Saturday
October 25, 2014

Posts by PsyDAG


Total # Posts: 18,541

Alegbra
x = 5000-y .05x + .08y = 331 Substitute 5000-y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation. Where can I find those interest rates?
March 10, 2014

Math (?)
What is your question?
March 10, 2014

math(QUESTION)
Agree
March 10, 2014

psychology
Since there are so many variables in personal interaction, it might be best to use several recorded requests (same content) from both genders and have doctors respond to them. To make is double blind, a third party would be the only one who knows the gender of the speakers, ...
March 10, 2014

operations and supply
Since this is not my area of expertise, I searched Google under the key words "master production schedule" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=master+production+schedule&ie=UTF-8&oe=UTF-8 In the future, you can find the...
March 10, 2014

statistics
I'm not sure what you might be asking. 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.
March 10, 2014

algebra
Cannot copy and paste here.
March 9, 2014

algebra (?)
No drawing seen. Cannot copy and paste here.
March 9, 2014

Statistics
Is that value the Z score or the probability? Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.095) and its Z score.
March 9, 2014

Child Care
Here are some methods for learning this, but I agree the Pre-K is probably too young for them to absorb the lesson. http://drdavespsychologypage.homestead.com/Prejudice__Us_vs_Them.pdf http://drdavespsychologypage.homestead.com/Prejujdice__Causes_and_Solutions.pdf http://...
March 9, 2014

Statistics
The mean serves as a fulcrum or balance point for a distribution. Therefore the difference from 30 must be the same on both sides. A wide variation of values could fit both situations. However, in the second situation, all scores could be 30.
March 9, 2014

math
40 * $7.60 = ?
March 8, 2014

Algebra 1
Assuming that there is no door or the door is painted as part of the wall: Ceiling = 9 by 7 = ? Opposite walls = 2(8*7) + 2(8*9) = ? Combine all of above and divide by 275. Any fraction would be left over.
March 8, 2014

Algebra 1
There are 89 two-digit numbers (10-99). The tens digits are higher in 10, 20, 21, 30, 31, 32 etc. Count them up.
March 8, 2014

Algebra 1
Since only the middle group have iPhones, 12%.
March 8, 2014

Math
Online "^" is used to indicate and exponent, e.g., x^2 = x squared. f(x) = 2x^2 – 3 = 2*2*2 - 3 = ?
March 8, 2014

Statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 3/8 * 3/8 = ? 3/8 * (3-1)/(8-1) = ?
March 8, 2014

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. OR… http://davidmlane.com/hyperstat/z_table.html
March 8, 2014

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.
March 8, 2014

math
y = (9 * 11 * 11) + 9 = ?
March 7, 2014

Science
It's a start, but I will let you elaborate it.
March 7, 2014

Science
Travel at miles per hour, feet per second or meters per minute? If you have a value of ten for each, they would be distinctively different.
March 7, 2014

Statistics
If the experiment involves two independent variables, the possibility of an interaction between the variables can be measured.
March 7, 2014

Algebra word problem
(7*6) - 2^2π = ?
March 7, 2014

Algebra
420 + .07(420)x > 552 + .04(552)x Solve for x.
March 7, 2014

Algebra
(6 * 9) - π4^2 = ?
March 7, 2014

Asking For Your Opinion:
"I personally don't like how the language sounds and its mechanics." That is what you will learn by taking the courses.
March 7, 2014

Asking For Your Opinion:
Consider what language — other than English — that you would be most likely to use. If that is French, go for it.
March 7, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "enzyme tests" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=enzyme+tests&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more...
March 7, 2014

Science
https://www.google.com/search?client=safari&rls=en&q=tiger+quolls+habitat&ie=UTF-8&oe=UTF-8
March 7, 2014

mathematics.
1/4
March 7, 2014

math
(6-4.5)/4.5 = ?
March 7, 2014

math
Check = -$8.98 Deposit = +$8.98 Difference between the two: $8.98 - (-$8.98) = ?
March 6, 2014

Algebra
(x-7y)(x+3y)
March 6, 2014

prealgebra
V=πr^2h 525 = 7πr^2 Insert the value you want for π (pi), calculate r, then double that to find diameter.
March 6, 2014

Algebra
Find factors of -28 that will add to -3.
March 6, 2014

science
Dominant traits will perpetuate, while recessives may not.
March 6, 2014

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. Different names will not make it speedier either.
March 6, 2014

math
(x-5)(x-3) = 0 x = 5,3
March 6, 2014

Math
1/3 + 5/6 = 2/6 + 5/6 = 7/6 = 1 1/6
March 6, 2014

Math
If the triangle is equilateral, then: 5x - 7 = 2x + 5 Solve for x.
March 6, 2014

MAT-134 Math XL
9x^4(x^2-7x+4)
March 6, 2014

Science
mitosis
March 6, 2014

Math 100
Isn't gross sales identical to plan B? 12(2400) + .09(2400)12 > 32000
March 6, 2014

math 100
2x>3x-40 An inequality is treated just like an equation, except that multiplying/dividing by a negative value reverses the carat (< to >). -x > -40 x < 40
March 6, 2014

Biology -Genetics
False, they are also found in all body cells, except only the males have Y.
March 5, 2014

math
3/7 three chances out of seven
March 5, 2014

Math
You are welcome!
March 5, 2014

Math
a. (1 - .25) 10 = x b. 1.25x = 201 Solve for x.
March 5, 2014

Spanish
Qué
March 5, 2014

Science
What about spiral shaped?
March 5, 2014

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. See your later post.
March 5, 2014

6th grade science
The gene for hemophilia is sex-linked, a recessive on the X-chromosome. The daughter must have both Xs with the gene, while the son does not have the gene on his X chromosome. With that information, you should be able to get the parental genotypes.
March 5, 2014

statistics (?)
What null hypothesis do you want to consider?
March 5, 2014

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.
March 5, 2014

science
The process of body cell replication. https://www.google.com/search?client=safari&rls=en&q=mitosis&ie=UTF-8&oe=UTF-8
March 5, 2014

science (?)
What is a "prac"?
March 5, 2014

science
Since this is not my area of expertise, I searched Google under the key words "newtons first law" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=newtons+first+law&ie=UTF-8&oe=UTF-8 In the future, you can find the information you ...
March 5, 2014

Math (?)
We haves no idea of the arrangement, especially the corners.
March 4, 2014

math
Temperature > -20º F
March 4, 2014

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. See your later post.
March 4, 2014

Math 3
Population is the total group, while the sample is a portion of that total.
March 4, 2014

math Standard deviation
Z = (score-mean)/SD Insert values and calculate.
March 4, 2014

math probability
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.
March 4, 2014

math
360 * .80 = ?
March 4, 2014

algebra
A = 450 - C 70A + 40C = 27750 Substitute 440-C for A in second equation and solve for C. Insert that value into the first equation and solve for A. Check by inserting both values into the second equation.
March 3, 2014

home,school &COMMUNITY
Also, please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you.
March 3, 2014

Algebra help PLEASE?
V = π*r^2*h Insert values and calculate.
March 3, 2014

math
Divide the amount of change by the original amount. (4-12)/12 = ? (20-15)/15 = ?
March 3, 2014

Math oops
3.5y = 10.5 - 2.1 = 8.4 y = 8.4/3.5 = ?
March 3, 2014

math
(76 - 51)/76 = ?
March 3, 2014

Math
7/8(20) = 17.5 1/4x = 17.5 Solve for x.
March 3, 2014

math
What is 1/2 as decimal or percent?
March 3, 2014

Math (?)
Possibly it might signify the volume of a cylinder. Cannot solve without equal sign for an equation. To simplify, multiply the terms.
March 3, 2014

Spanish
With my basic Spanish: How do you want the means of communication to be/function?
March 3, 2014

Chem needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
March 3, 2014

math
We cannot show visual models on the posts. Draw a diagram?
March 3, 2014

science HELP ASAP!!!!!!!
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.
March 3, 2014

Algebra
L = 2W + 3 2L + 2W = 72 Substitute 2W+3 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.
March 2, 2014

psychology
Agree
March 2, 2014

interpersonal communication
http://drdavespsychologypage.homestead.com/Relationships__Starting_and_Continuing.pdf
March 2, 2014

interpersonal communication
You cannot copy and paste here.
March 2, 2014

education (?)
What business plan? 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.
March 2, 2014

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. Percentile rank is the proportion below a particular score. OR… http://davidmlane.com/hyperstat/...
March 2, 2014

math
Mode = most frequently occurring score(s) Median = arrange in order of value, then find middle-most score. Mean = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of ...
March 2, 2014

Dividing decimals
Move decimal place one to the right for both and then proceed with normal long division.
March 2, 2014

Statistics (?)
Data missing.
March 1, 2014

Statistics
99% = mean ± 2.575 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. To include each end, double proportion.
March 1, 2014

SAT prep help
-2x+5=2-5+2x Put like terms on the same side of the equation by adding 3 and 2x to both sides. 8 = 4x
March 1, 2014

science (?)
It would help greatly to know the context of the term.
March 1, 2014

Pys 202
a case study?
March 1, 2014

Geometry
V = hπr^2 h = V/πr^2 Insert values and solve for h.
February 28, 2014

science
Average about 28 days. Diagram lacking. You cannot copy and paste here.
February 28, 2014

math (?)
No line of best fit. You cannot copy and paste here.
February 28, 2014

Biology
agree
February 28, 2014

statistics
Either-or probabilities are found by adding the individual probabilities. .43 + .14 = ?
February 28, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "transcription molecules" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=transcription+molecules&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
February 28, 2014

Math (?)
Graphs not shown, Cannot copy and paste here.
February 28, 2014

math
C = πd d = 2r In your case: C = 50 * π * 2r Insert values and calculate for C
February 28, 2014

Math (?)
What is "your original set"?
February 28, 2014

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