Sunday

January 25, 2015

January 25, 2015

Total # Posts: 25

**Algebra**

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*

**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
*September 2, 2012*

**math**

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*

**math**

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*

**math**

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*

**algebra**

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*

**algbrea**

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*

**algebra**

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*

**algebra**

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 http://www.jiskha.com/display.cgi?id=1168389528
*April 24, 2007*

**algebra**

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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