February 27, 2017

Posts by stumped

Total # Posts: 26

algebra 1
Apiece of yarn 29 inches is cut into two parts, If one of the resulting pieces is m inches long, represent the length of the other piece.
October 12, 2016

For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
January 9, 2015

math statistics
In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family?" A total of 200 men and 200 women were asked this question. "Yes" was the ...
June 14, 2014

Intermediate Algebra
Given f(x)=5+6x-x^2 find and simplify. A)f(t-2)=____? B)f(z+h)-f(z)=____? C)f(b)+3=_____?
March 2, 2014

Priciples of Marketing
Jose suarez has been promoted to sales manager at a new firm and is trying to come up with a salesforce compensation method. He would like to have selling expenses relate directly to sales resources, a highly aggressive sales force, and minimization of nonselling tasks. What ...
May 11, 2013

college alg
use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3 please show work
September 2, 2012

use the transformations to identify the graph of the function. then determine its domain, range, and horizontal asymptote. f(x)=4+3^X/3
September 2, 2012

Amy has a cube numbered 1 through 6. If she rolls the cube 30 times, how many times can she expect to roll a multiple of 3?
March 25, 2012

Quantatative Analysis
Thanks, but there are 3 Molarity amounts given, I am not sure how to do this step by step. I know the formula, but don't know how to fit all of them in....?
October 29, 2011

Quantatative Analysis
"what volume of .50 m h2so4 must be added to 65 ml of .20 m h2so4 to give a final solution of .35 M? assume volumes are additive"
October 29, 2011

Analytical Chemistry
Calculate the number of grams needed to be dissolved and diluted to 100 ml to prepare 0.200M solution for the following substance BaCrO4. huh?
October 16, 2011

General Biology
Genetic Inheritance Exercise 1: F1 Hybrid Cross Results: Punnett Square for F1 Cross ¡V Expected Genetic Outcomes F1 Parent, genes: _________ (student to fill in the blanks) ¡ð alleles > ¡ñ alleles v F1 Parent, genes:__________ (student fill in ...
April 24, 2011

science 225
I guess the teacher is asking in general
July 18, 2010

science 225
How much, how long, and how often are humans exposed to Malathion?
July 18, 2010

adult education
what is environmental ethics and human values?
July 9, 2010

ethics 125
I am supposed to write an autobiographical research paper that analyes the influences of race as it relates to my community. I am having problems with this since I have only lived here a year and I don't socialize with anyone here. Any tips?
July 2, 2010

how do I solve -.2x^2+12x+11
January 10, 2010

Chemistry again
Two voltaic cells are to be joined so that one will run the other as an electrolytic cell. In the first cell, one half-cell has Au foil in 1.00M Au(NO3)3, and the other half-cell has a Cr bar in 1.00M Cr(NO3)3. In the second cell, one half-cell has a Co bar in 1.00M Co(NO3)2, ...
May 4, 2008

Any chemistry lovers?
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.060 M. A)What is the intital Ecell? B)What is Ecell when [Cd2+} reaches .050M. C) What is [Mn2+] when Ecell reaches 0.055V? D) What are the ...
May 4, 2008

a railing for a deck requires pieces of cedar 4 ft 8 in., 11 ft 7 in., and 9 ft 3 in long. what is the total length of material that is needed?
December 5, 2007

Science and medicine. A bicyclist rode into the country for 5 h. In returning, her speed was 5 mi/h faster and the trip took 4 h. What was her speed each way? x for 5h x+ 5 miles for 4 hours 5x = 4 (x+ 5) 5x = 4x + 20 20 miles there 20 miles back -x = -20 You should use better...
April 25, 2007

3x-5(3x-7)= 2(x+9) + 45 3x-15x+35= 2x+18 +45 -12x + 35 = 2x+63 -12x -28 = 2x -12 -28 =x -40 =x 3x-5(3x-7)= 2(x+9) + 45 3x-15x+35= 2x+18 +45 -12x + 35 = 2x+63 -10x+35=63 -10x=28 x=-2.8 you are both wrong! 3x - 15x + 35 = 2x + 18 + 45 -12x - 2x = 63 - 35 -14x = 28 x = -2 test my...
April 25, 2007

The cost for a long-distance telephone call is $0.36 for the first minute and $0.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3. Well, Cost= .36 + (minutes-1)(.21) Does that help?
April 24, 2007

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. write an inequality representing the score that sam must get on the last test to get a C grade
April 24, 2007

how do i translate this to a inequalities 2 times a number increased by 28 is less then or equal to 6 times that number 2x + 28 <= 6x "<=" is supposed to be the "less than or equal" sign, which should really be a < with a line under it.
April 24, 2007

accounting for investments
Can someone check my answers. -For each of the following eight situations, select the best answer concerning accounting for investments: (A.) Increase the investment account. (B.) Decrease the investment account. (C.) Increase dividend revenue. (D.) No adjustment necessary. 1...
March 4, 2007

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