Thursday

October 23, 2014

October 23, 2014

Total # Posts: 18,505

**science**

Dominant traits will perpetuate, while recessives may not.
*March 6, 2014*

**science**

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. Different names will not make it speedier either.
*March 6, 2014*

**math**

(x-5)(x-3) = 0 x = 5,3
*March 6, 2014*

**Math**

1/3 + 5/6 = 2/6 + 5/6 = 7/6 = 1 1/6
*March 6, 2014*

**Math**

If the triangle is equilateral, then: 5x - 7 = 2x + 5 Solve for x.
*March 6, 2014*

**MAT-134 Math XL**

9x^4(x^2-7x+4)
*March 6, 2014*

**Science**

mitosis
*March 6, 2014*

**Math 100**

Isn't gross sales identical to plan B? 12(2400) + .09(2400)12 > 32000
*March 6, 2014*

**math 100**

2x>3x-40 An inequality is treated just like an equation, except that multiplying/dividing by a negative value reverses the carat (< to >). -x > -40 x < 40
*March 6, 2014*

**Biology -Genetics**

False, they are also found in all body cells, except only the males have Y.
*March 5, 2014*

**math**

3/7 three chances out of seven
*March 5, 2014*

**Math**

You are welcome!
*March 5, 2014*

**Math**

a. (1 - .25) 10 = x b. 1.25x = 201 Solve for x.
*March 5, 2014*

**Spanish**

Qué
*March 5, 2014*

**Science**

What about spiral shaped?
*March 5, 2014*

**Science**

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.
*March 5, 2014*

**6th grade science**

The gene for hemophilia is sex-linked, a recessive on the X-chromosome. The daughter must have both Xs with the gene, while the son does not have the gene on his X chromosome. With that information, you should be able to get the parental genotypes.
*March 5, 2014*

**statistics (?) **

What null hypothesis do you want to consider?
*March 5, 2014*

**statistics**

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.
*March 5, 2014*

**science**

The process of body cell replication. https://www.google.com/search?client=safari&rls=en&q=mitosis&ie=UTF-8&oe=UTF-8
*March 5, 2014*

**science (?)**

What is a "prac"?
*March 5, 2014*

**science**

Since this is not my area of expertise, I searched Google under the key words "newtons first law" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=newtons+first+law&ie=UTF-8&oe=UTF-8 In the future, you can find the information you ...
*March 5, 2014*

**Math (?)**

We haves no idea of the arrangement, especially the corners.
*March 4, 2014*

**math**

Temperature > -20º F
*March 4, 2014*

**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.
*March 4, 2014*

**Math 3**

Population is the total group, while the sample is a portion of that total.
*March 4, 2014*

**math Standard deviation**

Z = (score-mean)/SD Insert values and calculate.
*March 4, 2014*

**math probability**

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.
*March 4, 2014*

**math**

360 * .80 = ?
*March 4, 2014*

**algebra**

A = 450 - C 70A + 40C = 27750 Substitute 440-C for A in second equation and solve for C. Insert that value into the first equation and solve for A. Check by inserting both values into the second equation.
*March 3, 2014*

**home,school &COMMUNITY**

Also, please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you.
*March 3, 2014*

**Algebra help PLEASE?**

V = π*r^2*h Insert values and calculate.
*March 3, 2014*

**math**

Divide the amount of change by the original amount. (4-12)/12 = ? (20-15)/15 = ?
*March 3, 2014*

**Math oops**

3.5y = 10.5 - 2.1 = 8.4 y = 8.4/3.5 = ?
*March 3, 2014*

**math**

(76 - 51)/76 = ?
*March 3, 2014*

**Math**

7/8(20) = 17.5 1/4x = 17.5 Solve for x.
*March 3, 2014*

**math**

What is 1/2 as decimal or percent?
*March 3, 2014*

**Math (?)**

Possibly it might signify the volume of a cylinder. Cannot solve without equal sign for an equation. To simplify, multiply the terms.
*March 3, 2014*

**Spanish**

With my basic Spanish: How do you want the means of communication to be/function?
*March 3, 2014*

**Chem needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*March 3, 2014*

**math **

We cannot show visual models on the posts. Draw a diagram?
*March 3, 2014*

**science HELP ASAP!!!!!!!**

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 3, 2014*

**Algebra**

L = 2W + 3 2L + 2W = 72 Substitute 2W+3 for L in second equation and solve for W. Insert that value into the first equation and solve for L. Check by inserting both values into the second equation.
*March 2, 2014*

**psychology**

Agree
*March 2, 2014*

**interpersonal communication**

http://drdavespsychologypage.homestead.com/Relationships__Starting_and_Continuing.pdf
*March 2, 2014*

**interpersonal communication**

You cannot copy and paste here.
*March 2, 2014*

**education (?)**

What business plan? 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 2, 2014*

**statistics**

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. Percentile rank is the proportion below a particular score. OR… http://davidmlane.com/hyperstat/...
*March 2, 2014*

**math**

Mode = most frequently occurring score(s) Median = arrange in order of value, then find middle-most score. Mean = 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 ...
*March 2, 2014*

**Dividing decimals**

Move decimal place one to the right for both and then proceed with normal long division.
*March 2, 2014*

**Statistics (?)**

Data missing.
*March 1, 2014*

**Statistics**

99% = mean ± 2.575 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 related to the Z score. To include each end, double proportion.
*March 1, 2014*

**SAT prep help**

-2x+5=2-5+2x Put like terms on the same side of the equation by adding 3 and 2x to both sides. 8 = 4x
*March 1, 2014*

**science (?)**

It would help greatly to know the context of the term.
*March 1, 2014*

**Pys 202**

a case study?
*March 1, 2014*

**Geometry**

V = hπr^2 h = V/πr^2 Insert values and solve for h.
*February 28, 2014*

**science**

Average about 28 days. Diagram lacking. You cannot copy and paste here.
*February 28, 2014*

**math (?)**

No line of best fit. You cannot copy and paste here.
*February 28, 2014*

**Biology**

agree
*February 28, 2014*

**statistics**

Either-or probabilities are found by adding the individual probabilities. .43 + .14 = ?
*February 28, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "transcription molecules" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=transcription+molecules&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*February 28, 2014*

**Math (?)**

Graphs not shown, Cannot copy and paste here.
*February 28, 2014*

**math**

C = πd d = 2r In your case: C = 50 * π * 2r Insert values and calculate for C
*February 28, 2014*

**Math (?)**

What is "your original set"?
*February 28, 2014*

**Statistics**

If "the probability of birth is equal in all months," that means that you would expect 10 students to be born in each month. Would either distribution apply in this case?
*February 28, 2014*

**Statistics**

Are the means from the same population or different?
*February 28, 2014*

**Science**

Agree
*February 27, 2014*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1. 35 + 50 + (25/5 * 5) - (8+11) = 110 - 19 = 91 2. 24/8 + 31 = 34 3. 3 + 2(7) = 17 4. 5(3) - 16 = 15 - 16 = -1 5. right.
*February 27, 2014*

**BIOLOGY**

Not willfully, but random mutation does occur.
*February 27, 2014*

**ethics**

I disagree. http://www.utilitarianism.net/singer/by/1972----.htm
*February 27, 2014*

**consumer math**

($15,876 * 1.0525) - .1($15,876) = ?
*February 27, 2014*

**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 27, 2014*

**math**

Volume = height * Base Therefore: V/B = h Insert values and calculate.
*February 27, 2014*

**ethics**

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 27, 2014*

**algebra**

Do you mean 5 -(+2)? 5 - (+2) = 5 - 2 = 3
*February 27, 2014*

**Algebra**

With 2π factored out… (x^2 + 4x + 4) + (x^2 + 7x + 10) = 2x^2 + 11x + 14 or 2π(2x^2 + 11x + 14)
*February 27, 2014*

**math**

81 > n^2 = (-8)^2
*February 27, 2014*

**math**

35 + 35 = 70 (?)
*February 27, 2014*

**Math**

-6x^2 + 15x
*February 27, 2014*

**Math 102**

(30.60-18)/18 = ?
*February 27, 2014*

**math**

(8*32) - 52 = ?
*February 27, 2014*

**Alegbra**

Substitute 4c for d in first equation and solve for c. Insert that value into the second equation and solve for d. Check by inserting both values into the first equation.
*February 27, 2014*

**Math**

15.025
*February 26, 2014*

**Psychology**

An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. Extraneous variables — other than the independent ...
*February 26, 2014*

**Psychology**

Responses consistent over time, places and persons are attributed to one's personality. Consequences to an organism's responses are the key relationship in operant conditioning. Rewarded responses will continue or increase, nonrewarded responses will go to extinction. ...
*February 26, 2014*

**health**

http://drdavespsychologypage.homestead.com/AIDS_in_Arizona.pdf
*February 26, 2014*

**Maths (?)**

We cannot see the figure. You cannot copy and paste here.
*February 26, 2014*

**statistics**

Z = (score-mean)/SD Either use the handout or 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.
*February 26, 2014*

**Mathematic**

1000
*February 26, 2014*

**math**

4(6+2) - 6 = 26
*February 26, 2014*

**Science (?)**

Missing needed data. Cannot copy and paste here.
*February 25, 2014*

**algebra**

2L + 2W < 330 L < 90 180 + 2W < 330 2W < 150 W < 75
*February 25, 2014*

**math (?)**

What do c and d signify?
*February 25, 2014*

**math**

7.5 mm
*February 25, 2014*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. .06x = 9.33 x = 9.33/06 = 155.50
*February 25, 2014*

**Math**

5 + .04t < 2 + .10t 3 < .06t t > 3/.06 = 50
*February 25, 2014*

**MATH (?)**

How many of each color are in a package?
*February 25, 2014*

**math**

(2.50-1.75)M - 40 = 550 .75M = 590 M = 590/.75
*February 25, 2014*

**Algebra Readiness**

The previous post is for the square cake. Need more data for the "heart cake."
*February 25, 2014*

**Algebra Readiness**

L = W = 8 2W + 2L = Perimeter W * L = area
*February 25, 2014*

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