Friday
May 27, 2016

Posts by PsyDAG

Total # Posts: 21,887

Math
It would help if you proofread your questions before you posted them. The information does not make sense as typed.
February 1, 2016

Statistics
87 is 1 SD below mean. 68% are ±1 SD, therefore 34% are below the mean, leaving 50% - 34% = 16% Here is another way to figure it out exactly. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution&...
February 1, 2016

Math
I assume the number you started with was 23.2. 2.32 + 1.16 = 3.48
February 1, 2016

science (?)
More data needed.
February 1, 2016

Geometry
1/9.52 = $/450 Solve for $.
February 1, 2016

Geometry
288/752 = H/564 Solve for H.
February 1, 2016

Geometry
To get 36, the ratio would need to be 4:8:10:14. What is x?
February 1, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (2/9)^3 = ?
February 1, 2016

activity
What are your choices?
February 1, 2016

activity
You cannot copy and paste here.
February 1, 2016

math-story prob
Let x = sq ft 79.50 + x = 2.50x Solve for x.
February 1, 2016

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. Relate to level of significance you are using. Multiply ...
January 31, 2016

statistics, probability
Not necessarily true.
January 31, 2016

math
No choices. You cannot copy and paste here.
January 31, 2016

Quantitative methods
How many in each group? 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 ...
January 31, 2016

Science
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.... Since this is not my area of expertise, I searched Google under the key words &...
January 31, 2016

science
Please indicate answers with question. 1. The liquid part of the blood is called _____. (1 point) hemoglobin plasma*** platelets white blood cells 1. right 2. wrong 3. right 4. wrong 5. right 6. right 7. right 8. right 9. right
January 31, 2016

algebra
Hint: largest area would be a square.
January 31, 2016

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
January 31, 2016

tourism , geography, mathematical literacy, economics
Speak with your school counselor so that person can ask you specific questions to help answer your question.
January 31, 2016

Science
Since this is not my area of expertise, I searched Google under the key words "tongue temperature sensitivity" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=tongue+temperature+sensitivity&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
January 31, 2016

Technical drawing
What angle? What type of figure?
January 31, 2016

Science
What do you use to generate enough heat to melt either metal?
January 30, 2016

Science
agree.
January 30, 2016

statistics
Need standard deviation (SD) value. 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 Z score.
January 30, 2016

Psychology
Agree with A, because person is dealing with the problem and is "problem-focused."
January 30, 2016

setswana
English please.
January 30, 2016

Sociology
We do not have access to the videos.
January 29, 2016

algebra
See previous post.
January 29, 2016

algebra
(n - 5)(n - 1) = n^2 - 6n + 5
January 29, 2016

poetry
What are the specific haiku? You cannot copy and paste here.
January 29, 2016

Math
I assume "reaping" means fencing. Let x = fencing in meters 27.5x = 55,000 45x/100 = ? Solve for x, then ?.
January 29, 2016

English (?)
What is the "Big Question"?
January 29, 2016

Business study,econamics,math lit,tourism
Talk to your school counselor, who can ask you specific questions to determine what jobs would suit you.
January 29, 2016

Math
"≥" can be obtained by using ">" key along with "option" key.
January 29, 2016

Math
It would help if you proofread your questions before you posted them. 14 what of an hour?
January 28, 2016

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
January 28, 2016

Science
Mere boiling would not help unless all the water had evaporated.
January 28, 2016

Science Help!
You cannot copy and paste here. The mating of two LS cats would give you 75% short hair.
January 28, 2016

math
M = 40 - S M + 10 = 2(S + 10) Substitute 40-S for M in the second equation and solve for S. Insert that value into the first equation to solve for M. Check by putting both values into the second equation.
January 28, 2016

Math
5/.75 = ?
January 28, 2016

math
"≥" can be obtained by using ">" key with "option" key. An inequality is treated just like an equation, except that multiplying/dividing by a negative value reverses the carat (< to >).
January 28, 2016

English
Disagree
January 27, 2016

English
Agree
January 27, 2016

Math
Subtract 11 from both sides, then divide by 2.
January 27, 2016

Algebra
L = 3W 2L + 2W = 40 Substitute 3W 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.
January 27, 2016

maths
1 mm is 1/10 of 1 cm. 1,000,000 km = 4 * 250,000 .75 * 100 = ?
January 27, 2016

maths
6/7 = ?
January 27, 2016

math (?)
What is your question?
January 27, 2016

math
C = π * d
January 27, 2016

perimeter and area
Area = Length * Width 56 = 7 * W Solve for W. Perimeter = 2L + 2W
January 26, 2016

spanish
Which indicates inaction?
January 25, 2016

Math
4:1 is greater, because 10:3 = 3 1/3:1
January 25, 2016

Math
Let x = number of snacks 1.5x + 100 ≥ 500 Can you give the explanation?
January 25, 2016

science
-297.35° F 90.18° K
January 25, 2016

language Arts
What excerpt?
January 25, 2016

Physical education URGENT PLEASE HELPPPP
Since this is not my area of expertise, I searched Google under the key words "importance flexibility training" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=flexibility+importance+in+sports&ie=UTF-8&oe=UTF-8&gws_rd=ssl#q=...
January 25, 2016

Physical Education
Since this is not my area of expertise, I searched Google under the key words "difference between muscular endurance and cardiovascular fitness" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=difference+between+muscular+endurance+...
January 25, 2016

Science
1. right 2. wrong 3. right 4. right 5. wrong 6. right 7. right
January 25, 2016

Science
All are right.
January 25, 2016

Maths
What sequences? You cannot copy and paste here.
January 25, 2016

math
When multiplying/dividing an inequality, the sign is reversed. x > 16 h < -2.5
January 25, 2016

math
Add 5 to both sides. Don't know how to graph the answer.
January 25, 2016

Spanish
A.
January 25, 2016

Spanish
Subject El hombre corre.
January 24, 2016

science (?)
Cup 1 and 2 are the same. 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.
January 24, 2016

statistics
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.
January 23, 2016

science
Agree
January 23, 2016

Math
Yes 3/4% = .75%/100 = .0075 .0075 * 75 = ?
January 23, 2016

Math
8/32 = 1/4, so no.
January 23, 2016

Math
1/4 = 8/32 5/16 = 10/32
January 23, 2016

math
The minimum would be nine, but the odds of getting that are small.
January 23, 2016

Science
Since this is not my area of expertise, I searched Google under the key word "Ununseptum" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Ununseptum&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you ...
January 23, 2016

stats
3 minutes = 180 seconds Assuming that each company will contribute equally, you want to find the probability of < 90 seconds for each company. (However, you realize it might be a 80/100, 85/95, et cetera splits.) Z = (score-mean)/SD Find table in the back of your statistics...
January 22, 2016

math
L = 1680/W L^2 + W^2 = 58^2 Substitute 1680/W 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.
January 22, 2016

Math connexues
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 give you a start. 1. x:4" and "45:20" Since 4 is 1/5 of 20, x...
January 22, 2016

Maths litracy,tourism,business studies and history
Consult your school counselor, who will ask you specific questions and possibly give test to help you answer your question.
January 22, 2016

math
Typo, the second one is not an equation.
January 22, 2016

Health
Your choices are all correct.
January 22, 2016

OPERATIONS RESEARCH
No Table. You cannot copy and paste here.
January 22, 2016

Algebra
Agree
January 22, 2016

5th grade math
10,000/100 = 100 What value is in the hundreds place?
January 22, 2016

Science help
See definition of innovation.
January 21, 2016

statistics
Mean requires relatively normal distribution. Mode needs multiple scores in some intervals.
January 21, 2016

science
Which animals? Depending on the animal, they may find shelter under a tree, in a hollow log, in a cave, dig their own, and so on.
January 21, 2016

Statistics
As far as the experiment goes, it also "looks pretty clean to me." However... If you want to generalize this data to humans, do humans use cell phones that often/long? (I know I don't.) Also, would the increase in body mass of humans effect the result?
January 21, 2016

math (?)
How wide are the bars of the cross?
January 21, 2016

math
10 degrees below zero.
January 17, 2016

math
If there are no typos, the price was reduced by 87%.
January 17, 2016

MATHS
First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you. Second, lacking data.
January 17, 2016

Math
4x + 4(x+6) = total I'll let you simplify.
January 16, 2016

Spanish
Verdad
January 16, 2016

Chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
January 16, 2016

consumers std,economic std,business studies
Ask your school counselor, who can more efficiently explore this question with you.
January 16, 2016

Maths
What diagram? Cannot copy and paste here.
January 16, 2016

Maths
What diagram? Cannot copy and paste here.
January 16, 2016

Math
1. Write number and frequency like this: 1,7 2,9.... Answer is wrong. #at 3/Grand total 2. right 3. Wrong Total HHH/Grand total 4. wrong Total with TT/Grand total
January 15, 2016

math
L = 2B 2L + 2B = 27 Substitute 2B for L in the second equation and solve for B. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
January 15, 2016

STATISTICS (?)
What is your question?
January 15, 2016

social
Possibly, if your question(s) are more specific.
January 15, 2016

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