Wednesday
September 28, 2016

Posts by PsyDAG

Total # Posts: 22,391

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.
September 3, 2016

math
mean = ∑x/n Since you just want change you can ignore direction. Use absolute values. Disagree
September 3, 2016

math
Have more confidence in yourself.
September 3, 2016

math
Agree with answer. Why are you not sure of your addition?
September 3, 2016

math
12 - 3 + 10 - 15 = ?
September 3, 2016

algebra 1
-3*4 = -12 A negative times/divided by a negative is positive. -12/-6 = 2
September 3, 2016

algebra 1
disagree
September 3, 2016

math
123,456
September 3, 2016

algebra 1
agree
September 3, 2016

Math
450 = 3/4, then 150 = 1/4 full = 600 2/3 * 600 = ?
September 3, 2016

math
29.97 * .2 + ?
September 3, 2016

Math
Assuming that you mean what she gets that week, I agree.
September 3, 2016

math (?)
No table. Cannot copy and paste here.
September 2, 2016

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
September 2, 2016

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.
September 1, 2016

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.
August 31, 2016

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.
August 31, 2016

Science
How many significant figures do you want? I would pick C. http://www.purplemath.com/modules/rounding2.htm
August 31, 2016

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.
August 31, 2016

Math
(100)16/(26+19+21+16+32) = ?
August 31, 2016

Math (?)
No model pictured. Cannot copy and paste here.
August 30, 2016

Math
Is the blank space supposed to be a decimal point? 10,000 + 1,000 + 700 + ....
August 30, 2016

science
conclusion
August 29, 2016

algebra
m - 150 = g m - 190 = g/2 m - 190 = (m-150)/2 Solve for m.
August 29, 2016

Statistics
Maybe this will help: https://www.google.com/?client=safari#q=venn+diagram+template&gws_rd=ssl
August 29, 2016

Statistics
Cannot draw Venn diagram here.
August 29, 2016

science
atomic number?
August 28, 2016

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.
August 28, 2016

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 28, 2016

math
2.4/12 = ?
August 27, 2016

physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 27, 2016

Algebra
3750 = 3000c - 900 Add 900 to both sides, then divide both sides by 3000.
August 26, 2016

Math
4,999 + 4,998
August 26, 2016

Statistics
A) 12/40 B) 13/40 * 100 C) 4/12 * 100 D) (40-13-12)/40
August 25, 2016

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 ...
August 25, 2016

Algebra 1 (?)
What variables?
August 24, 2016

science
Talk to your school counselor. That person should be able to answer your question better than we could.
August 23, 2016

algebra
-(a)^n will always be negative. (-a)^n will be positive for the even powers.
August 23, 2016

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 ...
August 22, 2016

Math
df = (4-1)(5-1) = 12 Looking up 17.209 at 12 df gives you .20>P>.10. What does that tell you?
August 21, 2016

Chemistry needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 21, 2016

Math
(400-320)/400 = ? (convert to percent).
August 21, 2016

Math
-2 * 3 = ?
August 19, 2016

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 ...
August 19, 2016

geometry
Are they the same height?
August 18, 2016

geometry
.23033 Km = 230.33 m 35.42: 230.33
August 18, 2016

Social Studies
no ur right
August 18, 2016

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?
August 18, 2016

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...
August 18, 2016

Physics needs help
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
August 18, 2016

biology
1 and 2 fine. Still disagree with 3.
August 17, 2016

biology
Disagree with 3.
August 17, 2016

Math
.85
August 17, 2016

biology
No, any child will get either A or B from mom.
August 17, 2016

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
August 17, 2016

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.
August 16, 2016

math
The progression divides by 5.
August 16, 2016

Math
1) divide both sides by 5 2) subtract 1 from both sides 3) divide both sides by 6
August 15, 2016

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 ...
August 15, 2016

math
2(55) + .38(94-40) = ?
August 14, 2016

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.
August 14, 2016

math
It would help if you proofread your questions before you posted them. "the numerator of a fraction is 3 less than the numerator"?
August 14, 2016

Math
520/5 = 104 sq inches for base Area of cardboard = 105 + 4(5^2) Length = √area
August 14, 2016

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 ...
August 14, 2016

algebra
Cheepers = 39x + 20 Busters = 49x
August 13, 2016

Math
Welcome
August 13, 2016

Math
12 * 10 = 120 yards 7.5 * 10 = 75 yards sq yard = 9 sq feet 9(120 * 75) = ?
August 13, 2016

math (?)
It would help if you proofread your questions before you posted them. Which it won? total - won = lost (assuming no ties)
August 13, 2016

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.
August 13, 2016

Math (?)
It would help if you proofread your questions before you posted them. According to your data, they all study.
August 13, 2016

Math
9 - (-16+5) = 9 + 16 - 5 = 20
August 11, 2016

Math (?)
Both the brownies and case have depth. Not given. For a tray: (12*16)/(2*2) = ? Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
August 11, 2016

Math
3 + 2 = 5 5 * 4 = ?
August 11, 2016

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .15^3 * .85^9 = ?
August 11, 2016

Math (?)
It would help if you proofread your questions before you posted them. How much more? 23,20; 30,13....
August 11, 2016

math
3/8 + 4/8 = ?
August 10, 2016

probability
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 13/52 * 13/52 = 1/4 * 1/4 = ?
August 9, 2016

probability
Use Punnett Square with Rr and RR.
August 9, 2016

probability
Use Punnett square with Rr and rr. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=sslhttps://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
August 9, 2016

Science
If you are defining life as vs. non-life, yes.
August 9, 2016

fundamentals of math (?)
perpendicular bisector
August 6, 2016

Fundamentals of Math
Change meters to cm. 49/90 = x/3600 Solve for x.
August 6, 2016

math
4000 ≤ 0.25m + 1300 2700 ≤ .25m 2700/.25 = m
August 4, 2016

Mathematics
Speed = distance/time speed * time = distance Convert time to hours.
August 4, 2016

Biology assignment
Since this is not my area of expertise, I searched Google under the key words "Water properties photosynthesis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Water+properties+photosynthesis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
August 4, 2016

PSY 202 - Abnormal Psychology
I searched Google under the key words "Major Depression symptoms" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Major+Depression+symptoms&ie=UTF-8&oe=UTF-8&gws_rd=ssl Do the same for Anxiety Disorders. In the future, you can find...
August 4, 2016

Math
What is your question?
August 3, 2016

math
7x - 3x = 24 Solve for x, then 3x.
August 3, 2016

Math
The only even number > 6 and < 10 = 8.
August 3, 2016

Algebra
Let x = minutes 40 + .20(x-250) = total monthly Treat any negative value of x-250 as = zero.
August 1, 2016

Physics needs help
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.
August 1, 2016

Statistics (?)
What is your question?
July 30, 2016

Math
Let x = wheel x + 2x + 3x = 60 Solve for x, then 2x and 3x.
July 30, 2016

statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
July 29, 2016

Stats
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.
July 28, 2016

math
one hundred thousand two hundred and three 100.203 * 10^3
July 28, 2016

maths
Do you read your own question? 27?
July 28, 2016

maths
"fifthy" 50?
July 28, 2016

math
.15 * 240,000,000 = ?
July 28, 2016

value
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.
July 28, 2016

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