Saturday
August 29, 2015

Posts by PsyDAG


Total # Posts: 20,134

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. (6*10^9)/(2*10^6) = 3*10^3 6/2 = 3
April 12, 2015

ALGEBRA
Lacking data.
April 12, 2015

Science
What image? Cannot copy and paste here.
April 12, 2015

Math Help
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1/5 = .2 1/5 * 13,500 = 2,700 Either divide 13,500 by 5 or multiply by .2
April 12, 2015

leal aspects of health information
Since this is not my area of expertise, I searched Google under the key words "fraudulent billing types" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=fraudulent+billing+types&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can ...
April 12, 2015

Math
1/20 - 1/40 = 1/40
April 12, 2015

Maths
(1- .83)x = 1870 Solve for x.
April 12, 2015

Math
No diagram. Cannot copy and paste here.
April 12, 2015

statistics
Do not have calculator. (a) Find the mean first = 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 scores to get variance. Standard deviation = square root of ...
April 11, 2015

Statistics
"Studded"? What were their gender scores before segregation?
April 11, 2015

Statistics
See later post, but use ±.05 for Z score.
April 11, 2015

math
two-dimensional, months vs. rainfall
April 11, 2015

math
Total degrees = 360º 2+4+6+8 = 20 Divide 360º by 20, then multiply by various ratios.
April 11, 2015

math
W * L = 40 L = 40 - W 2L + 2W = 26 Substitute 40-W for L in the third 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. For the last question, try halving one of the dimensions.
April 11, 2015

Math
You are welcome.
April 10, 2015

Math
(3.75+.5)(2+.5) - (3.75*2) = m^2 for border. Multiply that answer by $20.
April 10, 2015

maths
What is your question?
April 10, 2015

statistics
A only indicates studying 2 out of the seven days.
April 10, 2015

statistics
Agree.
April 10, 2015

psych
Disagree.
April 10, 2015

statistics
Assuming that the margin of 4.0% is for the depositors, at 1.0% depositors = 8 ± 4, while for 3.0%, depositors = 36 ± 4. Is my assumption valid? If so, I disagree.
April 10, 2015

statistics
Does the nurse know who is in which group? If so, B is correct.
April 10, 2015

biology
To maintain a balance, you have to sense imbalance, so you can return to the homeostatic state.
April 10, 2015

English
agree.
April 9, 2015

science
Since this is not my area of expertise, I searched Google under the key words "biotic and abiotic composition" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=biotic+and+abiotic+composition&ie=UTF-8&oe=UTF-8&gws_rd=ssl#rls=en&q=...
April 9, 2015

math
x ≥ 3 2x ≥ 6 etc….
April 9, 2015

Math
L = 2W-5 L * W = 88 Substitute 2W-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.
April 9, 2015

math
Isn't that what I indicated?
April 9, 2015

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 12 * 3/4 is right.
April 9, 2015

math
Right.
April 9, 2015

math
Supplementary angles add up to 180º.
April 9, 2015

algebra
464 - 215 - 89 + 31 = ?
April 9, 2015

Algebra
6. x + 3x + 54º = 180º 11. x + 3x = 112 Solve for x.
April 9, 2015

Psychology
Although I know the theories, I have little or no knowledge of celebrity couples.
April 9, 2015

statistics
What criterion are you using to compare? If the distribution is relatively normal: 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 score and mean ...
April 8, 2015

Science
With your limited data, I would assume that there are no left-handed persons in her lineage.
April 8, 2015

Math
What letters? You cannot copy and paste here.
April 8, 2015

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 3/6 * 2/4 = ?
April 8, 2015

Biology
Since this is not my area of expertise, I searched Google under the key words "roles restriction enzymes play in transformation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=roles+restriction+enzymes+play+in+transformation&ie=...
April 8, 2015

Statistic
Need to know some measure of variability.
April 8, 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.
April 8, 2015

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.
April 7, 2015

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. y = 2x^2 y will have the same value whether the same x value is positive or negative.
April 7, 2015

Math
100s =12000 Solve for s.
April 7, 2015

psychology
I searched Google under the key words "psychoanalysis tenets" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=psychoanalysis+tenets&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire more quickly, ...
April 6, 2015

Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.025) and its Z score. For 99%, use ±.005. 95% = mean ± Z SEm SEm = SD/√n
April 5, 2015

statistics
What is your question?
April 4, 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. See your later post.
April 4, 2015

Music
Since this is not my area of expertise, I searched Google under the key words "how to compose music" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=how+to+compose+music&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
April 4, 2015

project child care
Not unless you post the information.
April 3, 2015

child development
Your choice is split-half reliability.
April 3, 2015

age question
24 + x = 3x Solve for x.
April 3, 2015

variation
What is your question?
April 2, 2015

math
x+ y = 33 x + 3y = 81 Subtract first equation from second. 2y = 48 Take it from here.
April 2, 2015

math please help
No diagram, so we don't have any idea about F. You cannot copy and paste here.
April 2, 2015

fluids
Since this is not my area of expertise, I searched Google under the key words "benefits of a fluid system" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=benefits+of+a+fluid+system&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
April 1, 2015

math (urgent)
It would help if you proofread your questions before you posted them. Is 20,000 missing a zero, or does 140,000 have an extra zero?
April 1, 2015

Algebra 2
A percentile is a measure used indicating the value below which a given percentage of observations in a group of observations fall. Arrange in order of value, lowest to highest. Third value = 30th percentile.
April 1, 2015

Math
315/1901 = ?
April 1, 2015

prob. & stat.
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 15/24 * 15/24 = ?
April 1, 2015

Algebra Please Help
if x = 0, then y = 0^2 + (-3) = 0^2 - 3 = ? Do the same with the other x values.
April 1, 2015

Algebra Please Help
Substitute the x values in the equation and solve to find values of y.
April 1, 2015

math
time = distance/speed min time = (400,000-100,000)/(3500+500) = 75 max time = (400,000+100,000)/(3500-500) = 166.7 I don't get those answers either.
March 31, 2015

statistics
a) Z = (score-mean)/SD Variance = SD^2 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to Z. b) Multiply probability by 109.
March 31, 2015

statistics
I searched Google under the key words "alpha level critical value" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=alpha+level+critical+value&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire more ...
March 31, 2015

statistics
Null hypothesis will be rejected if p ≤ .01. Is .05 < .01?
March 31, 2015

Statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .83^6 * (1-.83)^2 = ?
March 31, 2015

maths
(1-3/4) * 1/3 = ?
March 31, 2015

Ethics & Social Responsibility
You cannot copy and paste here.
March 31, 2015

maths
3/5 grapes - 1/5 apples = ?
March 31, 2015

math
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. (24 * 72)^2 = ? Multiply 24 by 72, then multiply that answer by itself.
March 30, 2015

Psychology
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 30, 2015

Math
Unless you know the total amount of boys and girls, I would agree.
March 30, 2015

science help
Since this is not my area of expertise, I searched Google under the key words "rubidium electrons" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=rubidium+electrons&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
March 30, 2015

math
What other fraction?
March 30, 2015

Algebra
6 * 2 = 12 ft^2 for the bottom. How high are the sides?
March 30, 2015

maths
It would help if you proofread your questions before you posted them. Data missing. "marked __ out of a total of 200 marks." mean = ∑x/n
March 30, 2015

COMMON CORE MATH
In relation to what context?
March 29, 2015

Psychology 202
Cognitive?
March 29, 2015

Pschology 202
Typically.
March 29, 2015

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.025) and its Z score. 95% = mean ± Z SEm SEm = SD/√n
March 29, 2015

Stats
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.05, ±.025, ±.005) to get the Z scores. % = mean ± Z SEm SEm = SD/√n
March 29, 2015

math
What hexagons? Cannot copy and paste here.
March 29, 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. Is it ≤ .05?
March 29, 2015

statistics
When you get the missing data: 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 28, 2015

Body Systems II
away from
March 28, 2015

math
If they are uniformly distributed: (55-50.75)/10 = ?
March 28, 2015

math
How many inches?
March 27, 2015

Math Help!!!
f(x) = 3(1.5) - 2 = ?
March 27, 2015

Algebra
-4x + 9y = 9 Multiply second equation by 3. 3x - 9y = -18 Add the two equations. -x = -9 x = 9 Insert x value in the first equation to find y.
March 27, 2015

Math
2 quarters = $.50 3 dimes = $.30 3 nickels = $.15
March 27, 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.
March 27, 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.
March 27, 2015

Math-Lit 143
Lacking Data.
March 26, 2015

College Algebra
A square will give the largest possible area. 60x + 20x + 20x = 1,500 Solve for x.
March 26, 2015

Math
There are 36 possibilities. Four can be obtained by 1,3; 3,1; 2,2. So 3/36 = ?
March 26, 2015

algebra
No equation.
March 26, 2015

math
Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you. I assume you want to know ages of Alyssa and Jeff. If Sarah is 8, then Jeff is 2 * 8 = ? Alyssa is 4 * ? = ??
March 25, 2015

math
Lacking data. Need to know total band members.
March 25, 2015

math
1. How many numbers are (less than) <2? 2. Right 3. "Complement of 4" means all the numbers that are not 4.
March 25, 2015

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