# Posts by PsyDAG

Total # Posts: 23,188

**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.

*January 22, 2017*

**Mental Health**

Disagree

*January 22, 2017*

**Statistics**

Z = (score-mean)/SD

*January 22, 2017*

**PsyDAG How can i inteview you?**

Post questions to <dagershaw@cox.net>.

*January 21, 2017*

**algebra (inequality)**

Welcome

*January 20, 2017*

**algebra (inequality)**

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

*January 20, 2017*

**maths**

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

*January 20, 2017*

**Science**

The distances between planets are too great.

*January 19, 2017*

**math (?)**

What triangles?

*January 19, 2017*

**Menchville (?)**

"JAMES"?

*January 19, 2017*

**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.

*January 19, 2017*

**Math**

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

*January 19, 2017*

**Health**

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

*January 19, 2017*

**Statisticians Interview only**

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

*January 19, 2017*

**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, ...

*January 19, 2017*

**Math**

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

*January 19, 2017*

**math**

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

*January 19, 2017*

**Maths**

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

*January 19, 2017*

**math**

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

*January 18, 2017*

**math**

See following post.

*January 18, 2017*

**Biology**

I agree with your answer.

*January 18, 2017*

**math**

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

*January 18, 2017*

**Math**

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

*January 18, 2017*

**Algebra**

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

*January 18, 2017*

**6th Grade Math**

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

*January 18, 2017*

**Geometry**

Four 90 degree angles are formed by intersecting perpendicular lines.

*January 18, 2017*

**Math**

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

*January 18, 2017*

**maths**

15/p = 3 Solve for p.

*January 18, 2017*

**Algebra**

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

*January 18, 2017*

**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.

*January 18, 2017*

**Math**

5 + .8W ? 36 Solve for W.

*January 18, 2017*

**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.

*January 18, 2017*

**value**

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

*January 18, 2017*

**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.

*January 18, 2017*

**Data analysis statistics and probability**

Subtract each month from the previous month and compare.

*January 17, 2017*

**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.

*January 17, 2017*

**mathematics**

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

*January 17, 2017*

**math (?)**

What is the significance of the colons (:)?

*January 16, 2017*

**Maths**

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

*January 13, 2017*

**Math**

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

*January 12, 2017*

**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

*January 12, 2017*

**Math (?)**

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

*January 11, 2017*

**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

*January 11, 2017*

**Math**

Welcome

*January 11, 2017*

**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.

*January 11, 2017*

**ELA**

That's an adverb, modifying feed.

*January 11, 2017*

**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?

*January 10, 2017*

**math**

12*6*3 = ?

*January 10, 2017*

**math**

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

*January 10, 2017*

**science**

Cannot diagram here.

*January 9, 2017*

**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 ...

*January 9, 2017*

**Math (?)**

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

*January 8, 2017*

**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

*January 8, 2017*

**Maths (?)**

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

*January 6, 2017*

**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.

*January 5, 2017*

**math (?)**

No drawing. Cannot copy and paste here.

*January 5, 2017*

**Math**

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

*January 5, 2017*

**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 ...

*January 4, 2017*

**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

*January 3, 2017*

**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

*January 3, 2017*

**sceinc**

The one with the lesser mass.

*January 3, 2017*

**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(?)

*January 3, 2017*

**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.

*January 3, 2017*

**Math (?)**

What do you win?

*January 2, 2017*

**Statistics (Oooops)**

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

*January 2, 2017*

**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.

*January 2, 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.

*December 26, 2016*

**Biology**

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

*December 25, 2016*

**Maths**

89/18 = 4.9444 .9444 * 18 = ?

*December 25, 2016*

**Math**

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

*December 24, 2016*

**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 ...

*December 22, 2016*

**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?

*December 22, 2016*

**algebra**

95 < 75 + .80m Solve for m.

*December 21, 2016*

**math college readiness**

No segment. Cannot copy and paste here.

*December 21, 2016*

**math**

Cannot draw here.

*December 21, 2016*

**math**

Any parentheses?

*December 21, 2016*

**math**

What are your choices?

*December 17, 2016*

**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 ...

*December 16, 2016*

**Math**

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

*December 15, 2016*

**math**

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

*December 15, 2016*

**English**

Both 2 and 4 are incorrect.

*December 15, 2016*

**English**

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

*December 15, 2016*

**math (?)**

No scatterplot. Cannot copy and paste here.

*December 15, 2016*

**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.

*December 15, 2016*

**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 ...

*December 15, 2016*

**math**

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

*December 15, 2016*

**math**

(w+11)/7 = ?

*December 14, 2016*

**Math**

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

*December 14, 2016*

**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

*December 14, 2016*

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

What virus?

*December 14, 2016*

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

48/5730 = ? 416/721 = ?

*December 14, 2016*

**Science**

72/6 = ?

*December 14, 2016*

**Biology**

You cannot copy and paste here.

*December 14, 2016*

**math, algebra**

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. This is much more than algebra.

*December 14, 2016*

**statistics**

What is the variable in the distribution?

*December 14, 2016*

**Algebra**

Agree

*December 13, 2016*

**Math**

Are you asking for the probability that the other two children are male? If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Approx. 1/2 * 1/2 = 1/4 The probabilities are not ...

*December 13, 2016*

**Algebra**

It only costs $4.80 to produce an additional 4 units? That is $1.20 per additional unit. $204.80 + 10($1.20) = ? Typos?

*December 13, 2016*

**Math**

12x - 3x + 15y + 1 + 8x - 20y = 17x - 5y + 1

*December 12, 2016*

**English**

We took the available food without being served.

*December 12, 2016*