Questions on Algebra: Complex Numbers answered by real tutors!

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Algebra: Complex Numbers

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Question 211382: I need to solve for B
S = 2B + Ph
where B is the area of the base, P is the perimeter of the base and h is the heigth of the prism.
Click here to see answer by rapaljer(3620)

Question 211378: ( x^4)^2
----
-2y^2
Sorry if it's not easy to understand. The problmer is a fraction within parentheses the only number outside the parenthesis is the 2 exponent. I am to simplify without the parenthesis. Thanks in advance
Click here to see answer by MathTherapy(336)

Question 211412: Simplify the below
z^4 y^2 a^5
___________
z^6 y
Click here to see answer by RAY100(1637)

Question 211411: Find the values of x and y that solve the system equation
-4x + 5y = -10
5x - 4y = 8
Click here to see answer by RAY100(1637)

Question 211450: I have gotten several diffrent answers for the below and not sure if you multiply the bottom of the fraction or not with the exponent:
(x^4)^2
----
-2y^2
This is a fraction and the 2 is outside the parenthese. I need to simplify without parenthesis
Click here to see answer by Earlsdon(4900)

Question 211457: Need to solve for Y
-9 = 3
___
y
3/y is a fraction. Thanks
Click here to see answer by Earlsdon(4900)

Question 211461: 8 u
_ = __
7 11
need to solve for U. These are both fractions
Click here to see answer by RAY100(1637)

Question 211463: Factoring
4x^2 + 19xy + 12y^2
Click here to see answer by RAY100(1637)

Question 211455: Reducing to lowest term
T^2 + 6T + 8
____________
2T^2 - 8
This is a fraction. Thanks in advance
Click here to see answer by ankor@dixie-net.com(6693)

Question 211635: Simplifing and assuming the variables represent positive numbers
z square root of 48zw^2 - 2w square root 75z^3
Click here to see answer by Alan3354(6089)

Question 211473: Need to simplify
(x^4)^2
_____
(-2y^2)
The fraction is surrender within parenthesis and their is a 2 eponent outside the parenthesis
Click here to see answer by checkley77(7060)

Question 211338: Please help my divide (4x^3-17x^2+7x+10) by (4x-5)
Click here to see answer by Edwin McCravy(2922)

Question 211652: rewrite each set in indicated notation.
(-infinite,3) (5,11) in words
Click here to see answer by rfer(2688)

Question 211722: x+4/4x divided by x+4 how do you get the fraction out of the numerator

Click here to see answer by Theo(675)

Question 211812: (5.326)(4.05); Round each factor to one nonzero digit.
Click here to see answer by rfer(2688)

Question 211850: solve the equation in the complex number system:
x squared + 12x + 72 = 0
Click here to see answer by RAY100(1637)

Question 211865: solve: x squared - 4x - 13 = 0 using the quadratic formula
Click here to see answer by checkley77(7060)

Question 212290: (5+4i)+(3-5i)
Click here to see answer by Alan3354(6089)

Question 212480: solve the expressions (2-i)^3 in form of a+bi
Click here to see answer by stanbon(26281)

Question 212480: solve the expressions (2-i)^3 in form of a+bi
Click here to see answer by drj(1380)

Question 212844: ie^i0
Click here to see answer by stanbon(26281)

Question 212740:
Click here to see answer by rapaljer(3620)

Question 212977: (1/7-i)^2
Click here to see answer by Earlsdon(4900)

Question 213284: (ab+b^2/4ab^5)/(a+b/6ab^2b^4)
Please help!!!!
Click here to see answer by Alan3354(6089)

Question 213439: The waterbeds Myron sells have an average size of 22.5 cubic feet. One cubic foot of water weighs 62.4 pounds. What is the weight of one waterbed?

Click here to see answer by rapaljer(3620)

Question 213433: Select the correct upper limit, lower limit, and the range of tolerance for the measurement listed.
4.75 ± 0.05

Click here to see answer by rapaljer(3620)

Question 213472This question is from textbook Algebra and Trigonometry with Analytic Geometry
: I need help solving 2+(x+ 9y)i=x+56i :Find the values of x and y, where x and y are real numbers.
This question is from textbook Algebra and Trigonometry with Analytic Geometry

Click here to see answer by rapaljer(3620)

Question 213542: Hi, if there's any one who knows how to solve this problem i'd appreciate it, explaining how to find the solution to the problem is far more important then that actaul anwser.
I'm not sure what symbol i can type for Radical Numbers so i'll use R to represent a Radical Number.
6R3 + 8R3 - 16R3 = ?
Find Simplest Form.
The Radical number is listed after the "R" Thank you!
Click here to see answer by rapaljer(3620)

Question 214135: what is 3 sevenths of one third + one quarter
Click here to see answer by thinkingeye(11)

Question 214135: what is 3 sevenths of one third + one quarter
Click here to see answer by solver91311(5072)

Question 214405: when y is an odd number in an algebraic equation why does the always equal an even number i worked out the answers to many odd numbers but i still don't understand ?
Click here to see answer by Alan3354(6089)

Question 214423: Add or subtract as indicated and write the result in a , b i form.
(4 . 2i) , (2, 5i)
Click here to see answer by solver91311(5072)

Question 214781: solve the soultion
(12x-8)exponent2=54
Click here to see answer by jim_thompson5910(13794)

Question 214781: solve the soultion
(12x-8)exponent2=54
Click here to see answer by stanbon(26281)

Question 214780: write the standard form and graph it y=-(x-1)exponent2-1
Click here to see answer by stanbon(26281)

Question 214884: simplify 3a^7b^-4/9a^5b^5
Click here to see answer by RAY100(1637)

Question 215861This question is from textbook precalculus
: can someone help me with this problem step by step?
5-6i find the product of the complex number and find its conjugate.
thanks
Thank you so much!!!!!!This question is from textbook precalculus

Click here to see answer by Alan3354(6089)

Question 216181: Hi, I was wondering if someone could help me with this problem.
Find the derivative of the following function:
(e^x)^x
Thanks, Judy
Click here to see answer by Alan3354(6089)

Question 216176: Hi, I was wondering if someone could help me with this problem.
Simplify the following by hand. Give the answer in the form a+bi (a, b are real).
(2-i)/(5+i)
Thanks, Judy
Click here to see answer by ankor@dixie-net.com(6693)

Question 216396: if y=x3, what is equivalent to x12
Click here to see answer by bob123132(33)

Question 216920: Express each complex number in the form a+bi. (2i/2+i)-(5/2-i)
Click here to see answer by stanbon(26281)

Question 216874: solve the equation by completing the square:
Click here to see answer by ankor@dixie-net.com(6693)

Question 217277: Add or subtract as indicated and write the result in standard form.
7i - (-2 - i)
Click here to see answer by rfer(2688)

Question 217144: (5+3i) + (2+4i)
Click here to see answer by shymeerab(21)

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