Questions on Algebra: Complex Numbers answered by real tutors!

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Algebra: Complex Numbers

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Question 100895: 1/3(s-2)=s +4
I first distribute, and I got s/3-2/3=s +4
I added 2/3 and ended up with s/3= 14/3 is this right or am I missing a step?
Click here to see answer by scott8148(3385)

Question 100898: 2/5 (x-2)=X+4
I got 2x/5-4/5=x+4 and I'm not sure what to do next because of the fractions

Click here to see answer by edjones(3299)

Question 101302: what is the solution to this problem
2x^2-(square root 7)x-10=0
Click here to see answer by stanbon(26297)

Question 101376: If abc=1, which of the following could be the number of intergers among a, b, and c?
a.1
b.2
c.3
Click here to see answer by jazmin933(1)

Question 102360This question is from textbook Mathematics for Technicians
: Hello,
I have a problem with this text book that it gives me the answer as being 6. But I have worked it out many times in varying ways and I still keep getting the same answer as 9.797958971.
Would you please be able to tell me which answer is correct and why.
Thank you so very much.
Cheers
D
The following has been my preferred methodology. Thanks.
sgrt8^2+6^2-(8-6)^2
sqrt8^2+6^2-2^2
sqrt64+36-4
sqrt96
=9.797958971This question is from textbook Mathematics for Technicians

Click here to see answer by edjones(3299)

Question 102468This question is from textbook algebra and Trigonmetry
: find all real solutions of the equation:
1 over x cubed plus 4 over x squared plus 4 over x equals zero
I didn't understand what all of the signs meant so i wrote out all of the wordsThis question is from textbook algebra and Trigonmetry

Click here to see answer by Fombitz(2113)

Question 102691: the modulus or absolute value of a complex numbers:

if z2=4+3i and z2=-2+3i what is /z1/ and /z2/?

Click here to see answer by stanbon(26297)

Question 103333: The first of two films lasted 3 minutes less than twice as long as the second. together the two films lasted 132 minuates. Howlong was the first film.
Click here to see answer by HyperBrain(694)

Question 104395: The diameter of a slmall pizza is 16 centemeters. This is 2 centemeters more that two fifths of the diameter of a large pizza. Find the diameter of the large pizza.
Click here to see answer by Ashley234(3)

Question 87342This question is from textbook Intermediate and Elementary Alegebra
: What is the product of two binominals and support the answer by identifying the factoring of polynomials. This question is from textbook Intermediate and Elementary Alegebra

Click here to see answer by Ashley234(3)

Question 104440: 1) Is the following function linear? Can you evaluate the function for the given value of x.
f(x)=1 - x^2 ; f(0)
2)Can you help me write an equation of the line that passes through the given point and satisfies the given condition for the foolowing two problems:
a)(1,3) ; parallele to y=2x-1
b) (3,2) ; perpendicular to y= -3x
3)What is the property that the statement 4(2 + 3)=4(2) + 4(3) illustrates?
Click here to see answer by stanbon(26297)

Question 105402: x-5(x+2)=x+3(3-2x)
Click here to see answer by checkley75(3666)

Question 105787: negative square root negative one over three

Click here to see answer by tutorcecilia(2042)

Question 105802: express in the form x+jy where x and y are real numbers:
(5+j3)(3-j)-(3+j)
Click here to see answer by Fombitz(2113)

Question 106279This question is from textbook Algabra Structure and Method
: Find a number that is 38 less than its oppositeThis question is from textbook Algabra Structure and Method

Click here to see answer by stanbon(26297)

Question 106285This question is from textbook Algabra Structure and Method
: The greater of two comsecutive even integers is 20 more than twice the smaller. Find the integers.This question is from textbook Algabra Structure and Method

Click here to see answer by MathLover1(1183)

Question 106283This question is from textbook Algabra Structure and Method
: The length of a rectangle is twice the width. The perimeter is 84 cm more than the width. Make a diagram and find the rectangle's dimensions.This question is from textbook Algabra Structure and Method

Click here to see answer by elima(1433)

Question 92641: I'm not sure if I picked the right topic. I'm supposed to solve by completing the square:
y^2-6y-8=0
Click here to see answer by elima(1433)

Question 106781: Is there a way or maybe an equation to tell what an imaginary number is going to be?

For example: i to the 14th power would be...
Click here to see answer by scott8148(3385)

Question 106935: whta is a complex number?
Click here to see answer by Fombitz(2113)

Question 106935: whta is a complex number?
Click here to see answer by Demi5000000(8)

Question 106939This question is from textbook Structure and Method

: Find a number that is 68 greater than three times its oppositeThis question is from textbook Structure and Method

Click here to see answer by cheesey(22)

Question 106942This question is from textbook structure and method

: The greater of two consecutive even integers is 20 more than twice the smaller. Find the integers. This question is from textbook structure and method

Click here to see answer by checkley75(3666)

Question 106942This question is from textbook structure and method

: The greater of two consecutive even integers is 20 more than twice the smaller. Find the integers. This question is from textbook structure and method

Click here to see answer by cheesey(22)

Question 106941This question is from textbook Structure and Method

: Four times a number, increased by 25, is 13 less than six times the number. Find the numberThis question is from textbook Structure and Method

Click here to see answer by checkley75(3666)

Question 106949This question is from textbook Structure and Method

: Dionne has six steel balls of equal mass. If she puts five of them in one pan of a beam balance and one ball and a 100 g mass in the other pan, the pans balance each other. What is the mass of each ball?This question is from textbook Structure and Method

Click here to see answer by checkley75(3666)

Question 107655: (x-2)²=-16
Click here to see answer by jim_thompson5910(13794)

Question 107653: 2x²+26=-10
Click here to see answer by Fombitz(2113)

Question 107724: What does 3i^33-2i^27 equal and how do you find the answer?
Click here to see answer by stanbon(26297)

Question 107652: 2x²+26=-10
Click here to see answer by checkley71(8405)

Question 107650: 3-5x²=-9

Click here to see answer by edjones(3299)

Question 107898: how do you work out 0.04 how many times does 0.6 go in to it

Click here to see answer by stanbon(26297)

Question 108152: (7+2i)-(3+3i)
Click here to see answer by Fombitz(2113)

Question 108151: (3-2i)+(1+i)
Click here to see answer by MathLover1(1183)

Question 108150: (5+3i)+(2+4i)
Click here to see answer by MathLover1(1183)

Question 108428: (8-6i)/3i
(simplify)
Click here to see answer by checkley71(8405)

Question 109076: 12x3-19x2-25x-10 divided by 4x+3 =
Click here to see answer by Demi5000000(8)

Question 109087: Please, can any one help me solve this difficult problem?? I would deeply appreciate it. Thank you!!
4(x+2)^2+320=0

Click here to see answer by edjones(3299)

Question 109239: i squared[(2+8i)(5+2i)
Click here to see answer by edjones(3299)

Question 109208: √8-x+6=4
Click here to see answer by ankor@dixie-net.com(6693)

Question 109433: I would like assitance with these problems if available and would appreciate you.
Describe the transformations onthe following graph of f(x)= e^x. State the placement of the horizontal asymptote and y-intercept after the transformation.
a. g(x)=e^x -2
Description of transformation:
Horizontal asymptote:
y-intercept in (x,y) form
an the same b. h(x)=-e^x

3) Describe the tranformations onthe following graph of f(x)=log(x)
g(x)=log(x-3)
Description of transformation:
Vertical asymptote:
x-intercept in (x,y) form:
b) g(x)=log(-x)
Description of transformation:
Vertical asymptote:
x-intercept in (x.y) form
I just get confuse on the formulas

Click here to see answer by stanbon(26297)

Question 109206: √8-x+6=4
Click here to see answer by ankor@dixie-net.com(6693)

Question 109690: Solve system by elimination
y-7=x
x+y=13
Click here to see answer by solver91311(5072)

Question 109686: Solve system by elimination
1/2x+y=22
2x+4y=11
Click here to see answer by elima(1433)

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