Monday
March 30, 2015

Posts by PsyDAG


Total # Posts: 19,544

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

Math/ Statistics
I have no idea what your superscript means. For one-tailed: Ho: µ = 16 oz Ha: µ < 16 oz For two-tailed: Ho: µ = 16 oz Ha: µ ≠ 16 oz
December 30, 2014

Math/ Statistics
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. You can also try: http://davidmlane.com/hyperstat/z_table.html
December 30, 2014

science
Depending on how you shave it, there is a possibility of genital cuts and bleeding. New stubble may cause irritation. No change in growth, but illusion of faster growth with stubble, because you are starting with zero background. For example, 1/4 inch growth with normal length...
December 30, 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 29, 2014

math
How can we describe a situation in your life?
December 29, 2014

statistics
This means that the difference between men and women was significant, P ≤ .05. There is a 5% probability that this difference is caused solely by chance (alpha error), but scientists tend to assume that chance is not acting in this case. Why wasn't there a ...
December 29, 2014

Math
If 2y = 8, then y = 4. Substitute that value into the second equation to find x.
December 28, 2014

6th grade math
It would help if you proofread your questions before you posted them. Do you mean "Sandra ate 4 cups"? Four cups = 20/5 How many times does 4/5 go into 20/5?
December 26, 2014

English
I searched Google under the key word "chagrin" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=chagrin&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire more quickly, if you use appropriate key ...
December 24, 2014

economics,tourism,business studies and maths lit
This is a question that is better answered by your high school/college counselor. S/he can administer interest tests and ask specific questions that will allow more specific and accurate answers to your question.
December 24, 2014

6th grade Math
What are your choices?
December 22, 2014

Grade 9th Chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
December 22, 2014

Spanish II
Compro is first person, not third. You are looking for a pronoun for "libro."
December 22, 2014

statistics
You cannot copy and paste here.
December 21, 2014

Maths lite, business, geography, life science
It would be better to ask you high school/college counselor. because s/he could ask questions and/or give interest tests to answer your question more effectively.
December 20, 2014

Intermediate Algebra
I assume you mean dive. 120 = 16t^2 Solve for t.
December 19, 2014

statistics
Ho: mean = 6' 9" Ha: mean ≥ 6' 9"
December 19, 2014

Science
Since this is not my area of expertise, I searched Google under the key words "respiration vs fermentation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=respiration+vs+fermentation&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
December 18, 2014

Science
No, the daughter cells will still be the diploid number rather than the haploid number.
December 18, 2014

Math help
4L = s 7L + 3.5s = 380 Substitute 4L for s in the second equation and solve for L. Then solve for s. From the values, make your choice of the alternatives.
December 18, 2014

biology
Not sure exactly what you are asking. Gradual mutation? Interbreeding?
December 17, 2014

Cardiovascular, Respiratory, and Digestive Systems
What are your choices? You cannot copy and paste here.
December 17, 2014

Cellular Anatomy/Integumentary and Musculoskeletal
What are your choices?
December 17, 2014

Cellular Anatomy/Integumentary and Musculoskeletal
Choices?
December 17, 2014

programming
We will not help you to hack computers.
December 17, 2014

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. First marble = 5/14 With one less yellow marble, second = 4/13 With another less yellow marble, third = ? Multiply the three ...
December 17, 2014

maths literacy geog business studies bio English a
Your question needs to be much more specific for us to give an adequate response. Your teacher(s) would be able to give much better suggestions.
December 17, 2014

math
It already can be a height measurement. However, 61.125" = 5' 1 1/8" or 5 feet, 1 1/8 inches
December 17, 2014

Statistics
Ho: mean = 8.0 Ha: mean > 8.0
December 17, 2014

math
$7.75/lb.
December 16, 2014

Algebra 1
Using equation, insert one value to see if it calculates to the other.
December 16, 2014

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 2 * 2 1/3 = (2*2) + 2(1/3) = 4 2/3
December 16, 2014

Math
1 thru 9 = 9 10 thru 30 = 21 * 2 = 42 Add the two.
December 16, 2014

math
I am unfamiliar with Excel tools. However, you would be looking for measures of central tendency (mean, mode and/or median) and measures of variability (variance, standard deviation and/or range).
December 16, 2014

statistics HELP!
Assuming that you are using P = .05, 95% = mean ± 1.96 SEm SEm = SD/√n What is the n of your sample?
December 16, 2014

computer math (incomplete)
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
December 16, 2014

Algebra 2
Missing data.
December 16, 2014

Algebra 2
Substitute -2 into each equation and calculate. a. f(x)= 3x +5 = 3(-2) +5 = ? b. f(x) = -5/2x -2 = (-5/2)(-2) - 2 = ?
December 16, 2014

Algebra 2
First, put x = 0 into the equation to find y, then do the same for y to find x.
December 16, 2014

Algebra 1
(-7) (3)- (5)(-3) = -21 - (-15) = -21 + 15 = ?
December 16, 2014

Algebra 1
(x^2 +6) - (3x^2 - 2x -5) = x^2 + 6 -3x^2 + 2x +5 = ? Combine like terms.
December 16, 2014

Math
-2/2 = ?
December 16, 2014

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