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Rod
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User Rod
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z is a variable complex number such that mod(z) = 2. Show that the point z + (1/z) lies on an ellipse of eccentricity 4/5 in the complex plane.
answered
Jul 18, 2016
in
Word Problem Answers
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1.9k
views
complex numbers
Determine the following limit
answered
Jul 17, 2016
in
Other Math Topics
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484
views
limits
Differentiate using product rule
answered
Jul 17, 2016
in
Calculus Answers
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678
views
product rule
differentiate
solve for x
answered
Jul 17, 2016
in
Pre-Algebra Answers
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565
views
exponents
Pls give 10 problems about linear functions
answered
Jul 17, 2016
in
Other Math Topics
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476
views
math problem
rational function f(x)=x/(x+4)
answered
Jul 17, 2016
in
Other Math Topics
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439
views
f(x)=x (x+4)
5,10,20,40 find the 13th term
answered
Jul 17, 2016
in
Other Math Topics
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2.9k
views
geometric sequence
- r=2/1+sin (- u), solve for and cofirm if it is the same as r=2/1+sinu
answered
Jul 17, 2016
in
Calculus Answers
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424
views
solve 2x^2-12x+4=0 by completing the square.
answered
Jul 16, 2016
in
Algebra 2 Answers
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3.2k
views
solving quadratic equations by completing the square
What is the speed of an electron whose kinetic energy is 1.66MeV?
answered
Jul 15, 2016
in
Word Problem Answers
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870
views
solving equations
what is the current density and electron drift speed
answered
Jul 15, 2016
in
Word Problem Answers
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502
views
solving equations
word problems
write a polynomial function of the lowest degree with rational coefficients that has the given numbers as some of its zeros: 2-i, sqrt(3)
answered
Jul 14, 2016
in
Algebra 2 Answers
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1.9k
views
algebra 2 problem
pre calculus problems
roots of polynomials
real and complex zeros
Find 5 numbers between 1 / 2 and 1/3
answered
Jul 14, 2016
in
Other Math Topics
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577
views
please help me to solve this problem
6th grade math
change 3/9, 2/6, 2/3 to similar fraction
answered
Jul 14, 2016
in
Other Math Topics
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689
views
fraction problems
for finding fibonacci sequence if a1=1 & a2=1
answered
Jul 14, 2016
in
Algebra 1 Answers
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616
views
algebra problems
Fibonacci Type Sequence..
answered
Jul 14, 2016
in
Algebra 1 Answers
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2.7k
views
#fibonaccitypesequence #grade10
f(x)=2.4x2-14x+23 =
answered
Jul 14, 2016
in
Algebra 2 Answers
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820
views
algebra problems
quadratics
the length of the side of triangle 15cm12cmand 13cm find the opposit vertex to the side those length is 13cm.
answered
Jul 14, 2016
in
Other Math Topics
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496
views
solving triangles
How many school buses could fit bumper to bumper (the average length of a school bus is 11 meters) across the Grand Canyon at each point. Round your answers to the nearest whole number.
answered
Jul 14, 2016
in
Other Math Topics
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2.2k
views
word problems
about friction
answered
Jul 14, 2016
in
Algebra 2 Answers
|
356
views
friction
suppose that a trip from the dormitory to the lake at 30km/hour takes 12 minutes longer than the return trip at 48km/hour. How far apart are the dormitory and the lake?
answered
Jul 14, 2016
in
Word Problem Answers
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957
views
word problems
What is the standard form of the parabola with the points of (-1,4) (0,5) and (1,8)
answered
Jul 13, 2016
in
Algebra 2 Answers
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716
views
standard form of an equation
quadratics
extreme values?
answered
Jul 13, 2016
in
Calculus Answers
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394
views
quadratics
9 boys take part in a relay event. Each boy runs 3/4 of a mile how far do they run altogheter
answered
Jul 13, 2016
in
Other Math Topics
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2.9k
views
word problems
What is the equation of the line passing through the points (–25, 50) and (25, 50) in slope-intercept form?
answered
Jul 13, 2016
in
Algebra 2 Answers
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2.2k
views
slope intercept form
Given: f(x)= x^2 - 2x + 5 and g(x)= √x. What are the answers if its (f+g)(x) , (f-g)(x) , (f*g)(x) , (f/g)(x)
answered
Jul 13, 2016
in
Calculus Answers
|
667
views
function of x
evaluating functions
Use the quotient property for radicals to write the following in simplified form. √16/3
answered
Jul 13, 2016
in
Algebra 1 Answers
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755
views
algebra problems
Find the horizontal asymptotes
answered
Jul 13, 2016
in
Algebra 1 Answers
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494
views
asymptotes
You have a 500 foot roll of fencing and a large field. You want to construct a rectangular playgorund area. What are the dimensions of the largest such yard? What is the largest area?
answered
Jul 13, 2016
in
Word Problem Answers
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3.1k
views
world problems
solve this as soon as possible please
please help me to answer this step by step
Calculate the original price
answered
Jul 13, 2016
in
Word Problem Answers
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970
views
word problems
the numerator of a positive fraction is 2 less than the denominator. by adding 1 1/5 to the fraction , the fraction is reversed. find the original fraction.
answered
Jul 13, 2016
in
Algebra 2 Answers
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1.5k
views
algebra problems
Factor the following by taking out the greatest common factor. −8x4y3+2x3y4+18x4y4-8x4y3+2x3y4+18x4y4
answered
Jul 13, 2016
in
Algebra 1 Answers
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1.3k
views
greatest common factor
A person earning $4,200 a month gets a raise and makes $4620 the following months. What is the percent increase in salary?
answered
Jul 13, 2016
in
Other Math Topics
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1.2k
views
calculating percentages
math problem
how long will i be with my love?
answered
Jul 12, 2016
in
Algebra 1 Answers
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403
views
what is love
can you use the graph interchangebly?
answered
Jul 12, 2016
in
Statistics Answers
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320
views
word problems
what graph is easier to construct?
answered
Jul 12, 2016
in
Statistics Answers
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347
views
word problems
Lucy has $2750 more than Donna. Kathy has $280less than twice asmuch money as Donna. Together, they have $9870. How much money does Donna have?
answered
Jul 12, 2016
in
Algebra 2 Answers
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563
views
algebra problems
State whether the given sequence is artihmetic, geometric, or neither. If it is arithmetic, give the common difference. If it is geometric, give the common ratio.
answered
Jul 12, 2016
in
Algebra 1 Answers
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4.3k
views
#sequence #geometric #grade10
State wether the given sequence is arithmetic, geometric, or neither. If it is arithmetic, give the common difference. If it is geometric, give the common ratio.
answered
Jul 12, 2016
in
Algebra 1 Answers
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1.7k
views
#sequence #geometric #grade10
The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference?
answered
Jul 12, 2016
in
Algebra 1 Answers
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5.5k
views
arithmetic sequences
sequences and series
how many different groups of nine baseball players can be chosen from 3 who play only as pitchers, 2 who only play as catchers, and 4 play in any position other than pitcher or catcher?
answered
Jul 12, 2016
in
Other Math Topics
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1.1k
views
combination
How to calculate ratio of availment of cenvat credit in case of builders (residential projects)
answered
Jul 12, 2016
in
Word Problem Answers
|
375
views
service tax problem
what is the arithmetic mean between 25 and 60?
answered
Jul 12, 2016
in
Other Math Topics
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645
views
arithmetic mean
find the 25th term of the arithmetic sequence 3, 7, 11, 15, 19
answered
Jul 12, 2016
in
Word Problem Answers
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5.3k
views
arithmetic sequences
question about total surface area
answered
Jul 12, 2016
in
Other Math Topics
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939
views
vivian.trg
are the terms mcg/mL ang mg/L equivalent or not equivalent?
answered
Jul 11, 2016
in
Word Problem Answers
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4.6k
views
word problems
given that tanx=1,calc sinx+tanx/cosx
answered
Jul 11, 2016
in
Word Problem Answers
|
355
views
1/2 gallon divided by 2.5 =
answered
Jul 11, 2016
in
Fraction Problems
|
419
views
(7x-6w)+(4y+3w)+(5x+7y)
answered
Jul 11, 2016
in
Algebra 1 Answers
|
692
views
simplifying expressions
solve the equation using cramer's rule
answered
Jul 11, 2016
in
Algebra 1 Answers
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1.1k
views
cramer's rule
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