Thursday
June 30, 2016

Posts by PsyDAG

Total # Posts: 22,022

atlantic high
Pythagorean Theorem a^2 + b^2 = c^2 a^2 + 4^2 = 8.5^2 Solve for a.
May 20, 2016

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 4(2/4) = 2 2*4 = ?
May 20, 2016

MAth
Add 3.6 to both sides and divide by .9 to solve for x.
May 20, 2016

science
What are your choices? Digest? Eat? Consume?
May 19, 2016

math
1.06x = 42.40 I get 40 too.
May 19, 2016

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.
May 19, 2016

statistics (?)
What does X stand for? If x is a score: Z = (score-mean)/SD
May 19, 2016

Math
P = 2L + 2W
May 19, 2016

Physical Education: Just checkin' if they're right
Free style? Agree with 300.
May 19, 2016

maths
C = 2πr = 2*3.14*(30/2) (C * 33.3)/100 = m traveled
May 19, 2016

Math
R = 25 - W 10R - 2W = 202 Substitute 25-W for R in the second equation and solve for W. Insert that value into the first equation to solve for R. Check by putting both values into the second equation.
May 19, 2016

Math (check my work)
Complementary means they add up to 90 degrees. (x+13) + (2x+23) = 90
May 19, 2016

MATH PLZ HELP
7. Disagree. 8. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 4/10 * 2/10 = ? 9. Correct 10. P(heads) = 1/2 P(<5) = P(4 or 3 or 2 or 1) Either-or probabilities are found ...
May 19, 2016

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. assuming you want price per gallon: 10.75 * 12/128 = 1.008 gallon = $15.65, but $15.53 is the closest.
May 19, 2016

math
Either-or probabilities are found by adding the individual probabilities. P(<4) = P(3 or 2 or 1) = 1/6 + 1/6 + 1/6 = ?
May 19, 2016

Stuck in a Question
Does the definition sound uncertain? Critical?
May 19, 2016

algebra II
Q = 120 - D .25Q + .10D = 19.05 Substitute 120-D for Q in the second equation and solve for D. Insert that value into the first equation to solve for Q. Check by putting both values into the second equation.
May 19, 2016

Languge arts (?)
What is a "tang town"?
May 19, 2016

math !
Welcome
May 19, 2016

math !
1) 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. 2) not an inequality. 60/15 = 4 3) anything < 14 ...
May 19, 2016

math
75/1.5 = 50 mph 325/50 = ?
May 19, 2016

geometry
the first two are correct, but I can't answer the following because the figures are not given.
May 19, 2016

Artificial Intelligence
If B is pardoned, either A or C will be executed, 1 out of 2.
May 19, 2016

Science (?)
What are your choices? Minerals?
May 19, 2016

math
It would help if you proofread your questions before you posted them. "1 cm : 0.5 cm"?
May 18, 2016

Language arts
No need to correct.
May 18, 2016

Math (?)
No diagram.
May 18, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Received placebo (1-.80) = .20 Showed improvement (1-.62) = .38
May 18, 2016

maths geometry (?)
No angle shown. Cannot copy and paste here.
May 18, 2016

Math
How can you "toss three coins and get one head and one tail"?
May 18, 2016

math
Cannot graph here. I will use substitution. l = k + 150 l + k = 900 Substitute k+150 for l in the second equation and solve for k. Insert that value into the first equation to solve for l. Check by putting both values into the second equation.
May 18, 2016

Math
V (round) = π(r^2)h V Rectangular = 6*9*2 A (round-bottom) = 2πrh + πr^2 A (rect.-bottom) = 6*9 + 2*2*9 + 2*2*6
May 18, 2016

Spanish
1. right 2. wrong 3. right 4. wrong 5. right 6. wrong 7. DK 8. DK 9. right
May 18, 2016

Math
V = π(r^2)h *3 = ?
May 18, 2016

math
To compare more easily, change to decimals. 1/4, 1/3, 2/3, 5/7 = .25, .33, .67, .71
May 18, 2016

math (?)
What is the original distribution?
May 18, 2016

math for IT(?)
Need data. What is the distribution?
May 18, 2016

Math (Anon.)
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. Second, there are no figures. You cannot copy and paste here.
May 18, 2016

Math
S = E 2S = 2E = E - 4 + 40
May 18, 2016

Math(?)
No table. Cannot copy and paste here.
May 18, 2016

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.18) and its Z score. Z = (score-mean)/SD
May 18, 2016

biology
Use a Punnett Square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
May 17, 2016

math
W = 450 - C 280C + 125W = 102,750 Substitute 450-C for W in the second equation and solve for C.
May 17, 2016

math
J = 200/B J-5 = 3B - 4 Substitute 200/B for J in the second equation and solve for B. Insert that value into the first equation to solve for J. Check by putting both values into the second equation.
May 17, 2016

maditsi(?)
Which offender? What career?
May 17, 2016

Biology
The sweat loses salt along with fluid, so the person should take water along with the salt tablet.
May 17, 2016

math
Median = 50th percentile, middle score in value Mean = ∑x/n = sum of scores/number of scores
May 17, 2016

algebra 2b
99% = mean ± Z SEm SEm = SD/√n
May 17, 2016

math (?)
How are "pints" awarded?
May 17, 2016

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.
May 17, 2016

Stat
X^2 = ∑ (O-E)^2/E, where O = observed frequency and E = expected frequency. ∑ = sum of all the cells. E = (column total * row total)/grand total df = n - 1, where n = number of cells Look up value in X^2 table in the back of your textbook.
May 16, 2016

8th Grade Electives Advice
Do you have any long term goals that might fit either one? Journalism will enhance your writing skills, and Creative Photography should enhance you artistic abilities. Which is more important to you?
May 16, 2016

Biology
Disagree. Google "protist movement."
May 16, 2016

science
You can use anything that is used for insulation.
May 16, 2016

Statistics
220/(220+370) = ?
May 15, 2016

Math
It would help if you proofread your questions before you posted them. How many? Assuming the brick is square, 12 inches = 1 foot, so brick is 1 foot square. 13 * 7 = ? sq ft
May 15, 2016

English
Learning indigenous languages allows for better communication and indicates empathy for those peoples and their traditions.
May 15, 2016

English
agree.
May 15, 2016

matha literacy,business studies,Tourism,Accountin
intense or irrational dislike or fear of people from other countries. You can Google for definitions.
May 15, 2016

Maths
March-November = 9 months 162/9 = ? ? * 5 = Allowance
May 15, 2016

why dont u tell me
What is the hardest subject for anyone is the one that is most difficult to understand. It will vary from person to person. What is your hardest subject?
May 15, 2016

English
What is the status of married women in a traditional African marriage? What may they do and may not do?
May 15, 2016

Maths (?)
Lacking data. Perimeter = 2 Length + 2 Width
May 15, 2016

Math
perimeter = 2 Length + 2 Width
May 15, 2016

Math(?)
Don't understand your a and b.
May 15, 2016

math (?)
It would help if you proofread your questions before you posted them. "7 and than 13"?
May 15, 2016

Statistics Homework (?)
What is your question?
May 15, 2016

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. I agree with C, but how is that different from D?
May 14, 2016

math (Please help me out)
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 labeled something like "...
May 14, 2016

Math
1) 350/(6 1/3) = ? 2) (1-4/9)500 = ?
May 13, 2016

Statistics Homework
As indicated previously, if something happened 6 out of 20 times would you call that common?
May 13, 2016

Geometry
Which numbers indicate the sides (lateral area)?
May 13, 2016

math
1. wrong 2. wrong 3. wrong 4. Wrong, see definition of coefficient 5. wrong 6. wrong 7. Wrong, When multiplying/dividing, exponents are added/subtracted respectively. 8. Wrong Go back to your text book and read your lessons.
May 13, 2016

Math
Welcome
May 13, 2016

Math
All numbers are either odd or even.
May 13, 2016

Safety & Emergencies
Agree
May 13, 2016

Life orientation
What will you choose?
May 13, 2016

science 4th grade
inertia
May 12, 2016

Math probibility
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 11/23 * (11-1)/(23-1) = ?
May 12, 2016

math (?)
What is your question?
May 12, 2016

Math
Week = 7 days Month = approximately 30 days.
May 12, 2016

Math
No
May 12, 2016

psychology
Do not explain study to physicians and nurses. Have a third party, who does not know the hypothesis, record interactions.
May 12, 2016

math
16 = 4S S = 4 16+x = 2(4+x) Solve for x.
May 12, 2016

Math (?)
What Chart? Cannot copy and paste here.
May 12, 2016

chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
May 12, 2016

Math
10^3 for digits (26-5)for first letter 26 for second letter If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
May 12, 2016

science
You're right that you're right.
May 12, 2016

science
Google the term.
May 12, 2016

math
Didn't you indicate the percentage increased by 60%?
May 12, 2016

math
950%
May 11, 2016

Math algebra
4x^2(2x+x^3y)+x^y = 8x^3 + (4x^5)y + x^y When multiplying/dividing, exponents are added/subtracted respectively. Anything to the zero power = 1 4x^5 * zero = zero So you are left with 8x^3 +1 = ?
May 11, 2016

Math
21 * .8125 = 17.0625 Right
May 11, 2016

math
1 59/100 or 159/100
May 11, 2016

math
1 3/10 or 13/10
May 11, 2016

Spanish
First two are right, but I cannot comment on the last two.
May 11, 2016

Pre- Algebra
Yes.
May 11, 2016

Pre- Algebra
Disagree with Gucci's answer. .3 * 60 = ?
May 11, 2016

Life science,,maths lit,economic,business study
Consult your school counselor, who can assess your abilities and interest to suggest possible careers for you.
May 11, 2016

Maths lit, life science,business study,economic
Consult your school counselor, who can assess your abilities and interests to suggest possible careers for you.
May 11, 2016

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