# Posts by PsyDAG

Total # Posts: 23,187

**Maths**

(4 * 2) +1 = 9

*April 18, 2016*

**Math needs help**

Indicate specific topic so tutor with the right knowledge will respond.

*April 18, 2016*

**Math**

(12 - 7)/12 = ?

*April 18, 2016*

**English**

What is your question?

*April 18, 2016*

**English**

Either

*April 17, 2016*

**Bio**

Haploid

*April 17, 2016*

**Scince**

What are your choices?

*April 17, 2016*

**maths littercy ,agricultural science ,life science ,tourism , life orientatiom, ndebele and english**

Consult your school counselor, who can help you assess your abilities and interests along with recommending schools that will fit your needs.

*April 17, 2016*

**stats**

No data set. You can't copy and paste here.

*April 17, 2016*

**history,maths literacey,english,xitsonga,religion,**

Contact your school counselor.

*April 17, 2016*

**Statistic**

What is your question?

*April 17, 2016*

**dramatic art .tourism. history and math lit**

Contact your school counselor with this question.

*April 17, 2016*

**Elementary Statistics**

Z = (score-mean)/SEm SEm = SD/sqrt n Use same table.

*April 16, 2016*

**Algebra**

Let X = initiation fee X + 18m = 3950 X + 7m = 3125 Subtract second equation from first to solve for m. Insert value into either equation to solve for X.

*April 16, 2016*

**science help pls pls**

Under changing conditions

*April 15, 2016*

**science help pls pls**

Hydro- = water Geo- = ground

*April 15, 2016*

**i really need help with science pls help**

Disagree.

*April 15, 2016*

**science help pls pls pls**

Dwarf planet

*April 15, 2016*

**algebra**

We cannot measure your subjects to get the data.

*April 14, 2016*

**Algebra**

You did a good job. What's your confusion?

*April 14, 2016*

**math**

(1-7/8)*12 = ?

*April 14, 2016*

**i really need help with science pls help**

No diagram. Can't copy and paste here.

*April 14, 2016*

**Math**

Either-or probabilities are added. 10/20 + 3/20 + 5/20 = ?

*April 14, 2016*

**Stats - Help!!!**

Disagree.

*April 14, 2016*

**Stats - Help!!!**

Agree.

*April 14, 2016*

**Stats - Help!!!**

Agree with second choice.

*April 14, 2016*

**Stats - Help!!!**

Need goal before sample.

*April 14, 2016*

**Maths Lit, Geography, English, LO, EGD, Afr.**

Consult your school counselor who can help you define your goals according to your abilities and interests.

*April 14, 2016*

**math**

A = 6/8S 6A + 8S = 60 Substitute 6/8S for A in second equation and solve for S. Then use first equation to find A.

*April 14, 2016*

**math**

See your later post.

*April 13, 2016*

**Stats**

Since assignment is random, it is not C.

*April 13, 2016*

**Stats**

Agree. The blind condition will reduce probability of Jimenez treating them different.

*April 13, 2016*

**stats**

Use "areas under normal distribution" table in the back of your statistics text.

*April 13, 2016*

**science (correct please)**

2, 4 are wrong. The rest are right.

*April 13, 2016*

**Statistics**

Don't repeat questions. It wastes our time responding to multiples. See your later post.

*April 13, 2016*

**Science**

1. Styrofoam insulates, copper conducts. 2. Warm air rises.

*April 13, 2016*

**Urns and $ - Pre-Algebra**

P (both) found by multiplying them. 1. P(red,red) = 12/20*8/13 = ? 2. P(1,10) = 5/18 * 6/(18-1) = ?

*April 13, 2016*

**Physics needs help**

Indicate specific area in subject heading.

*April 13, 2016*

**Math**

No parts shown. Cannot copy and paste here.

*April 13, 2016*

**Algebra (Correction)**

J + D + K = 320 Solve for D, then K.

*April 12, 2016*

**Algebra**

J = D + 20 K = D/2 J + D + K = ? (D+20) + D + D/2 = ?

*April 12, 2016*

**Mathematics**

We don't do your work for you. However, we will be glad to respond to your answers. Consult your text.

*April 12, 2016*

**Health Plz help THX!!**

Oxygen correct. Others unanswered or wrong. Seems like you are just guessing. Use your textbook.

*April 12, 2016*

**science PLEASE CHECK MY ANSWERS**

Disagree with first answer but not sure about second but guess at cast.

*April 11, 2016*

**7th Grade Science**

Those variations (mutations) that lead to survival in the environment continue. If not, those go to extinction.

*April 11, 2016*

**science**

Different, gas, solid or liquid. You supply why.

*April 11, 2016*

**biology**

The sperm and egg are each haploid.

*April 11, 2016*

**Statistics**

5,352/100,000 = ?

*April 9, 2016*

**Statistics**

26*26*10^3 = ?

*April 9, 2016*

**Math**

Any value to the zero power = 1

*April 9, 2016*

**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.

*April 9, 2016*

**math**

let x = fiction books. 3x + x = 2000 Solve for x then 3x.

*April 4, 2016*

**Math**

From your info: 2/4 = x/8 Solve for x.

*April 4, 2016*

**Math**

5 + .10k > 1 + .50k Solve for k.

*April 3, 2016*

**math**

9.5 * 2/3 = ?

*April 3, 2016*

**math**

Unclear about the meaning of 6 1.

*April 2, 2016*

**math**

24/15 = x/18 Solve for x.

*April 2, 2016*

**math**

260/13 = 20 8(20) + 5(20) = 260 Can you work it from there?

*April 2, 2016*

**Math**

57(1.08) = ?

*April 2, 2016*

**math**

1. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. I. (50/90)^2 = ? II. Generalize from I. III. (50/90)(40/90) = ? 2. Either-or probabilities are found by adding the individual...

*April 2, 2016*

**Math**

$450 * 52 = ? Assuming that "tax" was inserted in error: [$115(52) + .095($125,000)/52] = ? Subtract one from the other.

*April 1, 2016*

**Mathematics**

No, did you try the other alternatives? -1 = 2(-2) + 1 = -3

*April 1, 2016*

**Mathematics**

Disagree.

*April 1, 2016*

**statistics**

Need to know mean and standard deviation. 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.

*April 1, 2016*

**Math (???)**

No table.

*April 1, 2016*

**science**

2 is my preference.

*March 31, 2016*

**Maths, life science,business studies, EGD, LO and**

Consult with your school counselor, who can help you evaluate your interests and abilities.

*March 31, 2016*

**Biology**

agree.

*March 31, 2016*

**math**

Let x = width 3/6 = x/15 Solve for x and then multiply by length.

*March 31, 2016*

**maths (??)**

Points not given here.

*March 31, 2016*

**algebra**

a + 7c = 62 2a + 8c = 79 Multiply first equation by 2 and then subtract the second equation from it.

*March 31, 2016*

**Science**

300/4 = km/hr = ?

*March 31, 2016*

**Rebus (???)**

What is your question?

*March 31, 2016*

**Math**

11/55 = ?

*March 31, 2016*

**Math**

5 qts+2gallons = 5+8 = ? quarts 1 Quart = 4 cups

*March 30, 2016*

**algebra**

When multiplying/dividing, exponents are added/subtracted respectively. y^a * y^a+2 = y^2a+2

*March 30, 2016*

**Science (???)**

What following?

*March 30, 2016*

**Geometry**

Here are some things that are more specific. http://drdavespsychologypage.homestead.com/Learning_Requirements.pdf http://drdavespsychologypage.homestead.com/Learning_Hints.pdf Advice to the exam-lorn ("test wiseness") I. Answer easy items first. If have to think ...

*March 30, 2016*

**Math**

L = B + 5

*March 30, 2016*

**algebra**

18 + m = 25 Subtract 18 from both sides.

*March 30, 2016*

**math**

P = 1900 + 50N Insert N value and calculate.

*March 29, 2016*

**math**

(1-3/8)X = 15 Solve for X.

*March 29, 2016*

**math**

In either case, do you have the volume data? Cannot solve with two unknowns.

*March 29, 2016*

**Science**

The weight of a human or the weigh of the planet?

*March 29, 2016*

**Biology**

https://www.google.com/search?client=safari&rls=en&q=erythrocytes+function&ie=UTF-8&oe=UTF-8&gws_rd=ssl

*March 29, 2016*

**Biology**

Agree.

*March 29, 2016*

**science**

150,000,000/17,000 = hours How many hours in a year? 24 * 365 = ? Divide hours by ?

*March 29, 2016*

**Science**

Agree.

*March 28, 2016*

**Nsu**

Also you need to indicate what elements.

*March 28, 2016*

**specialized patient record**

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.

*March 28, 2016*

**Spanish**

Tiene razon.

*March 28, 2016*

**Statistics**

I would find table in the back of my statistics text labeled something like "areas under normal distribution" to find the proportion/probability. Or you could use this one: http://davidmlane.com/hyperstat/z_table.html

*March 28, 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.

*March 28, 2016*

**statistics**

Agree.

*March 28, 2016*

**math essentials**

It would help if you proofread your questions before you posted them. I have no idea what "es026-1.jpg" means.

*March 27, 2016*

**Math**

Area = πr^2 d = 2r Circumference = πd For consumed, 4/12. For crust, 8/12 remain.

*March 27, 2016*

**maths**

2(11*2) + 2(8*2) = 76 Find area.

*March 27, 2016*

**Statistics**

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

*March 27, 2016*

**ana g mendez**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.025) and its Z score. Insert Z score and other data into equation below. 95% = mean ± Z(SD)

*March 27, 2016*