# Posts by PsyDAG

Total # Posts: 23,179

**Science (?)**

What are your alternatives?

*March 3, 2017*

**Math**

Area = bh/2 Amt Paint = bh/2(.2) quarts Insert values and calculate.

*March 3, 2017*

**Stat**

1) 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 score. 2) Insert values into above equation and solve for score.

*March 3, 2017*

**Maths**

Volume = side cubed (.5^3)x = 3^3 = 3*3*3 = 27 .125x = 27 Solve for x.

*March 3, 2017*

**Math (?)**

What is the specific question?

*March 2, 2017*

**Algebra**

48 + 11 = ?

*March 2, 2017*

**mathematics (?)**

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

*March 2, 2017*

**Math**

agree

*March 2, 2017*

**mathematics**

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

*March 2, 2017*

**Math**

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

*March 1, 2017*

**Math**

3 for the sides and 1 for the base.

*March 1, 2017*

**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 ...

*March 1, 2017*

**math**

1 Kiloliter = 1000 liters 720/1000 = ?

*March 1, 2017*

**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.

*March 1, 2017*

**Maths**

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

*February 28, 2017*

**math (?)**

What are your choices?

*February 28, 2017*

**Math**

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

*February 28, 2017*

**math**

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

*February 28, 2017*

**Math (?)**

What is your question?

*February 28, 2017*

**math**

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

*February 28, 2017*

**Science**

In one hour, the car will travel 90km.

*February 28, 2017*

**stats**

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

*February 28, 2017*

**Stats**

Use same process for ±.30.

*February 27, 2017*

**Stats**

Use method indicated in previous post.

*February 27, 2017*

**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.

*February 27, 2017*

**math**

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

*February 27, 2017*

**Math**

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

*February 27, 2017*

**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 ...

*February 27, 2017*

**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 ...

*February 27, 2017*

**Math**

Cannot create frequency table on these posts.

*February 26, 2017*

**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...

*February 26, 2017*

**Maths**

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

*February 26, 2017*

**Maths**

Cannot sketch here.

*February 26, 2017*

**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...

*February 25, 2017*

**science**

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

*February 25, 2017*

**math help now plez**

You cannot copy and paste here.

*February 25, 2017*

**Physics needs help**

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

*February 25, 2017*

**math**

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

*February 24, 2017*

**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 ...

*February 24, 2017*

**math**

2,067

*February 24, 2017*

**math (?)**

No parallelogram shown. Cannot copy and paste here.

*February 24, 2017*

**Math Word Problem**

.33 * 603 = 199

*February 24, 2017*

**math**

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

*February 24, 2017*

**math (?)**

What is your question?

*February 24, 2017*

**SS Help!(?)**

No graph. Cannot copy and paste here.

*February 23, 2017*

**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) = ?

*February 22, 2017*

**Algebra**

Good for you!

*February 22, 2017*

**math (?)**

What pattern? Cannot copy and paste here.

*February 22, 2017*

**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.

*February 22, 2017*

**Science**

Agree

*February 21, 2017*

**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.

*February 21, 2017*

**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 ...

*February 21, 2017*

**Esol**

Welcome

*February 21, 2017*

**English**

Agree

*February 21, 2017*

**geometry needs help**

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

*February 21, 2017*

**Math**

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

*February 21, 2017*

**science**

70/20 = x/230 Solve for x.

*February 21, 2017*

**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

*February 20, 2017*

**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.

*February 20, 2017*

**Math**

Disagree. Jason scored at the lower quartile.

*February 20, 2017*

**Maths**

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

*February 20, 2017*

**Vocabulary**

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

*February 20, 2017*

**psychology**

chemical, biochemical, physiological?

*February 20, 2017*

**math (?)**

No picture. Cannot copy and paste here.

*February 19, 2017*

**Math (?)**

Need more data. What is BAC?

*February 19, 2017*

**Math (?)**

No figure. Cannot copy and paste here.

*February 19, 2017*

**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

*February 19, 2017*

**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.

*February 18, 2017*

**Satistics (?)**

There is no data on stink bugs here.

*February 17, 2017*

**math**

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

*February 16, 2017*

**math**

What is missing in the "..."?

*February 16, 2017*

**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.

*February 16, 2017*

**math (?)**

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

*February 16, 2017*

**USG**

Judge on previous decisions.

*February 16, 2017*

**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 ...

*February 16, 2017*

**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...

*February 16, 2017*

**maths**

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

*February 16, 2017*

**math**

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

*February 16, 2017*

**math**

7x + 5.5 ? 19.5 Solve for x.

*February 16, 2017*

**Math**

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

*February 15, 2017*

**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.

*February 15, 2017*

**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.

*February 15, 2017*

**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.

*February 15, 2017*

**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.

*February 15, 2017*

**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.

*February 15, 2017*

**Statistics**

.59963

*February 15, 2017*

**English**

B indicates emotion.

*February 15, 2017*

**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....

*February 15, 2017*

**science**

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

*February 15, 2017*

**science**

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

*February 15, 2017*

**algebra**

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

*February 14, 2017*

**statistics and probability**

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

*February 14, 2017*

**math (?)**

No table. You cannot copy and paste here.

*February 13, 2017*

**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

*February 11, 2017*

**ratio pls help asap**

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

*February 11, 2017*

**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.

*February 11, 2017*

**Statistics**

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

*February 10, 2017*

**Math**

Cannot draw on these posts.

*February 9, 2017*

**Health**

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

*February 9, 2017*