Monday
May 2, 2016

Posts by PsyDAG

Total # Posts: 21,602

HELP SCIENCE ASAP
I'll start you out. They are all animals with backbones. Do you think you can find differences?
October 7, 2015

science
What do you think the backbone would do to the caudal fin?
October 7, 2015

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.
October 7, 2015

backbones
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.
October 7, 2015

Probability help
The possible scores are 7-0 6-1 5-2 4-3 You should be able to figure it from this.
October 7, 2015

math Diana
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. 4 times the cost per T-shirt.
October 7, 2015

math Brown
I have no idea concerning what your numbers signify. More data needed.
October 7, 2015

Middle School Math
What are your options?
October 7, 2015

Science
It would help if you indicated answer with the question. 1. Disagree 2. agree 3. disagree 4. disagree 5. agree
October 7, 2015

Math
a. 12/52 b. 1 -12/52
October 7, 2015

math
Let x = daughter's age. 3x - x = 36 Solve for x.
October 7, 2015

science
Cellular respiration is the set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
October 7, 2015

Gr.11 Biology
One is either BBss or Bass; the other is aaRs or aaRR. Which combination would always give a Black coat and only sometimes a smooth coat?
October 6, 2015

Math
What table?
October 6, 2015

Match
(9/40)/(1/5) * 3/8 = Dividing by a fraction is the same as multiplying by its inverse. (9/40) * 5 * 3/8 = ? Carry on.
October 6, 2015

Math
1.32 * 10^-7 or 13.2 * 10^-8
October 6, 2015

Algebra
3 7/12 + (-2 4/5) = 43/12 - 14/5 Change to common denominator and subtract.
October 6, 2015

Algebra
L = 2W + 2 2W + 2L = 28 Substitute 2W+2 for L in the second equation and solve for W.
October 6, 2015

Science
It would help if you proofread your questions before you posted them. For several questions, we have no idea what the letters indicate.
October 6, 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.
October 6, 2015

math
1) A = $15.37/10 = $1.54/bar B = $15.35/12 = ? 2) A = $1.54/2.1 = ? B = ? 3) From these calculations, you can determine better buy.
October 6, 2015

math
1) OC = $10/3.5 = ? TT = $1.25 * 2 = ? 3) $.05 * 60 = ? Compare and explain.
October 6, 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 (.46) and its Z score. Insert data into above equations and calculate.
October 6, 2015

Statistics
Use same process as shown in following post.
October 6, 2015

Statistics
Use same process, but calculate both Z scores first, then use the table.
October 6, 2015

Statistics
Same process.
October 6, 2015

Math
x = 39 - y 3.87x + 2.90y = 137.35 Substitute 39-y for x in the second equation and solve for y. Insert that value into the first equation to solve for x. Check by putting both values into the second equation.
October 5, 2015

Math
a) Basic = 45 + .25x b) Continental = ? c) 45 + .25x < Continental Solve for x.
October 5, 2015

science
It would help if you proofread your questions before you posted them. What units are 19.2 of the "bock"? Is the "bock" wood, stone or some other material?
October 5, 2015

Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.121) and its Z score. Z score = -1.27 is standard deviations below the mean. 115 + 1.27(1.2) = mean
October 5, 2015

bio statistics question!
Aren't they between zero and one?
October 5, 2015

math
$500 + $50(weeks) $500 + $50(30) = ? Don't you get any interest on those savings?
October 5, 2015

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 10^3 = 10 * 10 * 10 = ?
October 5, 2015

History needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
October 5, 2015

Statistics
1) Either-or probabilities are found by adding the individual probabilities. 2) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
October 5, 2015

Biology
I think it's soft, (comma) and it's because being soft would help it to amplify sound waves to hear things more clearly. I think a person with a sore throat might end up with a mild ear infection, (comma) because the throat and the ear are linked by the EustachiAn tube...
October 4, 2015

Science
I agree with D.
October 4, 2015

English
The patient resides in a nursing home, which toppled over giving the patient a broken hip.
October 4, 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.
October 3, 2015

statistics
Median = 50th percentile
October 3, 2015

Gr.11 Biology
Since it is a recessive X-linked gene, the father definitely does not have the MD gene. Since the mother does not have MD, she is heterozygous. There is a 50% chance of the other boys getting the MD gene and the disease and a 50% chance of the daughters being carriers, but no ...
October 3, 2015

science
Bone and muscle?
October 3, 2015

AP Statisics
Since this is not my area of expertise, I searched Google under the key words "ACT SAT conversion" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=sat+act+conversion&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
October 2, 2015

Statistics
It would help if you proofread your questions before you posted them. "One bond is chosen risk?"
October 2, 2015

Statistics
1 - .80 = ?
October 2, 2015

Statistics
53 * .27 = ?
October 1, 2015

Algebra
L = W + 24 2L + 2W = 128 Substitute W + 24 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.
October 1, 2015

algebra
Q = 44 - D 10D + 25Q = $7.40 Substitute 44-D for Q in the second equation and solve for D.
October 1, 2015

Statistics
X = (107+19+10)/(total frequency)
October 1, 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.
October 1, 2015

Statistics
Frosh = (4+15)/grand total Member = (4+9)/grand total Either-or probabilities are found by adding the individual probabilities.
October 1, 2015

math fractions
11 * (2 2/3)/(1 4/7) = 11 * (8/3)/(11/7) = 11* 8/3 * 7/11 = ?
October 1, 2015

ratios
What is your question?
October 1, 2015

Math
$12 * 768/24 = ?
October 1, 2015

math
Multiply both by 1,000,000. 27/9 = 3
September 30, 2015

math
Find the mean first = sum of scores/number of scores. Range = highest score - lowest Add the two values.
September 30, 2015

Math (?)
Complete
September 29, 2015

statistics
How many players on the team?
September 29, 2015

math
What is the length of the pieces?
September 29, 2015

maths
Use the Chi-square (X^2) method. 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 ...
September 29, 2015

Math
W = M + 6
September 29, 2015

math
$4,250,000 - $1,075,000 = ? This is a positively skewed distribution.
September 28, 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.
September 28, 2015

psychological test and measurements
disagree.
September 28, 2015

math
9. r = d/t For d, multiply both sides by t. 10. y = 3x - 10 How did you get 7x? 3. (P - 21)/2 = w
September 28, 2015

Math
Divide 274 by (3+7+11) = 13.05 3 * 13.05 = ? 7 * 13.05 = ? 11 * 13.05 = ?
September 28, 2015

Math
If you are just concerned only with your class and measure the whole class, it is the population. If you want to generalize results to whole school or all students, you have a sample. I hope this helps.
September 28, 2015

fundamentals math
Are you allowed to use the table in your statistics text labeled something like "areas under normal distribution"?
September 27, 2015

math
1. $40 + $1x 2. $6x 3. You do this.
September 27, 2015

math
Math is good, but online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
September 27, 2015

math
1.06x = 57.24 Solve for x for sale price. (1-.4)x = sale price Solve for x for full price.
September 27, 2015

math
G = E + 2 (G+5) + (E+5) = 42 Substitute E+2 for G in the second equation and solve for E. Insert that value into the first equation to solve for G. Check by putting both values into the second equation.
September 27, 2015

Math
Hundreds digit has to be 3. If there is another 3, then the third digit = 6. 363 or 336
September 27, 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.
September 27, 2015

Math
27.75/2.5 = ?
September 26, 2015

Math
-5 + 24 - 28 = ?
September 25, 2015

STAT
Ho: mean1 = mean2 Ha: mean1 > mean2 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...
September 25, 2015

Learning Behaviors
Since this is not my area of expertise, I searched Google under the key words "opponent process theory of solomon and corbit" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=opponent+process+theory+of+solomon+and+corbit&ie=UTF-8&oe...
September 24, 2015

math
Here is one, a simple method. .37(27.6 + 15.9) = ?
September 24, 2015

science
Since this is not my area of expertise, I searched Google under the key words "liver functions" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=liver+functions&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
September 24, 2015

science
Google "photosynthesis."
September 24, 2015

Maths
50 + (3*5) = ?
September 23, 2015

Algebra 1
1 4/5 = 1.8 1 2/3 = 1.67 2 is right.
September 23, 2015

math
Absolute value is the value regardless of sign.
September 23, 2015

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.
September 23, 2015

Chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
September 23, 2015

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (7^6)/7 = 7^5
September 22, 2015

Mathematics (I really need help)
1/100
September 22, 2015

math
Right
September 22, 2015

maths
h = 4k h - k = 36 Substitute 4k for h in the second equation and solve for k. Insert that value into the first equation to solve for h. Check by putting both values into the second equation.
September 22, 2015

math
Right.
September 22, 2015

Science
Control is amount of water in tanks. Otherwise correct.
September 22, 2015

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 later post.
September 22, 2015

math
Get rid of parentheses. 2x^2-5x+9-0.5x^2+7x-3 = Combine like terms. 1.5x^2 + 2x + 6 Do the same with the second formula.
September 22, 2015

Science Can You Please Check
Agree with all.
September 22, 2015

science
What is your question?
September 22, 2015

Math
https://www.google.com/search?client=safari&rls=en&q=Algebra+addition+properties+and+subtraction+rules&ie=UTF-8&oe=UTF-8&gws_rd=ssl
September 21, 2015

Math
Mistake? I would estimate 220.
September 21, 2015

Education(?)
Maybe, if you explain what RTI is, we might be able to help.
September 21, 2015

math
Cannot draw graphs on these posts.
September 21, 2015

  1. Pages:
  2. <<Prev
  3. 5
  4. 6
  5. 7
  6. 8
  7. 9
  8. 10
  9. 11
  10. 12
  11. 13
  12. 14
  13. 15
  14. 16
  15. 17
  16. 18
  17. 19
  18. Next>>