Friday
December 2, 2016

Posts by PsyDAG

Total # Posts: 22,737

MATH
No following given. You cannot copy and paste here.
December 2, 2016

biology
Look up each term in your text or Google.
December 2, 2016

math
No table.
December 1, 2016

Math
(1-1/4)x + 10*20 = 300 Solve for x.
December 1, 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.
December 1, 2016

Math
Area = width * height 35 = 5 * ?
December 1, 2016

Math
98
December 1, 2016

math (?)
No Data
December 1, 2016

math
M = S + 20 M + S = 50 Substitute S+20 for M in the second equation and solve for M. Insert that value into the first equation to solve for S. Check by putting both values into the second equation.
December 1, 2016

Math
41 + 41/7 = Total cost Divide total cost by 2.
November 30, 2016

Statistics
H0: mean = 185 H1: mean ? 185
November 30, 2016

math
B = O + 1 12B + 20O = 108 Substitute O+1 for B in the second equation and solve for O. Insert that value into the first equation to solve for B. Check by putting both values into the second equation.
November 30, 2016

Math
540/45 = x/60 Solve for x.
November 30, 2016

Math
75, 93, 57, 39 Which one?
November 30, 2016

VU
(1-5/7)x = 500 Solve for x.
November 30, 2016

math
Z = (score-mean)/SD
November 30, 2016

Math
7.5/22 = x/13 Solve for x.
November 29, 2016

Math
7.5/22 = x/1313 Solve for x.
November 29, 2016

math
3x-2 = 91 Solve for x.
November 29, 2016

Business Psychology
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.
November 29, 2016

Science/Biology/Health and Social Care
"If the body didn't have any energy," the organism would die.
November 29, 2016

Statistics (?)
What is your question?
November 29, 2016

Statistics
95% = mean ± Z(SD) 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. Insert data into above equation and solve.
November 28, 2016

math
I don't know how this is related to math. Although this is probably not much help for you, I would choose another site.
November 28, 2016

Math
Assuming that you meant 20 distance units: 20/5 = x/12 Solve for x.
November 28, 2016

Science
Glass, water, plants....
November 28, 2016

math
1000 + 900 + 800 + 700 + 600 + 500 + 400 = 4900
November 28, 2016

maths
Mode = most frequently occurring score.
November 28, 2016

Math
1?
November 28, 2016

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.
November 28, 2016

math
3.9 + .15 = ?
November 28, 2016

Math
Outlier is most deviant score. mean = ?x/n
November 28, 2016

Math
No triangles. Cannot copy and paste here.
November 28, 2016

Math
D = 2R
November 28, 2016

statistics
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 text labeled something like "areas under ...
November 28, 2016

Math
No figures. Cannot copy and paste here.
November 28, 2016

Math
Possibly this. .2x = 16 Calculate for x.
November 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.
November 27, 2016

math
5554.52/20 = 27.73 per hour Multiply by the hours worked.
November 27, 2016

MATH HELP NEEDED prt 2
"start fraction x over 3 end fraction" is more easily written "x/3." 1. Letter answer conflicts with asterisks. 2. x/3 - 10 = -12 x/3 = -2 x = -6 Letter answer conflicts with asterisks. 3. Letter answer conflicts with asterisks. 4. Letter answer conflicts ...
November 26, 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.
November 26, 2016

Math
.09x = 18 Solve for x.
November 25, 2016

Science (?)
More data needed.
November 25, 2016

Math
Subtract 2 from both sides, then divide by 5.
November 25, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 1/3 = ?
November 25, 2016

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 6 * 6 = ?
November 23, 2016

system of equations
Multiply first equation by 3. -12x - 3y = 18 12x - 2y = -8 Add the two equations. -5y = 10 Solve for y, then x.
November 23, 2016

Math
If there are three figures total. 2(7*3) + 4^2 = ?
November 23, 2016

Math
I am assuming that the square is one of the rectangles. 7 * 3 + 4^2 = ?
November 23, 2016

Math
4/180 = x/400 Solve for x.
November 23, 2016

MATH
(x+1) + 2x + (3x+1) = 30 Solve for x, then the values of each side.
November 23, 2016

Math
Cannot draw on these posts.
November 23, 2016

science
Since this is not my area of expertise, I searched Google under the key words "what makes us cry while chopping onions" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=what+makes+us+cry+while+cutting+onions&ie=UTF-8&oe=UTF-8 In the...
November 23, 2016

science (?)
It would help if you proofread your questions before you posted them. "worm infestation of certain autoimmune disorders...."?
November 23, 2016

Algebra
2M + 22
November 22, 2016

Math
Let x = causes and y = outcome. x = 4y x + y = 30 Substitute 4y 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.
November 22, 2016

Math
Subtract estimate from exact answer.
November 22, 2016

math
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 Z in each of the situations.
November 21, 2016

Help needed
disagree
November 21, 2016

Math
2A - 3(A-6) = A Solve for A.
November 21, 2016

Math
Does "hence" mean from "10 years ago"? F = 2S F-10 = 4(S-10) Substitute 2S for F in the second equation and solve for S. Insert that value into the first equation to solve for F. Check by putting both values into the second equation.
November 21, 2016

Science (?)
No equations given.
November 21, 2016

AP Statistics - Chapter 6
1/6^10 * 5/6^10
November 18, 2016

biology
Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect's abdomen.
November 18, 2016

Science
What about it? Need to be more specific. https://www.google.com/search?client=safari&rls=en&q=athlete's+foot&ie=UTF-8&oe=UTF-8
November 17, 2016

math help pls
agree
November 17, 2016

MATHIN-HELPN!
a. 3 b. 1/2
November 17, 2016

Anatomy
Since this is not my area of expertise, I searched Google under the key words "oxytocin feedback" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=oxytocin+feedback&ie=UTF-8&oe=UTF-8 In the future, you can find the information you ...
November 17, 2016

Math
3/4x + 3.5 = 6.5 - 2/3x Solve for x.
November 17, 2016

6 grade math
Let x = length of longer pieces 2x + (x-15) = 156 Solve for x.
November 16, 2016

Algebra
Eight-sided? Assuming a 1 on one die, of the 8 sides of the other die, 1, 2, 3, 4 or 5 of the 8 ? 6. 5/8 = ?
November 16, 2016

Algebra
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 3/5 * (3-1)/(5-1) * (3-2)/(5-2) = ?
November 16, 2016

Math
50/4.80 = x/10.80 Solve for x.
November 16, 2016

math
15V + 9
November 16, 2016

Science
How far away is he standing?
November 16, 2016

cms (?)
What numbers?
November 16, 2016

Mathematics
What are the units for land measurement?
November 16, 2016

Math work
30 + 30 = 60 cards from cousin X - 1/4X - .2X - .5X = 60 Solve for X.
November 16, 2016

math
None are rounded to the nearest pound. However, unless there are typos, the closest answer would be C, since I estimate 21/3 = 7.
November 16, 2016

Statistics
SEm = SD/?n 25 = 300/?n Solve for n.
November 15, 2016

Math
M = 3S (M+10) + (S+10) = 76 Substitute 3S for M in the second equation and solve for S. Insert that value into the first equation to solve for M. Check by putting both values into the second equation.
November 15, 2016

Math check
Good estimates.
November 15, 2016

Math Statistics
SEm = SD/?n 25 = 100/n Solve for n.
November 15, 2016

Statistics
SEm = SD/?n 25 = 100/n Solve for n. Are you also anonymous? 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.
November 15, 2016

Stats
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 20/50 * (20-1)/(50-1) = ?
November 15, 2016

SCIENCE
No diagram. Cannot copy and paste here.
November 15, 2016

math
The longest one would be 5 by 1 (perimeter = 2L + 2W). Could also make 4 by 2 or 3 by 3.
November 15, 2016

maths
a) 800/20 + 1 b) 800/20 c) 20 * 21
November 14, 2016

Math
(12x-32)/4
November 14, 2016

maths
Think it again. 3 red, 4 black, 3 red, 4 black, 3 red, 4 black, 3 red, 4 black, 3 red, 4 black.
November 14, 2016

math
That means that the two side lengths are 2/3 perimeter, leaving 1/3 to be divided among the two widths.
November 14, 2016

Maximal area and dimensions of a window
Maximal area of rectangle is a square. 4w = 500 Solve for w.
November 14, 2016

math
Welcome
November 14, 2016

math
40,000 = 5000 + 2500m Solve for m.
November 14, 2016

math
3n - 26 > 10 Solve for n.
November 14, 2016

math
100(103/237) = ?
November 14, 2016

math
If you got one of each on the first three pulls, what do you think would happen on the fourth pull?
November 13, 2016

Math
one thousandths
November 13, 2016

Statistics
P(soph) = .25 P(non dorm soph) = (1-.60) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
November 13, 2016

Math
Steve got 60 cards from his cousin. x - .25x - .20x - .5x = 60 Solve for x.
November 12, 2016

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