Friday

February 27, 2015

February 27, 2015

Number of results: 34,544

**Algebra**

Hello, can someone help me solve and check the following 1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.
*January 8, 2010 by Tamir*

**Algebra**

Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2 = 7 3x + 2 / 2 = 7 ...
*April 13, 2010 by Tamir*

**Statistic/Psychology**

If the correlation between one's interest in statistics and being a "fun date" was -0.70, it would mean that: a. The higher someone's interest was in statistics, the more likely it would be that he or she is a fun date b. The higher someone's interest was in statistics, less ...
*July 26, 2013 by Crystal*

**Math 157**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
*December 8, 2010 by Rena *

**Math**

Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
*December 8, 2010 by Rena *

**Statistics**

Can someone please give specific examples of how psychologists use statistics
*June 26, 2011 by Carla*

**statistics**

Can someone please help me understand how confidence intervals fit within the broader context of inferential statistics
*May 29, 2014 by patiance*

**Algebra2**

i was wondering if someone could check the answer i got for this math problem 7+2(5-2*9) = 243 I got -19 I think you're supposed to do the parentheses first...but within that, you're supposed to do the multiplication and THEN the subtraction, and then mult it by 2....then add ...
*July 20, 2007 by Anonymous*

**statistics**

Can someone tell me how to run data in Megastat on attribute values. I have an assignment and I need to get descriptive statistics on education levels
*October 1, 2008 by Madison*

**Statistics (Check Answer)**

Hi can someone check my answer. I'm not sure why the computer keeps marking it wrong. **Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population...
*June 16, 2014 by Jen*

**FRENCH WORK ASAP**

please please someone check my work I don't understand it fully so I am asking if someone could please check my work thank you if it's too much I'm sorry. God Bless
*January 21, 2009 by Hellokitty1993*

**Polynomials check my answer**

My brother said I did this wrong can someone check this for me please X Y-1 = sum(x)+ (y-1)=(X+y-1) diff(x)-(y-1)=(x+y+1) Product (x) (x-1) = (xy-1) = (xy-1)
*September 19, 2013 by tela*

**Math, Can someone check my answers?**

Can someone please check my answers? Tell whether the given equation has the ordered pair as a solution. 11. y = 6x;(3,16) 13. y = -4x; (-2,8) 15. y = x - 3/4; (2,1 1/4) Answers: 11. Not a solution 13. Has a solution 15. Has a solution
*October 31, 2014 by Phoebe*

** Algebra Can someone who is serious respond**

Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10
*November 20, 2007 by Alicia*

**m/c**

Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
*May 20, 2010 by Thara!*

**statistics**

True Or False Using the average score to describe a sample is an example of inferential statistics. By reading the definition in my book I feel as though this phrase is false. Can someone please advise on this matter?
*January 7, 2014 by Lyndyc*

**Accounting**

A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
*October 18, 2012 by Anton*

**Math check my answers**

I posted this before can someone please check my answers and help me thanks:) 2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area ...
*June 2, 2013 by Rihanna*

**environmental science**

Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ...
*August 27, 2009 by y912f*

**Asap can someone pplz check these answers**

Please check my answers I have 2 do other things right now
*January 26, 2009 by Remy*

**math-please check my answer**

0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
*July 30, 2010 by Michelle*

**Statistics**

I am so lost on this statistics question would someone help me figure out how to answer it? A random variable X is normally distributed with the mean and standard deviation 1.6. What is the proportion of the data values that lies within 1.6 standard deviations from the ...
*November 27, 2012 by Layney*

**statistics**

Can someone help me out with project for Data Management. I need some topics that I could use for my thesis/hypothesis (with a lot of information) I had death rates as my topic but my teacher said he does not approve of it because the statistics for it is too easy because you ...
*March 3, 2011 by Joey*

**English**

Can someone please check my answers? Which of the following settings are evident in Unit 4's stories of Twain, Jewett, and Chesnutt? Check all that apply. American West* pos-Civil War South* New England* Gold Coast
*January 17, 2014 by Cassidy*

**Pre-Calc-Please check my answer-I think I have it**

Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2...
*September 7, 2011 by Sheila*

**Pre-Calc-Please check my answer-I think I have it**

Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2...
*September 7, 2011 by Sheila*

**Statistics**

The following table shows a frequency distribution of patients with colon cancer treated at Community Hospital. Compute the proportion of patients in each category. Community Hospital Ages of Patients with Colon Cancer Annual Statistics, 20XX Age No. of Patients Proportion &#...
*November 16, 2013 by Anonymous 11/16/13*

**TO MS SUE**

Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :)
*September 24, 2014 by Bella*

**Chemistry conversions check**

I'm sooooooo not sure if I'm doing this right, but can someone check it please? Thanks :)) 5) Determine the mass in grams of 3.01 x 10^23 atoms of Cl (element) I got 17.5 grams...is this right?
*September 10, 2009 by Emily*

**Math Check**

Can someone check to see if I'm right? Thanks! Question: Determine if v and w are equal If v = Ray AB and w = Ray CD, where A (23, 11), B (10, 15), C (13, 15), and D (0, 11. (True or False) My answer: False
*February 25, 2015 by Taylor*

**statistics**

Why should we check if your data is binomial?
*November 13, 2011 by Dee*

**Genetics (plz check answer)**

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
*December 6, 2006 by Josh*

**bio (plz check answer)**

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
*December 7, 2006 by Josh*

**STATISTICS**

A statistics practitioner formulated the following hypothesis: H0 : = 200 against H1 : < 200 and learned that x = 190 n = 9 and = 50. The p-value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information given My suggested ...
*April 1, 2010 by Yumna*

**PERSON!!!!!**

I have no money at all no credit card or checks or anything! So can someone please tell me where to get a free background check or free record check?? I really need this please!!
*February 14, 2011 by NEEDS HELP!!*

**Statistics- Need someone to check **

Ok so i don't know how i got that answer i think i typed in a wrong formula or read something wrong. I got .8926 for the first one. And the second one i don't know what i am suppost to use from the first answer to get that. Can someone help me. It is known that about 20% of ...
*February 9, 2011 by Mike*

**Math Statistics**

I am stuck can someone help me 19.2 - 21.1 ---------- 3.18 \/25
*October 6, 2012 by Misty*

**Math Check**

Hi! Can someone check this for me? Thanks! Question: Determine if v and w are equal If v = Ray AB and w = Ray CD, where A (23, 11), B (10, 15), C (13, 15), and D (0, 11. (True or False) My answer: False
*February 24, 2015 by Amber*

**Math**

Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check your answer. Is 4X...
*October 22, 2006 by Jessica*

**Algebra**

Would someone please check these answers? Simplify. 3/x-5+1/1-4/x-5 For this answer I got: x-2/x-9 Divide. x^2-49y^2/6x^2+42y/(x^2-7xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ...
*July 12, 2007 by Linda*

**psychological statistics**

can someone please respond
*November 19, 2012 by carla*

**Chemistry**

Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to make 866 milliliters of ...
*February 25, 2007 by Nathan*

**Statistics **

Use the 5-step hypothesis testing framework to answer the following 2 questions: Step One: Stating the hypothesis Step Two: Choosing the appropriate test statistic Step Three: Developing a decision rule Step Four: Calculating the value of the test statistic Step Five: Stating ...
*February 19, 2015 by Shayna*

**Math**

At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
*November 6, 2009 by Anna*

**Math**

At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
*November 6, 2009 by Anna*

**Math**

At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
*November 6, 2009 by Anna*

**Algebra**

Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) = 2(4y-1) +5y(3-2y) If...
*February 4, 2010 by Geoff*

**Spanish-Please check my work**

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking
*January 29, 2012 by Jillian*

**statistics**

H0: .60 versus H1: > .60, = .05, x = 56, n = 80 can someone just explain why alpha is there? Is it used?
*April 30, 2010 by barty*

**statistics**

Can someone help me to understand the purpose of null hypothesis testing?
*February 18, 2012 by Patiance*

**Statistics**

can someone give me the formula of standard deviation?Please! Thanks!
*February 25, 2012 by pallavi*

**Math-Statistics-please doublecheck my answers**

In the fall of 2000, 54% of the almost 34,000 first-year students attending one of the California State Universities had strong enough math skills to take an entry level course. 1)Based on a sample of 20 students, can we assume our calculations will be accurate? My answer is: ...
*January 31, 2012 by Mandy*

**statistics**

Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
*May 18, 2010 by cortez*

**math**

At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is...
*January 9, 2010 by crystal*

**Math**

At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ...
*December 8, 2010 by Rena *

**Math**

At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ...
*December 8, 2010 by Rena *

**English**

I just went to buy some groceries to cook supper when I come home to see my beloved husband on the floor. I was shocked and horrified to even think what happened. Can someone check if my grammar, punctuation is alright? Also can someone help me to make my sentence even stronger .
*November 24, 2014 by Thi.*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*November 29, 2011 by shirley*

**math,correction please..**

(x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the common denominator.. x^2 -(x^2-1x -2)=8 x+2=...
*March 7, 2007 by jas20*

**math**

hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks
*October 7, 2008 by julie*

**Can someone check my answer please**

Can someone check this for me? Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of cars driven on 1st Avenue can be ...
*December 15, 2007 by Cupcake*

**Honors Chemistry**

Can someone check my first answer and help me with the second question? Thanks so much!! :D 1. N2 + 3H2 ==> 2NH3 : How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? ==> I got 37.5 grams. 2. How much of the excess reagent in Problem 1 ...
*November 5, 2009 by Emily*

**psychological statistics**

I was talking with someone about setting up an account and getting help with an assignment
*November 19, 2012 by carla*

**eco**

What is the immediate effect of each of the following events on U.S. GDP and its components? 1. someone, at the age of 94, retires reluctantly and receives a social security check. 2. someone, after steadfastly labored and saved for many years, fulfills his American dream and ...
*September 28, 2008 by Karen*

**Data analysis and statistics**

I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
*April 13, 2008 by Theresa*

**Data analysis and statistics**

I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
*April 13, 2008 by Theresa*

**Statistics**

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
*October 11, 2010 by Kathy*

**math help**

can someone check and see if i did this right x+2y=8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x
*January 11, 2008 by amy*

**math**

can someone check my answers if f(x)=4x-3 find f(-1) f(-1)=4*(-1)-3=-4-3= -7
*January 17, 2008 by amy*

**Algebra**

Can someone check my answers? 1. 3/c - 4/3c = 5/3c 2. -3t/t-4 - 2t+4/4-t = -2t-4/t-4 3. z/3z^2 + 4/7z = 19/21z 4. 5x/2x-6 + x+2/3-x = 4x-2/2x-6 or 2(2x-1)/2(x-3)
*June 3, 2011 by Michelle*

**precalcus will someone check my homework**

f(3)=-3/8 and (f-2)=-12 MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x
*March 3, 2012 by luckybee*

**calculus-can someone please help me with this ques**

Find all zeros of the following polynomial. Write the polynomial in factored form. f(x)=x^3-3x^2+16x-48 I put: x^2(x-3)+16(x=3) (x-3)(x^2+16) For zeros: x-3=0 x=0 **My teacher stated check the equation solution again. What is the value for x and hence what is the zero for the ...
*December 27, 2012 by allison--Please help!!*

**math. can someone do this for me please....**

* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ...
*January 6, 2014 by *ajay**

**Pre Cal Check**

focus: (0,p) vertex: if not given, then it is assumed (0,0) Directrix: k+p or k-p, i'm not sure I think these are the general equations for the focus, vertex, and directrix of a parabola, but i'm not sure. could someone please check this? thanks.
*February 25, 2007 by Marie*

**Math**

I need someone to check my answer, can someone please help me? Here is the problem: Business and finance. In a bottling company, a machine can fill a 2-liter (L)bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many2-L bottles can be filled by the ...
*August 3, 2009 by Anonymous*

**math/algebra**

can someone check my work? x^2 = 22 xx-22 if x^2 is 22, then x is +- sqrt 22
*August 19, 2007 by dee*

**math**

can someone please check my answer? -9<==4x-8<==-7 {x l -1/4 <== x <== 1/4} is this correct??
*November 11, 2009 by Samantha*

**algebra**

Mutilpy rational expression 3/a^2+a*2a+2/6=3/a(a+1)*2(a+1)=1a could someone check this for me.
*May 19, 2010 by Angelia*

**science**

Can someone help me with mechanics. I need to check my answers
*January 31, 2014 by Anonymous*

**Math**

Can someone check my answer down below?
*January 14, 2015 by Tayler*

**history us **

How does the current distribution of wealth in the U.S. compare to 1929? Include statistics. I really need help someone.
*February 1, 2013 by Anonymous*

**Statistics**

Can someone help me with this question. I am so very confused. Find the y-intercept of the line whose equation is y=0.7x +6.2. could the answer be 5
*January 12, 2015 by mary ann*

**statistics anova**

a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
*February 27, 2012 by caryn*

**MATH**

Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...
*September 24, 2011 by Shelly*

**math**

can please someone check my answer Q.) 30% of the adult population was offline in terms of being able or willing to access the internet. New data relating to the year 2010 (sourced from The Office for National Statistics) indicated that this group numbered 9.2 million in 2010...
*June 23, 2011 by Mctagger*

**Health of young children**

5.) A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should you do? A. Send her home. She is still contagious. B. Welcome her back and let her know what there is to do today. C. Allow her to stay, but ...
*April 5, 2009 by Cynthia*

**English**

Could someone check my answers for this exercise. Dangling Modifiers
*June 25, 2007 by Nadine*

**college algebra**

can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x
*November 16, 2007 by Alicia*

**math**

can someone check my answer Graph by first solving for y. x + 2y = 8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x
*January 11, 2008 by amy*

**math**

can someone check my work? divid t^11/ t^3 is the answer t^3r2
*January 30, 2008 by j.j*

**pre-algebra**

can someone check if this inequality is solve right 5x + 3 >= 28 -3 -3 5x >= 25 5 5 x <= 5
*March 14, 2008 by Dj*

**math**

Could someone please check these for me? 1. Find the function value if x=2 f(x)=x^3 F(2)=8
*December 4, 2008 by deedee*

**math**

can someone check this please find indicated outputs for f(x)= 4x^2 - 2x f(0)=0 f(-1)=6 f(2)=14
*January 5, 2009 by deedra*

**alegbra**

Everytime I send a problem for someone to check no one does why!!
*April 8, 2009 by keaton*

**calculus**

derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3
*November 11, 2009 by jackie*

**Alg 2 Please can Someone Check this???**

1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796
*May 26, 2010 by Anonymous*

**Pre-Calculus**

Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (-64)^2/3 = 8 32. (-8)^-4/3 = 1/16 or -1/16
*April 22, 2013 by Caroline*

**Civics**

Would someone be willing to check my quiz answers?
*October 26, 2014 by Makenzie*

**math please help someone! anyone!!!!**

Lamont earns $5.70 per hour. last Friday Lamont received a pay check for $745.25. this pay check included an extra $200 bonus. about how many hours did Lamont work during the last pay period? ms sue please help, i would really appreciate it.
*December 11, 2013 by math help*

**Algebra**

Factor the trinomial. t^3-4t^2-32t = t(t+4)(t-8) can someone help me pleaseand check my answer.
*July 2, 2008 by Cynthia*

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