Sunday
April 19, 2015

Posts by PsyDAG


Total # Posts: 19,686

Help with math
5% + 30% = 10% + 25% and so on. 7 * 5%
January 15, 2015

Math
Just add 9 to both sides.
January 15, 2015

Math
No answer given. Just divide both sides by .6.
January 15, 2015

Math
.6x = 36 Solve for x.
January 15, 2015

science
Since this is not my area of expertise, I searched Google under the key words "types of pollution in water" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=types+of+pollution+in+water&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
January 15, 2015

Science
Since this is not my area of expertise, I searched Google under the key words "igneous rocks" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=igneous+rocks&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information ...
January 15, 2015

Science
I would agree.
January 15, 2015

Science HELP!!!
Since this is not my area of expertise, I searched Google under the key words "injecting genes into an organism" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=injecting+genes+into+an+organism&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
January 15, 2015

Biology
Are they not animals?
January 15, 2015

child psychology #1
Although historically psychologists did not prescribe drugs, there is currently a movement to allow psychologists, with specific training, to do so.
January 14, 2015

Health part 2
https://www.google.com/search?client=safari&rls=en&q=exocrine+glands+definition&ie=UTF-8&oe=UTF-8&gws_rd=ssl
January 14, 2015

Science
It doesn't matter what changes I would make; the question is asking what genetic changes you would make.
January 14, 2015

Genetics
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.
January 14, 2015

Genetics
The man's genotype = XhY The woman's genotype = XhX Use the Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl A carrier does not experience symptoms in the phenotype.
January 14, 2015

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 9.1*10^8 - 9.3*10^7 = 91*10^7 - 9.3*10^7 = (91-9.3)*10^7 = ?
January 14, 2015

Algebra 1?
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Do you mean (-3x^3y^2)(5xy^-1) or (-3x^3y^2)(5xy)^-1 ???
January 14, 2015

Health
I would agree.
January 14, 2015

Biology
What genes are recessive and what ones are dominant?
January 14, 2015

algebra
W = 8S + 53 W + S = 1034 Substitute 8S+53 for W in the second equation and calculate S. Then use first equation to find W. Check by putting both values into the second equation.
January 13, 2015

Psychology
Why would the researcher have to explain anything? Why do the providers need to know they are participating in an experiment? Have video cameras record interactions for specific situations. Have third party observers rate the interactions according to the specified criteria ...
January 13, 2015

algebra
A = 3J + 2 A - J = 26 Substitute 3J+2 for A in the second equation and solve for J. Then put J value in the first equation to solve for A. Check by putting both values into the second equation.
January 13, 2015

math
P(red, blue) = 6/20 * 2/19 = 12/380 =3/95 P(blue, Yellow) = 2/20 * 3/19 = 6/380 = 3/190 I only checked two, but if you did the same process and your math is correct, they should all be right.
January 13, 2015

Math
20/12 = x/8 Solve for x.
January 13, 2015

Math
E = 2H - 13 E + H = 23 Substitute 2H-13 for E in the second equation and solve for H. Put that value in the first equation and solve for E. Subtract H from E.
January 13, 2015

math
The probability of any color = 1/6. A. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. B. Either-or probabilities are found by adding the individual probabilities.
January 13, 2015

algebra
Add 8x to both sides of first equation. y = 18 + 8x 9x + 13y = 8 Substitute 18+8x for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.
January 13, 2015

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1. YES. 2*6^2 - 26/2 = 59 2. NO. 1/3(x-9) = 2x - 7 Multiply both sides by 3. x - 9 = 6x -...
January 13, 2015

Math
I assume that the "3 3" is not part of the problem. Take out the b to see what you get more clearly. 6 - 2 + 2 + 2 - 1 = ? Is the answer 1?
January 13, 2015

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.05) and its Z score. 90% = mean ± Z SEm 90% = mean ± 1.645 SEm SEm = SD/√n Find the mean = sum of ...
January 13, 2015

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. However, I will start you out. a. Does 250/20 = 375/30 = 625/50?
January 13, 2015

Health
White blood cells?
January 13, 2015

Health
http://en.wikipedia.org/wiki/Pressure-volume_loop_analysis_in_cardiology
January 13, 2015

science
https://www.google.com/search?client=safari&rls=en&q=reduction+of+ethanol&ie=UTF-8&oe=UTF-8&gws_rd=ssl
January 13, 2015

Algebra
3p + 2e = $2.85 4p + 5e = $5.41 Multiply top equation by 5 and bottom by 2. 15p + 10e = 14.25 8p + 10e = 10.82 Subtract bottom equation from top and solve for p. Then use top original equation to solve for e. Insert both values into bottom original equation to check answers.
January 13, 2015

Math
300 - 40x = 140 Solve for x.
January 12, 2015

math
If the two zoos are written on one piece of paper, how do you select one at random? The P of selecting either zoo at random = .5 After picking either one, the probability of selecting the remaining one is certainty. With only two possibilities, the first choice is independent...
January 12, 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.
January 12, 2015

science
What authors? Have you read their material?
January 12, 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. See Your previous post.
January 12, 2015

statistics
Z = ± 1 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the Z scores. Multiply by 100.
January 12, 2015

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. Multiply by 100. However, it would be easier if you realized that the mean, median ...
January 12, 2015

Math
50x * 80
January 12, 2015

Math
a. 12.50/5 = P (profit per book) 105P = ? b. 1062.50/P = ?
January 12, 2015

math
25/40 = 50/T Solve for T. T + 40 = ?
January 12, 2015

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

algebra
What scale?
January 12, 2015

please help me in math
5/total of readers = ?
January 12, 2015

Statistics
For the y-intercept, x = 0. Insert that value into the equation and calculate.
January 12, 2015

Statistics
A. 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 of the Z score. Multiply by 100. B. Use same table to find Z for P = .01. Insert in above equation and ...
January 12, 2015

math
In relation to what?
January 12, 2015

science
Since this is not my area of expertise, I searched Google under the key words "phylum under the five kingdoms" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=phylum+under+the+five+kingdoms&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
January 12, 2015

math
√4/3 - √3/4 = √16/12 - √9/12 = √?
January 11, 2015

Math
13.5(1 - .8) = ?
January 11, 2015

statistics
https://www.google.com/search?client=safari&rls=en&q=correlation+coefficient+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl
January 11, 2015

Intermediate algebra
What expression? Cannot copy and paste here.
January 11, 2015

Biology
Since this is not my area of expertise, I searched Google under the key words "rocks store oxygen" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=rocks+store+oxygen&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
January 10, 2015

algabra
Convert all to inches. 1/24 = x/90 Solve for x.
January 10, 2015

math
Measures of variability like range and standard deviation.
January 10, 2015

Maths
Due West.
January 10, 2015

Maths
1 - .6 = ?
January 10, 2015

Biology
Can spit reproduce?
January 9, 2015

Math 6 help
More info needed before we can help you.
January 9, 2015

science
No.
January 9, 2015

algebra
P = L + 5 25P + 20L = 35000 Substitute L+5 for P in second equation and solve for L. Then solve for P.
January 9, 2015

Literature
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. From the limited information, I would agree with A.
January 8, 2015

math
What equations? You cannot copy and paste here.
January 8, 2015

fractions
(1 - 1/4) - 1/3 = 3/4 - 1/3 = 9/12 - 4/12 = ?
January 8, 2015

Math
n($3.00-$1.80) = $36 Solve for n.
January 8, 2015

Math
For the tip: .15($143.35)/8 = ? For the total bill: 1.15($143.35)/8 = ?
January 7, 2015

math
1.49/9.80 = x/12.60 Solve for x.
January 7, 2015

Psychological Statistics
Z = (score-mean)/SD
January 7, 2015

Science
Unless there is data that you have omitted, I would.
January 7, 2015

algebra
28 = 2b - 4 Solve for b.
January 7, 2015

Science
What mediums are you considering?
January 7, 2015

health
You cannot copy and paste here.
January 7, 2015

Algebra
S = A + 30 2S + 5A = 1450 Substitute A+30 for S and solve for A, then S.
January 7, 2015

Language arts
What novel are you referring to?
January 7, 2015

Biology
If you answer to the first question is correct, then the recessive will produce the same phenotype only when paired with another recessive.
January 7, 2015

math
1.1($35 + $75) = ?
January 7, 2015

English
How would we know how you read you materials previously or how SQ3R improved your comprehension?
January 6, 2015

Geometry
We cannot graph on these posts.
January 6, 2015

Health
Lacking a food group(s) in one meal can be made up by including a that group(s) in a subsequent meal.
January 6, 2015

Bosaso
df = n-1
January 6, 2015

Bosaso
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for Z ± 1.3.
January 6, 2015

Vocab
Agree.
January 6, 2015

Math
28 - 7 = 21 - 7 = etcetera 28/7 = ?
January 5, 2015

Statistics
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. [(15-8)*3-13]/2 = (7*3 - 13)/2 = (21 - 13)/2 = 8/2 = ?
January 5, 2015

science
What units do you desire? If Km/hour: 5 * 12 = 60 seconds = 1 minute There are 10,000 cm in 1 Km. (20 * 12 * 60)/10,000 = ?
January 5, 2015

science
2,560 * 60 = m/hour For Km/hour, divide answer above by 1000.
January 5, 2015

math-algebra HELP!!!!
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. Also, #1 has no graph. You cannot copy and paste here.
January 4, 2015

probability and statistics
What question are you trying to answer with your sample?
January 4, 2015

Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05 each direction) and its Z score = 1.645. 90% = mean ± 1.645 SEm SEm = SD/√n
January 3, 2015

Statistics
See process in your later post.
January 3, 2015

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.
January 3, 2015

Statistics
See process in later post. Of course, you can shorten the process if you remember that the mean, mode and median are the same value in a normal distribution.
January 3, 2015

Science
It has to get out of the car first. What does that tell you?
January 2, 2015

language arts
I would pick 2.
January 2, 2015

Biology
Since this is not my area of expertise, I searched Google under the key words "Photosynthesis and cellular respiration" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Photosynthesis+and+cellular+respiration&ie=UTF-8&oe=UTF-8&...
January 1, 2015

biology
Parents are AO and BO. Use a Punnettt square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
December 31, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "mitosis meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mitosis+meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
December 30, 2014

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