Monday
September 1, 2014

Posts by PsyDAG


Total # Posts: 18,027

math (?)
How much "more than 60%"? What choices follow?
September 16, 2013

Reading
Since this is not my area of expertise, I searched Google under the key words "keening in the book hatchet" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=keening+in+the+book+hatchet&ie=UTF-8&oe=UTF-8 In the future, you can find ...
September 16, 2013

Science
Since this is not my area of expertise, I searched Google under the key words "properties of nonmetal" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=properties+of+nonmetal&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
September 16, 2013

Science
Conductivity
September 16, 2013

Sciences
Mercury
September 16, 2013

Sciences
An alloy is a mixture of metals. Steel is one of them.
September 16, 2013

Science
Properties?
September 16, 2013

math
What models? 1400 1.4 * 10^3
September 16, 2013

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 16, 2013

algebra
On iMac, "√" can be found by using option + v keys. x^2√x? There is no statement.
September 16, 2013

Math
4. Right 5. Sure, but I'm not sure what you mean by "6-2x4." Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
September 16, 2013

statistics
.65 * .20 = ?
September 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. .70 * .70 = ?
September 16, 2013

statistics
Z = (score-mean)/SD Find the Z score for 750 on SAT. Insert that Z score with the data for the ACT to find the equivalent score.
September 16, 2013

Psych
The DSM is a standardized way of diagnosing symptoms as criteria to determine what disorders (if any) are present. Once the disorder is diagnosed, various treatments can be applied. As accurate as the criteria are, the DSM will be effective in diagnosing. How accurate do you ...
September 16, 2013

biology
Arteries take blood from the heart, while veins bring blood back to the heart. Because of this their construction differs. Since this is not my area of expertise, I searched Google under the key words "veins vs. arteries" to get these possible sources: https://www....
September 15, 2013

Pysch
As long as race relates to physical qualities, a would be the answer.
September 15, 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.
September 15, 2013

science
SI unit for weight/mass is a kilogram.
September 15, 2013

psychology
One aspect is that the definitions of normal and abnormal are culturally influenced, so they may vary from one culture to another. https://www.google.com/search?client=safari&rls=en&q=normal+abnormal+behavior&ie=UTF-8&oe=UTF-8
September 15, 2013

Research
Assuming that mute only indicates inability to use speech and deaf only means inability to understand speech, traumatic brain damage could be a possibility, specifically Broca's and Wernicke's areas on the dominant side of the brain. The child would still be able to ...
September 15, 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 (.025) related to a Z score. Insert the Z score and other data in the equation above and solve for the score.
September 15, 2013

Physical Education
Since this is not my area of expertise, I searched Google under the key words "components of fitness" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=components+of+fitness&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
September 15, 2013

Stats/math
The same as any distribution.
September 14, 2013

alebra
-$29.95 - $5.50n = total cost
September 14, 2013

Mathg
26/332 = ?
September 14, 2013

simple math
a = 9.9909 * 10^3 b = 9.8861 * 10^3 Chopping and not rounding a = 9.990 * 10^3 b = 9.886 * 10^3 (9.990-9.886) * 10^3 = ?
September 14, 2013

Math
40/6 = 6 2/3 Round to nearest whole teacher.
September 14, 2013

Anthropology
She is talking about the sexist language bias between egg and sperm that give the sperm an active role and the egg a passive one, which — from her data — seems not to be the case. Our culture (and many others) has a male bias, negating the women and their roles (...
September 14, 2013

Math
84
September 14, 2013

Stats (?)
I have no idea what you mean by "before a 1 is observed".
September 14, 2013

Math
Pythagorean theorem side^2 + side^2 = hypotenuse^2 7^2 + 10^2 = 49 + 100 = 149 I would agree with you.
September 13, 2013

Math - Averages
85 = (65+82+76+87+x)/5 Solve for x.
September 13, 2013

Statistics
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. It will be the larger portion.
September 13, 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.
September 13, 2013

math (?)
What shaded region?
September 13, 2013

math
Pythagorean theorem a^2 + b^2 = hypotenuse^2 = 50^ + 30^2 = ?^2
September 13, 2013

MAth - Percents
(100%-10%)(40%) = ?
September 13, 2013

Math - Percents
.15 * 40 = 6 6/27 = ?
September 13, 2013

Math - Percents
2n - .125n = 28 Solve for n.
September 13, 2013

Math
-11 -(-14) = -11 + 14 = ?
September 13, 2013

science
Since this is not my area of expertise, I searched Google under the key words "reproduction of mosses, ferns, gymnosperms, and angiosperms" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=reproduction+of+mosses,+ferns,+gymnosperms...
September 13, 2013

science
Asexual reproduction has less genetic variety. Any catastrophic environmental change would effect all organisms. Since sexual reproduction gives a variety of genetic combinations, some organisms would probably survive.
September 13, 2013

statistics (?)
By "x+/-2s", do you mean "x±2s"? What does x stand for?
September 13, 2013

math (?)
What is your question?
September 12, 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 ...
September 12, 2013

math (?)
From your data, I don't understand. How can a six-digit number have a value of 90,000? Is there some typo?
September 12, 2013

math
Interquartile range is the middle 50%.
September 12, 2013

science
You can consciously flex a voluntary muscle.
September 12, 2013

science
I agree with 2, but not necessarily repeat the same experiment, but rather a revised one.
September 12, 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.
September 12, 2013

Math
10 yards are needed for a first down. With the losses, they needed to make 18 yards. They made 15. The decision to punt or go for it would depend on where they are in the field, the time remaining and the current score. They might even want to try a field goal. http://...
September 11, 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.
September 11, 2013

math (?)
More data needed.
September 11, 2013

Math
5/8 indicates 5 divided by 8 = .625. Therefore 4 5/8 = 4.625.
September 11, 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.
September 11, 2013

Math
80/5x = 16/x
September 11, 2013

Math
.80 < [(131+120+140)/150 + x/200]/4 Solve for x.
September 11, 2013

Math - Ratios
If each exam = 3 quizzes, then 2 exams = 6 quizzes. That should help you.
September 10, 2013

Math - Averages
90 - 6(2.25)(44) = amount needed Amount needed/(4*2.25) = average boxes that need to be sold.
September 10, 2013

Math -?
How does a fit in?
September 10, 2013

5th grade math help
Where did you get "10" from? 3w + 7g = ?
September 10, 2013

Math - Number Properties
6 + 5 = ?
September 10, 2013

science (?)
It would help if you proofread your questions before you posted them. Inadequate data.
September 10, 2013

Math
17. a -17 = 11- 17 ≠ -28 18. Right 19. Right 20. b - a = 8 - 11 ≠ 19 22. Right 23. Right 24. Right 25. c - a -b = -6 -11 -8 ≠ -3 28. c - a + b = -6 -11 + 8 ≠ -13
September 10, 2013

Math
The greater your depth, the longer it will take to ascend.
September 10, 2013

body systems terminology
Sensory nerves are afferent nerves. Plasma with a clotting factor removed HIV Colds are causes by viruses.
September 10, 2013

Math
(24*48)/(4*6) = ?
September 10, 2013

math
"Of what she had left" leads me to think some data is missing. If not, 16 - 16/4 = 16 - 4 = 12
September 10, 2013

math
Yes, but the specific relation depends on the specific activity related to burning the calories
September 9, 2013

math
-8º Celsius
September 9, 2013

math
We do not have access to your text or tables.
September 9, 2013

Math
https://www.google.com/search?client=safari&rls=en&q=prime+numbers+list&ie=UTF-8&oe=UTF-8
September 9, 2013

algebra
Let x = number of dimes, then x/2 for nickels and x-10 for quarters. 5x/2 + 10x + 25(x-10) = 875 Solve for x, then x/2 and x-10.
September 9, 2013

Algebra
Let first number = x, then 4x = second and x-13 = third. x + 4x + x-13 = 353
September 9, 2013

math
Assuming three meals of stew a day, number of packages = (3*3*8)/2 = ? For cost, multiply the above answer by $4.95.
September 9, 2013

math
You don't have any pieces of fruit to look for yourself?
September 9, 2013

math
Why would you want a longer way to work out the problem? What you did is fine.
September 9, 2013

Algebra
It must be less than 8 and greater than 6.
September 9, 2013

STAT
Measures of central tendency are all know generally as "averages." I. Mean is calculated as mean = ∑X/N. The mean is the fulcrum (balance point) for the distribution; therefore it is most influenced by deviant scores. II. Median is the point of the distribution...
September 9, 2013

MATH
Z score is the raw score in terms of standard deviations from the mean. The Z score cuts off the same proportion for any normal distribution. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" ...
September 9, 2013

math (?)
More data needed.
September 9, 2013

Math - Fractions
Let x = total appointments x - 1/9x - 3/16(x-1/9x) = 234 Calculate for x, then subtract 234 from x.
September 9, 2013

comm
http://drdavespsychologypage.intuitwebsites.com/Listening_Helpfully.pdf Take your pick.
September 9, 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.
September 8, 2013

science
Does liking a cereal mean that it is better for you?
September 8, 2013

MATH
7 * 4/5 * 7 = ?
September 8, 2013

Psychology
The question asks for your thoughts rather than ours.
September 7, 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.
September 7, 2013

statistics
With "or", it is unclear whether you want the probability between the scores, above them or below them. Assuming that you want the probability between the Z scores, find table in the back of your statistics text labeled something like "areas under normal ...
September 7, 2013

Chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
September 7, 2013

Math - Algebra
b + 3/4b + 5/8b + 9/16b + 7/16b = 216 b + 3/4b + 5/8b + b = 216 Solve for b, then 9/16b = ?
September 7, 2013

stat
Z = (score-mean)/SD Calculate the Z score from your data above. Do you think a null hypothesis can be accepted or rejected with n = 1?
September 7, 2013

Psychology
1. Synapse is a gap, so you have to define what you mean by "meet." 2. Right. 3. Agree. 4. Is suckling acquired or inborn? 5. I'm not sure what you mean by reminder sessions. However, events need to be repeated often to be remembered. Also, in later life, there ...
September 6, 2013

COMM100
http://drdavespsychologypage.intuitwebsites.com/Communication__Gender_Bias.pdf
September 6, 2013

STATISTICS
Correlation does not necessarily indicate causation.
September 6, 2013

STATISTICS (?)
What is your question?
September 6, 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 between the two Z scores.
September 6, 2013

statistics (?)
Data missing. What is your question?
September 5, 2013

math (?)
What is the tax rate and allowance for dependents?
September 5, 2013

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