Click here to see answer by stanbon(57219)
 Question 322660: I understand how to find the square root of i, but I am unsure how to find the cube root of i the following problem is an example show that sqrt(3)/2+i/2 is a cube root of i thank you! Click here to see answer by CharlesG2(828)

 Question 322760: is the actual equation the complex number? example: 2-3i Click here to see answer by Fombitz(13828)

 Question 323154: For i= square root -1, if 3i(2+5i) = x+6i, then x = ? Click here to see answer by QH(50)

 Question 323198: I need to solve for h. Here is the equation D = 1.2 sqrt(h) Thanks! Click here to see answer by stanbon(57219)

 Question 323178: Graph the line with equation: y= -3x + 1 Click here to see answer by rfer(12644)

 Question 323187: I am using the formula w = Cr^-2. The value for w is 100 and the value for r is 3,963. In solving for C, I get a very large number.... 1,570,536,900. Is this correct? Click here to see answer by checkley77(12569)