helder_edwin
 Name:
 Helder Edwin LÓPEZ ROMERO
 School:
 UMSA/UCB/UPB/UT at Austin/CAST Shenzhou Institute
 About:
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0 
Questions Answered

bubba_blue:
Group Title
What are the main differences between the flat, regressive, and progressive tax plans?
 updated 9 days ago
 2 replies
 No Medals Yet
Mathematics

agbyoung:
Group Title
I'm having an issue solving my question. Can someone help?
[1520/2(2)]^3
 updated 11 days ago
 6 replies
 No Medals Yet
Mathematics

spencerbeymer:
Group Title
A scientist measures a speck of sand as having a diameter of 0.00000034. Write this number in scientific notation.
 updated 14 days ago
 5 replies
 1 Medal
Mathematics

rissyx3:
Group Title
\[\sqrt{x4}\sqrt[4]{x4}=6\] why is the solution 85
 updated 14 days ago
 9 replies
 1 Medal
Mathematics

spencerbeymer:
Group Title
. Is (x+y)2 equal to (x2+y2)? Explain why or why not using an example to support your answer.
 updated 14 days ago
 1 reply
 3 Medals
Mathematics

Loser66:
Group Title
Help me, please. I confused
f:R\0 > R ,
f(x) = 1/x^2
…
 updated one month ago
 15 replies
 2 Medals
Mathematics

yomamabf:
Group Title
PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEE
Elimination method.
…
 updated one month ago
 8 replies
 No Medals Yet
Mathematics

breamarie:
Group Title
1+tanx/1+cotx = tanx
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

styx_skunks:
Group Title
Which of the following statements is true in a capitalist economy?
Select one:
a. Governments make major economic decisions and tell indiv…
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

Kerriy:
Group Title
What is the inverse of g(x) = x^25x14 Help please :)
 updated one month ago
 24 replies
 2 Medals
Mathematics

emilyy123:
Group Title
true or false
For every line segment there is exactly one midpoint.
the answer is true but i have to draw a sketch and i need help with t…
 updated one month ago
 11 replies
 No Medals Yet
Mathematics

AmyVanessa58:
Group Title
The solution set of x = 9 is {9}.
…
 updated one month ago
 3 replies
 No Medals Yet
Mathematics

Codey:
Group Title
Find the missing coordinate? (12,10),(2,r) m=4
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

Jessica248:
Group Title
Log2(2x1)=3
 updated one month ago
 1 reply
 No Medals Yet
Mathematics

allieatthedisco:
Group Title
Looking for help on how to find the slopeintercept form that is perpendicular to the given line.
4x2y=3
…
 updated 2 months ago
 3 replies
 No Medals Yet
Mathematics

chariety101:
Group Title
The graph of which equation has a vertex of (2, 0)?
 updated 2 months ago
 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 months 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 2 months ago
 70 replies
 1 Medal
Mathematics

andy11:
Group Title
How do you solve the rational equation 1/4 + 1/8 = 1/x?
 updated 2 months ago
 9 replies
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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 2 months 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 2 months ago
 2 replies
 No Medals Yet
Mathematics

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

itsmeeQUENNIE:
Group Title
Please help me. :(
 updated 2 months ago
 5 replies
 No Medals Yet
Mathematics

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

mia99:
Group Title
.
 updated 2 months 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 2 months ago
 3 replies
 No Medals Yet
Mathematics

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