Monday
December 5, 2016

Posts by PsyDAG

Total # Posts: 22,748

Drivers ED
agree. http://dor.mo.gov/pdf/Chapter3.pdf
October 7, 2016

english
It would help if you proofread your questions before you posted them. "Vancouver, Canada" is a complete subject. "vancouver canda is in british columbia" is a complete sentence.
October 7, 2016

Health And Physical Education
It would help if you proofread your questions before you posted them. Uncomfortable what? "one BBBB"? The only defense mechanism is a.
October 7, 2016

Algebra
We cannot draw a diagram on these posts. However, the maximum are would be closest to a square.
October 7, 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 for each Z score. For C, use P(±.40) to find Z and insert into equation above.
October 7, 2016

maths
It would help if you proofread your questions before you posted them. # black balls/ total balls
October 7, 2016

Health!
Since this is not my area of expertise, I searched Google under the key words "saddle joint motion" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=saddle+joint+motion&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
October 6, 2016

algebra
mean = ∑x/n 93 = (95+92+98+76+100+x)/6 Solve for x. x ≥ ?
October 6, 2016

Math
g = 52 - c 2c + 4g = 128 Substitute 52-c for g in the second equation and solve for c. Insert that value into the first equation to solve for g. Check by putting both values into the second equation.
October 6, 2016

Health
I disagree. You are doing this to "maintain my #1 seed on the tennis team."
October 6, 2016

math please help
450 + .07s ≥ 681 + .04s Solve for s.
October 6, 2016

Math
adult size = 5.5 * 15/.75 = ? Child size = 5.5 * 15/.5 = ?
October 5, 2016

Math
7 * 4 = 28 ft^2 Each plant requires 1 ft^2. What does that tell you?
October 5, 2016

psychology (?)
What choices? You cannot copy and paste here.
October 5, 2016

Science
Which weighs more?
October 5, 2016

Statistics
"at least 4" = 4, 5, or 6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Online, “*” is used to indicate multiplication to avoid confusion with “x&#...
October 5, 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.
October 5, 2016

Biology
Since this is not my area of expertise, I searched Google under the key words "man made allopolyploid cereal crop" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=man+made+allopolyploid+cereal+crop&ie=UTF-8&oe=UTF-8&gws_rd=ssl In ...
October 5, 2016

statics
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, here is a start. If the events are independent, the probability of both/all events ...
October 5, 2016

maths
M = Et - 5 Er = 2Et Er + Et + M = 47 Substitute Et-5 for M and 2Et for Er in the third equation and solve for Et. Insert that value into the other equations to solve for M and Er. Check by putting all values into the third equation.
October 5, 2016

Math (?)
Lack data. Also cannot graph on these posts.
October 3, 2016

Math
Since this is not my area of expertise, I searched Google under the key words "what does skip half an increment mean in graphs" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=what+does+skip+half+an+increment+mean+in+graphs&ie=UTF-...
October 3, 2016

math
A had 3 wins, one loss and one draw in relation to B. That means 5 games.
October 3, 2016

algebra
5/20* 2/19* 1/18
October 3, 2016

math
$3.15/3.875 = $.81 Compare to $1.60 Not "more than 2 times the price."
October 3, 2016

Biology
Think of it this way. Over which source would the experimenter have the least control?
October 3, 2016

math
First of all, online "^" is used to indicate an exponent, e.g., x^2 = x squared, and “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Also when multiplying/dividing, exponents are added/subtracted respectively. 5....
October 3, 2016

Math115
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 you later post.
October 2, 2016

algebra
good!
October 2, 2016

algebra
Since this is not my area of expertise, I searched Google under the key words "degree of monomial" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=degree+of++monomial&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
October 2, 2016

math
Close. h = (S-2πr^2)/2πr = S/2πr - r Online "^" is used to indicate an exponent, e.g., x^2 = x squared.
October 2, 2016

math (stats)
Examples P(not green) = 1 - .15 = ? Either-or probabilities are found by adding the individual probabilities. P(blue or orange) = P(blue) + P(orange) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of ...
October 2, 2016

Science
14 days = 14 * 24 * 60 * 60 seconds 2.5 m = 2.5 * 1,000,000 micrometers micrometers/seconds = ?
October 2, 2016

Algebra
L = 2W L*W = 259 Substitute 2W for L in the second equation and solve for W.
October 2, 2016

Math (?)
Lack data. Cannot copy and paste here.
October 2, 2016

Math work
Either-or probabilities are found by adding the individual probabilities. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(RB) = 7/38 * (7-1)/(38-1) = ? P(L) = 11/38 * 10/37...
October 2, 2016

Math (?)
Typos? Smallest digit means in one's place? 245 one digit MORE than the digit in the tens place?
October 2, 2016

Genetics
http://blogs.sciencemag.org/pipeline/archives/2016/04/18/the-myth-of-ethidium-bromide For further info, Google other sources.
October 2, 2016

Finite math and probability
P(Blue) = 7/16 P(Even) = 7/16 Either-or probabilities are found by adding the individual probabilities.
October 2, 2016

Principle of color
complement of red = green https://www.google.com/search?client=safari&rls=en&q=complement+of+red+color&ie=UTF-8&oe=UTF-8&gws_rd=ssl
October 2, 2016

principles of color
get it less saturated?
October 2, 2016

algebra
You added a negative sign in front of 800 when checking.
October 1, 2016

math
If it is not a continuous variable, 25. If continuous, 24.5.
October 1, 2016

maths
(2x)^2 --> 4Y 4Y is 300% greater than Y.
October 1, 2016

Probability
4/52 * 3/51 * 2/50 * 4/49 * 3/48 = ?
October 1, 2016

stats
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (.52)^4 * (1-.52) = ?
October 1, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (1-.569)^3 = ?
September 30, 2016

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 3*10^-8 seconds = 1 m 3 seconds = ?m I'll let you find the solution.
September 30, 2016

Stat 154
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 5/100 * 4/99 * 95/98 * 94/97 * 93/96 * 92/95 * 91/94 * 90/93 = ? Or you could explore combinations and permutations. https://www...
September 30, 2016

Math
To solve for t (I'm assuming that is what you want to do.): Multiply both sides by 4 to get rid of the divisor. 2t + 14 = 3t + 36 Combine terms.
September 30, 2016

Math (?)
$8, unless you want to define your "four step plan."
September 29, 2016

Psychology
They differ in emphasis, especially motor functions, but interact via the corpus callosum. https://en.wikipedia.org/wiki/Lateralization_of_brain_function
September 29, 2016

maths
Welcome
September 29, 2016

maths
Only one possible outcome. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P (Both lemon) = 5/9 * (5-1)/(9-1) = ? P (both orange) = 4/9 * 3/8 = ? Either-or probabilities are ...
September 29, 2016

Grammar
She lit scented candles, so the air will smell sweetly.
September 29, 2016

math
Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 2x^2 - 6x - cx + a + 6
September 29, 2016

Statistics
True
September 29, 2016

statistics
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. Standard deviation = square root of variance Z = (score-mean)/SEm SEm...
September 29, 2016

Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability in the smaller area for the Z score of 1.32.
September 28, 2016

Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for the Z score of 1.32.
September 28, 2016

Statistics
Mutually exclusive — each thing makes the other thing impossible : not able to be true at the same time or to exist together. Independent — one variable does not effect another. If they are neither, they can occur together and one variable effects another.
September 28, 2016

foundations of algebra
x = first piece x+15 = second piece 2x+5 = third piece x + (x+15) + (2x+5) = 100 Solve for x, then others.
September 28, 2016

Math
To me, if it moves "10 feet in 2 minutes," then it would move 5 feet in one minute. 5 ft ≠ .2 ft
September 28, 2016

statistics
Rolls < 6. 1, 1 1, 2 1, 3 1, 4 2, 1 2, 2 2, 3 3, 1 3, 2 9/36 = ?
September 28, 2016

math
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 Z scores. Multiply by 250.
September 27, 2016

Pre-Algebra.
Round to .001?
September 27, 2016

biology
Consult blood flow diagram on Google.
September 27, 2016

Science
Since this is not my area of expertise, I searched Google under the key words "natural social systems " to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=natural+social+systems&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find...
September 27, 2016

Biology
What are your choices? will, basic?
September 27, 2016

Math
What are you choices? You cannot copy and paste here.
September 27, 2016

statistic
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
September 27, 2016

elementary algebra
44/(7+4) = 44/11 = 4 7 * 4 = 28 4 * 4 = 16 16 + 28 = 44
September 27, 2016

Math (?)
What is your question?
September 27, 2016

Math
at 1 cm each cut, 21 + 27 = 48
September 27, 2016

Math (?)
It doesn't make sense. Summing two positive numbers will not get a negative.
September 27, 2016

Math
5/6 * 3/10 = ?
September 27, 2016

Maths
It would help if you proofread your questions before you posted them. x = 75 degrees
September 27, 2016

math
Cannot construct an equi quadrilateral here.
September 27, 2016

Sociology
I searched Google under the key words "basic logic of probability sampling" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=basic+logic+of+probability+sampling&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
September 27, 2016

Statistic
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (a) .58 * .58 (b) .42 * .42 (c) "at least one" = one or two P(2) = (a) P(1) = .58 * .42 Either-or probabilities are ...
September 26, 2016

math (partial)
(A) 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. Standard deviation = square root of variance Z = (score-mean)/SEm ...
September 26, 2016

math
99% = 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 (.005) in the smaller area and its Z score. Insert data into equations above.
September 26, 2016

Math
Cannot draw tables on these posts. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. p(0) = 1/10 * 1/10 P(1) = 9/10 * 1/10 P(2) = 9/10 * 9/10
September 26, 2016

English( PLS HELP!!)
Welcome
September 26, 2016

English( PLS HELP!!)
jam
September 26, 2016

Science
water
September 26, 2016

stats
integers
September 26, 2016

psychology
We do not know the behaviors "you exhibit every day" outside of eating, drinking, breathing, sleeping, urinating and defecating.
September 25, 2016

Biology
Still don't know your question.
September 25, 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 for each Z score. For last question, use the table to find .05 and insert its Z score in the equation above.
September 25, 2016

math
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 related to the Z score. Conclusion would be related to level of significance you are using.
September 25, 2016

Algebra
2x + (x-3) = 42 Solve for x to get twins' age and subtract 3 for 3rd child.
September 25, 2016

algebra
Volume = w * h * L 18 = (5-2) * 1 * L Solve for L.
September 25, 2016

math
3x = x + 48 Solve for x.
September 25, 2016

Math
Cannot draw diagrams on these posts.
September 25, 2016

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
September 25, 2016

math
A circle has no volume, however, its area = πr^2.
September 25, 2016

math 6th grade ?
It would help if you proofread your questions before you posted them. "13 4 feet wide" = 134, 13.4, 13feet 4 inches? Also lacking data. How much lumber did he buy? How big are DVD cases and paperback books?
September 24, 2016

6th grade math
Lacking data. How big are the shelves?
September 24, 2016

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 24, 2016

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