Tuesday
February 21, 2017

Posts by PsyDAG

Total # Posts: 23,028

math
12 * 2x = 18 Solve for x.
January 30, 2017

Maths
It would help if you proofread your questions before you posted them. Typo? You have the answer in your question, "2/7 of the class are left-handed boys".
January 30, 2017

probability
a. 14/40 b. 26/40 c. Either-or probabilities are found by adding the individual probabilities.
January 29, 2017

Math
Substitute 3+2j for f in the second equation and solve for j. Insert that value into the first equation to solve for f. Check by putting both values into the second equation.
January 29, 2017

psych
Agree with all except 9.
January 27, 2017

psych
1. Disagree. What is variable about it? Agree with 2, 3, 4, 5, 6. 7. Disagree. Does it make any difference about how long it takes to lose 5 pounds?
January 27, 2017

MATH
Agree 1.075-(-3.1) = 4.175
January 27, 2017

Algebra
.4 * 118 = 47.2 cm 100 cm = 1 m 47.2/100 = .472m
January 27, 2017

MAth (?)
It would help if you proofread your questions before you posted them. I can't make sense out of your post.
January 26, 2017

math (?)
Bill is better than me. I don't even know how many children she has. She could have twins who are one year old.
January 26, 2017

math.......
1.05($39.50) = 41.48
January 26, 2017

Math needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
January 26, 2017

Math
It would help if you proofread your questions before you posted them. Also, we cannot draw on these posts.
January 25, 2017

math
72/4 = 18 72 + 18*3 + 18*2 = ?
January 25, 2017

Statistics
The statistical procedures are typically indicated in the article along with the values found with the procedure. Look for numbers and explanations of how the numbers were obtained.
January 25, 2017

PSYDAG Statistics ( no computation)--help please
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, this may help: http://www.fao.org/docrep/W7295E/w7295e08.htm
January 25, 2017

Math, Statistics
Either-or probabilities are found by adding the individual probabilities. http://math.stackexchange.com/questions/941150/what-is-the-difference-between-independent-and-mutually-exclusive-events
January 24, 2017

PSYCHOLOGY
https://www.google.com/search?client=safari&rls=en&q=psaychotherapy&ie=UTF-8&oe=UTF-8
January 24, 2017

Math: Geometry
Except for the symbol that denotes the choice, A and 3 and also B and 4 are identical.
January 24, 2017

Math: Geometry
If each answer indicates line segments, both B and 4 qualify as you have written the choices. It would help to decide whether you want to designate choices by letters or numbers.
January 24, 2017

Math
Yes, however, rather than what percent I save, I concentrate on how much I have to spend to get what I want. Retailers can put whatever value they want on an item then offer a discount. It may or may not be better than a price that is not discounted at another place.
January 24, 2017

science
Disagree. Haley's comet has made the trip several times. https://www.google.com/search?client=safari&rls=en&q=comet+tail+and+sun&ie=UTF-8&oe=UTF-8
January 24, 2017

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.
January 24, 2017

Math
8045 Do you need us to do the addition for you, or is there more to this question?
January 24, 2017

Physics
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. However, we cannot graph on these posts.
January 23, 2017

math
3/5 of all the chests.
January 23, 2017

math
One hermaphrodite? ;)
January 23, 2017

math
I hope you had a typo. G + 5 = B B + G = 25 Substitute G+5 for B in the second equation and solve for G.
January 23, 2017

Math
Cannot graph here.
January 23, 2017

maths
It would help if you proofread your questions before you posted them. "deducted"? 3N + 17 = 4N - 10 Solve for N.
January 23, 2017

Maths
8*10 = 80 8*1 = 8
January 23, 2017

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. You might try this: https://www.google.com/search?client=safari&rls=en&q=genetic+engineering...
January 23, 2017

Anatomy and Physiology
Disagree AORTIC VALVE. Closes off the lower left chamber that holds the oxygen-rich blood before it is pumped out to the body. Opens to allow blood to leave the heart (from the left ventricle to the aorta and on to the body).
January 23, 2017

Statistics
Agree SD^2 = variance
January 22, 2017

Math
Disagree. 1/10 = 10/100
January 22, 2017

Mathematics
2/3 of $60 = $40 $40 = 1/2J Solve for J.
January 22, 2017

Psychology
I also agree.
January 22, 2017

Psychology
I agree with 1, 2, and 4. However, I am unfamiliar with Myers-Briggs, so I cannot respond to that one.
January 22, 2017

Statistic Psychology
With an error of 3, how do you get ±1? Disagree,because 99.5% encompasses 3 times the standard error.
January 22, 2017

maths
Distance = rate*time = 600 * 2 1/3 Calculate distance.
January 22, 2017

math
It would help if you proofread your questions before you posted them. A "soda costs $99"? I assume you mean $.99. h = 2s + 1.27 = 2(.99) + 1.27 Calculate.
January 22, 2017

Mental Health
Disagree
January 22, 2017

Statistics
Z = (score-mean)/SD
January 22, 2017

PsyDAG How can i inteview you?
Post questions to <dagershaw@cox.net>.
January 21, 2017

algebra (inequality)
Welcome
January 20, 2017

algebra (inequality)
300 + .1x ? 1200 To solve for x, first subtract 300 from both sides, then divide both sides by .1(10%).
January 20, 2017

maths
I am assuming that it is 1.5%. 52,000 * .015 = ?
January 20, 2017

Science
The distances between planets are too great.
January 19, 2017

math (?)
What triangles?
January 19, 2017

Menchville (?)
"JAMES"?
January 19, 2017

discret
It would help if you proofread your questions before you posted them. Spaces? Online "^" is used to indicate an exponent, e.g., x^2 = x squared.
January 19, 2017

Math
Each number has the probability of 1/8. Do you need to change that to a percentage?
January 19, 2017

Health
Read through this to find which applies. http://psychcentral.com/lib/15-common-defense-mechanisms/?all=1
January 19, 2017

Statisticians Interview only
I am a psychologist who uses some statistics. Will that help?
January 19, 2017

Bio
The heart pumps it. I searched Google under the key words "blood circulation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Blood+circulation&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more quickly, ...
January 19, 2017

Math
If x = # dogs and y = $, you are right.
January 19, 2017

math
42 ft = 504 inches 504/31 = approx. 16 bricks high 400/16 = 25 bricks long Take it from here.
January 19, 2017

Maths
M + 49 = R/2 M+49 + R/2 = 338 Substitute R/2 for M+49 in the second equation and solve for R.
January 19, 2017

math
Ratios are 2/4, 3/6, 10/20 and 6/24, respectively. Reduce them.
January 18, 2017

math
See following post.
January 18, 2017

Biology
I agree with your answer.
January 18, 2017

math
Divide formula by the largest factor that can go into all terms. 3x(x^2-4)
January 18, 2017

Math
Assuming they all travel in one vehicle (a bus?): 10 + 10x = 660 Solve for x.
January 18, 2017

Algebra
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. What is your question?
January 18, 2017

6th Grade Math
.6(y/12)(2/3z) What is your question?
January 18, 2017

Geometry
Four 90 degree angles are formed by intersecting perpendicular lines.
January 18, 2017

Math
11 + .21m = 20 + .10m Solve for m.
January 18, 2017

maths
15/p = 3 Solve for p.
January 18, 2017

Algebra
It would help if you proofread your questions before you posted them. Insufficient data.
January 18, 2017

Algebra 2
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. Multiply that by 200.
January 18, 2017

Math
5 + .8W ? 36 Solve for W.
January 18, 2017

math
Is it [(5-2)*.5][(4-2)*.5](63) or 5(-2*.5)4(-2*.5)(63)? Assuming the former, = (3*.5)(2*.5)(63) = (1.5)(1)(63) Take it from there.
January 18, 2017

value
It would help if you proofread your questions before you posted them. Need to know units. 50 what? "63 persquare" what?
January 18, 2017

Triangles math
No, first triangle at 50% would have sides half of the original. Second would have sides 3 times the original. Third would have sides 5 times the original.
January 18, 2017

Data analysis statistics and probability
Subtract each month from the previous month and compare.
January 17, 2017

math
It would help if you proofread your questions before you posted them. "if the...?" 6 3-inch diameter circles can be cut within a 6 by 9 inch sheet.
January 17, 2017

mathematics
It would help if you proofread your questions before you posted them. "tsh32850"?
January 17, 2017

math (?)
What is the significance of the colons (:)?
January 16, 2017

Maths
1 m^2 = approx 1.2 sq. Yards. 14 * 1.2 * 18 = ?
January 13, 2017

Math
N = 4P N - P = 30 Substitute 4P for N in the second equation and solve for P.
January 12, 2017

Math
It would help if you proofread your questions before you posted them. 220 - 220/4 = 220 - 55 = 165 Assuming that you mean 20% of the remaining cards, 165 - .2(165) = 165 - 33 = 132 132 - 15 = 117
January 12, 2017

Math (?)
You need to include the original problem, so we have some idea about what you are asked.
January 11, 2017

Math, Algebra
If he sent 100 texts each month, that is a total of 400 texts during the 4 month period. 4(45.99) + 400x = 207.96 183.96 + 400x = 207.96 400x = 24 x = .06
January 11, 2017

Math
Welcome
January 11, 2017

Math
agree 1-3. 4. Assuming 2/2 is the power for 14-2, 2/2 = 1. What is any value to the first power? If formula was (5(14-2)^2)/2, then you are correct. agree with 5.
January 11, 2017

ELA
That's an adverb, modifying feed.
January 11, 2017

Probability
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 9/56 * (9-1)/(56-1) * 7/(56-2) * (7-1)/56-3) = ? Which formula would fit best?
January 10, 2017

math
12*6*3 = ?
January 10, 2017

math
https://www.google.com/search?client=safari&rls=en&q=division+of+fractions/+reciprocals&ie=UTF-8&oe=UTF-8
January 10, 2017

science
Cannot diagram here.
January 9, 2017

mosab bin omair
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. I cannot make sense of your question. Maybe someone with physics/chemistry background could. Online, “*” is used to indicate ...
January 9, 2017

Math (?)
It would help if you proofread your questions before you posted them. "? of the students were 8th graders".
January 8, 2017

Math
Is this the elimination method? Multiply by 24. 6n - 4m = -24 Multiply by 10. 2m + 5n = 100 Multiply second equation by 2. 10n + 4m = 200 Add the two equations. 16n = 76
January 8, 2017

Maths (?)
It would help if you proofread your questions before you posted them. "...$2000 per year for ? years...."
January 6, 2017

math
Get an equation in terms of just one of the values. q = 2n-8 = 2(2d-2)-8 2(2d-2)-8 = 1.60 + 4(2d-2+d) Solve for d, then n and q.
January 5, 2017

math (?)
No drawing. Cannot copy and paste here.
January 5, 2017

Math
d = 3q+8 .10d + .25q = 12.20 .10(3q+8) + .25q = 12.20 Solve for q, then d.
January 5, 2017

Edit/Revise
"it is faster than using the DVD drive" I don't know about others, but I just slip my DVD into the DVD drive in the side of my iMac to play or record. Very easy. No noise either. If this is true for other computers, do you want to use those points for your ...
January 4, 2017

Math
How do you get it "5 cm wide... cut from all around" when it only measures 2 cm in one direction? As far as I can tell: The area cut would be 5*2 = 10 cm^2 The remaining area would b3 25*2 = 50 cm^2
January 3, 2017

Maths
It would help if you proofread your questions before you posted them. "rat angled"? https://www.google.com/search?client=safari&rls=en&q=scalene+triangle+definition&ie=UTF-8&oe=UTF-8
January 3, 2017

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