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Posts by PsyDAG

Total # Posts: 23,315

math
Cannot graph on these posts.

Math
40/7 = x/20 Solve for x.

Math
Although each chosen color was the most likely, the majority of the time (55%) they will be wrong.

science
Sexual reproduction involves a chance combination of half the chromosomes from each parent. It is impossible to tell how it effects the chances for survival for AN organism, but with severe environmental changes, it increases the chances that some members of the species will ...

english speech
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.

MATH help asap
You need to post the specific problem, so we can give an adequate response.

Math (?)
It would help if you proofread your questions before you posted them. Second car speed?

Math
10/3 = x/.5 Solve for x.

Math
In the two hours, first car has traveled 70 miles. 55x = 70 + 35x Solve for x. 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.

math
54/18 = 3

Science
Every question answered brings up new questions. Can you think of a better way than the inquiry process?

Science
Since this is not my area of expertise, I searched Google under the key words "How Can Nitrogen Be Obtained From Ammonia Gas? " to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=How+Can+Nitrogen+Be+Obtained+From+Ammonia+Gas%3F&ie=UTF...

Maths
It would help if you proofread your questions before you posted them. You are missing a number between - and /.

statistics
5 * 10 * 6 * 8 = ?

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.

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

Math (?)
What graphs? Cannot copy and paste here.

Math
one

math
431,205,601

Algebra
22.50 = (1-.25)p Solve for p.

Science
...or predator.

Science
It matches the background, so they are less likely to be detected as prey.

Math
Just think of Arctic Circle, where the sun is up 24 hours a day during the summer.

Math
Correlation does not necessarily mean causation.

Math
Convert to decimals to clarify. .6 + .7 = 1.3 lbs 1.3/.8 = ?

Geometry
Have no idea about length of line. Cannot copy and paste here.

math
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. 8 + 12p ≤ 140 Solve for p.

stats
Do you know the 68-95-99.7 rule? Approximately 68% of scores in normal distribution are within one standard deviation (34% on each side of the mean), 95% within 2 SD, and 99.7% within 3 SD. Z = (score-mean)/SD You can also find table in the back of your statistics text labeled...

profit and loss (?)
It would help if you proofread your questions before you posted them. What is your question?

Science PLEASE HELP
Since this is not my area of expertise, I searched Google under the key words "what functions do individual cells perform that are similar to the functions of our bodies?" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=what+...

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.

math
Assuming all rows have the same number of seats: 600/36 = 16.67 = ?

MATH
The one boy could be born first, second, third or last, 4 ways. The rest will be girls. Cannot do a tree diagram here.

Statistics
P(65+) = .2 P(<65) = .98 P(2<65 of 6) = .98^2 * .2^4 = ? Cannot construct probability distribution here.

Math
Specific weight is weight per unit volume. 540/(5)^3 = ? g/cc

Algebra
A = C + 4 9A + 5C = 76 Substitute C+4 for A in the second equation and solve for C. Insert that value into the first equation to solve for A. Check by putting both values into the second equation.

math
mean = ∑x/n Since you just want change you can ignore direction. Use absolute values. Disagree

math
Have more confidence in yourself.

math
Agree with answer. Why are you not sure of your addition?

math
12 - 3 + 10 - 15 = ?

algebra 1
-3*4 = -12 A negative times/divided by a negative is positive. -12/-6 = 2

algebra 1
disagree

math
123,456

algebra 1
agree

Math
450 = 3/4, then 150 = 1/4 full = 600 2/3 * 600 = ?

math
29.97 * .2 + ?

Math
Assuming that you mean what she gets that week, I agree.

math (?)
No table. Cannot copy and paste here.

Pre-algebra
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(red) = 3/6 P(blue) = 5/6

algebra
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 (.25) and its Z score. Insert data into above equation and solve for score.

AP Psychology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results.

Examples
Don't know about your statistics, but here is answer to your question. com·mon stock noun NORTH AMERICAN shares entitling their holder to dividends that vary in amount and may even be missed, depending on the fortunes of the company.

Science
How many significant figures do you want? I would pick C. http://www.purplemath.com/modules/rounding2.htm

science
A main point in this question is "you." 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.

Math
(100)16/(26+19+21+16+32) = ?

Math (?)
No model pictured. Cannot copy and paste here.

Math
Is the blank space supposed to be a decimal point? 10,000 + 1,000 + 700 + ....

science
conclusion

algebra
m - 150 = g m - 190 = g/2 m - 190 = (m-150)/2 Solve for m.

Statistics
Maybe this will help: https://www.google.com/?client=safari#q=venn+diagram+template&gws_rd=ssl

Statistics
Cannot draw Venn diagram here.

science
atomic number?

Statstics
Z for .01 on each side is approximately 2.33. 98% = mean ± Z(SD/√n) = 128 ± (2.33)(21/√41) I'll let you do the calculations.

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

math
2.4/12 = ?

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

Algebra
3750 = 3000c - 900 Add 900 to both sides, then divide both sides by 3000.

Math
4,999 + 4,998

Statistics
A) 12/40 B) 13/40 * 100 C) 4/12 * 100 D) (40-13-12)/40

biology
Let N = normal allele and b = colorblind Parents are XNY and XNXb Only the girls in the first generation carried the b. If the boys had the b, they would be colorblind, because there would be no N on the Y chromosome. To produce 50% colorblind, the males must have married ...

Algebra 1 (?)
What variables?

science
Talk to your school counselor. That person should be able to answer your question better than we could.

algebra
-(a)^n will always be negative. (-a)^n will be positive for the even powers.

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

Math
df = (4-1)(5-1) = 12 Looking up 17.209 at 12 df gives you .20>P>.10. What does that tell you?

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

Math
(400-320)/400 = ? (convert to percent).

Math
-2 * 3 = ?

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

geometry
Are they the same height?

geometry
.23033 Km = 230.33 m 35.42: 230.33

Math?
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What is your question?

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

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

biology
1 and 2 fine. Still disagree with 3.

biology
Disagree with 3.

Math
.85

biology
No, any child will get either A or B from mom.

biology
N = normal gene, a = albino Both parents must be Na. Use a Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 8 * 5/6 = 40/6 = 20/3 4 * 1/4 = 4/4 = 1 110 * 21/66 = 2310/66 = 770/22 = 385/11 = 35 I have given examples of the process. You do the rest.

math
The progression divides by 5.

Math
1) divide both sides by 5 2) subtract 1 from both sides 3) divide both sides by 6

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

math
2(55) + .38(94-40) = ?

algebra
It would help if you proofread your questions before you posted them. You state the probability (1/4). Unless there is more data, that is the odds.

math
It would help if you proofread your questions before you posted them. "the numerator of a fraction is 3 less than the numerator"?

Math
520/5 = 104 sq inches for base Area of cardboard = 105 + 4(5^2) Length = √area

science
Since this is not my area of expertise, I searched Google under the key words "produce tonics to reduce stress" to get these possible sources. https://www.google.com/search?client=safari&rls=en&q=produce+tonics+to+reduce+stress&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...

algebra
Cheepers = 39x + 20 Busters = 49x

Math
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