Friday
July 1, 2016

Posts by PsyDAG

Total # Posts: 22,027

Math
I assume you are adding 7 + 8 = 15 Carry the 1 to the tens column. 1 + 1 + 3 = 5 17 + 38 = 55
August 27, 2015

math
(5 + 15)/100 = ?
August 26, 2015

biology
Since this is not my area of expertise, I searched Google under the key words "protein vs. complex carbohydrate" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=protein+vs.+complex+carbohydrate&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
August 26, 2015

fundamentals math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
August 26, 2015

fundamentals math
(2/12)^2 = ?
August 26, 2015

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (3/8) * (3-1)/(8-1) = ?
August 26, 2015

Algebra
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Assuming no typos (either yours or the text): Get rid of parentheses first. 42 - 2(3*5+1) = 42 - 2(16) = 42 - 32 = 10 42 - 2 ≠ 39
August 26, 2015

Math Equations
z^2 + 4z + 3 = (z+1)(z+3)
August 26, 2015

Psyc
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, Punnett square is treatment/no treatment vs. gender. I'll leave the rest to you.
August 26, 2015

PSY 202
You cannot copy and paste here.
August 26, 2015

Math
Cannot be multiple of 7 or 3. How high do you want to go?
August 24, 2015

math
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Cannot do Venn diagram here.
August 24, 2015

Biology
Since this is not my area of expertise, I searched Google under the key words "effectors of peptide folding" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=effectors+of+peptide+folding&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, ...
August 24, 2015

Science
"String telephone" not specific enough. The thickness and tension of the string and what it is made of would be controlled variables. Audio level (db) would be more specific.
August 23, 2015

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/17 * 1/16 * 1/15 * 1/14 = ?
August 23, 2015

physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 23, 2015

MATH
C is one of 8 letters in the word, Canadian = 1/8
August 23, 2015

Math
This would mean that .8 lbs is 1/5 B.
August 22, 2015

Math
180º - 50.7º = ?
August 20, 2015

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (x+y)^2 = (x+y)(x+y) Multiply them out.
August 20, 2015

Life Science
What is your question?
August 20, 2015

science
It would help if you proofread your questions before you posted them. Cannot understand.
August 20, 2015

math
The process looks good, but you haven't given the reasons.
August 19, 2015

Math
$175/7 = $25 per week $375/15 = $25 per week $25(#weeks) = total
August 19, 2015

math help
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. A minus times a plus = a minus. Otherwise, just multiply it out.
August 19, 2015

Math
No drawing. Area = length * Width Area = (3*30)(5*30) = ?
August 19, 2015

algebra
-2^2 = 4 (3*4) - 7 = ? Work it from there.
August 19, 2015

math
2675 * .16 = ?
August 19, 2015

math
What is the largest number that can be divided into both 70 and 525 with no remainder? Since 525 ends in 5, the side must end in 5.
August 18, 2015

Health
Agree
August 17, 2015

education
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.
August 17, 2015

Science
agree
August 17, 2015

Math
Since it is between 2,000 and 3,000, the thousands number must be two, so ones = 2 * 4 = 8 Let hundreds place = x, then tens = x+1. 2 + x + x+1 + 8 = 21 However, none of the digits are the same.
August 17, 2015

math
200 * .0525 = 10.5
August 15, 2015

Algebra 1
What equation? Cannot copy and paste here.
August 14, 2015

statistics
a, b, c. 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 related to the Z scores. d, e. Find table in the back of your statistics text labeled something ...
August 14, 2015

Math
Assume that 90 is the mean. mean = ∑x/n = (83+85+92+86+87+x)/5 = ? n = 5, because "the last two scores would be counted as one score." Solve for x.
August 13, 2015

Math
More data needed.
August 13, 2015

Maths
each side = 19.5/3 = 6.5
August 13, 2015

math?
Two ways of what? 1100 550*2? 275*4? 11*100? 2200/2 ?
August 13, 2015

statistics
First Ace = 4/52 Second Ace = 3/51 Queen = 4/50 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
August 12, 2015

stastistics
Assuming a red ball is chosen on first draw, P(w) = 2/4 Assuming a white ball is chosen on first draw, P(w) = 1/4 Either-or probabilities are found by adding the individual probabilities.
August 11, 2015

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 ...
August 10, 2015

psychology
Since nuture (culture) is different, the similarities are most like to be due to nature.
August 10, 2015

English
Since this is not my area of expertise, I searched Google under the key words "1984 by george orwell summary" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=1984+by+george+orwell+summary&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future...
August 10, 2015

Psychology
Here are some possible sources. https://www.google.com/search?client=safari&rls=en&q=piaget+developmental+stages&ie=UTF-8&oe=UTF-8&gws_rd=ssl Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.
August 10, 2015

Math
(x+5)^2 = (x+5)(x+5) = ?
August 9, 2015

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 8, 2015

Math
Cannot see triangle. You cannot copy and paste here.
August 7, 2015

Life sciences
If that is the typical temperature of the human body, why would you use a different temperature outside the body?
August 6, 2015

Languages Art
You cannot copy and paste here.
August 6, 2015

Languages Art
No choices given.
August 6, 2015

diamond academy
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What is your question?
August 6, 2015

Math
1 Mile = 5,280 feet 5,280 * 8.2 * 12 = ?
August 5, 2015

MTH 156
2^6 * 2^7 = 2^13
August 5, 2015

MTH 156
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.
August 5, 2015

Math
If x = apprentice $, then journeyman = 3x and master = 3x * 1.5 x + 3x + 4.5x = 5100 Solve for x, then the others.
August 5, 2015

ithala
What is your question?
August 5, 2015

math
Which methods? Here is 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 of your statistics text ...
August 4, 2015

MATH
Data missing.
August 4, 2015

geometry
Perimeter = 2(2x) + 2x I assume you want to compare it to the AREA of the parking lot. Area = 2x^2
August 4, 2015

Math
A = πr^2 Insert values and solve for r.
August 4, 2015

Politics?
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Which campaigns and which protests? Try Googling "campaign process" and "protest process."
August 3, 2015

stats
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.
August 2, 2015

Statistics
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.
August 1, 2015

Statistics
Z = (score-mean)/SD a, b, c. 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. d, e. Find table in the back of your statistics text labeled something like...
August 1, 2015

physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
July 31, 2015

math
You can't do long division? 101
July 31, 2015

Algebra 2
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. I see an equation, but I don't see any method. Where are your unknowns?
July 30, 2015

science
How about the diffusion caused by the atmosphere?
July 29, 2015

computer
Since this is not my area of expertise, I searched Google under the key words "branching statement computer" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=branching+statement+computer&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, ...
July 29, 2015

computer
Use process shown in your later post.
July 29, 2015

Statistics
What Studies?
July 27, 2015

Statistics
Z = (score-mean)/SEm = (11.7-12)/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 (.01) related to the Z score.
July 27, 2015

science
disagree.
July 26, 2015

science
What subject? Besides, 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.
July 26, 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
July 26, 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
July 26, 2015

stats
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.
July 26, 2015

stats
95% = 490 ± (490-260)
July 25, 2015

math
Multiply numerator and denominator by same number, e.g., 12/22, etcetera.
July 22, 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.
July 22, 2015

Probability
(1-.12) * .08 = ?
July 21, 2015

Science
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. More data needed.
July 21, 2015

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.
July 20, 2015

Statistics
Use same process as in you first post, but for ±.025.
July 20, 2015

Statistics
98% = mean ± Z 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 (±.01) and its Z score. Insert data and calculate.
July 20, 2015

math
See Smith's posts.
July 20, 2015

math
8/2 = 4, so it is reduced by a factor of 4. The same would be true for the length.
July 20, 2015

math
See Smith's posts for process.
July 20, 2015

math
Are you Keon or Smith or both? If both, only use one address. See Smith's answers.
July 20, 2015

math
Use same process.
July 20, 2015

math
Move -2.75 to the left side.
July 20, 2015

math
Use process shown in previous post.
July 20, 2015

math
(15 * 20)/2.5 = ?
July 20, 2015

math
1.5 * 4 * 7 = ?
July 20, 2015

maaaath
His cost is 650/250 = 2.6 per apple No idea of his selling price, since I don't know how much his markup is.
July 19, 2015

Business Stats
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 scores. Z = (score-mean)/SEm SEm = SD/√n
July 19, 2015

science
Bake one batch with brown and one with white to compare thinness.
July 19, 2015

science
What is your hypothesis? 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.
July 19, 2015

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