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Posts by PsyDAG

Total # Posts: 23,393

Math
3t = 5c

Math
The field is 30 by 10. Figure it from there.

science
From Google: Eukaryotic organisms, such as algae, fungi, and higher plants, have multilayered cell walls composed in large part of either cellulose or chitin . Cellulose and chitin are polysaccharides , meaning they are composed of many linked sugar molecules.

science
agree

Math
You figured the area. The athlete runs the perimeter = 50 * 4 = 200 Kilometer = 1000 meters. (3*1000)/200 = ?

STATISTICS
.95 = mean ± Z(SD) = 1050 ± 290Z Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability (±.025) and its Z score. Insert the Z score into the equation ...

math (?)
By what process?

Statistics
Have you considered the fact the the king and/or the 10 could be a heart? Consider those probabilities. Either-or probabilities are found by adding the individual probabilities.

Math
A is right.

Math
Disagree. Watch out for "always" and "never" answers.

math
2/3 * 3/4 = ?

Math
Cannot diagram here. Distance A-C, use Pythagorean theorem. https://en.wikipedia.org/wiki/Pythagorean_theorem Total distance = 9 + 12 = ?

Health (Ms. Sue Check Please)
Not knowing WHY the doctor is worried about Kori's cardiovascular health, I would tend to agree.

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

life sciences (?)
Lack data. No leaves.

English
1. 3 * 300ml = 3 * .3 liters = .9 liters 2 and 3 are even less, but 2 = .005 liters, 3 = .015 liters 4. is a possibility, but that is too much water. It would be better to express all in liters, but you would want them to drink more than .0015 liters a day.

English
All are okay, but 2 is better than 1. 3. would be like using weights that are too heavy. 4 would probably relate to frequency or duration of exercise. 5 would relate to frequency. 6. would relate to duration.

Maths (?)
No data. Cannot draw a flow chart here.

Math
However, I will give you a start. Convert all to cubic yards. Even so, there are several problems in making a comparison. Here are some examples: Knowing the size of the yard = (80/3)^2 sq yards is not really helpful, because you don't know the depth of the soil that will ...

Math
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.

Biology-Genes
Use a Punnett square. https://en.wikipedia.org/wiki/Punnett_square Red fish are all rr. Green fish are either GG or Gr.

Math (?)
No tables shown. Cannot copy and paste here.

mathematics
Cannot draw on these posts.

algebra
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 ...

Mathematics Algebra
value ? (b^2-a^2)

Math
Welcome

Math
you got it!

Math
1) 8/500 = x/20,000 2) 15/50 = x/2000

MMATH08
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. Second, it would help if you proofread your questions before you posted them. If you are using only "10 aquare" tiles of gigantic size: ...

Algebra
5) Multiply first equation by 5. 5x - 20y = 60 6) Multiply first equation by 4. 4y - 24x = -12 Subtracting first equation from the second, what does that tell you?

Science (?)
Lack data.

Science
agree

Algebra
x/3x = 1/3x = 1/3(100) = .333

genetic variation and biotechnology
agree

Science
It has to pump blood into the whole body.

Maths
See following post.

English
1. Disagree. Why would she consider it a "slap in the face"? 2. Disagree. 3. Agree

Math
Disagree. There are only 6 sides of a cube.

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 * 3/6 = ?

Mathmatics plz help
agree on both

math (?)
What is your question? Cannot copy and paste here.

Math
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, I will start you out. 3g + 4g + 8.4g = 15.4g 1g = 1000mg 3000mg + 4000mg + 8400mg...

math
Glad you figured it out by yourself.

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Either-or probabilities are found by adding the individual probabilities. I will do one problem for you, so you can see the ...

science
Cannot copy and paste here.

Statistics
Work from the opposite end. !! or more = 3/36 = 1/12 5,6 6,5 6,6 1 - 1/12 = ?

Math (?)
No frequency table. Cannot copy and paste here.

Algebra
Assuming you have no typos: y = 500 + 2.45x

English
When you are suddenly very afraid, your adrenaline production jumps, causing many bodily changes.

English
2, 4, 6 and 8 are correct. 10. possibly, probably, likely?

foreign language
From Google: Translated roughly, it means "I bow to the God within you", or "The Spirit within me salutes the Spirit in you"

statistics(?)
What is your question?

Statistics
Disagree. 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 of the Z score. Multiply by 100.

math
Cannot graph here.

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

Science
Since this is not my area of expertise, I searched Google under the key words "calculate specific heat and thermal energy" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=calculate+specific+heat+and+thermal+energy&ie=UTF-8&oe=UTF-8...

Math
What about Bosnian's answer don't you understand? Which answer can be boiled down without a square root sign?

Math
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, just as a start, I disagree with your first answer. Also, "five over eleven&...

maths
A = 105 - S 4A + 2S = 360 Substitute 105-S for A in the second equation and solve for S. Insert that value into the first equation to solve for A. Check by putting both values into the second equation.

math
I completely agree with you. My only thought is that there are typos in the book. Your typo: 25/81 ? .81

Statistics
3-7 = 5 possibilities * 4 suits = 20 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 20/52 * (20-1)/(52-1) = ?

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 of the Z score. Multiply by 100 to get the percentage.

math
.096 rounds to .10. If the last significant digit ?5, round up. If not, just delete the digit.

algebra
Between 25% and 75% of the scores is 20 points.

Math
3*10 + 10,000/12 + 1000 = ? feet

Math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

Rational number
If you convert each fraction to a decimal, it will be relatively easy to do.

Math
1-3. Wrong. Pay attention to ± signs. Did not go further.

Number problems
Starting with 12, go up the line with numbers that factor with 3 until you find one that sums to 1/3 the value. That's what I did to get the answer.

Psychology Stats and Research
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. I will start you out. State with your own notations. Ho: no difference H1: difference Z = (...

Psychology
An example of testing for the truth would be the validity scales of the MMPI. https://scholar.google.com/scholar?q=mmpi+validity+scales&hl=en&as_sdt=0&as_vis=1&oi=scholart&sa=X&ved=0ahUKEwi70PP18NHTAhXklFQKHV9QClkQgQMIKjAA

Algebra B (?)
Not sure of your notation. 4/?150 divided by ?189x?

math (?)
Divide it equally in terms of how many parts? Can pour from 5 liters into 3 liters to get 4 equal parts of 2 liters.

statistic
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 Use the previous process...

statistic
Use same process shown in previous post.

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 ...

Decision tool (?)
What data?

Science
They are both processes of cell division.

Math
If the median is from a larger population, then it can be true. If the median is just for the 10 students, then it cannot be true. The median is the 50th percentile.

Math
The mean serves as a fulcrum for the distribution, so it is affected by extreme scores in either direction. If they had a day in which they sold very many cameras, this would bias the mean. I would choose the median (50th percentile).

math (?)
What is your question?

math
Agree

maths variation
If this is in relation to a previous question, you need to restate that question.

Statistics (?)
What is your question?

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 scores.

statistics
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. Also, we do not have access to those studies. However, for (a) an experiment has: An ...

Biomechanics (?)
What do you need to solve?

Mrs Sue Math
Does D = d? 18d = -18 Take it from here.

maths
Variation? 15 sec = 1800m 15/1800 = x/648 Solve for x.

Biology
https://en.wikipedia.org/wiki/Punnett_square

Statistics
Do not understand "x~N(80,100)". 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 scores.

Educational Tech
Agree

math
Let x = one number and x+7 the other. x + x + 7 = 31 Solve for x, then x+7.

math
18.45/3 = 6.15 195/6.15 = ?

ELA Please check my work
A pronoun (I, me, he, she, herself, you, it, that, they, each, few, many, who, whoever, whose, someone, everybody, etc.) is a word that takes the place of a noun. In the sentence Joe saw Jill, and he waved at her, the pronouns he and her take the place of Joe and Jill, ...

Statistic
Arrange in order of value. It would range from the 4th ranked to the tenth.

Systems Analysis and Design
Cannot draw on these posts.

Math (?)
Regroup? 99 - 91 = 8

Statistics
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) and its Z score. Insert data into above equation.

statistics
a-c) Z = (score-mean)/SD Find table in the back of your statistics text labeled something like like "areas under normal distribution" to find the proportion/probability related to the Z scores. (d,e) Look up % in table to get Z score.

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