Saturday
May 30, 2015

Posts by PsyDAG


Total # Posts: 19,898

math-algebra
m^6n
January 28, 2015

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 28, 2015

English
…therefore they're going…. It looks like you already have this "put together." Are you concerned specifically with Ashley's, or are you just using Ashley's as a specific example of an agreement? I don't think the furniture has to be paid by ...
January 28, 2015

Math
If % < 100%, it is less than number. If % > 100%, it is more than number. If % = 100%, then =.
January 27, 2015

algebra 2
It would help if you proofread your questions before you posted them. How high is the diving board?
January 27, 2015

Math - Problem solving
agree
January 27, 2015

photography needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
January 27, 2015

mathematics literacy
It would help if you proofread your questions before you posted them. If Ed has 8/3, there is no pie left, and he ate two other pies. I assume you mean 3/8. 1 - 3/8 - 1/5 - 1/4 = x Convert to decimals and calculate. 1 - .375 - .2 - .25 = x
January 27, 2015

i need help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts ...
January 27, 2015

Math
1. 1,500,000,000/2,000,000 = 1,500/2 = ? 2. What is the size of a dollar bill? 3. 6,700,000,000 feet There are 5280 feet in a mile.
January 27, 2015

ALGEBRA
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.
January 27, 2015

psychology
Perhaps this will make things even clearer. http://drdavespsychologypage.homestead.com/Astrology_Fiction.pdf
January 26, 2015

geometric
L + 1 = W 2L + 2W = 106 (perimeter) Substitute L+1 for W in the second equation and solve for L. Insert that value into the first equation to solve for W. Check by putting both values into the second equation.
January 26, 2015

Science
Insufficient data. What hypothesis are you testing?
January 26, 2015

math
L = W + 5 L * W ≥ 84 Substitute W+5 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 26, 2015

algebra
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. [(1.9*106)/(2.62*105)]+7.96 = (201.4/275.1) + 7.96 = .732 + 7.96 = ?
January 26, 2015

Math
Assuming Don has no other expenses (which is unlikely in real life): $500 + $120 + $150 < salary
January 26, 2015

1 step and 2 step equations
First two are correct. -y/7 = 18 Multiply both sides by -7. 14z = 56 Divide both sides by 14.
January 26, 2015

math
What is your question?
January 26, 2015

algebra
red = .5x blue = .2x Yellow = .3x This is the best I can do with your data.
January 25, 2015

Math
2/3(840) = train ticket 1/2(840 - train ticket) = food Add the two answers.
January 25, 2015

algebra
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Do you mean this? (5x^2 - 3^2)/(3^2-2^2) Or this? (5 * 2 - 3^2)/(3^2-2^2) Or something else?
January 25, 2015

stats
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Assuming that the person does not have more than 3 horses in the race: 1/13 * 1/12 * 1/11 = ?
January 25, 2015

History
History is an interpretation of evidence. It provides a meaning and EXPLANATION why history has caused a big impact on our life today. At one time, every EVERY? nation tried to vanquish one another that generated the two world wars. Likewise, status, race, gender, love, labor ...
January 25, 2015

math
8 * 7 = 56 7 * 6 = 42 6 * 5 = 30 5 * 4 = 20 4 * 3 = 12 (This one was missing.) 3 * 2 = 6
January 25, 2015

statistics
(300-40)/300 = ?
January 24, 2015

statistics
I almost didn't answer your post, because "statics" relates to physics. If you want to shorten statistics, stats would be better.
January 24, 2015

statics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.0125) and its Z score. Z = ±2.24 Mean = (48-42)/2 = ? Z = (score-mean)/SD Insert values for Z, score and mean to solve ...
January 24, 2015

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1/161*10/100*20/100 = 1/161 * .1 * .2 = .00012 = .012% ≠ 1.2%
January 24, 2015

statistics
4,1 1,4 2,3 3,2 4/36
January 24, 2015

statistics ?
80% + 40% = 120% How can you get more than 100%?
January 23, 2015

Math Help
1/2 hour = 30 minutes 19/30
January 23, 2015

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.
January 23, 2015

math
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.
January 23, 2015

college algebra
What is your question?
January 23, 2015

Statistics
1 - .8907 = .1093 However, if you find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability in the smaller area of Z = 1.23, you won't need to bother to subtract.
January 23, 2015

Math (Statistics)
Actually doing the experiment?
January 23, 2015

earth
A=4πr^2 V=4/3πr^3 A/V = 4πr^2/(4/3πr^3) Some of the terms cancel each other out. 4πr^2/(4/3πr^3) = 1/3r
January 23, 2015

math
I assume the tickets were for a lottery. If the payoffs are the same, your chances are of winning are better with more tickets.
January 23, 2015

math
One in each corner plus one in the middle of each longer side.
January 22, 2015

LAW
The two variables are positively correlated, one varies directly with the other. Does that help?
January 22, 2015

Math
Insufficient data.
January 22, 2015

Math
x ≤ 8. "≤" = less than or equal to. Anything 8 or less.
January 22, 2015

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. y = 7 * 4x linear
January 22, 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.
January 22, 2015

HELP!
There are typically fewer predators than prey.
January 22, 2015

STATISTICS(PLEASE READ)
6 * 365 = 2190 days 2.5 * 365 = 912.5 days What criterion are they using for the warranty? Mean? Mean + 1 SD? Mean + 2 SD?
January 22, 2015

Algebra
89 + 135 + c = 325 Calculate for c.
January 22, 2015

math
What is your question? I'm guessing. (5 - 2x)(3 - 2x) = 12 Solve for x.
January 22, 2015

algebra
Multiply both sides by x. 3 - x + 1 + x = 4 4 = 4
January 22, 2015

maths
It would help if you proofread your questions before you posted them. From 11 to what?
January 22, 2015

statistics
mean = ∑x/n = (.310 + .301 + .277)/3 = ?
January 22, 2015

biology
Rr for both. Check with Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
January 22, 2015

Math
3 * 1/12 = ?
January 22, 2015

math
No numerical data given, so I would say none.
January 22, 2015

math
If the length was increased, the width would need to be decreased to have the same area.
January 22, 2015

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. With each draw, there is one less sock total. 5/10 * 3/9 * 2/8 = ?
January 21, 2015

Math
(1 - .2)x = 72 Solve for x.
January 21, 2015

stat
mean = ∑x/n Calculate both means and subtract one from the other.
January 21, 2015

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (1/4)^2 = ?
January 21, 2015

Math
How do the proportion of $9 tickets compare to $5 tickets?
January 21, 2015

Math
Bags * apples * ounces = Total
January 21, 2015

Math
purple/total colors = ?
January 21, 2015

math
It would help if you proofread your questions before you posted them. What is the statement?
January 21, 2015

Science
Disagree.
January 21, 2015

Math
25 > 14 ?
January 21, 2015

statistics
http://support.minitab.com/en-us/minitab/17/topic-library/basic-statistics-and-graphs/introductory-concepts/data-concepts/cat-quan-variable/
January 21, 2015

public speaking
Depending on the definitions of "street," I would disagree. If one person is the speaker, and one or more are just listeners, it would be a "one-way street, e.g., listening to radio or TV. There is no communication in the opposite direction, which is needed to ...
January 21, 2015

psychology
Not knowing Ms.Sue's response, Consider tornadoes, floods, earthquakes, etcetera.
January 21, 2015

Math
Amy = 15/3 per hour John = 30/5 per hour
January 21, 2015

Math
No. 14 - 4 = 10
January 21, 2015

math
Let x = kids' price, then 2x = adults'. 5x + 3(2x) = 60 Solve for x.
January 21, 2015

check?
Although this is not my area of expertise, I do have one comment. 1. "same" = uniform
January 21, 2015

Biology
If only two alleles of one gene are involved, it would be monohybrid. Since curly-winged is heterozygous, curly would be dominant, Cs. Assuming straight-winged is homozygous, ss. Take it from there.
January 21, 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. Possibly this will help: An independent variable is the potential stimulus or cause, usually...
January 21, 2015

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.
January 21, 2015

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Both boys = 60/120 * 59/119 = ? Same for both girls. Either-or probabilities are found by adding the individual probabilities.
January 20, 2015

math
x - y = 4 Add y to both sides. x = y + 4 x + y = 12 Substitute y+4 for x in last equation and solve for y. Insert that value into the first equation and solve for x.
January 20, 2015

Algebra
Simplify? Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 25-2(8-2x^3)-4 = 25 - 16 + 4x^3 - 4 = 4x^3 + 5
January 20, 2015

statistics(please answer!)
What is c?
January 20, 2015

literature
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. The most obvious form of discrimination is BASED ON skin color. Crooks is segregated BECAUSE of his skin shade. “They play cards in ...
January 20, 2015

6TH GRADE MATH
Disagree. After she spends 235, she still winds up with 1500? D has a typo = -1,265
January 20, 2015

Algebra
To get x alone on one side, you have to subtract 8 from both sides. x + 8 - 8 = -15 - 8
January 20, 2015

english
I'll start you out. Sucking blood, sleeping in a coffin….
January 20, 2015

Biology
What is your choice?
January 20, 2015

story problem
Assuming that "more" does not mean "more than 350," 600 - 350 = ?
January 20, 2015

Science
I don't know about grasshoppers, but with humans, sex-linked genes only occur on the X chromosome. http://www.biologycorner.com/bio2/genetics/notes_incomplete_dominance.html In the future, you can find the information you desire more quickly, if you use appropriate key ...
January 20, 2015

statistics
It definitely would not be effective.
January 19, 2015

math
Factor both dimensions. 60 = 2 * 2 * 3 * 5 48 = 2 * 2 * 3 * 2 * 2 The squares can be 2 by 2, 3 by 3 or 4 by 4. Which gives the "least number"?
January 19, 2015

7th grade math
-6r - 8 = -6r - 8 agree. 14 + 8w = 32 + 8w 14 = 32 Agree.
January 19, 2015

Math
12m +12 = 18m + 18 Subtract 12m and 18 from both sides of the equation. -6 = 6m -1 = m
January 19, 2015

alegebra1
V= lwh/3 = (base^2h)/3 Insert values and solve.
January 19, 2015

Science
Since this is not my area of expertise, I searched Google under the key words "continental drift theory evidence" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=continental+drift+theory+evidence&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the...
January 19, 2015

algebra
70 - 40 = 30 50 - 40 = 10
January 18, 2015

Health/Brain Tumors
It will depend on how large the tumor is and where it is.
January 18, 2015

Statistics
Either A or B could be used, but the histogram would be easier to analyze.
January 18, 2015

Math
"hire" = entire? .75($500 + 22*$250) = ?
January 17, 2015

statistics
Probability is not a percentage. Change format to decimal. Either-or probabilities are found by adding the individual probabilities. General = (100-30-49-13)/100 = ? Not computer = (100-30)/100 = ? If the events are independent, the probability of both/all events occurring is ...
January 16, 2015

add more plz
What methods will you use to "fight for civil rights"? Also, you mention your responsibilities but do not discuss you rights. Possibly this might help: http://drdavespsychologypage.homestead.com/Assertive_Rights.pdf
January 16, 2015

science
Since this is not my area of expertise, I searched Google under the key words "arguments against extending human life" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=arguments+against+extending+human+life&ie=UTF-8&oe=UTF-8&gws_rd=...
January 16, 2015

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