Tuesday
December 6, 2016

Posts by PsyDAG

Total # Posts: 22,748

Maths
We do not have access to the figure. You cannot copy and past here.
September 24, 2016

Biology
Since this is not my area of expertise, I searched Google under the key words "hydrogen bonding water molecule properties" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=hydrogen+bonding+water+molecule+properties&ie=UTF-8&oe=UTF-8...
September 24, 2016

SCIENCE
100kW/m^2
September 24, 2016

Math
https://www.google.com/search?client=safari&rls=en&q=graph+information+from+a+ratio+table&ie=UTF-8&oe=UTF-8&gws_rd=ssl
September 23, 2016

Grammar
What about commas? Thank you, John, Peter, Susan and Veronica, for being a part of the crew.
September 23, 2016

algebra
.5 + .5d = 7.5 Solve for d.
September 23, 2016

Math
The two end digits cannot be even because subtracting one from the other would be an even difference. Explore the odd choices. 123, 345, 567, 789
September 23, 2016

Algebra
Multiply each term in the second parenthesis by -1.
September 22, 2016

Algebra
-4+c
September 22, 2016

Statistics
Z = (score-mean)/SD SD = √variance 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. Multiply by 100.
September 22, 2016

statistics
Cannot do table on these posts.
September 22, 2016

math
300x + 250x = 900 Solve for x.
September 22, 2016

math algebra
See following post.
September 22, 2016

math algebra
16-17 minutes
September 22, 2016

Stats.
Neither probability = 0. Weight 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. Food 24 - 10 = 14 (15-10)/14 = ?
September 21, 2016

algebra
In the first pair, none match, because if x is negative, y will be negative. Did you miss a negative sign? The second problem is wrong. Do what Lily suggests.
September 21, 2016

Science
Sit different distances from the fulcrum.
September 21, 2016

Science
A. Have the beaker standing on a table. B. Wash the toes with water or something that will neutralize solution A, being careful to avoid the glass particles.
September 21, 2016

Math
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.
September 21, 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.
September 21, 2016

Math
1/2 + 3/8 = 4/8 + 3/8 = ?
September 21, 2016

8th grade math-exponents
I don't. I still get: (x/2)^7/(x/2)^6 = x/2 If you do not have a typo, there might be a typo in the text answers. Ask your teacher.
September 21, 2016

8th grade math-exponents
Since they are all the same, let x represent x/2. Online "^" is used to indicate an exponent, e.g., x^2 = x squared (x^3 * x^4)/(x^3)^2 When multiplying/dividing, exponents are added/subtracted respectively. (x^3 * x^4) = x^7 (x^3)^2 = x^6 Do you have typos?
September 21, 2016

Algebra 2
Z = (score-mean)/SD Z = (230-240)/4.8 = -2.08 Use the same equation for the second score.
September 21, 2016

math
Necesita hacer su pregunta en inglés.
September 20, 2016

Math
do the calculations
September 20, 2016

Science
Since this is not my area of expertise, I searched Google under the key words "watershed" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=watershed&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire...
September 20, 2016

math (?)
Typo? How can a digit be 30 times any other digit?
September 20, 2016

Math
How do you want it rearranged?
September 20, 2016

Maths
42/7 = 6 2L = 3*6 = 18 2W = 4*6 = 24 Since P = 2L + 2W, each side will half of the above values.
September 20, 2016

Psychology
Agree, "making excuses" is rationalization.
September 20, 2016

English
I, his, him and he are pronouns. You missed some. Go over it again.
September 20, 2016

Math
You only have five digits. Assuming some can be repeated without using decimals: Largest = 8,885,320 Smallest 2,000,358
September 20, 2016

Statistics
mean = ∑x/n mean * N = ∑x Men ∑x = 20*178 = 3560 Women ∑x = 30*164 = 4920 Combined = (3560+4920)/50 = ?
September 20, 2016

Psychology 101
success
September 19, 2016

Math (?)
Have ? Left.
September 19, 2016

math
typos? (2700-1200)x = 30
September 19, 2016

English
I assume it is study time. It indicates how much time you need to allocate per week, month and semester. How much time will you set aside per each of those time intervals?
September 19, 2016

math
Since we don't know your daily activities, we cannot help you.
September 19, 2016

Math
Since this is not my area of expertise, I searched Google under the key words "making a crossword puzzle" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=making+a+crossword+puzzle&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can...
September 19, 2016

Math
(215.5-133.25)/215.5 = .38167 = 38% Do the same process for the second problem.
September 19, 2016

English grammar
"Talked" if event is past, and "will talk" if you expect it in the future.
September 19, 2016

Health
Which does not have a learning component?
September 19, 2016

algebra - theory of numbers
You need to clarify your question.
September 19, 2016

math
3d + 3t = 9 3d + 2t = 8 Subtract second equation from first, then multiply by 5.
September 19, 2016

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 between the two values for the Z scores.
September 18, 2016

Maths
X + Y + Z = 1750 x = 4Y Y = 2Y 4Y + Y + 2Y = 1750 However, that does not come out exactly to whole numbers. Do you have any typos? It would seem that the zero is extraneous.
September 18, 2016

Language Arts
The Inuit go fishing in frail skin canoes called kayaks.
September 18, 2016

psychology
deviate, innovate, criticize, dissent?
September 18, 2016

Math
Regardless of its length, the minute hand moves 360 degrees in one hour (60 minutes).
September 18, 2016

value
Since this is not my area of expertise, I searched Google under the key words "branches of home economics" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=branches+of+home+economics&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
September 18, 2016

Math
W = T + 6 Area = 1/2 WT Substitute T+6 for W in the second equation and solve for T. Insert that value into the first equation to solve for W. Check by putting both values into the second equation.
September 18, 2016

math
Divide 576 by 9, then multiply by 4 for muffins and 5 for cookies. 256 muffins 320 cookies
September 18, 2016

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. a^2 + b^2 = c^2 Cannot find x unless already know value of a and c. You only know c.
September 18, 2016

math- study question for final
This is what I would do. Z = (score-mean)/SEm SEm = SD/√n P ≤ .05 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. How does it compare?
September 17, 2016

Algebra
L = S + 47 L = 6S - 3 Substitute S+47 for L in the second equation and solve for L. Insert that value into the first equation to solve for S. Check by putting both values into the second equation.
September 16, 2016

Statistic
You may have an answer, but you don't even indicate the question.
September 16, 2016

statistics
SEm (standard error of the mean) = SD/√n
September 16, 2016

math
1. disagree 2. agree 3. r = d/t 4. agree
September 15, 2016

math geometry
L = 2w + 12 L * w = 80 Substitute 2w+12 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.
September 15, 2016

Math
1. disagree 2. agree 3. agree
September 15, 2016

Math
The first is the absolute value, regardless of the sign. The second is negative.
September 15, 2016

stats
Z = (score-mean)/SEm SEm = SD/√n SD = √variance Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for each and the Z score. Insert into above equation.
September 15, 2016

aps rk puram .math
There are only three possibilities — 123, 246, 369. Which fits?
September 15, 2016

math
How many edges does a cube have? Multiply that number by (18-10).
September 15, 2016

Math
a. 180/36, 252/36 b. 252/180 c. 10(252/180) No diagram.
September 15, 2016

statistics
Probability answer never > 1. If Z = 2, P > 2 = .0228
September 15, 2016

math
It would help if you proofread your questions before you posted them. Level of significance? 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/...
September 15, 2016

stats
Grade points times credit hours divided by total credit hours. [(5*4) + (4*3) + (3*1) + (2*3) + (1*4)]/15 = ?
September 15, 2016

science
Holland? What are your choices?
September 15, 2016

Math
Cannot draw diagrams here.
September 14, 2016

maths
q = a + 15 3a + 2q = 3 1/8 Substitute a+15 for q in the second equation and solve for a.
September 14, 2016

Math
You are welcome.
September 14, 2016

Math
Yes
September 14, 2016

Math
1/8
September 14, 2016

Math
For every 3 parts of blue, you need 4 parts of yellow.
September 14, 2016

Math
Area = 1/2 height * base 48 = 1/2 height * 12 Solve for height.
September 14, 2016

math
Circumference = π d Convert to cm. Area = 10 circumference
September 14, 2016

Statistics
Variable = number of children per family Can a family have a half of a child? Possible values for a family = 1, 2, 3, 4....
September 13, 2016

Math
93
September 13, 2016

algebra
1.4x + .25 = 1.99 Solve for x.
September 13, 2016

math
j = 8/5m j - m = 390 Substitute 8/5m for j in the second equation and solve for m. Insert that value into the first equation to solve for j. Check by putting both values into the second equation.
September 13, 2016

Math HELP!
3/4 > -5/6 -1 3/4 < 3/4 2 3/4 > 2 4/6
September 13, 2016

Science (?)
Need more data. 100,000 km per what time unit? Sometimes Earth is close to Mars, when it's making a pass, and other times it's far away, at the other side of the track. The minimum distance from the Earth to Mars is about 54.6 million kilometers. The farthest apart ...
September 13, 2016

Biology
Since this is not my area of expertise, I searched Google under the key words "types of blood parasites" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=blood+parasites&ie=UTF-8&oe=UTF-8&gws_rd=ssl#q=types+of+blood+parasites In the...
September 13, 2016

Statistics (?)
Lack of data. What is your question? Assuming n stands for number in sample and S indicates standard deviation, it would be nice to know the mean for each group.
September 13, 2016

biology
disagree with last two answers.
September 13, 2016

MATH
Es mejor escribir en inglés.
September 12, 2016

MATH(?)
No numeros aqui. No puede copia o goma aqui.
September 12, 2016

Psychology
How is this psychology?
September 12, 2016

Math
At $.01 difference for each pencil, you need 200.
September 12, 2016

math
60 + 10m
September 12, 2016

algebra
420,000
September 12, 2016

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

maths
7x = 4x + 9 Solve for x.
September 12, 2016

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 5(4+3) * 6 = 210
September 12, 2016

math
W = 2L - 8 W * L = 172 Substitute 2L-8 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. Then use Pythagorean theorem. W^2 + L^2 = diagonal^2
September 11, 2016

Math
5 and -5, the magnitude of a real number without regard to its sign.
September 11, 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. See later post.
September 11, 2016

Math
The same. High minus low still the same.
September 11, 2016

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