Monday

March 2, 2015

March 2, 2015

Total # Posts: 19,323

**math**

C = $49 + $20m
*February 18, 2015*

**algebra**

What formula? What is your question? You cannot copy and paste here.
*February 18, 2015*

**Statistics**

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.
*February 17, 2015*

**Science**

1. Shape determines which other nerves they stimulate. 2. An organ consists of many different kinds of tissues.
*February 17, 2015*

**Biology**

What mutation?
*February 17, 2015*

**statistics**

Z = (score-mean)/SE 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. How does P = .05 compare?
*February 17, 2015*

**science**

Can't tell unless we get speed for last third.
*February 17, 2015*

**Math**

Assuming same number of stairs between each floor: 3rd floor --> up two floors 6th floor --> up six floors Got it?
*February 16, 2015*

**math**

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 ...
*February 16, 2015*

**Math**

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 calculations.
*February 16, 2015*

**Algebra**

What is your question?
*February 16, 2015*

**Interpersonal communication**

Definitely true. We each have a code book (language, etc.) that we use. We need to use that to communicate, hoping that the receiver has a code book that can decode your message. Check out this article: http://drdavespsychologypage.homestead.com/Communication_Confusion.pdf
*February 16, 2015*

**math**

laps < 10
*February 16, 2015*

**science**

Assuming that the jar is air tight, the flame will go out once the oxygen in the jar is used up.
*February 16, 2015*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 16, 2015*

**costs**

25/4 = x/.59 Solve for x.
*February 16, 2015*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 16, 2015*

**anthropology**

Good as far as you went, but you didn't discuss if "we should impose our values on those cultures." What are your thoughts about that?
*February 16, 2015*

**Probability**

Network not shown. You cannot copy and paste here.
*February 16, 2015*

**statistics**

Z = (score-mean)/SD = (17-mean)/SD Which has the highest Z score?
*February 15, 2015*

**stats**

95% = mean ± 1.96 SEm SEm = SD/√n
*February 15, 2015*

**math**

4 - .4 = ?
*February 15, 2015*

**math**

In what time zone? 7:15 + 5 hours - 5 minutes = ?
*February 15, 2015*

**algebra**

35/45 = ? gallons
*February 15, 2015*

**MATH**

Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you. What question?
*February 15, 2015*

**science**

Since this is not my area of expertise, I searched Google under the key words "electrostatic precipitator" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=electrostatic+precipitator&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
*February 13, 2015*

**Math**

248/100 = 124/50 = 62/25
*February 13, 2015*

**statistics**

Didn't I answer this previously? 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. Range = highest score minus lowest Find ...
*February 13, 2015*

**math**

2 1/5 = 11/5
*February 12, 2015*

**Math**

Insufficient data.
*February 12, 2015*

**science 1 question**

I would say B.
*February 12, 2015*

**Math**

Let x = longest side of the triangle x + x/2 + (x-7) = 53 Solve for x, then x/2 and x-7.
*February 12, 2015*

**Math: Probability**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Assuming there is no replacement: P(red,red) = 3/10 * 2/9 = ? P(red,blue) = 3/10 * 4/9 = ?
*February 12, 2015*

**Statistics**

Discrete only can be whole numbers, no partial.
*February 12, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 22/100 * 21/99 * 20/98 = ?
*February 12, 2015*

**Introductory Algebra**

No blueprint available. L = 2W + 7 2W + 2L = 68 Substitute 2W+7 for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
*February 11, 2015*

**math**

8.2m/5m = x miles/15 miles Solve for x.
*February 11, 2015*

**pre-algebra**

7 cm/40.4 cm = x m/80.6 m Solve for x.
*February 11, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "describe the flow of blood in the human body" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=describe+the+flow+of+blood+in+the+human+body&ie=UTF-8&oe=...
*February 11, 2015*

**science**

Since this is not my area of expertise, I searched Google under the key words "life cycle of the animalia kingdom" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=life+cycle+of+the+animalia+kingdom&ie=UTF-8&oe=UTF-8&gws_rd=ssl In ...
*February 11, 2015*

**math**

P(treat) = 20/36 = ? P(not) = (36-20)/36 = ?
*February 11, 2015*

**Law?**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 11, 2015*

**math**

You cannot copy and paste here.
*February 11, 2015*

**6th grade math**

For the same reason that you do it in an equation, to keep it balanced.
*February 11, 2015*

**statistics**

Z = (score-mean)/SD Which one has the largest positive Z score?
*February 11, 2015*

**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 ...
*February 11, 2015*

**biology**

Mendel says 4.
*February 11, 2015*

**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.
*February 11, 2015*

**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. Hint: look in the smaller portion.
*February 10, 2015*

**Math needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 10, 2015*

**statistics**

95% = mean ± 1.96 SEm SEm = SD/√n
*February 9, 2015*

**math (?)**

Does she need 1/5 of 6 yards for a bow or 1/5 of a yard?
*February 9, 2015*

**Public speaking**

I would say A.
*February 9, 2015*

**Math**

6/18 = 9/27 = 3/9 Can only find two others. I'll let you provide the reasoning.
*February 9, 2015*

**math**

A square, a specific type of rectangle, would give you the largest area.
*February 9, 2015*

**science**

Disagree, Google each alternative.
*February 9, 2015*

**math**

Weight losses not given.
*February 9, 2015*

**math**

I assume you are saying the area of the square box = 486. L^2 = 486 L = √486
*February 9, 2015*

**Math Probability Outcome**

It would help if you proofread your questions before you posted them. If you choose two socks, how do you get "2 pair of white socks? If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the ...
*February 9, 2015*

**statistics**

mean, a particular measure of central tendency.
*February 8, 2015*

**stats**

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 "...
*February 8, 2015*

**STATS**

Z = (score-mean)/SD = (190-180)/17 = ?
*February 8, 2015*

**Math**

A) # $20 notes/total notes = ? B) Either-or probabilities are found by adding the individual probabilities. C) # $50 notes/total = ? D) 9/18 = ?
*February 8, 2015*

**English**

In today's society, many middle class people argue that they cannot build wealth because of wrong choices. This is a better statement of the thesis, but I don't know how you will be able to support it.
*February 7, 2015*

**math**

one ounce = 6 teaspoons 6/24 = x/6 Solve for x.
*February 7, 2015*

**stats**

P(2 blue balls) = 20/30 * 19/29 P(red ball third) = 10/28
*February 7, 2015*

**statistics**

Definitely right.
*February 6, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. A. .8 * .7 = ? B. .2 * ? = .18
*February 6, 2015*

**Probability**

http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf
*February 6, 2015*

**Statistics HELP**

P(red in A) = 1/5 P(red in B) = 3/16 To compare, change to decimals.
*February 6, 2015*

**Statistics**

HH TT TH HT Four possibilities.
*February 6, 2015*

**Crime and Society**

What rates?
*February 6, 2015*

**Algebra**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Please put equation all on one line. 9x - y = 11 x + 3y = 23 Multiply first equation by 3. 27x - 3y = 33 Add second and third equation to ...
*February 5, 2015*

**college algebra**

Let x = miles. $20 +$.50x = $1.50x Solve for x, then substitute 30 for x.
*February 5, 2015*

**math**

5/30 = 1/6 Since 1/6 < 1/5, estimate slightly < 20%
*February 5, 2015*

**Chemistry? needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*February 5, 2015*

**Math**

290? 280? etc.
*February 5, 2015*

**statistic**

Have no idea of contents of Table 1. 1. No 2a. SEm = SD/√n = (√variance)/n 2b. Z = (score-mean)/SEm 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...
*February 5, 2015*

**math**

Let m = Mrs. Lee's age, then s = m - 26 m = 3(m-26) Solve for m.
*February 5, 2015*

**algebra**

x + y = 40 x - y = 6 Add the two equations and solve for x. Insert that value into one of the equations to find y.
*February 5, 2015*

**ENGLISH**

What is you question? The sentence is grammatically correct, but I can still talk with my mouth full.
*February 5, 2015*

**ENGLISH**

What is your question? Grammatically correct, but logically wrong.
*February 5, 2015*

**algebra**

What following? You cannot copy and paste here.
*February 5, 2015*

**Thank You everybody who helps us**

You are welcome.
*February 4, 2015*

**Human service**

If feedback is positive, keep doing what your are doing. If feedback is consistently negative, institute changes. If feedback is consistently positive, except for one or two individuals, try to determine if the negative feedback is due to idiosyncratic aspects of the ...
*February 4, 2015*

**statistics**

Lacking data. Z = (score-mean)/SD 2.84 = (score- 8.9)/SD What is the SD (standard deviation)?
*February 4, 2015*

**Science**

Agree.
*February 4, 2015*

**Anthropology**

Since this is not my area of expertise, I searched Google under the key words "Hopi funeral practices" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Hopi+funeral+practices&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find ...
*February 4, 2015*

**math**

What are your choices? dependent variable?
*February 4, 2015*

**English Check please**

Agree
*February 4, 2015*

**English check**

There is no mention of the Cyclops.
*February 4, 2015*

**English**

How can we help you?
*February 3, 2015*

**science**

Dendrites and cell body receive impulses from axons over the small gap, the synapse.
*February 2, 2015*

**health**

Disagree. What is being sent? In other words, what is moving?
*February 2, 2015*

**math**

I don't know which test you are using. Try this one. 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 ...
*February 2, 2015*

**Substitution**

A = 155 - S $2.50S + $4.00A = $492.50 Substitute 115-S for A in the second equation and solve for S. Insert that value into the first equation to solve for A. Check by putting both values into the second equation.
*February 1, 2015*

**statistics**

Cannot be answered unless the type of distribution is known — normal, positively skewed, negatively skewed.
*February 1, 2015*

**concept development**

Agree.
*February 1, 2015*

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