rob1525
 Name:
 Robert Tudorache
 School:
 Portland State University
 About:
 Working towards a electrical engineering degree
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 2
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 92
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0 
Questions Answered

rob1525:
Group Title
The height of a box is one more than its length l, and the length is one more that its width w. Find a polynomial for the volume V in terms …
 updated 2 months ago
 7 replies
 1 Medal
Mathematics

Alexandra675:
Group Title
Easy Algebra Question tht im too dumb to answer
 updated 2 months ago
 21 replies
 3 Medals
Mathematics

TRowstudy:
Group Title
Does anyone know how to solve backwards? Write a trigonometric equation with solutions 5pi/6 and 7pi/6. Check by solving your equation.
 updated 10 months ago
 10 replies
 No Medals Yet
Mathematics

Felicia123:
Group Title
Question 15 (Multiple Choice Worth 5 points)
[9.05] Solve 3x2 + 5x + 7 = 0. Round solutions to the nearest hundredth.
…
 updated 11 months ago
 21 replies
 No Medals Yet
Mathematics

dionna123gannon:
Group Title
1.) 6x=7 when x=6
2.)2(x1)6^2 +1 when x=6
3.)6a  14 when a=3
…
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

Felicia123:
Group Title
Question 13 (Multiple Choice Worth 5 points)
[9.05] What are the exact solutions of x2 − x − 4 = 0?
…
 updated 11 months ago
 72 replies
 1 Medal
Mathematics

Algebra2013:
Group Title
simplify:
see below>>>>>>>
 updated one year ago
 9 replies
 1 Medal
Mathematics

TheDoctorRules:
Group Title
What is the limit for x>infinity
(r+sinr) / (2r+75sinr)
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

heathernelly:
Group Title
..............
 updated one year ago
 12 replies
 1 Medal
Mathematics

tombraider5000:
Group Title
cosecant of y plus cotangent of y times cosecant of y minus cotangent of y divided by cosecant of y.
sin y
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

xoxo_devvie:
Group Title
What percentage of television watchers for "The Code" is younger than 28yearsold?
a. 25%
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

goldyyy:
Group Title
Geometry help! I need help with questions a and b (pictures below)
 updated one year ago
 9 replies
 1 Medal
Mathematics

rasperrystumper:
Group Title
write a word phrase for the algebraic expression 3x  7
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

mayafrancis:
Group Title
help pleaseee @satellite73 @Isaiah.Feynman
 updated one year ago
 5 replies
 2 Medals
Mathematics

ashleysmith:
Group Title
A 1.38 liter sample of a liquid with a
density of 1.725 g/mL will have what mass?
 updated one year ago
 12 replies
 1 Medal
Mathematics

melchar:
Group Title
HELPP WILL GIVE A MEDALL!!
From a boat on the lake, the angle of elevation to the top of a cliff is 11°50'. If the base of the cliff is 1568…
 updated one year ago
 12 replies
 1 Medal
Mathematics

babyblue123:
Group Title
Write a simplified polynomial expression to represent the area of the rectangle below. Length: 2x4 and Width: x+5.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

sharon248:
Group Title
please help
Find the equation of a line with a slope of 3/4 that goes through the point (8, 2).
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

kimmii23:
Group Title
Find the domain, period, range, and amplitude of the cosine function. y = 6 cos 4x
 updated one year ago
 20 replies
 No Medals Yet
Mathematics

samanfaaasevier:
Group Title
a vertical line passes through the point (5,6) what is the equation?
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Data_LG2:
Group Title
@Psymon only:)
Solve the following system of equations:
1. x + 2y + z =1
…
 updated one year ago
 33 replies
 2 Medals
Mathematics

harliedanielfrye:
Group Title
Using graphing technology, approximate the solutions of 0.91x2 − 0.54x − 4.9 = 0.
x ≈ −2.32 and x ≈ 2.56
…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

aneeshrastogi17:
Group Title
i want to make a vehicle prototype which when comes near an obstacle....changes direction automatically while moving.
Any suggestions on ho…
 updated 11 months ago
 3 replies
 No Medals Yet
Mathematics

hartkry:
Group Title
how would you solve this problem? 2y^2/2bccu^3/6ab^3
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

davisgurl101:
Group Title
Choose the equation of the line passing through the point (3, 1) and parallel to y = x  4.
a. y = x + 2
…
 updated one year ago
 17 replies
 No Medals Yet
Mathematics

chocodropa7:
Group Title
For the parent function y equals the square root of x what effect does a value of b = 2 have on the graph?
Answers:
…
 updated one year ago
 14 replies
 2 Medals
Mathematics

andreascott:
Group Title
Graph y = –4x^2 – 2 and its inverse.
( I will attach pictures . ) *
 updated one year ago
 6 replies
 1 Medal
Mathematics

Tainted:
Group Title
Show work please :)
1. (4√x+9)=20
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

terona:
Group Title
Exponential Functions:
Can someone show me how to solve this, with or without a calculator: 100 (1e^(0.08 t))70
 updated one year ago
 19 replies
 No Medals Yet
Mathematics

craftshark98:
Group Title
So I've kinda stumbled on literal equations. I was completely fine until the numbers wentn away and now nothing makes sense. My problem is c…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics
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