Tuesday

October 21, 2014

October 21, 2014

Total # Posts: 18,505

**Health insurance (?)**

What is your question?
*May 30, 2014*

**Statistic**

To do the calculations yourself for 3 and 4: Range = highest score - lowest 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 ...
*May 30, 2014*

**Algebra**

-9 -3 + 9 - 7 = -10
*May 30, 2014*

**Algebra**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. (-5)(-8) - (6*6) = 40 - 36 = 4
*May 30, 2014*

**Algebra/I think I did this wrong**

Z = (score-mean)/SD = (180-170)/5 = 2 a. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between score and mean for Z score. Multiply by 50 ≠ 29 b. Z = (176-170)/5 = 6/5...
*May 30, 2014*

**Simplify Polynomials**

Don't know about "7ft1". Combine like terms. -2x^2 + x + 3
*May 30, 2014*

**Algebra 2**

What are your formulas?
*May 30, 2014*

**bio**

Is the PKU gene represented by P or p? If the latter, C is correct for the last statement. Cannot respond to first two questions, because parental genotypes are not given.
*May 30, 2014*

**Algebra 2**

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. See your later post.
*May 29, 2014*

**statistics**

https://www.google.com/search?client=safari&rls=en&q=confidence+intervals+inferential+statistics&ie=UTF-8&oe=UTF-8
*May 29, 2014*

**Math**

Can't draw a picture here, but 16 posts will be needed. Remember that the corner posts will each be used for two sides.
*May 29, 2014*

**math needs help**

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

**Law**

Since this is not my area of expertise, I searched Google under the key words "James Fyfe deadly force" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=James+Fyfe+deadly+force&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*May 29, 2014*

**statistics**

Assuming the sample size is the same, r^2 accounts for the amount of variability explained by r. r^2 = .04 r^2 = .16
*May 29, 2014*

**math (?)**

Data missing.
*May 29, 2014*

**math**

L = 3W - 40 L * W = 6400 (3W-40) * W = 6400 Solve for W, then L.
*May 29, 2014*

**statistics (oops)**

Sorry, mode should be less than 90.
*May 29, 2014*

**statistics**

I'm not sure what you are asking. It would help if you proofread your questions before you posted them. Positively skewed? Mode should be greater than 100.
*May 29, 2014*

**Science**

Your text must be defining B or the numbers. We do not have that data.
*May 29, 2014*

**math**

1500 * .21 = ?
*May 28, 2014*

**Psy 270**

Do you want to be a psychologist? If so, what area of psychology interests you? To give some ideas of applications ink one's personal life, this source might help: http://drdavespsychologypage.homestead.com/Line-on-Life-Articles-.html
*May 28, 2014*

**science**

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.
*May 27, 2014*

**science (?)**

No servings indicated.
*May 27, 2014*

**statistics**

With only 13 employees, it would be best to use X^2 (Chi-square) test. Ho: no diference X^2 = ∑ (O-E)^2/E, where O = observed frequency and E = expected frequency. ∑ = sum of all the cells. E = (column total * row total)/grand total df = n - 1, where n = number of ...
*May 27, 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.
*May 27, 2014*

**science (CHECK plz)**

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. See your later post.
*May 26, 2014*

**science (check!)**

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.
*May 26, 2014*

**algebra**

Multiply out. 2x +20
*May 26, 2014*

**sci207**

Since this is not my area of expertise, I searched Google under the key words "water temperature affecting weather" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=water+temperature+effecting+weather&ie=UTF-8&oe=UTF-8 In the future...
*May 26, 2014*

**math**

1. 2(2/5) + 1/2 = 4/5 + 1/2 = .8 + .5 = 1.3 = 1 3/10 2. Using the information above, you should be able to do this one yourself.
*May 25, 2014*

**Psychology**

Possibly this article might help: http://drdavespsychologypage.homestead.com/Memory__What_Memory_.pdf
*May 25, 2014*

**statistics**

It would help if you proofread your questions before you posted them. You only have one value for the young. The independent variable is age, but it would be better if you more specifically defined the age ranges. I hope this helps.
*May 25, 2014*

**Technology**

Since this is not my area of expertise, I searched Google under the key words "sepia examples" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=sepia+examples&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
*May 24, 2014*

**statistics**

You start with a null hypothesis and an alternative hypothesis. You decide what probability you will use to reject your null hypothesis, in other words what is statistically significant. That is also your type I error, the probability of rejecting your null hypothesis, when it...
*May 24, 2014*

**Simple Biology**

I am worried whether the majority is only 51% as vs. something like 95%. Besides, how could you test it?
*May 24, 2014*

**Technology**

See your later post.
*May 24, 2014*

**please help bio**

Since he only has one X chromosome, the allele must be for normal color vision.
*May 24, 2014*

**Statistics**

Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n (n = 25) If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like &...
*May 24, 2014*

**science**

motor or efferent
*May 23, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "nerve nets" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=nerve+nets&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more ...
*May 23, 2014*

**arithmetic**

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.
*May 23, 2014*

**math (?)**

Insufficient data. How large is the paper and/or the strips?
*May 23, 2014*

**Math**

7 61/1000
*May 23, 2014*

**Bar Graphs**

Your preference.
*May 23, 2014*

**Math--2question**

Area = 4 π r^2 Volume = 4/3 π r^3
*May 23, 2014*

**math**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Unclear. 37.8/103 = .36699 OR Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 37.8/(10^3) = 37.8/1000 = .0378
*May 23, 2014*

**maths**

.21/12 = .0175 per tablet 1.50/100 = .015 per tablet (.0175-.015) * 12 = ?
*May 23, 2014*

**math**

.375 * (1- 2/3) = ? Change to percentage.
*May 23, 2014*

**Algebra (?)**

What is your question?
*May 23, 2014*

**Maths**

Profit for each = sales price - cost of production and sales.
*May 23, 2014*

**Statistics (?)**

No distribution shown.
*May 23, 2014*

**Statistics**

Have cells indicating satisfied/dissatisfied for each group. Calculate column, row and grand totals. Use the Chi-square (X^2) method. X^2 = ∑ (O-E)^2/E, where O = observed frequency and E = expected frequency. ∑ = sum of all the cells. E = (column total * row total...
*May 23, 2014*

**Algebra II**

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 scores.
*May 23, 2014*

**algebra/ Can see I am right**

So far so good, but what about the 241 letter arrangements not allowed?
*May 22, 2014*

**I need to know how to work this Maths Problem**

Frist of all, you don't have an equation. Equations have equal signs (=). If you don't know how to find a square root, there might be a table in your textbook. Assuming you haves no typos: -2√62+38 = -2(7.874) + 38 = -15.748 +38 = 22.252 38 - 2√62 ≠ 2...
*May 22, 2014*

**Science--check my answers.**

1. Agree 2. Disagree 3. Agree 4. Agree 5. Agree 6. Disagree
*May 21, 2014*

**BIOLOGY please help**

Since this is not my area of expertise, I searched Google under the key words "somatic cell division" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=somatic+cell+division&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*May 21, 2014*

**Math**

Yes, that would add to give you the smallest prime p.
*May 21, 2014*

**Science**

Antibodies?
*May 21, 2014*

**Algebra**

10 * 9 * 8 * 7 = ?
*May 21, 2014*

**Math (?)**

There are several. What are your choices?
*May 21, 2014*

**math**

Since you didn't ask your question, I assume you want the total. 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 = ?
*May 21, 2014*

**statistics (?)**

Unable to predict with no more data. I don't even know what a math score of 30 signifies. Do you have choices?
*May 21, 2014*

**Maths**

So girls make up 1/3 of group, while boys make up 2/3. 1/3 *40 = 13. 3 rounded to 13 40 - 13 = 27 Do you have typos?
*May 21, 2014*

**Math**

Since this is subtraction, older person does not go "on top." Calculate number of days from May 17 thru December 31, then add 365( 2002-1987), then add days from Jan. 1 through October 28.
*May 20, 2014*

**Not Math**

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.
*May 20, 2014*

**Math**

5 - 2.25 ≥ 2.75
*May 20, 2014*

**Pre Algebra**

B, theoretical P(5) one roll = 1/6
*May 20, 2014*

**math**

a ≤ 12
*May 20, 2014*

**HELP PLEASE !!**

1. Disagree, are they arguing that they are not trapped? 2. See no indication of bursting through door; Mom doesn't sound worried. 3. If Tina is worried about drowning, what does that suggest? 4. Which would include the neighborhood?
*May 20, 2014*

**biology**

Look on most diagrams of the eye. Rods and cones Cornea and lens optic nerve
*May 20, 2014*

**statistics**

8 * .2 = 1.6 rounded to 2 are married and supervisors. 2/140 = ?
*May 20, 2014*

**maths (?)**

Cannot graph here and data is lacking.
*May 19, 2014*

**Algebra 1--Please, help me!**

(x-2)(x+2) = 780 x^2 - 4 = 780 x^2 = 784 Solve for x, then x+2 and x-2.
*May 19, 2014*

**Science**

Since West is the direction the skates are heading, I would go with 3.
*May 19, 2014*

**Science**

I would agree.
*May 19, 2014*

**Algebra 2**

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'll let you do the ...
*May 19, 2014*

**biology help**

Cone
*May 19, 2014*

**science help**

agree.
*May 19, 2014*

**math**

32, when omitted leaves the median = (29+35)/2 = 32.
*May 19, 2014*

**Science**

I am unaware of how the direction of travel solely effects friction. What other factors are being considered?
*May 19, 2014*

**Science**

The atrium receives the blood, sends it to the ventricle, which pumps it to the body.
*May 19, 2014*

**ALGEBRA**

Multiply each by 1.06 to find total cost of each camera. Arrange in order of value. Middle-most score = median The mean = sum of scores/number of scores. Mode = most frequently occurring score. Range = highest score - lowest score. I'll let you do the calculations.
*May 19, 2014*

**statistics**

95% = mean ± 1.96 SEm SEm = SD/√n I'll let you calculate and come to your own conclusions.
*May 19, 2014*

**Math help**

It would help if you proofread your questions before you posted them. The last term has an exponent sign (^) with no value. Secondly, to evaluate your answer, you need to use parentheses () to better define your terms.
*May 18, 2014*

**math**

rectangular.
*May 18, 2014*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 1/6 = ?
*May 18, 2014*

**Human Biology please help**

Hypothalamus?
*May 18, 2014*

**Math**

5 black + 10 yellow = 2/3total Are you sure you don't have a typo?
*May 18, 2014*

**Statistics**

Definitely experimental, the doctors are not observing what is being done.
*May 17, 2014*

**Statistics**

Me too.
*May 16, 2014*

**science (?)**

None following. You cannot copy and paste here.
*May 15, 2014*

**research paper**

How about the old song title, "Smoke Gets in Your Eyes"?
*May 15, 2014*

**math**

I agree.
*May 15, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "lineage bears" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=lineage+bears&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
*May 15, 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 scores.
*May 15, 2014*

**aLGEBRA**

Multiply everything by 12x. 15 + 7x = 4 - 2x Transpose. 9x = -11 x = -11/9
*May 14, 2014*

**Statistics**

Start with a correlation coefficient.
*May 14, 2014*

**math**

With this limited data, best estimate = 30/50 = ?
*May 14, 2014*

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