Saturday
December 10, 2016

Posts by PsyDAG

Total # Posts: 22,784

algebra (oops)
I read square root. x^2 + 3x = 10 x^2 + 3x - 10 = 0 Factor.
June 19, 2016

algebra
Assuming the number is the same for multiple and square root: 3x + √x = 10 Solve for x.
June 19, 2016

Maths
The square lawn is 12 by 12, assuming that the path is not part of the lawn. With the path, the side is 12 + 2(1.5) = ?
June 19, 2016

algebra
B = 2H 25 = .5HB Substitute 2H for B in the second equation and solve for H.
June 19, 2016

algebra
L = W + 3 2L + 2W = 34 Substitute W+3 for L in the second equation and solve for W.
June 19, 2016

math
78,654
June 19, 2016

algebra
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.
June 19, 2016

maths
Is this what you are being asked to do? 64 = 64 63.6 = 64 50.3 = 49 18.7 = 16 You do the rest.
June 19, 2016

math
agree
June 17, 2016

statistics
That you are 95% sure that the true mean lies between those limits.
June 17, 2016

math
2/3x = 2.24 Solve for x then divide by 4.
June 17, 2016

Management Science
5 hours, A = $50, B = .15 * 5 * 60 9 hours, A = 50 + .25*60, B .15 * 9 * 60
June 17, 2016

Math
F = 62 - S F - 15 = 7(S-15) Substitute 62-S for F in the second equation and solve for S.
June 17, 2016

math (?)
Approximation of what? What following? Cannot copy and paste here.
June 17, 2016

maths(?)
It would help if you proofread your questions before you posted them. "Crore?" thirteen thousand nine hundred forty eight = 13,948
June 17, 2016

maths
Assuming it is a progression, I agree.
June 16, 2016

MATH
First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you. It would help if you proofread your questions before you posted them. Don't know what "FO," "VO" and "BA" ...
June 16, 2016

communication
Do others make comments about you to you? If so, do you agree with those comments?
June 16, 2016

math
How much time is spent on each job?
June 16, 2016

statistics
What is the list of numbers measuring? Depth? For shell length, 99% = sample mean ± Z (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 (&...
June 16, 2016

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.
June 16, 2016

Maths (?)
What is your question?
June 16, 2016

Math
Could be any one of several, starting with 4489, 3368, 2247.... Do you have more data?
June 16, 2016

Maths (?)
More data needed.
June 16, 2016

geometry (?)
Not geometry. What is your q1uestion?
June 15, 2016

geometry (?)
No following shown. Cannot copy and paste here.
June 15, 2016

Math
Don't understand the second equation.
June 15, 2016

Math
A. Tires = cars * 4 b. Minutes = days * 24 * 60
June 15, 2016

Algebra
2008-1998 = ? Substitute that for x and solve.
June 15, 2016

science
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.
June 15, 2016

Math
1. +2 2. -9
June 14, 2016

English
1, 2, 3, 4. Yes "Was" better than "is," because planning was done previously.
June 13, 2016

Stats
n*p = 30 * .34 = ?
June 13, 2016

Science
If they have landed, zero. If not, .98m.
June 12, 2016

math.
3 * 39 * 10 = ?
June 12, 2016

Psychology
I would say classical experiments.
June 11, 2016

Science
Since this is not my area of expertise, I searched Google under the key words "Aldosterone effect on urine" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Aldosterone+effect+on+urine&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
June 11, 2016

math
Mean = ∑x/n (80+85+82+x)/4 ≥ 85 Solve for x.
June 11, 2016

Math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (a+b)^2 = a^2 + 2ab + b^2
June 11, 2016

algebra
How would you like us to help you?
June 9, 2016

math
12:14
June 9, 2016

Math Makes Sense Grade 3
1 - 1/4 = ?
June 8, 2016

Math (?)
No diagram. Cannot copy and paste here.
June 8, 2016

math
Nearest foot is 2.
June 8, 2016

Business Mathematics
How many tolls have to be paid? Assuming one toll: y = $2 + .80r Substitute 17 for r and solve.
June 7, 2016

MATH
Let x = total distance x - 1/3x - 2/5x = 1,200m Solve for x.
June 7, 2016

Advanced Algebra
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.025) and its Z score. 95% = mean ± Z (SD) Consider only positive value.
June 6, 2016

English
3 and 7 are incorrect.
June 6, 2016

algebra
Cannot draw graphs on these posts. b. 8 *.85 = ? c. 8 * 1.20 = ? d. compare 4.00/.85 to 4.00/1,20
June 6, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(3) = (5/12)^3 P(1of3) = (5/12)(7/12)^2 e) At least one = one, two or three Either-or probabilities are found by adding the ...
June 6, 2016

Math
Either-or probabilities are found by adding the individual probabilities. P(A or B)= P(A) + P(B) = .03 + P(B) = .07 P(B) = .04 Typos?
June 5, 2016

math
10 liters = 1 cubic centimeter 80*60*50 = ? cubic centimenters
June 5, 2016

maths
Since this is not my area of expertise, I searched Google under the key words "How to draw functions in same set of axes" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=How+to+draw+functions+in+same+set+of+axes&ie=UTF-8&oe=UTF-8&...
June 5, 2016

MATH (?)
First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you. Between the chord and what?
June 5, 2016

science (?)
Lack data.
June 4, 2016

statistics
Z = (score-mean)/SD Use the Z table.
June 3, 2016

Algebra
Why do YOU think this? Might it be helpful in your later life?
June 3, 2016

math
The current value is $200. The cumulative value = $200 * 15 * 12
June 3, 2016

Science
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 4MV = 4*MV
June 3, 2016

Mathematics (?)
No picture. Ramp of 97.4 degrees is almost right angle. Typo?
June 2, 2016

algebra 1
agree
June 2, 2016

Algebra
Can a picture frame be -20?
June 2, 2016

Vocabulary
Disagree
June 2, 2016

Vocabulary
agree
June 2, 2016

CHECK my answers for DRIVERS ED
1, 2, 3, 4, 5, 9. agree 6. what is your answer? 7, 8. DK
June 1, 2016

math
Either-or probabilities are found by adding the individual probabilities.
June 1, 2016

maths (?)
Do you mean X^3 = 36.13 * 10^-24?
June 1, 2016

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Second step x4/36 = (2/3)/36
June 1, 2016

math (?)
lack data
June 1, 2016

Math
8 for $5 = 4 for $2.50 That is 100% profit on those 4 oranges, assuming that the other 4 oranges are not just thrown in the garbage.
June 1, 2016

Maths
L = 2W+3 2L + 2W = 150 Substitute 2W+3 for L in the second equation and solve for W.
May 31, 2016

math
48 hours = 2 days What is Ro?
May 31, 2016

math
If inversely proportional, if x is increased by 50%, y should decrease by 50%.
May 31, 2016

Math
State you specific problem(s) and we will do our best to help.
May 31, 2016

Math (?)
How many green tiles are there?
May 31, 2016

Math (?)
No mosaic shown. Cannot copy and paste here.
May 31, 2016

Math
Area of circle = π(r^2)
May 31, 2016

Math (?)
What following?
May 31, 2016

maths (?)
Does "total area" include the top and bottom or just the sides? Painted area = 2*80*48
May 31, 2016

Stats
disagree
May 30, 2016

Math
1. agree 2. Either-or probabilities are found by adding the individual probabilities. 1/6+3/6 = ? Unmarked. Agree 3. disagree, notice the word, "NOT" 4. disagree, how many T's or A's are there? 5. agree
May 30, 2016

math (?)
What is your question?
May 30, 2016

Biology
Use the Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl Remember that it is a recessive gene.
May 30, 2016

Math word (?)
Does general = student?
May 29, 2016

help science
Since this is not my area of expertise, I searched Google under the key words "steps for DNA duplication" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=steps+for+DNA+duplication&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can...
May 29, 2016

Biology (?)
Do not understand what you are asking.
May 29, 2016

Biology
https://www.google.com/search?client=safari&rls=en&q=piunnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
May 29, 2016

Bio
But only the female can be a "carrier," having the sex-linked trait in the genotype, but not in the phenotype.
May 28, 2016

Bio
Sex-linked traits are X-linked traits. What does that tell you?
May 28, 2016

Bio
DNA makes up the code for all living things.
May 28, 2016

math
Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. I'll let you do the calculations.
May 28, 2016

SCIENCE PLZZ HELP!!!
Read bobpursley's answer again... very carefully.
May 28, 2016

physical science (?)
No above mentioned.
May 28, 2016

Math
Do you want the discounted price? If so: (1-.55)$16.99 = ?
May 27, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .65^4 = ?
May 27, 2016

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. When multiplying/dividing, exponents are added/subtracted respectively. 4^3 * 4^12 ≠ 4^36 (wrong) x^11/x^4 = x^7 (right)
May 27, 2016

math
Right
May 27, 2016

Biology
What various types of microscopes would you be using?
May 26, 2016

Math
1. Agree 2. disagree 6, 7, 10, 13. agree 15, ?. disagree 18. agree 19. disagree 20. 129*.25 = 32.25 Rather than typing "(my answer)," just use "***" to indicate that. It will save you lots of typing.
May 26, 2016

math
7x−2y=15 x+y=6 Multiply second equation by two and then add the equations.
May 26, 2016

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