Friday
September 19, 2014

Posts by PsyDAG


Total # Posts: 18,216

Math
Fourteen point one minus w Z divided by 8, then minus 9
September 10, 2014

Math
√29 = 5.3852 5 2/3 = 5.67 5.67 > 5.3852
September 10, 2014

statistics
I'm not sure what you mean by "answers assertively." Number of individuals answering yes. 10 * 100 * .5 = ?
September 10, 2014

algebra
5D = Q D + 6 = N .05N + .10D + .25Q = 5.30 Substitute terms. .5(D+6) + .10D + .25(5D) = 5.30 Solve for D, then N and Q.
September 9, 2014

Algebra
What would lead to a product of -3? (1,-3 or -1,3) From the two end terms, what would add to -2? Since the first term has to be 1, the last term has to be -3 to = -2. Include the a and b terms. I hope this helps.
September 9, 2014

living environment
1) Right 2) Remember that some of the products are not necessarily drinkable, e.g., soap, oil.
September 9, 2014

Algebra I
10x - x^2 = 3x - 10 50 - 25 ≠ 15 - 10 You are right.
September 9, 2014

Science!
No, how does the oven gauge what level of heat to release?
September 9, 2014

5th grade math
What product? If a decimal, delete all the zeros after the last real number, e.g., 56.17000 = 56.17.
September 9, 2014

math
Have the vertical axis (ordinate) represent frequency and the horizontal axis (abscissa) represent score values. Find the range of marks, arrange score values from low on left to high on right. Depending on the number of students, your might want to group the values into ...
September 9, 2014

Math
100 = 10^2 Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 5.97 * 10^23 * 10^2 = 5.97 * 10^25
September 9, 2014

Math
When divided by 5, to get a remainder of 4, the ones number must be either 4 or 9. Four is eliminated, because it is not odd. To sum to 10, the first number must be 1 --> 19.
September 9, 2014

Math
No. y + 2y = ?
September 9, 2014

Math
No, what happened to the w?
September 9, 2014

Urgent Spanish Check

September 9, 2014

math
Nothing shown.
September 9, 2014

algebra
A = 2S 2.25A + 1.75S = 1150 Substitute 2S for A and solve for S, then A.
September 9, 2014

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 calculated.
September 9, 2014

math
Are you talking about the median? https://www.google.com/search?client=safari&rls=en&q=calculating+median&ie=UTF-8&oe=UTF-8&gws_rd=ssl
September 9, 2014

Statstics
Median = 50th percentile
September 9, 2014

stats
What is your Question? SD = √variance
September 9, 2014

statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (for two-tailed, .05 and .01) and get the respective Z scores. 90% = Mean ± Z(SD) 98% = mean ± Z(SD) ...
September 8, 2014

Statistics
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. https://www.google.com/search?client=safari&rls=en&q=calculating+median&ie=UTF-8&oe=UTF-8&gws_rd=ssl#rls=en&q=calculating+correlation+...
September 8, 2014

statistics
It would help if you proofread your questions before you posted them. Does your "f" key not work well?
September 8, 2014

algebra
The memory used for a photo is variable. Also you don't indicate the total memory.
September 8, 2014

Algebra
Combine common terms. 2x^2 + 5x = 0 Factor. x(x+5) = 0 You should be able to take it from here. Check by inserting values found into the original equation.
September 8, 2014

Biology please help!
CO2 in the blood is the controlling factor for breathing rate.
September 8, 2014

Biology
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 your later post.
September 8, 2014

math
5 * 10^-5 liter
September 8, 2014

math
Assuming the $15 is a one-time charge for the wet suit… 25h = 20h + 15 Solve for h.
September 8, 2014

Math
It depends on the distance. For a long distance, like Greyhound, the number of seats. For a shorter distance, like a intracity bus, the number of seats plus the room for standing.
September 8, 2014

please check see if im correct
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. If you are using level of significance of P < .05, Z > 1.96.
September 8, 2014

Biology - very urgent
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 last post.
September 8, 2014

Math
What second column?
September 8, 2014

Biology
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.
September 8, 2014

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 81/(729+81) * 350/(350+350) = ?
September 8, 2014

geometry
If they are labeled identically, wouldn't they be measuring the same thing? I would assume that they are not perpendicular, but identical. However, assuming a labeling typo, I would agree.
September 8, 2014

SS
Yes, but you might want to express it in distance units rather than time.
September 8, 2014

Biology
Welcome
September 8, 2014

Biology
Since you inhale oxygen and exhale carbon dioxide, I would agree with you.
September 8, 2014

math
11(1 - .03) = ?
September 8, 2014

Science
Doesn't that depend on your definition of "more"? In the desert, it probably would. However, once the plant becomes saturated, I don't think so.
September 8, 2014

Speech
Welcome
September 8, 2014

Speech
Title: Right to Life If your mothers were pro-abortion, how many of you would not be here? Even if you don't use these, they might help you to think of your own.
September 8, 2014

Speech
What is the purpose of your speech? Are you just providing information, or are you advocating a pro or con position?
September 8, 2014

math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1) 7.34 * 10^-8 2) I assume the dashes in front of your choices are not meant to be negative signs. 10^-3 = .001 10^-4 = .0001 10^-5 = .00001 That should help you to ...
September 8, 2014

speech
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. My response to your later post still applies.
September 8, 2014

math
.6 * $18 = ? (Where is this clothing store? I would love to go to that sale.)
September 8, 2014

Statistics
68% is between Z of 1 and -1. Insert values of Z and solve for the scores. Z = (score-mean)/SD
September 8, 2014

statistics
Do you have a random number table? Start at any point and use applicable three digit numbers.
September 8, 2014

math
We would have to know the decimal first. For example, .5 = "point five" or "one half"
September 7, 2014

pseudocode
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.
September 7, 2014

biology
You would want to say that there is no control group — one which receives neither extra water nor extra fertilizer. You can have more than one independent variable. An independent variable is the potential stimulus or cause, usually directly manipulated by the ...
September 7, 2014

Math
1 Divide 1,000,000 by the various other numbers: 100, 100,000, 10,000 and 1000. 247 rounds to nearest 10 = 250. Double that.
September 7, 2014

science
Since a meter (m) = 39.37 inches, at 28 m, you must have a gigantic head! Typo? 1000 mm = 1m 100 cm = 1 m 1000m = 1 Km
September 7, 2014

algebra
56 + .16x > 112 + .08x Solve for x.
September 6, 2014

Math
0º C = 32º F
September 6, 2014

statistics
Either-or probabilities are found by adding the individual probabilities. Out of 52-card deck, there are four 4s, four 5s and 13 spades. However, 2 of the spades are a 4 and a 5. Can you work it from there?
September 6, 2014

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. I'll let you provide the examples.
September 6, 2014

statistics
(43 -25)/43 = ?
September 6, 2014

Math
What is you question?
September 6, 2014

math
48 + x = 3(10 + x)
September 6, 2014

math
Yes
September 6, 2014

Math
Mean = ∑x/n
September 6, 2014

science
What is your reaction time?
September 6, 2014

Math
How many balls does she have originally?
September 6, 2014

visual arts
Since this is not my area of expertise, I searched Google under the key words "7 principles of design" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=7+principles+of+design&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find ...
September 6, 2014

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 6, 2014

Stats
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 "...
September 6, 2014

Business Math
x - .3x = $72.09
September 5, 2014

statistics
In a normal distribution, mean, mode and median have same value. Median is 50th percentile, so what is the Z score at the mean?
September 5, 2014

biology
Since this is not my area of expertise, I searched Google under the key words "anthocyanins light sugar" to get these possible sources https://www.google.com/search?client=safari&rls=en&q=anthocyanins+light+sugar&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can ...
September 5, 2014

spanish
If you are looking for the English equivalent, high school.
September 4, 2014

statistics
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 of the Z score. Probability > .50.
September 4, 2014

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 3, 2014

History
Pair trust/mistrust bars with different colors. Do this for each area.
September 3, 2014

math
Looks like Mojave was much less than the others. Do you want to make a pie chart or do X^2 (Chi square) analysis?
September 3, 2014

math
What table? August?
September 3, 2014

math
8,924,001
September 2, 2014

math
Multiply top equation by 2. 2x + 4y = 14 3x - 4y = 6 Add the two equations. 5x = 20 Solve for x, then y.
September 2, 2014

math for praaaaaaaajiiii
Unsure of what you are asking. √39 = 6.245
September 2, 2014

math
What numbers?
September 2, 2014

math
It would help if you proofread your questions before you posted them. I assume you mean 4.5% commission. 148,500 * .045 = ?
September 2, 2014

math
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.
September 2, 2014

math
A. $25.98 + 14.99 + 2.46 = ? B. $50 - ? = ??
September 2, 2014

Spanish
I prefer "¿Qué pasa?", but I don't know if that would be formal. You might try "¿Cómo lo pasa Vd?"
September 1, 2014

math
L = 3W - 10 LW = (3W-10)W = 3W^2 - 10W = 77 3W^2 - 10W - 77 = 0 Solve quadratic equation for W, then L.
September 1, 2014

math
(68/12)/8 = T/21 = 5.67/8 Solve for T in feet.
September 1, 2014

Psychology (Jill)
First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. Second, you are comparing naturalistic observation and being participant ...
September 1, 2014

English
2. in the hallway 4. Trash on the flower pots? 5. Won't the team win first place? 7. What is a magic block? With all the cleaning, are you trying for a job as janitor?
September 1, 2014

statistics
Work it from the other end, so you are using fewer values. You are less likely to make mistakes. A. 100(1.00 - .019) = ? B. 100(1.00 - .193) = ?
August 30, 2014

Math
(55min. * 7 classes * 5 days)/(60 min./hour) = ?
August 29, 2014

English
1. The visit. Elderly can be used to modify both.
August 29, 2014

English
A postcard is an open-faced correspondence, while a letter can be much longer and is typically enclosed in an envelope, so #2 does not mean #1. Delete "take" in first sentence. It would be more specific to indicate the topic of your speech and the type of conference...
August 29, 2014

Math
Answer what? Need to include original question.
August 29, 2014

math
6 is one more than 5, and they sum to 11.
August 29, 2014

science
It would help if you proofread your questions before you posted them. What is "ch3cn"?
August 28, 2014

math
14.75/29.50 = .5 Multiply by 100 for the percentage.
August 28, 2014

Science
Sorry, I misread. It said incorrectly. Agree.
August 28, 2014

Science
Disagree.
August 28, 2014

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