Questions on Algebra: Complex Numbers answered by real tutors!

Tutors Answer Your Questions about Complex Numbers (FREE)

Question 269366: how do i find the answer to i(2+i)
Click here to see answer by edjones(8007)

Question 270099: What is 2/3x/4/x and what is 13/xy/26x/3y?
Click here to see answer by unlockmath(1688)

Question 270260: Perform the operation and write the result in standard form.
(7 + i) + (-10 + 5i)
Click here to see answer by jim_thompson5910(35256)

Question 270260: Perform the operation and write the result in standard form.
(7 + i) + (-10 + 5i)
Click here to see answer by Alan3354(69443)

Question 270282: what is 3h-5h+11=17 and what is 7g+14-5g=-8 and what is 4=0.4(3d-5) abd what is 2/3g+1/2g=14
Click here to see answer by jim_thompson5910(35256)

Question 270282: what is 3h-5h+11=17 and what is 7g+14-5g=-8 and what is 4=0.4(3d-5) abd what is 2/3g+1/2g=14
Click here to see answer by rfer(16322)

Question 272850: How can I write the expression as a logarithm of a single quantity for the following exercise.
1/2ln(x)+4ln(y)-3ln(z)
Thanks,
Leidy
Click here to see answer by jim_thompson5910(35256)

Question 273148: how do you write the problem 3i(2-3i) in a+bi form?
Click here to see answer by edjones(8007)

Question 273148: how do you write the problem 3i(2-3i) in a+bi form?
Click here to see answer by solver91311(24713)

Question 273218: Help me solve the equation
(1-x)^5 =x^5
Click here to see answer by Alan3354(69443)

Question 273248: Hello, I am trying to figure out how to write this function in vertex form. The question is:
-x^2+2
any help would be appreciated :)
Click here to see answer by Alan3354(69443)

Question 273269: A number whose tens digit is twice its units digit..?
Click here to see answer by stanbon(75887)

Question 273272: A number where the first two digits are the reverse of 3rd & 4th digits and the last digit is one-half of the fisrt & double of the 2nd..??
Click here to see answer by ankor@dixie-net.com(22740)

Question 273552: How do i solve z=4+3i?
Click here to see answer by solver91311(24713)

Question 273613: find all complex numbers that are solution of give equation the answer leave in a + bi
z^8 - 16 = 0
Click here to see answer by CharlesG2(834)

Question 273780: Cube a has an edge length of 2 inches. Cube b has an edge length double that of cube A. What is the volume in cubic inches of cube B?
Click here to see answer by JBarnum(2146)

Question 273777: The consecutive integers below add up to 447.
x-2
x-1
x
x+1
x+2
x+3
What is the value of x
Click here to see answer by checkley77(12844)

Question 274544: How do you simplify (-6 + 2i) + (-4 - 4i) and
(9 + 6i) - (5 + i)

Click here to see answer by Theo(13342)

Question 274605: Find all the sixth roots of (12+5i)
Click here to see answer by CharlesG2(834)

Question 274605: Find all the sixth roots of (12+5i)
Click here to see answer by JBarnum(2146)

Question 274772: hello, i dont know how to solve this question
x^3/4=125
please help =(
Click here to see answer by nerdybill(7384)

Question 274772: hello, i dont know how to solve this question
x^3/4=125
please help =(
Click here to see answer by Alan3354(69443)

Question 275392: How would I do this problem? Express 5 over 3 - radical 2 with a rational denominator, in simplest radical form.
Click here to see answer by edjones(8007)

Question 275458: Solve for x: 4x/x-3= 2 + 12/x-3
Click here to see answer by mananth(16946)

Question 275548: This is my last Algebra 2 problem and I have no idea how to solve this. The problem is to simplify -1/(3+i) using imaginary numbers. To me it appears that this is as simplified as it can get.
Thank you.
Mark
Click here to see answer by stanbon(75887)

Question 275629: Find the real part and imaginary part of (2+i)^5000
Click here to see answer by CharlesG2(834)

Question 276709: Find the solution set of the given equation over the set of complex numbers. (complete the square).
x^2=10x-34
Click here to see answer by checkley77(12844)

Question 277312: It tells me to solve the quadriatic equation, 9(w-4)^2 +1 = 0
Click here to see answer by stanbon(75887)

Question 277311: simplify (2-squared root of negative 5)(4+3i)
Click here to see answer by stanbon(75887)

Question 277764: On a farm there are 3 legged cow and 2 legged chickens. There are 81 heads and 209 legs. How many of each are there?
I am trying to recall how to solve this problem. Thank you for your help.
Click here to see answer by richwmiller(17219)

Question 278449: Hi. I am working on a problem finding the minimum and maximum value of
f(x,y)=x-4y for the feasible region . I have worked the problem and I have found the minimum value which is 0 but i am having trouble finding the maximum . When i worked it out the values i got were (8, -10 , 0) i am not sure if those are right because the -10 is not one of my choices for the answer.
The question for the problem is :
Find the maximum value of f(x,y)=x-4y for the feasible region?
A)14
B)0
C)8
D)6
Thanks for your time & help :)
Click here to see answer by solver91311(24713)

Question 278903: Find the values of x and y, where x and y are real numbers:
8+(3x)= 2x-4

Click here to see answer by ladyVenny(3)

Question 279769: Solve for 't'
A=Be^-kt
Click here to see answer by Alan3354(69443)

Question 279798: I'm really confused about how you get the square of a complex number, could you please explain?
Click here to see answer by Alan3354(69443)

Question 279965: Given complex numbers
u = 3/2 - 2i and v = 5/3 + 3i
Compute the combination u + v
Click here to see answer by richwmiller(17219)

Question 279973: For the given complex numbers
u = 9 - i, v = 4/3 - i
Compute the product uv
Click here to see answer by checkley77(12844)

Question 280121: Maple syrup worth $6.00 a gallon and corn syrup worth .80 cents a gallon are used to make a mixture worth $2.36 a gallon. How many gallons of each kind of syrup are needed to make 50 gallons of the mixture?
Click here to see answer by josmiceli(19441)

Question 280136: find a quadratic function that fits each set of data points
(-1, 4) ( 0,4) (4,84)
Click here to see answer by stanbon(75887)

Question 280160: Mrs. West is 14 years younger than her aunt. If Mrs. West's age in years is as much below 60 as her aunt's age is over 40, how old is each?
Click here to see answer by JBarnum(2146)

Question 280159: Mrs. West is 14 years younger than her aunt. If Mrs. West's age in years is as much below 60 as her aunt's age is over 40, how old is each?
Click here to see answer by JBarnum(2146)

Question 280571: (3-4i)^2
Click here to see answer by richwmiller(17219)

Question 280719: In imaginary numbers, if i squared equals -1, then how do you figure out what i cubed equals?
Click here to see answer by jim_thompson5910(35256)

Question 280726: What is -6i^7?
Click here to see answer by jim_thompson5910(35256)

Question 280737: what is 3i^11? Also, what is 3i^4 x 2i^2?
Click here to see answer by Edwin McCravy(20056)

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