Posts by PsyDAG

Total # Posts: 23,962

Math (?)
What is the specific question?

Algebra
48 + 11 = ?

mathematics (?)
It would help if you proofread your questions before you posted them. "a straight road observes" nothing. What is your question?

Math
agree

mathematics
one dollar = 1.2 euros 250 = 1.2 * 250 Calculate.

Math
1 ft^3 = 12 inches^3 = 12*12*12 inches = 1728 cubic inches 111(1728)/455.9 = ?

Math
3 for the sides and 1 for the base.

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

math
1 Kiloliter = 1000 liters 720/1000 = ?

Math
Assuming that he walks the middle if the path, then his radius = 21m Circumference = 2?r 5C = 5(2?r) Insert values and calculate.

Maths
13,000/5,000 = 2.6 round to 3

math (?)
What are your choices?

Math
3/28 If it was 3/27 = 1/9

math
16 ounces = 1 pound $.80/16 = ?

Math (?)
What is your question?

math
It would help if you proofread your questions before you posted them. How far is the cyclist traveling?

Science
In one hour, the car will travel 90km.

stats
a. .10 * .15 = ? b. .27 * (1-.15) = ? Use similar process for c and d.

Stats
Use same process for ±.30.

Stats
Use method indicated in previous post.

Stats
Z = (score-mean)/SD Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability (.40) and its Z score. Insert data into above equation and solve for score.

math
mean = ?x/n 75 = ?x/3 ?x = 225 mean = (225+55)/4 = ?

Math
a - 50% = .5a .5a + .5(.5a) = ?

Psychology
In classical conditioning, the unconditoned stimulus (US) is one which reflexively causes a response. One example is putting something into your mouth causes salivation. In this case the unconditioned response (UR) is the response to a US presented alone, the salivation. A ...

Genetics
Using the Punnett square, 1/4 children will have the disorder. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. A. 1/4 * 1/4 = 1/16 B. (1-1/4)^3 = (1-1/4)(1-1/4)(1-1/4) = ? Use ...

Math
Cannot create frequency table on these posts.

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

Maths
(42*30) - (40*28) = ?

Maths
Cannot sketch here.

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

science
For one, there is not an infinite supply. Secondly, they contribute to increased CO2 in the atmosphere and other pollution.

math help now plez
You cannot copy and paste here.

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
Assuming that 48 in^2 shows, that probably is 6 by 8 in., meaning that the width of the frame is 2 in.

Psych
The group designations would depend on your hypothesis. If you hypothesize that COLD would increase/decrease errors, then the students in the cold group would be the experimental group and those in the warm group would be the control. If the hypothesis was for the warmth, the ...

math
2,067

math (?)
No parallelogram shown. Cannot copy and paste here.

Math Word Problem
.33 * 603 = 199

math
12 = 3R R = 4 12 + x = 2(4+x) = 8 + 2x 4 = x 12 + 4 = 16

math (?)
What is your question?

SS Help!(?)
No graph. Cannot copy and paste here.

math
It would help if you proofread your questions before you posted them. I assume "1/1/4" is 1 1/4. (1-.10)(1.25*42000 + 10*22000) = ?

Algebra
Good for you!

math (?)
What pattern? Cannot copy and paste here.

Math
a = b + 5 a + b = -1 Substitute b+5 for a in the second equation and solve for b. Insert that value into the first equation to solve for a. Check by putting both values into the second equation.

Science
Agree

Statistics
Z = (score-mean)/SD Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability (.10) in the smaller portion and its Z score. Insert data into above equation and solve for score.

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

Esol
Welcome

English
Agree

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

Math
Assuming the half-bracket is a typo: 2 6/10 + 1 7/10 - 8/10 = 3 5/10

science
70/20 = x/230 Solve for x.

Algebra
Let the first integer be x-2, then middle integer is x and the third is x+2. (x-2)(x+2) = 12x + 9 X^2 - 4 = 12x + 9 x^2 - 12x - 13 = 0 (x+1)(x-13) = 0 11 * 15 = 12*13 + 9

Math Algebra
L = 3W-2 L*W = 65 (3W-2)W = 65 3W^2 - 2W - 65 = 0 Factor to solve for W, then insert W value in the first equation to find L.

Math
Disagree. Jason scored at the lower quartile.

Maths
4/9*90 = 40 are sheep, 1/3* 90 =30 are cows, 1/10*90 = 9 are horses. What is left?

Vocabulary
If you are narrating what is happening now, it is correct. If not, "gulped" should be used.

psychology
chemical, biochemical, physiological?

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

Math (?)
Need more data. What is BAC?

Math (?)
No figure. Cannot copy and paste here.

maths
18

bio
Assuming tall is dominant and short is recessive, use Ts and ss in a Punnett Square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8

Statistics
Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion between the mean and Z = 1.37.

Satistics (?)
There is no data on stink bugs here.

math
Get common denominator. x/50 + 2x/50 + 3x/50 + 4x/50...+ 100x/50 = ?

math
What is missing in the "..."?

science
https://www.google.com/search?client=safari&rls=en&q=methods+to+reduce+global+warming&ie=UTF-8&oe=UTF-8 Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.

math (?)
It would help if you proofread your questions before you posted them. "like this..." ??? Cannot copy and paste here.

USG
Judge on previous decisions.

math
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 ...

math statistic
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. 95% = mean ± Z(SEm) SEm = SD/?n Find table in the back...

maths
Circumference = d? Each competitor needs d? *60 cm.

math
P = 10W L = W+9 2L + 2W = P 2(W+9) + 2W = 10W Solve for W.

math
7x + 5.5 ? 19.5 Solve for x.

Math
Not knowing how big the garden is or how far apart the flowers have to be planted, I can't tell you.

Algebra/ please help!!!!
I don't agree. Annual Wage = $17*40*52 = $35,360 (No vacation?) Annual Rent = $934*12 = $11,208 Unless he is earning income from a rental, the rent is subtracted from the wages.

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. See your later post.

math
95% = 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 (±.475) and its Z score. Insert Z and other data into above equations to check.

Math Breakdown/ please help!!
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.

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.

Statistics
.59963

English
B indicates emotion.

English
The worst was yet to come. Still shedding tears, I climbed back into the hearse to return to a home, which would never be the same again....

science
https://www.google.com/search?client=safari&rls=en&q=humidity+level+vs+dew+point&ie=UTF-8&oe=UTF-8

science
https://www.google.com/search?client=safari&rls=en&q=solar+vs+lunar+eclipse&ie=UTF-8&oe=UTF-8

algebra
Cannot draw Punnett square here. However, using two RL's would do the job.

statistics and probability
To round to whole people, you would round up if it was .5 of a person or greater.

math (?)
No table. You cannot copy and paste here.

plant
Place the child twice as far from the fulcrum as the father. https://www.google.com/search?client=safari&rls=en&q=mechanical+advantage+of+seesaw+lever&ie=UTF-8&oe=UTF-8

ratio pls help asap
180/9 = 20 3*20 = 60 2*20 = 40 4*20 = 80 Use same method for the second problem.

math
2,000,000/5 = 400,000 2.61*6.14*.0043*400,000 = ? cubic inches 12*12*12 cubic inches = 1 cubic foot Solve for cubic inches, then feet.

Statistics
https://www.google.com/search?client=safari&rls=en&q=Chebyshev%E2%80%99s+theorem&ie=UTF-8&oe=UTF-8

Math
Cannot draw on these posts.

Health
This might also help. http://drdavespsychologypage.homestead.com/Learning_Hints.pdf

Math
You don't have to print "dollar sign." "$5" is adequate. This is what I assume you mean: You have $20 to spend on taxi fare. The ride costs $5 plus $2.50 per mile. $5 + $2.50m ? $20 Solve for m.

Psychology
It has been a long time since I used the Strong, but I would go with C for both.

Statistics
Use the Chi-square (X^2) method. X^2 = ? (O-E)^2/E, where O = observed frequency and E = expected frequency. ? = sum of all the cells. E = (column total * row total)/grand total df = n - 1, where n = number of cells Look up value in X^2 table in the back of your textbook.

math
First prize = 5/200 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1st and 2nd Prizes = 5/200 * (5-1)/(200-1) = ?

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