Sunday

September 21, 2014

September 21, 2014

Total # Posts: 18,238

**statistics**

If the study is of all members of the group for which conclusions will be made, it is a parameter. If of only a portion, it is a statistic.
*September 20, 2014*

**science**

Right.
*September 19, 2014*

**Science**

Agree for all.
*September 19, 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. See later post.
*September 19, 2014*

**Physics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*September 19, 2014*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "role of Helicase in transcription" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=role+of+Helicase+in+transcription&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the...
*September 19, 2014*

**Math**

first one correct. Multiply both sides by 3. 6n - 7 = 45 Add 7 to both sides. 6n = 52 Divide by 6.
*September 19, 2014*

**math**

The optimal number of intervals ranges from 5-7.
*September 19, 2014*

**stats**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .60 * .44 = ?
*September 19, 2014*

**Math**

1000 and what?
*September 19, 2014*

**statistics**

Data lacking.
*September 19, 2014*

**math**

540000 + 380000 = 920000
*September 19, 2014*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. (15+9) * 3 = 24 * 3 = 72
*September 18, 2014*

**algebra**

Online "^" is used to indicate and exponent, e.g., x^2 = x squared. x^2 + 7x - 8
*September 18, 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. https://www.google.com/search?client=safari&rls=en&q=molecule+that+transmits+...
*September 18, 2014*

**Math**

Is this what you are asking? 5 = billions 2 = hundred millions 7 = ten millions ecteteras
*September 18, 2014*

**Science**

https://www.google.com/search?client=safari&rls=en&q=Chemical+Reaction+Occurs+in+Fireworks&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*September 18, 2014*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "mismatched blood types donation effects" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mismatched+blood+types+donation+effects&ie=UTF-8&oe=UTF-8&...
*September 18, 2014*

**BIOLOGY**

SY Sy sY sy
*September 18, 2014*

**algebra**

Since this is not my area of expertise, I searched Google under the key words "recursive formulas" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=recursive+formulas&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*September 18, 2014*

**Biology**

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 later post.
*September 18, 2014*

**statistic**

Another method. 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.
*September 18, 2014*

**Math**

L = 10(2W) = 20W 122 = 2L + 2W Substitute 20W for L 122 = 2(20W) + 2W = 42W Divide both sides by 42 to find W, then calculate L.
*September 18, 2014*

**math**

This should give you a start. 100 + 100 100 + (50 * 2) 100 + 50 + 20 + 20 + 10 100 + 50 + 20 + 10 +10 +10… 20 * 10… 10 * 20.
*September 18, 2014*

**biology**

If you mean homozygous by "true breeding," Brown is dominant over white, because all of F1 generation are all brown (Bw). If two Bw's mate, use the Punnett Square for F2. http://en.wikipedia.org/wiki/Punnett_square
*September 18, 2014*

**math**

1/4 * 8 = 8/4 = 2
*September 18, 2014*

**Math**

https://www.google.com/search?client=safari&rls=en&q=surface+area+of+cylinder+formula&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*September 18, 2014*

**statistics**

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 previous post.
*September 18, 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 related to the Z score.
*September 18, 2014*

**comuter**

What questions?
*September 18, 2014*

**computer**

What questions?
*September 18, 2014*

**Algebra**

0ºF (1st) A. 0 + 3 = 3 (2nd) B. 0 - 4 = -4 (3rd) C. -3 (4th) D. 3 (5th) With this information, you should be able to answer E and F yourself.
*September 18, 2014*

**math**

30 + 7 = 37
*September 17, 2014*

**math**

It would be the opposite order.
*September 17, 2014*

**psychology**

Didn't I answer this first question before? 1. Lower because children's socioeconomic status is typically based on the parent's status. From her ignorance of the facts stated above, I would wonder if her mother could afford a TV set. 2. All factors being equal, she...
*September 17, 2014*

**elementary**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Also, what is your question?
*September 17, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "Dangerous chemical properties of nail polish remover " to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Dangerous+chemical+properties+of+nail+polish+...
*September 17, 2014*

**Statistics (Klyocea)**

First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. 468/900 * 100 = ?
*September 17, 2014*

**Statistics (Loray)**

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.
*September 17, 2014*

**Stats**

One measure of variability is the range, highest value minus lowest. Since this is only a nominal scale, this is the only one that can be used. http://drdavespsychologypage.homestead.com/Two___Two_____four.pdf
*September 17, 2014*

**stats**

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. However, I will start you out. mean = ∑x/n, where x = score values and n = number of ...
*September 17, 2014*

**STATS**

A1) 75% A2) Should be the same. B1) 50% Not same, because below Q3 includes 25% below Q1.
*September 17, 2014*

**statistics**

.00-.19, .20-.29, .30-39, .40-49, .50-.59, .60-.69 are your intervals. Fill in the respective values.
*September 17, 2014*

**Fractions**

A) 1/3 + 1/3 = 2/3 + another 1/3 = 1 B) 3/4 - 2/3 = 9/12 - 8/12 = ?
*September 17, 2014*

**Early Childhood Education**

If it is really a "study meeting," I would say D.
*September 17, 2014*

**math**

What figure?
*September 17, 2014*

**SS**

The first also involves the death rate.
*September 17, 2014*

**MATH**

If solving for X, multiply both sides by 35 to get rid of the denominators. 28X + 5 = 280 Subtract 5 from both sides, then divide by 28.
*September 16, 2014*

**Math**

What is your question?
*September 16, 2014*

**science**

I agree with A for immediately after, but that would be followed by doing the experiment, analyzing the data and forming conclusions.
*September 16, 2014*

**math**

How long would it take to close a gap of 50 miles at 10 miles/hour? 50/10 = ?
*September 16, 2014*

**Biology**

How can you collect your data before you do the experiment? State the problem / ask questions Construct a hypothesis Do background research Design and implement an experiment Collect data Analyze results and draw conclusions Determine if hypothesis is true Report results
*September 16, 2014*

**English**

Probably because he was accompanied by her.
*September 16, 2014*

**Poetry Check Please?**

Rather than a suicide, this love letter seems to relate to self-mutilation. If it is suicidal, it wouldn't help the person survive. However, self-mutilation is related to depression.
*September 16, 2014*

**Science!**

Do not agree. If humans weigh less on the moon, wouldn't that also apply to bowling balls?
*September 16, 2014*

**PHI208 week 4 media quiz**

What following?
*September 16, 2014*

**statistics**

For .90, Z value should be a number > +1. Z = (score-88)/12
*September 16, 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 (.90) and its Z score. Insert Z score into equation above.
*September 16, 2014*

**maths**

If 12 is 6 times 2, then the distance = 6 times 5.
*September 16, 2014*

**Check This Statistics Homework**

All are right.
*September 16, 2014*

**Statistics**

Agree on all.
*September 16, 2014*

**statistics**

Z = (score-mean)/SD = (score-10)/1 Insert scores to find Z scores. 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.
*September 15, 2014*

**Statistics**

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 later post.
*September 15, 2014*

**Statistics Homework 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. See later post.
*September 15, 2014*

**Math**

The final product will have a 12 by 12 base -> 144in^2. With one inch cut out from each corner, you need a (12+1+1) by (12+1+1) base to start. Since the base is square, all sides are equal.
*September 15, 2014*

**5th grade math**

5(24-3) = ? 5(36-4) = ?
*September 15, 2014*

**Business math needs Help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*September 15, 2014*

**Statistics**

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.
*September 15, 2014*

**Statistics Homework 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.
*September 15, 2014*

**math**

3/4 * 1/6 = ?
*September 15, 2014*

**Statistics**

mean = ∑x/n 41 = [(9*40)+x]/10 Multiply both sides by 10. 410 = 360 + x Subtract 360. 410 - 360 = x = ?
*September 15, 2014*

**english**

If you are going to discuss just vehicles, B. If you are going to consider other alternatives, A.
*September 15, 2014*

**algebra**

let x = longest side, then 2/3x = shorter sides. x + 2(2/3x) = 161 Solve for x, then 2/3 x.
*September 15, 2014*

**Math 221 Week3**

Either-or probabilities are found by adding the individual probabilities. Less than 3 means a 1 or 2, each having a 1/6 probability. 1/6 + 1/6 = ?
*September 15, 2014*

**Psychology**

As a child, her socioeconomic status would be determined by her parent's status, which would be lower than those in "an affluent neighborhood."
*September 15, 2014*

**statistics**

What is your question?
*September 14, 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 the Z score.
*September 14, 2014*

**Algebra**

Yes
*September 14, 2014*

**Elementry Statistics**

Z = (score-mean)/SEm SEm = SD/√n (How large was the sample?) Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability of the Z score. Is it <.01?
*September 14, 2014*

**statistics**

(70 + 50)/2 = ?
*September 14, 2014*

**Statistics**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (1/52)^12 = ?
*September 14, 2014*

**statistics**

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.
*September 14, 2014*

**8th grade homework**

Square r. 66 = 1/3(3.14) 9 h Combine terms. 66 = 3 * 3.14h = 9.42h Divide both sides by 9.42. 7 = h
*September 14, 2014*

**math**

Right.
*September 14, 2014*

**Math**

First answer right. What is value of e? 1,000,000? Even so, what happened to the 7?
*September 14, 2014*

**Statistics**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. [(365-31)/365]^31 = ?
*September 14, 2014*

**Math!**

1) 19 + 5 (16) + 3(16) = 19 + 80 + 48 = 147 (agree) 2) y^3 + 3xy^2 + 2x +13 10x -8x = 2x 3) Right
*September 14, 2014*

**Statistics**

To equal 1, both numerator and denominator need to be the same value. Cannot do Venn diagram here.
*September 14, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "photosynthesis and respiration" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=photosynthesis+and+respiration&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*September 14, 2014*

**Stat**

Z = (score-mean)/SD Insert the values to calculate Z.
*September 14, 2014*

**Stat**

In a skewed distribution, the median is the most central of the measures of central tendency.
*September 14, 2014*

**statistics; emergency please help me**

Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SEm is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "...
*September 13, 2014*

**Science**

Sorry that I didn't respond to your answers. a. What is the independent variable? New drug treatment RIGHT b. What is the dependent variable? Fewer AIDS-related illnesses NOT JUST "FEWER" c. What control treatment should be used? The same amount of the drug ...
*September 13, 2014*

**Science**

An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. Extraneous variables — other than the independent ...
*September 13, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "spectral broadening" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=spectral+broadening&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*September 13, 2014*

**Algebra**

2x -21 = 2x - 21 agree
*September 13, 2014*

**Statistics**

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 Z = (score-mean)/SD Find ...
*September 12, 2014*

**Statistics – First Q**

Z = -1 to Z = +1
*September 12, 2014*

**Algebra 3-4**

First Stage = x + 28, second = x x + 28 + x = 152 Solve for x, then x + 28.
*September 12, 2014*

**Statistics**

I'm not sure what CCIW means, but if it involves college freshmen, then I would agree.
*September 12, 2014*

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