Saturday
December 10, 2016

Posts by PsyDAG

Total # Posts: 22,784

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

Biology
Not knowing how they would interact, I would say B.
November 12, 2016

Math
11 !/4 = 90/8 1 7/8 = 15/8 90/15 = ?
November 12, 2016

statistics (Partial)
Why would you have an odd number of socks of any color? 2. min = 2, max = 5 3. 7/19 4. 4/(19-1) = ?
November 12, 2016

Math
7/28 = ?
November 11, 2016

math
How would you know if a score is deviant or relatively expected?
November 11, 2016

maths
Multiply second equation by 2. 4x + 2y = -8 3x - 2y = 1 Add the two equations to solve for x. Insert x into one of the equations to solve for y.
November 11, 2016

Heath
Only have 7 answers for 14 questions. If the order for the first 7 are correct, the first 3 are wrong, 4 is right, 5, 6 wrong, 7 right. It seems like you are just guessing rather than searching for the facts. Look up the terms.
November 11, 2016

maths
(1-3/5)x + 26 = 12/17x Solve for x.
November 11, 2016

Problem solving
Cannot draw here. Also, with your limited data, we don't know what you are supposed to do either.
November 10, 2016

math
3a - 4 < 5 add 4 to bot sides, then divide both sides by 3.
November 10, 2016

English
"Because" would be better than "in that." He was sad, because his father passed away.
November 10, 2016

science
Because of its small size.
November 10, 2016

statistics
(50*40) + (5*100) = ?
November 10, 2016

statistics
(60+85+92+80)/4 = ?
November 10, 2016

Matb
He has 3 animals with 4 legs and 5 animals with 2 legs. However, from your data, I don't know if the 4-legged animals are pigs.
November 10, 2016

Math grade 6, four operations
B = 38-S (B-4) = 5(S-4) Substitute 38-S for B in the second equation and solve for S. Insert that value into the first equation to solve for B. Check by putting both values into the second equation.
November 10, 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 10, 2016

math ( i need help asap ) pls
Agree on all. To indicate greater than or equal to, you can use carat key (>) plus option to give you this, ?.
November 10, 2016

Science
No choices given. Cannot copy and paste here.
November 10, 2016

health 7th
Agree with all.
November 10, 2016

algebra 1
L = 2W 2L + 2W = 76 Substitute 2W for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
November 9, 2016

8thgrademath
What geometric argument?
November 9, 2016

Algebra
R = 2G .25G + .50R = 5.00 Substitute 2G for R in the second equation and solve for G. Insert that value into the first equation to solve for R. Check by putting both values into the second equation.
November 9, 2016

algebra 2
Cannot copy and paste here.
November 9, 2016

Maths
400 - .4 = ?
November 9, 2016

STATISTICS
It would help if you proofread your questions before you posted them. You are missing some values.
November 8, 2016

Maths
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 8, 2016

stats
You have a lot of extraneous information. 500/47,600 = ?
November 8, 2016

Math
(10-6) + .50 per ride
November 8, 2016

Algebra
To "break the record," it would be any value less than 26 degrees. t ? 25 + 5
November 7, 2016

maths
a) 3 * 7 * 9 = 189 b) 189 - 171 = 18 18/9 = ?
November 7, 2016

maths
1) 1/4 * 2/3 = 1/6 2) 1/3 * 48 = 16 1/6 * 48 = 8 48 - 16 - 8 = ??
November 7, 2016

Maths
His/her baskets would be 8 per game times 6 games. These would only the ones s/he makes.
November 6, 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 I'll let you do the ...
November 5, 2016

Stats
https://www.google.com/search?client=safari&rls=en&q=statistics+t+vs+Z+distribution&ie=UTF-8&oe=UTF-8
November 5, 2016

Business
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Agree
November 5, 2016

Math 062
210/170 = x/252 Solve for x.
November 5, 2016

Maths
a. 30/150 = ? b. 10 + (120-85) = ?
November 4, 2016

biology
If dimples (d) is a recessive trait to non-dimples (N), then each parent could be NN or Nd. If one or both NN, P(N) = 100%. If both Nd, then P(N) = 75%. Thus it cannot be determined from the phenotype of the first child.
November 3, 2016

Statisics
(37-33)/(37-23) = ? (27-23)/(37-23) = ?
November 3, 2016

2nd grade math
8+5 = 13, carry the 1 to the tens column, then 1+3+4 = 8. 38 + 45 = 83
November 3, 2016

Algebra
It would help if you proofread your questions before you posted them. What are the side lengths and what is your question?
November 3, 2016

Math
The first is the absolute value regardless of sign. The second is negative.
November 3, 2016

Math
The first is the absolute value regardless of sign. The second is negative.
November 3, 2016

algebra (?)
It would help if you proofread your questions before you posted them. What equation?
November 3, 2016

math
It would help if you proofread your questions before you posted them. What function?
November 3, 2016

Maths
It would help if you proofread your questions before you posted them. "the first 600 km /h"?
November 3, 2016

Science
Since this is not my area of expertise, I searched Google under the key words "theory of evolution evidence support" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=theory+of+evolution+evidence+support&ie=UTF-8&oe=UTF-8 In the ...
November 2, 2016

statistics
Here is process: 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 (.0625) and its Z score. Insert data into above equation and solve for score.
November 2, 2016

math
I don't really understand it either. Possibly they are looking for the values that will not have a fraction of cupcake in the solution.
November 2, 2016

math
If I understand the question correctly: 6th, 12th, 18th steps
November 2, 2016

English 2 please help
Agree with all.
November 2, 2016

maths (?)
What is your question?
November 2, 2016

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