Saturday

February 28, 2015

February 28, 2015

Total # Posts: 19,312

**psychology**

Hypothesis: sounds like Edwina is suffering from a generalized anxiety disorder.
*November 1, 2014*

**Statistics**

a) Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n = 15/√64 If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled ...
*November 1, 2014*

**Statistics (?)**

Lacking data. Need to have some measure of variability to solve.
*November 1, 2014*

**algebra**

x^2 - 6x + 9 + 10x - 300 + 24 Combine like terms. x^2 + 4x - 267 I can combine, but I can't find the factors. I hope this what you really wanted.
*November 1, 2014*

**Intermediate Algebra**

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.
*November 1, 2014*

**College Intermediate Algebra**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Unless you forgot the power on the first x, 2x + 4x = 6x. Otherwise, you are on the right track.
*November 1, 2014*

**math**

What is the context? I have no idea of what the "**" means.
*November 1, 2014*

**Math**

Although I am not familiar with "Webassigns default tolerance," 7.52609 rounds to 7.53.
*November 1, 2014*

**MATH**

Yep.
*November 1, 2014*

**Genetics**

Since both parents have to be homozygous, all of F1 will be heterozygous (Bb). Do a Punnett square for F2. https://www.google.com/search?client=safari&rls=en&q=Punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*October 31, 2014*

**Genetics**

I agree with you. Possibly that is a typo on the web page.
*October 31, 2014*

**Genetics**

https://www.google.com/search?client=safari&rls=en&q=Punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*October 31, 2014*

**statistics**

Z = (score-mean)/SD SD = √variance Insert values and compute.
*October 31, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "chemical bonding" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=chemical+bonding&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*October 31, 2014*

**statistics**

Is this your book's rule? Do you know the 68-95-99.7 rule? Approximately 68% of scores in normal distribution are within one standard deviation (34% on each side of the mean), 95% within 2 SD, and 99.7% within 3 SD.
*October 31, 2014*

**statistics**

Don't know what book says, but this is another way. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores. Multiply by 100.
*October 31, 2014*

**Math, Please Help! I don't understand!**

37. Add 1 to both sides, then multiply that by a. 39. Multiply both sides by 3, then divide by π and r^2.
*October 31, 2014*

**Algebra 1**

You got it!
*October 31, 2014*

**statistics**

Z = (score-mean)/SD SD = √variance
*October 30, 2014*

**Statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z score. Multiply by 100.
*October 30, 2014*

**English**

Although I don't believe the statement, "We are all equally wise."
*October 30, 2014*

**math**

(1-.55)x = 252 Solve for x.
*October 30, 2014*

**Math**

Look for two factors for each of the two end terms. 16 = 4,4 or 8,2 or 16,1 2 = only 2,1 By combining them, what will add to -14? Remember that one has to be negative. That is the beginning of your work. Carry on.
*October 30, 2014*

**algebra (?)**

What is your question?
*October 30, 2014*

**Math--1 question?**

To find the median, arrange score in order of value. Which has 15 as the middle-most value?
*October 30, 2014*

**Algebra**

x^2 + 6x + 5 = 0 (x+1)(x+5) = 0 x = -1 or -5
*October 30, 2014*

**Math question**

http://drdavespsychologypage.homestead.com/Two___Two_____four.pdf Nominal scales only use mode, Ordinal scales can use mode or median.
*October 30, 2014*

**Math help!**

Oops, I agree with your second answer.
*October 30, 2014*

**Math help!**

Pythagorean theorem. a^2 + b^2 = h^2 a^2 + 25 = 169 a^2 = 169 - 25 = 144 I would disagree.
*October 30, 2014*

**math**

A = 2x (A-5) = 3(x-5) Substitute 2x for A 2x-5 = 3x -15 -x = -10 x = 10
*October 29, 2014*

**statistics**

Z = (score-mean)/SD Insert values and compute Z.
*October 29, 2014*

**Statistics**

We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
*October 29, 2014*

**Business Ethics**

What are your choices?
*October 29, 2014*

**Math**

M = 2J M^2 + J^2 = 125 = (2J)^2 + j^2 = 4J^2 + J^2 = 5J^2 Solve for J.
*October 29, 2014*

**Geometry Needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*October 29, 2014*

**Math**

L = 8(2^2)/π^2 = 32/π^2 How far out do you want π in decimal places?
*October 29, 2014*

**math algeba**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (8.76*10^9)(6.52*10^-3)(13.27 * 10^-5) = When multiplying numbers, the exponents are added...
*October 29, 2014*

**Algebra**

No table shown. You cannot copy and paste here. 6 * 4 = 24 carnations 4 * 4 = 16 roses.
*October 28, 2014*

**Math**

Data is unclear. 4/5 What?
*October 28, 2014*

**English**

"As he…" seems awkward. 5 is better than 4.
*October 28, 2014*

**Algebra**

If the strawberries are multiplied by 3, the same needs to be done for the other fruits.
*October 28, 2014*

**Math (?)**

With your data, all I can get is last year + $800. What zero are you talking about?
*October 28, 2014*

**Math**

S = 1/3D + 3
*October 28, 2014*

**statistics**

a,b. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z score. Multiply by 100. c. Find table in the back of your statistics text labeled something ...
*October 28, 2014*

**Math help**

Agree.
*October 28, 2014*

**Statistics**

95% = mean ± 1.96 SEm SEm = SD/√n
*October 28, 2014*

**statistics**

What is the claim? The way you have your data arranged make s them very difficult to read.
*October 28, 2014*

**English**

It could mean both, but I have the image of "grown-up." http://drdavespsychologypage.homestead.com/Decision_Trap.pdf
*October 28, 2014*

**English**

"A few days" is more specific and seemingly much shorter than "years." How about "recently," "not long ago," "a while ago?"
*October 28, 2014*

**english .... thinking question... please help!!**

Second sentence is unclear. What is the referent for "it"? Values? Beliefs? Behavior? Once values are developed, they are typically strongly held, so they are unlikely to change "day-to-day." What values/beliefs do you have? How have they effected your ...
*October 28, 2014*

**English ... thinking question!!**

http://drdavespsychologypage.homestead.com/Decision_Trap.pdf
*October 28, 2014*

**Algebra**

Substituting any one of the known values for temperature, does that give you the known value for evaporation?
*October 27, 2014*

**math**

Both round up to 1 each. Multiply numerator and denominator of 3/5 by 4 and 3/4 by 5, then add. Compare both sums.
*October 27, 2014*

**Statistics**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/...
*October 27, 2014*

**Algebra, help please!!!**

5% = .05 = 5/100 = 1/20 = etc. Just keep the same ratio.
*October 27, 2014*

**Algebra, help please!!!**

A. 5:100 B. 2.5:50 C. 1:20 D. 8:160 E. .5:10
*October 27, 2014*

**college algebra**

C = .80 + .33x
*October 27, 2014*

**Psychologic**

Last one.
*October 26, 2014*

**Psychologic**

I would vote for no systematic relationship.
*October 26, 2014*

**math**

With 6 people preparing bags, they would be able to prepare 6 bags every 2 minutes. 900/6 * 2 = total minutes Divide that answer by 60 to get hours.
*October 26, 2014*

**Algebra 1**

3, 6, 12, 24, 48
*October 26, 2014*

**english**

Use a lot of "I" and "me." Express the emotions felt.
*October 26, 2014*

**Theories and issues in working with school-age chi**

You are welcome.
*October 26, 2014*

**Theories and issues in working with school-age chi**

Agree.
*October 26, 2014*

**Theories and issues in working with school-age chi**

Since it effects relationships with others, I would say D. Gross muscular movement would be related to B. Since a checkbook can be related to other than the home, I rejected C. To me, A would involve internal processes like emotion and thought. With multiple choice questions, ...
*October 26, 2014*

**Theories and issues in working with school-age chi**

Disagree.
*October 26, 2014*

**math**

5 - 3 = ?
*October 26, 2014*

**Maths**

Data needed.
*October 26, 2014*

**algebra**

4x - 7 > 150 To solve for x, add 7 to both sides and then divide by 4.
*October 26, 2014*

**algebra**

24 + y?
*October 26, 2014*

**Math**

This help is free. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance I'...
*October 25, 2014*

**Science HELP!**

Agree.
*October 25, 2014*

**science**

Escape is to get out of the range of earth's gravity, while orbital is to maintain a velocity to keep from falling back to earth.
*October 25, 2014*

**geometry?**

Multiplybot hsides by 5, then subtract 10. a + 10 = -15
*October 25, 2014*

**Psychology**

You are welcome.
*October 25, 2014*

**Psychology**

Agree with all.
*October 25, 2014*

**Math**

Are you missing a zero in the second rate? Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score. Is it less than .05?
*October 25, 2014*

**Math**

657/146 = x/100 Solve for x and convert to minutes and seconds.
*October 25, 2014*

**statistics**

√.45
*October 25, 2014*

**statistics**

Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to each Z score.
*October 25, 2014*

**statistics**

√.623
*October 25, 2014*

**Math**

Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score. Is it less than .05?
*October 25, 2014*

**statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z score. Multiply by 100.
*October 24, 2014*

**Help Math**

No model. Cannot copy and paste here.
*October 24, 2014*

**ALGEBRA**

99.5/5 = y/3 Solve for y.
*October 24, 2014*

**science**

Since we don't know your life events, we don't know how those apply to you.
*October 24, 2014*

**statistics**

Agree.
*October 24, 2014*

**biology**

sarcomere
*October 23, 2014*

**statistics**

Z = (score-mean)/SD = (73-46)/9 = ? Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between mean and that Z score.
*October 23, 2014*

**Statistics**

a) Z = (score-mean)/SD Z = (20-25)/10 (do not use SEm = SD/√n) Z = -.5 p = .6915 p*n = ? b) Again, don't use SEm, which is used for distribution of means rather than raw scores. In the Z table, .0559 in the smaller portion gives a Z score of 1.59. c) For this one, ...
*October 23, 2014*

**science!!**

Since the son gets the X from mom, she is heterozygous for that gene, a carrier. The daughter has to get XX, both with hemophilia, one from each parent. That must mean that dad has hemophilia too.
*October 23, 2014*

**Science**

With mitosis, the number of chromsomes double before the cell splits, leavind the daughter cells with the same species number of chromosomes (diploid). This duplication does not occur with meiosis, so the daughter cells have only half the original chromosomes (haploid). I hope...
*October 23, 2014*

**Science**

Double the number of cells with 12 chromosomes. Double the number of cells with 6 chromosomes.
*October 23, 2014*

**Math Help!**

a^2 + b^2 = c^2 36 + 81 ≠ 144
*October 23, 2014*

**Int.science**

Of the two, the line is best.
*October 23, 2014*

**Math**

2x^3*2x^-1 = 4x^2 y^-3*y^-3 = y^-6
*October 23, 2014*

**Science Project: Teeth**

Before the experiment, you would want to research previous data about the variables involved to indicate why you set up the experiment the way you did. The discussion is the last part of the paper and occurs after the experiment is completed.
*October 23, 2014*

**statistics**

Here is how to find the answer: Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.10) and its Z score and insert the values into the above equation to find ...
*October 23, 2014*

**celebrating Diversity**

Right
*October 22, 2014*

**science**

If their diet is exclusively on cactus flowers, like the panda and bamboo, I would go with D. If the cacti were the only source on the island, and the diet is not exclusive, I would agree with you.
*October 22, 2014*

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