Tuesday

April 28, 2015

April 28, 2015

Total # Posts: 19,731

**SCIENCE BUT I REALLY NEED HELP**

Chromosomes mate, reproduce
*November 25, 2014*

**Math Help! ASAP!**

It needs to have the numbers 1 and 3.
*November 25, 2014*

**math**

Multiply the numbers and add the exponents, then simplify.
*November 25, 2014*

**statistics**

Ho: mean = 2 Ha: mean < 2 Once you get UTeM data, insert. 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 ...
*November 25, 2014*

**Neuroscience**

3. In future posts, indicate the answers you think are correct.
*November 25, 2014*

**Neuroscience**

3.
*November 25, 2014*

**Neuroscience**

1.
*November 25, 2014*

**Biology (?)**

What three organs?
*November 25, 2014*

**Astronomy**

"Twinkle, twinkle little star," but that is unlikely with planets. Also planets rotate in contrast to stars.
*November 24, 2014*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*November 24, 2014*

**statistics**

You cannot copy and paste here.
*November 24, 2014*

**Health And Physical Ed**

I would say: false Peristalsis kidneys fiber
*November 23, 2014*

**Science PLEASE HELP**

Since this is not my area of expertise, I searched Google under the key words "Exothermic Endothermic reactions" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Exothermic+Endothermic+reactions&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*November 23, 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.
*November 23, 2014*

**Stats**

What is your question? (175-14)/175 = proportion who do not think that dorm food is bad, which is not necessarily the same as saying it is good.
*November 23, 2014*

**statistics**

a) 120 * 60 = ? b) Standard Error of the mean (SEm) = SD√n
*November 23, 2014*

**Statistics**

I thought I answered this previously. a-c. 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 of each Z score. Multiply by 100. d, e. Find table in the back of...
*November 23, 2014*

**statistics**

Is anyone manipulating a variable? a. All students buying textbooks b. Textbooks purchased c. 100 students
*November 22, 2014*

**science**

Good for you!
*November 22, 2014*

**Stats**

It is a Type I error.
*November 22, 2014*

**statistics**

Z = (score-mean)/SD If the camera is set at 10% above speed limit = 88 km/h. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability in the larger portion related to the Z score. ...
*November 22, 2014*

**Science**

What are you measuring?
*November 22, 2014*

**Science**

± .05 sounds plausible for .1 gram, but I don't know about the accuracy of an electronic balance.
*November 22, 2014*

**statistics**

The measure of variability for distribution of means = SEm = SD/√n Note that as n increases, SEm decreases. Larger samples (n) are less likely to be biased one way or the other.
*November 22, 2014*

**Chemistry (?) needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*November 22, 2014*

**Statistics (Janelle)**

First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked. Second, we do not have the "data in question 25."
*November 21, 2014*

**Loneliness**

I compare direct interpersonal relationship and Facebook to the analogy of sugar vs. saccharine, respectively. Both can give us an immediate sweet taste, but only sugar leads to nourishment. With direct personal interaction, not only do you have verbal interaction, but also a ...
*November 21, 2014*

**science**

sensory neurons,interneurons in brain, motor neurons You have to sense something before you can respond to it.
*November 21, 2014*

**Living a Healthy Life**

C, hemoglobin is the oxygen-carrying portion of red blood cells.
*November 21, 2014*

**Living a Healthy Life**

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.
*November 21, 2014*

**statistics**

The larger the confidence interval, the greater your confidence level that it contains the true value.
*November 20, 2014*

**English**

Overall, how the delivery was characterized, and how he used the presentational aids, made me understand how to present a speech. A strength that the speaker had in his speech was the tone of voice and his gestures. An improvement that the speaker could make is not to be ...
*November 20, 2014*

**biology**

food?
*November 20, 2014*

**Pre Algebra**

An hour is 2 times 1/2 hour, therefore the speed in miles per hour = 4.4 * 2 = ? miles per hour
*November 20, 2014*

**Business statistics**

Accept Ho, when Ho is wrong.
*November 20, 2014*

**5 grade**

Think of common table salt (NaCl), which is made up of Na (Sodium) and Cl (chlorine). Look up the properties of the three.
*November 20, 2014*

**5th grade 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. Also, please use the same name on all your posts.
*November 20, 2014*

**Science help URGENT**

I would go with the first choice.
*November 20, 2014*

**Foundation of a Healthy Lifestyle**

Since she also changes the way she throws the ball, I would choose C.
*November 20, 2014*

**Stastic=tics**

Assuming an 8-hour day and each of the coders does 3/hour, currently: 2 * 3 * 8 = 48 In relation to the desired increase: 75 - 48 = 27
*November 20, 2014*

**Math**

4 * 5 = 20, add two zeros.
*November 20, 2014*

**Psychology Statistics**

Means not given.
*November 20, 2014*

**Parents, Finances, and School-Age Children**

Agree.
*November 20, 2014*

**no diagram**

You cannot copy and paste here.
*November 20, 2014*

**Algebra**

s = 4000 - n 3s + 5n = 15,000 Substitute 4000-n for s. 3(4000-n) + 5n = 15,000 Solve for n, then s.
*November 19, 2014*

**Math**

Multiply both sides by x. 1 = x^2, therefore x = 1 Cannot represent graphically on this post.
*November 19, 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.
*November 19, 2014*

**child developement**

Do you have children those ages to compare?
*November 19, 2014*

**math**

9 dozen costs 9 times as much as 1 dozen, unless there is a special sale for more than a dozen muffins.
*November 19, 2014*

**Math**

It fits for p = 0, but not p = 1.
*November 18, 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.
*November 18, 2014*

**math**

11 + .12m = 27 + .07m Solve for m.
*November 18, 2014*

**algebra**

30 + .19m ≤ 87 Solve for m.
*November 18, 2014*

**math**

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 (.30) from the mean and its Z score. Enter ±Z and other data into the equation above to get the scores.
*November 18, 2014*

**math**

4n + 2.5n = 39 Solve for n.
*November 17, 2014*

**math please help**

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.
*November 17, 2014*

**Math**

24/3 = 8 per person
*November 17, 2014*

**math**

Cannot draw a Venn diagram on this post.
*November 17, 2014*

**math**

3750 - 3(225) - 2(1200) = ? gm
*November 17, 2014*

**Science**

nephron, ureter, urinary bladder, urethra
*November 17, 2014*

**Maths**

They all check, but it would be better (as least for me) to have a space between the equal sign and the negative sign, so they would be easier to see. Thanks.
*November 17, 2014*

**biology**

if both parents are normal, then they must be heterozygous for the cystic fibrosis allele. 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
*November 17, 2014*

**statistics**

Cost will be (4*1500) + (12*120) = ?
*November 16, 2014*

**statistics**

100 + 3(50) = ?
*November 16, 2014*

**statistics (?)**

We do not have the senario above.
*November 16, 2014*

**Statistics**

15 minutes = 1/4 hour 1424/4 = ?
*November 16, 2014*

**statistics**

I am assuming that you have phrased the question correctly. If "you received 5,352 requests for records within a six-month period,… the request rate for the past six months" = 5,352 per 6 months.
*November 16, 2014*

**Science-DNA**

3' and 5' symbolize 3 feet and 5 feet.
*November 16, 2014*

**math/fractiom**

I assume that "1 2" is 1/2. 1 - 1/5 - 1/2 = 1 - 2/10 - 5/10 = ?
*November 16, 2014*

**Algebra**

25h = 20h + 15 Solve for h.
*November 15, 2014*

**math**

√2x - 3 = 5 Solve for x.
*November 15, 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 of < 3.
*November 14, 2014*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (3.25*10^-22)(7*10^3) = ? Multiply the regular numbers and add the exponents.
*November 12, 2014*

**Science**

We all have a color, in contrast to being transparent. To hide from predators, life forms must match their background.
*November 12, 2014*

**math**

For every unit you move to the right, that is one negative power of 10. .000027 = 27*10^-6 .000009 = 9*10^-6 (27*10^-6)/(9*10^-6) = ? Divide numbers normally and subtract powers.
*November 12, 2014*

**math**

calculations
*November 12, 2014*

**math**

When multiplying, exponents are added. 10^5 * 10^1 = ?
*November 12, 2014*

**statistics**

A parameter is a measure on a population, while a statistic is a measure on a portion of the population, a sample.
*November 12, 2014*

**math please help**

22.75/350 = ? 24 = .4x Solve for x.
*November 12, 2014*

**Probability**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
*November 11, 2014*

**Math**

W*L = A L = A/W Insert values and solve for L.
*November 11, 2014*

**Math**

If you are trying to find out how many hours the trip will take, you are correct.
*November 11, 2014*

**Stats**

The measure of variability for distribution of means is SEm. SEm = SD/√n As n increases, the SEm decreases.
*November 11, 2014*

**Math**

No. 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.
*November 11, 2014*

**algebra**

A = 3G-3 A + G = 17 (3G-3) + G = 17 Solve for G, then A.
*November 11, 2014*

**Early Childhod Edu**

Once they are sharing, 2.
*November 10, 2014*

**English**

Almost all of them. Don't you get sick of seeing the same ads again and again?
*November 10, 2014*

**Math, Please Help!**

P(1) = 12/52 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(2) = 12/52 * 11/51 p(3) = 12/52 * 11/51 * 10/50 P(4) = 12/52 * 11/51 * 10/50 * 9/49 The question is asking for ...
*November 10, 2014*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/14 * 1/13 * 1/12 * 1/11 = ?
*November 10, 2014*

**Science plz?**

I searched Google under the key words "Meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information you desire more quickly, if you use appropriate key ...
*November 10, 2014*

**biology**

variable?
*November 10, 2014*

**Statistics**

The scores in the "smaller portion" in the table would tell you how extreme the score is.
*November 9, 2014*

**Statistics**

The scores in the "smaller portion" would tell you how extreme the score is.
*November 9, 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.
*November 9, 2014*

**Early Childhood**

Right.
*November 9, 2014*

**Science**

How about oxygen?
*November 9, 2014*

**Math**

Just a guess, asking for total price? 1.08($45.75) = ?
*November 9, 2014*

**science**

Solar refers to the sun.
*November 9, 2014*

**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 related to the Z score.
*November 5, 2014*

**algebra**

a) w = 220 - l b) A = lw = l(220-l) c) A square would give you the greatest area.
*November 4, 2014*