Friday

July 3, 2015

July 3, 2015

Total # Posts: 20,003

**data**

What is your question?
*May 8, 2015*

**statistic**

Lacking data. How many green and white balls are in the urn? (green/total)^4 = ?
*May 8, 2015*

**maths**

Use Pythagorean theorem. 22^2 + 120^2 = diagonal^2
*May 8, 2015*

**math**

G = 11 W = J/2 G + J + W = 26 11 + J + J/2 = 26 Solve for J.
*May 7, 2015*

**math (oops)**

Sorry, my goof. Ms. Sue is right.
*May 7, 2015*

**math**

(2*28.5*10.5)/4 = ?
*May 7, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "plant photosynthesis process" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=plant+photosynthesis&ie=UTF-8&oe=UTF-8&gws_rd=ssl#rls=en&q=plant+...
*May 7, 2015*

**Math discussion**

The key word is "you" rather than us. https://www.google.com/search?client=safari&rls=en&q=meteorological+predictions&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*May 7, 2015*

**biology**

Since this is not my area of expertise, I searched Google under the key words "heart potentials initiated" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=heart+potentials+initiated&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you ...
*May 7, 2015*

**Science (?)**

What two tissue types?
*May 7, 2015*

**Stats**

Ho: mean = 370 Ha: mean > 370 Z = (score-mean)/SEm = ? SEm = SD/√n
*May 6, 2015*

**math**

Range is approximately 25,000 to 50,000. Divide that range into 5 intervals. Does that approximate a bell-shaped curve?
*May 6, 2015*

**Math**

Make a frequency distribution of the finish times. Does that approximate a normal, skewed or bimodal distribution?
*May 6, 2015*

**Statistics**

Ho: mean ≤ 90 Ha: mean > 90 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 elated to the Z score. Is the smaller area ≤ .10?
*May 6, 2015*

**biology**

Since this is not my area of expertise, I searched Google under the key words "evolutionary development of lungs" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=evolutionary+development+of+lungs&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the...
*May 5, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "Minnesota earthquakes" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Minnesota+earthquakes&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find ...
*May 4, 2015*

**Statistics**

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 those two Z scores.
*May 4, 2015*

**Statistics**

Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "...
*May 4, 2015*

**Maths**

2(12+6) + 2(7+6) = ?
*May 4, 2015*

**science**

Humans have a heart the pumps the water and nutrients.
*May 3, 2015*

**Math**

">" symbol is done with period key and shift. (x-1) > 5 Add one to both sides.
*May 3, 2015*

**Science**

Tides are the rise and fall of sea levels caused by the combined effects of gravitational forces exerted by the Moon, Sun, and rotation of the Earth.
*May 3, 2015*

**Math**

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.
*May 3, 2015*

**class**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. See your previous post.
*May 3, 2015*

**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.
*May 3, 2015*

**psychology**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores. Multiply each by 100 to get percentages. I assume you can find the table. We do not do your homework...
*May 3, 2015*

**ANT101**

For work settings, I would pick participant observation.
*May 2, 2015*

**math**

If s/he intends to paint a 60 ft^2 mural, then it could be 6 by 10, 3 by 20, 4 by 15 or 5 by 12. What are the dimensions of the wall?
*May 2, 2015*

**Sociology**

CS is what causes the learned response, and the response is the CR.
*May 1, 2015*

**math**

5/1 = x/8.5 Solve for x.
*May 1, 2015*

**Math**

What is your question?
*May 1, 2015*

**Math**

What are your choices? Cannot copy and paste here.
*May 1, 2015*

**math**

What expressions? 2(4a) + 2l + 2w
*May 1, 2015*

**Math**

Lacking data. Cannot copy and paste here.
*May 1, 2015*

**Math**

Area = B * H Perimeter = 2B + 2H
*May 1, 2015*

**Science**

Just distribute.
*April 30, 2015*

**Math**

Don't even know the old difference. Lacking data.
*April 30, 2015*

**Math**

Disagree. Drawing the relationship will give you a better idea.
*April 30, 2015*

**math help me**

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.
*April 30, 2015*

**cultural diversity**

Since this is not my area of expertise, I searched Google under the key words "metalinguistic strategy" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=metalinguistic+strategy&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can ...
*April 30, 2015*

**math: 68-95-99.7 rule**

It would help if you proofread your questions before you posted them. "Between $150,000" and what? 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...
*April 30, 2015*

**Science please check answers**

Agree with last two, but not the first. Do a Punnett square.
*April 30, 2015*

**math**

D = 7N .10D - .05N = 5.85 Substitute 7N for D in the second equation and solve for N. Insert that value into the first equation to solve for D. Check by putting both values into the second equation.
*April 29, 2015*

**statistics HELP**

Area below Z = -3.7 is .0001. The probability of -5 would be infinitesimal.
*April 29, 2015*

**Math**

What rectangle? Cannot copy and paste here.
*April 29, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. c. .9 * .9 * (1-.9) = ? d. .9^3 = ?
*April 29, 2015*

**Math**

Since x+2 = 0 give you x = -2 Since x-3 = 0 give you x = 3 I would assume (x+2)(x-3). Do you have typos?
*April 29, 2015*

**math**

What two whole numbers will multiply to give you 48?
*April 29, 2015*

**MATH**

They ARE independent. The previous pick does not influence subsequent picks only their probability. b. 4/9 * 3/(9-1) * 2/(9-2) = ?
*April 28, 2015*

**5th grade math**

15000/7 = ? 14000/7 = ?
*April 28, 2015*

**Math**

With you answer to 2, 3 would be correct. 4. You don't have an "estimate" to two decimal places. An estimate is just a close guess. My "estimate" would be 30 or 31. 5. If 4 is correct, so is this. 7. right
*April 28, 2015*

**Math**

1. For a square, area = height^2, so height = √area. It needs to be < 3. Do you mean 2.8? The decimal point makes a big difference. 2. 1 meter = 3.28 feet, therefore 2.8m = ? ft 3. Wrong answer for 2 makes this wrong. 4. √950 ≠ 30.61 5. Wrong answer for 4 ...
*April 28, 2015*

**MATH**

a. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(white) = 4/9 * 3/8 * 2/7 = ? P(red) = 3/9 * 2/8 * 1/7 = ? P(black) = 0, since there are only 2 blacks Either-or ...
*April 28, 2015*

**math**

100(.50/2.30) = ?
*April 28, 2015*

**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.
*April 28, 2015*

**Algebra**

2S = J 30J + 17S ≤ 500 Substitute 2S for J in the second equation and solve for S. Insert that value into the first equation to solve for J. Check by putting both values into the second equation.
*April 28, 2015*

**algebra**

If grandma's house = x, then the apartment building = x + 12 x + 12 + 4 = 2(x+4) Solve for x.
*April 28, 2015*

**Math Check**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. < 30 = 1-29 29/40 * (29-1)/(40-1) ≠ 9/16
*April 28, 2015*

**math**

What is your question? A square has 4 sides.
*April 28, 2015*

**BIO HELP PLEASE!!!**

It depends on the type of infection. For example, with HIV, none would be infected.
*April 27, 2015*

**Algebra**

3C + 4M = 12.50 3C + 2M = 8.50 Subtract the second equation from the first and solve.
*April 27, 2015*

**math**

Substitute 18-q for n in the second equation and solve for q. Insert that value into the first equation to solve for n. Check by putting both values into the second equation.
*April 27, 2015*

**math**

What equations?
*April 27, 2015*

**algebra**

When multiplying/dividing, exponents are added/subtracted respectively. 8 - (-5) = ?
*April 27, 2015*

**English**

Disagree.
*April 27, 2015*

**psychology**

I would say D.
*April 27, 2015*

**Statistics**

Probability of getting either one or two good batteries. Either-or probabilities are found by adding the individual probabilities. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual ...
*April 26, 2015*

**math**

For a square, Length squared = area or Length = √area
*April 26, 2015*

**Statistics**

Out of 36 possibilities, you could get: 6, 3 3, 6 4, 5 5, 4
*April 25, 2015*

**statistics**

Since you say "distribution of IQ scores is NOT normally distributed," bell-shaped graphical does not represent it. Therefore, cannot make estimates. If it was normal, mean = mode = median.
*April 25, 2015*

**geometry**

With 45º on one side, the other angle would be 180º-90º-45º = 45º Altitude = base = 4 Use Pythagorean theorem. 4^2 + 4^2 = b^2
*April 25, 2015*

**statistics**

Calculate mean. Z = (score-mean)/SEm = (25-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 related to the Z score. Would you consider that ...
*April 24, 2015*

**Psychology**

1) E 2) B
*April 24, 2015*

**Math, Statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.40) and the related Z scores. Or you could use this source: http://davidmlane.com/hyperstat/z_table.html
*April 24, 2015*

**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 you later post.
*April 24, 2015*

**Math**

No graph. You cannot copy and paste here.
*April 24, 2015*

**Needs Excel help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*April 24, 2015*

**Statistics**

I assume you want the value of x. mean = ∑x/n 10 = (4+x+1+2+5)/5 Solve for x.
*April 23, 2015*

**Psychology 202**

If you mean achieving higher status in occupations, I would say true.
*April 23, 2015*

**statistics**

They are inversely related.
*April 23, 2015*

**Statistics**

I assume you are only concerned with the apples being too big to fit in the box. Ho: mean = 4.1 Ha: mean > 4.1 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05) and its ...
*April 23, 2015*

**Math**

C = 2πr = 18π 90π/18π = ?
*April 22, 2015*

**Life science**

Use a Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*April 22, 2015*

**Lumuka secondary school**

Assuming that you have a school counselor, have him/her give you interest tests to help clarify job preferences.
*April 22, 2015*

**Statistics**

a) Z = (score-mean)/SD b, c) 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 proportions/probabilities related to the Z scores.
*April 22, 2015*

**Statistics**

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. Ho: mean = 520 Ha: mean > 520 Find the mean first = sum of...
*April 22, 2015*

**Statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.40) and its Z score. -Z = (score-mean)/SD = (10,000-mean)/500
*April 22, 2015*

**Statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.02) and its Z score.
*April 22, 2015*

**Statistics**

Is Alisha also Anonymous? If so, see your later post. 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 22, 2015*

**Statistics**

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. Ha: µ < 30 Z = (score-mean)/SEm SEm = SD/√n
*April 22, 2015*

**Maths**

Since this is not my area of expertise, I searched Google under the key words "inventor of simultaneous equations" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=inventor+of+simultaneous+equations&ie=UTF-8&oe=UTF-8&gws_rd=ssl In ...
*April 21, 2015*

**genetics**

Since this is not my area of expertise, I searched Google under the key words "genetic eye color" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=genetic+eye+color&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*April 21, 2015*

**genetics**

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.
*April 21, 2015*

**math**

Data missing.
*April 20, 2015*

**math**

5º + 6º + 0º = ?º
*April 20, 2015*

**film**

What special effects do you want to create?
*April 20, 2015*

**Physics needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*April 20, 2015*

**HELP please**

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. Indicate your specific subject in the "School Subject" box, so ...
*April 20, 2015*

**help please? :( math**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. agree.
*April 20, 2015*

**math please help 8th grade**

If you only have one equation, how can you compare slopes?
*April 20, 2015*