# Posts by PsyDAG

Total # Posts: 23,294

**Maths**

8*10 = 80 8*1 = 8

**Science**

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. You might try this: https://www.google.com/search?client=safari&rls=en&q=genetic+engineering...

**Anatomy and Physiology**

Disagree AORTIC VALVE. Closes off the lower left chamber that holds the oxygen-rich blood before it is pumped out to the body. Opens to allow blood to leave the heart (from the left ventricle to the aorta and on to the body).

**Statistics**

Agree SD^2 = variance

**Math**

Disagree. 1/10 = 10/100

**Mathematics**

2/3 of $60 = $40 $40 = 1/2J Solve for J.

**Psychology**

I also agree.

**Psychology**

I agree with 1, 2, and 4. However, I am unfamiliar with Myers-Briggs, so I cannot respond to that one.

**Statistic Psychology**

With an error of 3, how do you get ±1? Disagree,because 99.5% encompasses 3 times the standard error.

**maths**

Distance = rate*time = 600 * 2 1/3 Calculate distance.

**math**

It would help if you proofread your questions before you posted them. A "soda costs $99"? I assume you mean $.99. h = 2s + 1.27 = 2(.99) + 1.27 Calculate.

**Mental Health**

Disagree

**Statistics**

Z = (score-mean)/SD

**PsyDAG How can i inteview you?**

Post questions to <dagershaw@cox.net>.

**algebra (inequality)**

Welcome

**algebra (inequality)**

300 + .1x ? 1200 To solve for x, first subtract 300 from both sides, then divide both sides by .1(10%).

**maths**

I am assuming that it is 1.5%. 52,000 * .015 = ?

**Science**

The distances between planets are too great.

**math (?)**

What triangles?

**Menchville (?)**

"JAMES"?

**discret**

It would help if you proofread your questions before you posted them. Spaces? Online "^" is used to indicate an exponent, e.g., x^2 = x squared.

**Math**

Each number has the probability of 1/8. Do you need to change that to a percentage?

**Health**

Read through this to find which applies. http://psychcentral.com/lib/15-common-defense-mechanisms/?all=1

**Statisticians Interview only**

I am a psychologist who uses some statistics. Will that help?

**Bio**

The heart pumps it. I searched Google under the key words "blood circulation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Blood+circulation&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire more quickly, ...

**Math**

If x = # dogs and y = $, you are right.

**math**

42 ft = 504 inches 504/31 = approx. 16 bricks high 400/16 = 25 bricks long Take it from here.

**Maths**

M + 49 = R/2 M+49 + R/2 = 338 Substitute R/2 for M+49 in the second equation and solve for R.

**math**

Ratios are 2/4, 3/6, 10/20 and 6/24, respectively. Reduce them.

**math**

See following post.

**Biology**

I agree with your answer.

**math**

Divide formula by the largest factor that can go into all terms. 3x(x^2-4)

**Math**

Assuming they all travel in one vehicle (a bus?): 10 + 10x = 660 Solve for x.

**Algebra**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. What is your question?

**6th Grade Math**

.6(y/12)(2/3z) What is your question?

**Geometry**

Four 90 degree angles are formed by intersecting perpendicular lines.

**Math**

11 + .21m = 20 + .10m Solve for m.

**maths**

15/p = 3 Solve for p.

**Algebra**

It would help if you proofread your questions before you posted them. Insufficient data.

**Algebra 2**

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 between the two Z scores. Multiply that by 200.

**Math**

5 + .8W ? 36 Solve for W.

**math**

Is it [(5-2)*.5][(4-2)*.5](63) or 5(-2*.5)4(-2*.5)(63)? Assuming the former, = (3*.5)(2*.5)(63) = (1.5)(1)(63) Take it from there.

**value**

It would help if you proofread your questions before you posted them. Need to know units. 50 what? "63 persquare" what?

**Triangles math**

No, first triangle at 50% would have sides half of the original. Second would have sides 3 times the original. Third would have sides 5 times the original.

**Data analysis statistics and probability**

Subtract each month from the previous month and compare.

**math**

It would help if you proofread your questions before you posted them. "if the...?" 6 3-inch diameter circles can be cut within a 6 by 9 inch sheet.

**mathematics**

It would help if you proofread your questions before you posted them. "tsh32850"?

**math (?)**

What is the significance of the colons (:)?

**Maths**

1 m^2 = approx 1.2 sq. Yards. 14 * 1.2 * 18 = ?

**Math**

N = 4P N - P = 30 Substitute 4P for N in the second equation and solve for P.

**Math**

It would help if you proofread your questions before you posted them. 220 - 220/4 = 220 - 55 = 165 Assuming that you mean 20% of the remaining cards, 165 - .2(165) = 165 - 33 = 132 132 - 15 = 117

**Math (?)**

You need to include the original problem, so we have some idea about what you are asked.

**Math, Algebra**

If he sent 100 texts each month, that is a total of 400 texts during the 4 month period. 4(45.99) + 400x = 207.96 183.96 + 400x = 207.96 400x = 24 x = .06

**Math**

Welcome

**Math**

agree 1-3. 4. Assuming 2/2 is the power for 14-2, 2/2 = 1. What is any value to the first power? If formula was (5(14-2)^2)/2, then you are correct. agree with 5.

**ELA**

That's an adverb, modifying feed.

**Probability**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 9/56 * (9-1)/(56-1) * 7/(56-2) * (7-1)/56-3) = ? Which formula would fit best?

**math**

12*6*3 = ?

**math**

https://www.google.com/search?client=safari&rls=en&q=division+of+fractions/+reciprocals&ie=UTF-8&oe=UTF-8

**science**

Cannot diagram here.

**mosab bin omair**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. I cannot make sense of your question. Maybe someone with physics/chemistry background could. Online, “*” is used to indicate ...

**Math (?)**

It would help if you proofread your questions before you posted them. "? of the students were 8th graders".

**Math**

Is this the elimination method? Multiply by 24. 6n - 4m = -24 Multiply by 10. 2m + 5n = 100 Multiply second equation by 2. 10n + 4m = 200 Add the two equations. 16n = 76

**Maths (?)**

It would help if you proofread your questions before you posted them. "...$2000 per year for ? years...."

**math**

Get an equation in terms of just one of the values. q = 2n-8 = 2(2d-2)-8 2(2d-2)-8 = 1.60 + 4(2d-2+d) Solve for d, then n and q.

**math (?)**

No drawing. Cannot copy and paste here.

**Math**

d = 3q+8 .10d + .25q = 12.20 .10(3q+8) + .25q = 12.20 Solve for q, then d.

**Edit/Revise**

"it is faster than using the DVD drive" I don't know about others, but I just slip my DVD into the DVD drive in the side of my iMac to play or record. Very easy. No noise either. If this is true for other computers, do you want to use those points for your ...

**Math**

How do you get it "5 cm wide... cut from all around" when it only measures 2 cm in one direction? As far as I can tell: The area cut would be 5*2 = 10 cm^2 The remaining area would b3 25*2 = 50 cm^2

**Maths**

It would help if you proofread your questions before you posted them. "rat angled"? https://www.google.com/search?client=safari&rls=en&q=scalene+triangle+definition&ie=UTF-8&oe=UTF-8

**sceinc**

The one with the lesser mass.

**maths**

It would help if you proofread your questions before you posted them. "reaping"? Why is fencing 1.20 per 100 SQUARE meters? 1.20/100 = x/3200(?)

**biology**

No figure. Besides, 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 (?)**

What do you win?

**Statistics (Oooops)**

That would be for finding the distribution of means. Use the equation: Z = (score-mean)/SD

**Statistics**

Z = (score-mean)/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 (.75) and its Z score. Insert data into first equation and solve for score.

**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**

Assuming that you mean a control group, to see if the independent variable makes a difference.

**Maths**

89/18 = 4.9444 .9444 * 18 = ?

**Math**

If dealing with discrete whole units, 25. If not, 24.5.

**Statistics**

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 ...

**Algebra 1**

Here is what I get: x^2 - (x-3)^2 = x^2 - (x^2 - 6x + 9) = x^2 - x^2 + 6x - 9) = 6x - 9 Typos?

**algebra**

95 < 75 + .80m Solve for m.

**math college readiness**

No segment. Cannot copy and paste here.

**math**

Cannot draw here.

**math**

Any parentheses?

**math**

What are your choices?

**Working with Events**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(w) = 10/44 * (10-1)/(44-1) = ? P(b) = 12/44 * (12-1)/(44-1) = ? Either-or probabilities are found by adding the individual ...

**Math**

Jess is right for the first part. Z = (score-mean)/SD Insert the values and compute.

**math**

Emily = 5u John = (1-8/13)u

**English**

Both 2 and 4 are incorrect.

**English**

No. http://writingexplained.org/was-vs-were-difference

**math (?)**

No scatterplot. Cannot copy and paste here.

**Plz check (partial)**

1. DK, but guess at D 2. Agree 3. Agree 4. agree 5. agree 6. agree 7. agree 8. agree DK the rest.

**bio**

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

**math**

80 = one time fee x = number of months 55 = fee per month

**math**

(w+11)/7 = ?

**Math**

The mean is a fulcrum (balance point) for the distribution. The median is the 50th percentile. a) disagree b) agree

**Math**

Arrange data better. 2 and under 17% 3-5 19% 6-9 24% 10-12 13% 13 and over 27% a) agree b) disagree c) agree d) agree

**Find the probability that a person has the virus**

What virus?