helder_edwin
 Name:
 Helder Edwin LÓPEZ ROMERO
 School:
 UMSA/UCB/UPB/UT at Austin/CAST Shenzhou Institute
 About:
188 helpers are online right now
75% of questions are answered within 5 minutes.
Most Active Subjects

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 6
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 12
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 10
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 5
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 52
 Medals Received
 48

 Questions Asked
 0
 Questions Answered
 15
 Medals Received
 11

 Questions Asked
 0
 Questions Answered
 1270
 Medals Received
 653

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 9
 Medals Received
 5

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 6
 Medals Received
 3

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 12
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 1
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 10
 Medals Received
 4

 Questions Asked
 0
 Questions Answered
 5
 Medals Received
 1

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 52
 Medals Received
 48

 Questions Asked
 0
 Questions Answered
 15
 Medals Received
 11

 Questions Asked
 0
 Questions Answered
 1270
 Medals Received
 653

 Questions Asked
 0
 Questions Answered
 0
 Medals Received
 0

 Questions Asked
 0
 Questions Answered
 9
 Medals Received
 5

 Questions Asked
 0
 Questions Answered
 2
 Medals Received
 1

0 
Questions Answered

allieatthedisco:
Group Title
Looking for help on how to find the slopeintercept form that is perpendicular to the given line.
4x2y=3
…
 updated yesterday
 3 replies
 No Medals Yet
Mathematics

chariety101:
Group Title
The graph of which equation has a vertex of (2, 0)?
 updated yesterday
 18 replies
 4 Medals
Mathematics

Math48:
Group Title
The range of the following relation: R {(3, 5), (1, 2), (1, 4), (1, 2)} is
{1, 1, 3}
…
 updated 2 days ago
 2 replies
 No Medals Yet
Mathematics

ineedhelp77:
Group Title
write an equation of the line that passes through (2,7) and is parallel to the line x=5. Please show all steps!
 updated 6 days ago
 70 replies
 1 Medal
Mathematics

andy11:
Group Title
How do you solve the rational equation 1/4 + 1/8 = 1/x?
 updated 6 days ago
 9 replies
 No Medals Yet
Mathematics

snowquinn:
Group Title
Prove 9n  1 is divisible by 8.
The first two steps will be provided. For step 3, match the right and left sides of the equation to prove…
 updated 10 days ago
 4 replies
 No Medals Yet
Mathematics

nafeesah:
Group Title
4x^26x+9=A(x1)(2x+1)+B(x1)+C for all values of x. find A,B and C
…
 updated 10 days ago
 2 replies
 No Medals Yet
Mathematics

LearnALot:
Group Title
Name the subset of the real numbers to which each number belongs.
17
…
 updated 12 days ago
 2 replies
 1 Medal
Mathematics

itsmeeQUENNIE:
Group Title
Please help me. :(
 updated 12 days ago
 5 replies
 No Medals Yet
Mathematics

biancauribe13:
Group Title
use the quadratic formula to solve, 2x^2+9x+3=0
 updated 13 days ago
 2 replies
 No Medals Yet
Mathematics

mia99:
Group Title
.
 updated 13 days ago
 15 replies
 2 Medals
Mathematics

angeleyes1403:
Group Title
find the first, fourth, and eighth terms of the sequence A(n) = 5*3^n1
 updated 13 days ago
 3 replies
 No Medals Yet
Mathematics

2dreams_:
Group Title
Economics question. Help please.
 updated 13 days ago
 3 replies
 No Medals Yet
Mathematics

nikin:
Group Title
Which of these is a sign of inflation?
A negative number for the Consumer Price Index shows prices are falling.
…
 updated 12 days ago
 2 replies
 No Medals Yet
Mathematics

Purplerainbowcherry:
Group Title
If x=y and x≠y, which of the following must be true?
Select all that apply.
x+y=0
…
 updated 22 days ago
 10 replies
 No Medals Yet
Mathematics

JKim3:
Group Title
(a) With A = [{1, i, 0}, {i, 0, 1}], use elimination to solve Ax = 0
(b) Show that the nullspace you just computed is orthogonal to C(A^H…
 updated 12 days ago
 2 replies
 No Medals Yet
Mathematics

sara45:
Group Title
i whould like some one to show me how to do this plzzzz
What are the excluded values?…
 updated 27 days ago
 12 replies
 2 Medals
Mathematics

sofiamarie16:
Group Title
Using the given zero, find all other zeros of f(x).
2i is a zero of f(x) = x4  32x2  144
 updated 27 days ago
 4 replies
 No Medals Yet
Mathematics

Cenabk5634:
Group Title
Arianna is a congresswoman concerned about financial crises and the stock market. She proposes a law that eliminates shortterm stock tradin…
 updated 27 days ago
 1 reply
 No Medals Yet
Mathematics

abram.macedonio:
Group Title
a line having a slope of 3/4 passes through the point ( 8,4).write the equation of this line in slope intercept form.
 updated one month ago
 12 replies
 No Medals Yet
Mathematics

triciav:
Group Title
Select the solutions to the following inequality: n>3
no solution
all real numbers
…
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

kurman:
Group Title
Why is the derivitive the limit of f(x) as the change in x approaches 0?
 updated yesterday
 3 replies
 No Medals Yet
Mathematics

jcr268:
Group Title
What country is a command economy may have huge accumulations of goods that no one wants while other products are short supply?why does this…
 updated one month ago
 2 replies
 1 Medal
Mathematics

ninjasandtigers:
Group Title
Find the cube roots of 125(cos 288° + i sin 288°).
cubed root(125*(cos(288)+ i sin (288))
…
 updated one month ago
 19 replies
 3 Medals
Mathematics

jonnyrco:
Group Title
What is the 41st term of the arithmetic sequence where a1 = 18 and a15 = 38 ?
…
 updated one month ago
 16 replies
 No Medals Yet
Mathematics

mburks:
Group Title
For which of the following sets of data is a linear model reasonable?
A) (0,11), (2,8), (3,7), (7,2), (8,0)
B) (15,8), (8,7), (3, 0), …
 updated one month ago
 1 reply
 1 Medal
Mathematics

precal:
Group Title
The graph to the attached represents the rate at which people arrive at an amusement park ride throughout he day, where t is measured in hou…
 updated one month ago
 17 replies
 1 Medal
Mathematics

learningperson:
Group Title
Cuando yo era joven, siempre _______ al parque con mis amigos.
voy
…
 updated one month ago
 6 replies
 2 Medals
Mathematics

theojohnson:
Group Title
A country withholds funding from any college or university that does not accept women at the same rate as men. This action reflects the broa…
 updated one month ago
 2 replies
 1 Medal
Mathematics

eric_d:
Group Title
Given that f(x)=x^2+1/2x^2+1 and x is bigger or equal to 2, find..
 updated one month ago
 14 replies
 1 Medal
Mathematics
 > Older questions