Friday

August 22, 2014

August 22, 2014

Total # Posts: 17,982

**science**

Since the sound has to travel in both directions: 340 * 5.2/2 = ?
*November 7, 2013*

**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 previous post.
*November 7, 2013*

**MATH**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. a) (1-.05)(1-.21) = ? b) .05(1-.21) = ? c) Follow same process. d) This is saying that either h or k will qualify. Either-or ...
*November 7, 2013*

**Math**

From your set of numbers, there is no mode or modal class. If the scores were grouped into intervals, one could be the modal class. The mean or median would be better to indicate average class sizes. Any of the measures of central tendency can be used, if the distribution is ...
*November 7, 2013*

**spanish (Ooops!)**

I'm sorry that I misinterpreted, since in los Estados Unidos, we us the period to indicate less that one. What you want is: quinientos treinta miles
*November 6, 2013*

**spanish**

quinientas treinta
*November 6, 2013*

**statistic (?)**

What is your question?
*November 6, 2013*

**anatomy**

Although eye shape can indicate oriental origin, I don't think that any of these are good indicators of race.
*November 6, 2013*

**Science**

I agree.
*November 6, 2013*

**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.
*November 6, 2013*

**Psychology**

http://psychcentral.com/encyclopedia/2009/operational-definition/ In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
*November 6, 2013*

**Science**

Since this is not my area of expertise, I searched Google under the key words "gravitational force between two objects" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=gravitational+force+between+two+objects&ie=UTF-8&oe=UTF-8 In ...
*November 5, 2013*

**Health part 2**

Why are you posting these, when the answer is easily available in your text? This article only covers the cerebrum. http://drdavespsychologypage.homestead.com/Brain__General_Anatomy.pdf
*November 5, 2013*

**Health part 2**

Do you have a textbook to consult? Use it.
*November 5, 2013*

**Health part 2**

How can it be "All of the above" if that includes"Neither of the above"? Opposite of arteries.
*November 5, 2013*

**science**

Gravitational pull would pull it into the sun. The inertia of its orbit keeps this from happening
*November 5, 2013*

**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. Multiply by 100 to get the percentage.
*November 5, 2013*

**science (?)**

What is your choice? 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.
*November 5, 2013*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 81 * 38 = 3078, which is the product. For 81, 3 * 3 * 3 * 3 are factors. However, 81 and 38 are also factors of 3078.
*November 4, 2013*

**math**

No data given.
*November 4, 2013*

**Mathjc**

x^3 = 27 3*3*3 = 27 x = 3
*November 4, 2013*

**Statistics**

P value (e.g., P ≤ .05) is the probability that the null hypothesis is true, even though it may be rejected at this level.
*November 4, 2013*

**math (incomplete)**

What is "¨ü "?
*November 4, 2013*

**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.
*November 3, 2013*

**Spanish**

Nosotras is strictly feminine, while nosotros is masculine or can be used for mixed gender groups.
*November 3, 2013*

**Physics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*November 2, 2013*

**abnormal psychology**

Since they also cover preventative strategies for disorders, the statement is false.
*November 2, 2013*

**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 your previous post.
*November 2, 2013*

**Social Psychology**

We cannot determine if you were tempted. However, these articles might help you. http://drdavespsychologypage.homestead.com/Influence_Antecedents.pdf http://drdavespsychologypage.homestead.com/Influence__More_Principles.pdf http://drdavespsychologypage.homestead.com/...
*November 2, 2013*

**Math**

From your data, with four tosses, you would get 3 tails and one head by chance. The probability of one head would then be 1/4. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
*November 2, 2013*

**Math**

This is the same as both are either red or green. red = (20-5-9)/20 green = 5/20 Either-or probabilities are found by adding the individual probabilities. This is for one choice. But you are looking fro two choices. If the events are independent, the probability of both/all ...
*November 2, 2013*

**Math**

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.
*November 1, 2013*

**Math**

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.
*November 1, 2013*

**Math**

Probability of a 4 is 1/6, while a probability of a non-4 = 5/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/6 * 5/6 * 5/6 = ?
*November 1, 2013*

**science HELP**

Since this is not my area of expertise, I searched Google under the key words "air pressure affect cloud formation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=air+pressure+affect+cloud+formation&ie=UTF-8&oe=UTF-8 In the future...
*November 1, 2013*

**Math**

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, 2013*

**Math**

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, 2013*

**Math**

Agree.
*November 1, 2013*

**algebra**

distance = rate * time (50*4) < d < (65*4)
*November 1, 2013*

**math (?)**

What do the values stand for? Have no idea what you consider problems.
*October 31, 2013*

**science please help**

Since this is not my area of expertise, I searched Google under the key words "source uses radio waves" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=source+uses+radio+waves&ie=UTF-8&oe=UTF-8 Do the same for the other waves. In ...
*October 30, 2013*

**Science (?)**

It would help if you proofread your questions before you posted them. A current what?
*October 30, 2013*

**Science 😆**

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts
*October 30, 2013*

**Math**

From the way you have it written, I am assuming that the divisor is only for the second term (3/5). (1/2)+3/5 /[9/10-(-3/5)] = A minus times a minus = a plus. (1/2)+3/5 /[9/10+3/5)] = To make it easier, convert to decimals and combine the two denominator terms. .5 + .6/(.9+.6...
*October 30, 2013*

**science**

See previous post.
*October 30, 2013*

**Science**

I agree.
*October 30, 2013*

**science**

https://www.google.com/search?client=safari&rls=en&q=phases+of+the+moon&ie=UTF-8&oe=UTF-8
*October 30, 2013*

**science**

Although this is not my major area of expertise, I would agree.
*October 30, 2013*

**Math**

Assuming that the digits cannot be repeated, combinations of 3, 4, 5 or 4, 5, 6.
*October 30, 2013*

**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 your later post.
*October 30, 2013*

**Math**

(500 + 600)h = 1925 Solve for h.
*October 29, 2013*

**math (?)**

You need to Include the question again in your post.
*October 29, 2013*

**Science**

Since this is not my area of expertise, I searched Google under the key words "Acid base h+" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Acid+base+h%2B&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
*October 29, 2013*

**Math**

When dividing by a fraction, it is the same as multiplying by the inverse of the fraction. 20 divided by 1/7 = 20 * 7/1 = 140 Check with the other problems.
*October 29, 2013*

**algebra 2**

Small = 30 - Large 249.99S + 329.99L = 8379.70 Substitute 30-L for S in second equation and solve for L. Insert that value into the first equation and solve for S. Check by inserting both values into the second equation.
*October 29, 2013*

**algebra (?)**

What is your question?
*October 29, 2013*

**science**

I assume that you mean the Earth's gravity. D
*October 29, 2013*

**Math**

Change to a decimal.
*October 28, 2013*

**science**

Is the difference due to the spraying or the different kind of berries or a combination? B
*October 28, 2013*

**Statistics**

Analyze per 1000 forms. 2($100) + 3($50) = ?
*October 28, 2013*

**Psychology**

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. I'll give you a start though. c) Search the prison archives, if possible.
*October 28, 2013*

**Finance needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*October 28, 2013*

**statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05) related to a Z score. Insert the values into the equation below and solve for the score. Z = (score-mean)/SD
*October 27, 2013*

**Science**

Since this is not my area of expertise, I searched Google under the key words "path of digestion in humans" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=path+of+digestion+in+humans&ie=UTF-8&oe=UTF-8 In the future, you can find ...
*October 27, 2013*

**English**

1. Grammatical, but unlikely to occur. You cannot stop reading? 4. learn 5. "…spend more than 2 hours" doing what?
*October 27, 2013*

**6th grade science**

Since this is not my area of expertise, I searched Google under the key words "land water effect on wind" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=land+water+effect+on+wind&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*October 27, 2013*

**Science**

density = mass/volume density = 335/(83.6-50) You want the volume of the object rather than the object and the water.
*October 27, 2013*

**Probability (Partial)**

a. Z = (score-mean)/SEm SEm = SD/√n SD = √variance 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. b. Z = (score-mean)/SD Use same table. c...
*October 27, 2013*

**Science**

1 kgm = 1000gm density = mass/volume density = (2.563 * 1000)/(6 * 9 * 20) = ?
*October 27, 2013*

**statistics**

(.44)^6 * (1-.44)^3 = ?
*October 27, 2013*

**English**

1. Before Cohen gives is (US) seven monster theses (COMMA) he points out (NO COMMA) that history is not the answer of (TO) all questions about monsters. That meanS (NO COMMA) that we often try to explain why the people tell each other about monsters and why that (UNCLEAR ...
*October 27, 2013*

**math**

You lose $2 each day. $24/$2 = ?
*October 27, 2013*

**Geometry (?)**

Without a diagram, we have no idea what the letters mean.
*October 27, 2013*

**Statistics**

Yes.
*October 27, 2013*

**Statistics**

.32 ± .017 = ?
*October 27, 2013*

**math (?)**

Repost your question using the space bar rather than the plus (+) sign.
*October 27, 2013*

**Science**

You have asked this question several times. It lived in the water, it died and was buried in sediment.
*October 26, 2013*

**science**

The law has been repeatedly and consistently supported by various forms of data and has never been contradicted.
*October 26, 2013*

**z scores URGENT**

Z = (score-mean)/SD
*October 26, 2013*

**Mathhh**

2x - y = 4 Subtract 4 and add y to both sides of the above equation. y = 2x -4 8x - 4y = 16 Substitute 2x-4 for y in last equation and solve for x. Insert that value into the first equation and solve for y. Check by inserting both values into the second equation.
*October 25, 2013*

**Math**

Multiply first equation by 3 and the second by 2. 6x - 12y = 9 -6x + 10y = 2 Add the two equations. -2y = 11 You should be able to work it from here.
*October 25, 2013*

**math (?)**

What table?
*October 23, 2013*

**Biology 101**

We will be glad to respond to your choices.
*October 23, 2013*

**math**

1 + (9*9) - 6 = 76 I don't know about 73 or 77.
*October 23, 2013*

**Math**

(1 - .18)x = 129000
*October 23, 2013*

**math**

1.28x = 3.40 Solve for x.
*October 23, 2013*

**science**

You need to know specifically what you want to find. What specific question(s) are you trying to answer?
*October 23, 2013*

**science**

Intense heat?
*October 23, 2013*

**Algerbra**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Multiply the base values and add the exponents. (5.1*10^3) * (3.2*10^3) = 16.32*10^6 Use the same process for the remaining problems.
*October 23, 2013*

**Math**

V = π r^2 h d = 2r V = π (d/2)^2 h Solve for h.
*October 23, 2013*

**biology**

The primary difference between organic compounds and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not contain carbon. Also, almost all organic compounds contain carbon-hydrogen or C-H bonds.
*October 23, 2013*

**Math - Urgent**

Add 2/9b and 7 to both sides. 10 = 2/9b + 1/3b = 2/9b + 3/9b = 5/9b Multiply both sides by 9/5.
*October 22, 2013*

**Math (?)**

What is your question?
*October 22, 2013*

**math (?)**

It would help if you proofread your questions before you posted them. Data is missing.
*October 22, 2013*

**math**

2W + 2L = 360 Put in one value for either W or L, then calculate the other value. We cannot draw on these posts.
*October 22, 2013*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. (7*900) + (7*80) + (7*7) = 6300 + 560 + 49 = (Expanded) 6000 + 300 + 500 + 60 + 40 + 9 = ? It doesn't match either of your choices. Are there other choices available?
*October 22, 2013*

**algebra 2 honors**

1. x = (4+5y)/4 -6 = 3x - 6y Substitute (4+5y)/4 for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation. 2. Is there a typo in this part? Correct and use similar process.
*October 22, 2013*

**Number Sense**

Change both 5/12 and 6/13 into decimals to find out.
*October 22, 2013*

**algebra 2 honors**

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.
*October 22, 2013*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Anything to the zero power = 1. 6^-2 would be less than one.
*October 22, 2013*

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