Tuesday
September 30, 2014

Posts by PsyDAG


Total # Posts: 18,335

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

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 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 ...
October 22, 2013

Math-Algebra
Pythagorean theorem for right triangle: a^2 + b^2 = hypotenuse^2 6^2 + 4^2 = ?
October 22, 2013

Science
Can you do a Punnett square? https://www.google.com/search?client=safari&rls=en&q=punnett+square+calculator&ie=UTF-8&oe=UTF-8
October 22, 2013

math
Assuming that the 7 1/4 is in pounds: 8 * 7.25 * 6 = ?
October 21, 2013

math
http://www.youtube.com/watch?v=htN1CDwo-VY
October 21, 2013

algebra
16/2 = 8 8/2 = 4 4/2 = 2 2/2 = 1
October 21, 2013

math
Twelve months in a year. 109,782/12 *2/3 = ?
October 21, 2013

MATHS
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. I don't see a "fast way" to solve your question from the previous pattern. 49 = 7 * 7 55 = 5 * 11 26 = 13 * 2 7 * 11 * 13 * 2 = 2002 That still has to be...
October 21, 2013

math >.<
Your original map is 3 by 5. 3/5 =x/8 Solve for x, then 2x + 2(8) = perimeter
October 21, 2013

algebra
Regardless of what he donated, Ethan raised $125.25 - $20 = $105.25
October 21, 2013

Statistics
A. Use same process as previous post. B. Now we are talking about a distribution of means rather than raw scores. 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 ...
October 21, 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 proportions/probabilities for the various Z scores.
October 21, 2013

prealgebra
Original price - $50 = what he paid
October 21, 2013

math
The price of 4 digital = one video. 5 digital + 3 video = 3213 Substitute 4d for v in second equation and solve for d. 5 digital + 3(4 digital) = 3213 Insert that value into the first equation and solve for v. Check by inserting both values into the second equation. Since John...
October 21, 2013

science
The seasons of the year?
October 20, 2013

science
Rotation of the earth.
October 20, 2013

Statistics
As I said before, it would depend on the size of the samples to see if the difference was significant. Based on three pairs, it probably would not be significant. Based on 1000 pairs, the difference probably would be significant. It does not make a different value right or wrong.
October 20, 2013

Algebra
You need two different values to find the coordinates, not just one.
October 20, 2013

Statistics (?)
What is your question?
October 20, 2013

Statistics
Right or wrong cannot be judged. To find out if they are significantly different, the size of the samples needs to be know.
October 20, 2013

Statistics
1.24($13.50*2080) = ?
October 19, 2013

Statistics
Since 15 minutes = .25 or 1/4 hour: 1424/4 = ?
October 19, 2013

biology need help
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.
October 18, 2013

Algebra 1
2/3h + 2 = h - 12 Solve for h.
October 18, 2013

science
If short is recessive, 25%. If short is dominant, 75%. https://www.google.com/search?q=punnett+square&client=safari&rls=en&tbm=isch&tbo=u&source=univ&sa=X&ei=N7hhUoCNNqi4yAGL54CYBw&ved=0CEAQsAQ&biw=1049&bih=834&dpr=1
October 18, 2013

Science (?)
Make up the what?
October 18, 2013

Math
Corrrect.
October 18, 2013

math
Why would you multiply something b y 1? Is there a typo? 96.050 * 10 = ?
October 18, 2013

biology
What don't you understand? I'll take a guess. If the independent variable was various amounts of a drug being given, then this would need to be measured along with the dependent variable. If the independent variable was either the presence or absence of a variable, ...
October 18, 2013

biology
Yes to all. However, when the independent variable is changed, it might also be measured to compare to the changes in the dependent variable.
October 18, 2013

science
If scientists do not agree with each other, they may replicate experiments to check the conclusions.
October 18, 2013

Science
Animals and protozoa do not have cell walls.
October 17, 2013

biology
Since this is not my area of expertise, I searched Google under the key words "sequence of the stop codon" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=sequence+of+the+stop+codon&ie=UTF-8&oe=UTF-8 In the future, you can find the...
October 17, 2013

Statistics
Z score is your score in arms of standard deviations. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.6140) related to the Z score. Are you assuming that the scores are ...
October 17, 2013

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 ...
October 17, 2013

Science (?)
More information needed. Do the rabbits have the same parents? Are the genes for either color dominate or recessive?
October 17, 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 17, 2013

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.
October 17, 2013

algebra
Minus times minus = a plus, minus times a plus = a minus. -26x + 10y - 75
October 17, 2013

algebra (?)
check what?
October 17, 2013

math (?)
What figure?
October 16, 2013

Statistics
See your later post.
October 16, 2013

math
(2x + 4y) * 3y = 6xy + 12y^2 (2x + 4y) * 8x = 16x^2 + 32xy Combine.
October 16, 2013

Math (?)
Your information is not accurate. Online "^" is used to indicate and exponent, e.g., x^2 = x squared. 14 r^5 would not give a decimal.
October 16, 2013

statistics
Either-or probabilities are found by adding the individual probabilities. .23 + .05 = ?
October 16, 2013

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .6 * (1-.6) = ?
October 16, 2013

PSY
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 16, 2013

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