Sunday

March 29, 2015

March 29, 2015

Total # Posts: 19,542

**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*

**math**

f(x) = 3x - 2 = 3(1.5) - 2 = ?
*May 12, 2014*

**science**

As indicated in your previous post, Google these concepts.
*May 12, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "advantages disadvantages of diffusion in chemistry" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=advantages++disadvantages+of+diffusion+in+chemistry&...
*May 12, 2014*

**life sciences**

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.
*May 12, 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. Multiply by 93.
*May 12, 2014*

**science**

If that happened, there was probably some trauma to the heart, so the organism would die.
*May 12, 2014*

**Matth**

16/(18+16+22) = ?
*May 12, 2014*

**math**

2.25/12 = ? 3.24/18 = ? The answers to the two equations should lead you to answer the 3 questions.
*May 11, 2014*

**math (?)**

It would help if you proofread your questions before you posted them. What is "one 25_ -pound bag"? I assume it is not one 25-pound bag. If it is: 15 * 25 = ?
*May 11, 2014*

**math (?)**

The information you need would vary, depending on the type of business decision you wanted to make. What decision concerns you?
*May 10, 2014*

**Biology**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Disagree with all except #2. 1. Food goes through small intestine before large. 3. What do you think the rocks are for? 4. Look up the ...
*May 10, 2014*

**Ethics in Criminal Justice**

Whenever you have rights and privileges, duties and responsibilities are also present, not only for the other but for one's self.
*May 10, 2014*

**math**

Assuming that a and b are both ≥ 1, A.
*May 10, 2014*

**math**

Looks like PQ is divided into thirds. What does that tell you?
*May 10, 2014*

**math**

(80-20)/80 = ? Change to %.
*May 10, 2014*

**health**

Get a coach.
*May 9, 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. However, I will start you out. Find the mean first = sum of scores/number of scores. ...
*May 9, 2014*

**brilient stars**

(3-2) * 40 = ?
*May 9, 2014*

**physical (?)**

What is your question?
*May 9, 2014*

**statistics (?)**

No data. You cannot copy and paste here.
*May 9, 2014*

**Science**

https://www.google.com/search?client=safari&rls=en&q=Fr,+atomic+number+87&ie=UTF-8&oe=UTF-8
*May 9, 2014*

**Biology**

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

**statistics (?)**

Cannot tell what values go with what variables.
*May 8, 2014*

**statistic**

It would help if you proofread your questions before you posted them. P typically stand for probability, which cannot be greater than 1.
*May 8, 2014*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 13/52 * (13-1)/(52-1) = ? I don't understand what you want in the last sentence.
*May 8, 2014*

**statistics**

A parameter is a value related to the total population, while statistic only relates to a sample, a portion of the population. That should help you to come to your own answers.
*May 8, 2014*

**Algebra Help!!!**

https://www.google.com/search?client=safari&rls=en&q=Graphing+Square+Root+Functions+on+Connexus&ie=UTF-8&oe=UTF-8
*May 8, 2014*

**Math**

250/(60)^2 = x/(96^2) Solve for x.
*May 8, 2014*

**Math**

Z = (score-mean)/SD Use your table or find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities of Z scores to the mean. Add.
*May 8, 2014*

**math (?)**

What is your question?
*May 7, 2014*

**statistics**

Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n 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 7, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "physics force" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=physics+force&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
*May 7, 2014*

**Maths**

y = 3x - 1 x^2 + (3x-1)^2 = 12 x^2 + (9x^2 - 6x + 1) = 12 10x^2 - 6x - 11 = 0 I don't see factors for this equation.
*May 7, 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.
*May 7, 2014*

**math (?)**

It would help if you proofread your questions before you posted them. Data missing.
*May 7, 2014*

**science**

Yes
*May 7, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "function of the nucleus in a cell" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=function+of+the+nucleus+in+a+cell&ie=UTF-8&oe=UTF-8 In the future, ...
*May 7, 2014*

**math**

1. D 2. A
*May 7, 2014*

**statistics**

8/46 = W/3000 Solve for W.
*May 7, 2014*

**Math (?)**

What is your question?
*May 7, 2014*

**Math (?)**

Lack data.
*May 6, 2014*

**Math**

5 can be obtained by 4,1; 1,4; 2,3 or 3,2. 4/36 = ?
*May 6, 2014*

**Math!!**

Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 27 + (3+2*5)^2 = 27 + 13^2 = ? OR 27 + 3 + 2*5^2 = 30 + 50 = ? OR 27 + 3 + (2*5)^2 = 30 +100 = ?
*May 6, 2014*

**science**

I would agree.
*May 6, 2014*

**Algebra 2**

Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 4^-2 = (1/4)^2 = 1/4 * 1/4 = 1/16
*May 6, 2014*

**Math 221**

4y^3 u^2
*May 5, 2014*

**biology (?)**

What are your alternatives? You cannot copy and paste here.
*May 5, 2014*

**Algebra**

(-5x/x+3)-(7/x+3) (-5x-7)/(x+3)
*May 5, 2014*

**math (?)**

What is your question?
*May 5, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "energy transformations during skydiving" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=energy+transformations+during+skydiving&ie=UTF-8&oe=UTF-8 In ...
*May 5, 2014*

**math**

75 + 3s < 12s
*May 5, 2014*

**Algebra**

3 * 1 = 3 5a * a^2 = 5a^3 When multiplying terms, you add the exponents.
*May 5, 2014*

**math**

These are factors you consider important, and will vary with your needs. For example, are you going to use their credit card. If you pay off the card completely each month, the interest on the amount carried forward will have little meaning for you. If not, it may be an ...
*May 5, 2014*

**probability**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Spade = 13/52, club = 13/(52-1) face = 12/52, 8 = 4/(52-1) I don't know how they could be wrong either. Text typos?
*May 4, 2014*

**math**

Since this is not my area of expertise, I searched Google under the key words "three sections of the statement of cash flows" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=three+sections+of+the+statement+of+cash+flows&ie=UTF-8&oe...
*May 4, 2014*

**math**

https://www.google.com/search?client=safari&rls=en&q=mean+absolute+deviation&ie=UTF-8&oe=UTF-8
*May 4, 2014*

**statistics**

Ho: µ Pop = µ sample Ha: µ Pop < µ sample Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table ...
*May 4, 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.
*May 4, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "ethical issues behind cloning" to get these possible sources: http://search.aol.com/aol/search?query=ethical+issues+behind+cloning&s_it=client-addressbarmac-unauth In the future, you can ...
*May 4, 2014*

**Statistics**

Statistical?
*May 4, 2014*

**algebra (?)**

What is your question?
*May 4, 2014*

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