Wednesday

January 28, 2015

January 28, 2015

Total # Posts: 19,092

**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*

**5th grade math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Agree with first 3 answers. In 2 weeks, he picked 30 + 36 bags.
*November 4, 2014*

**Algebra**

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.
*November 4, 2014*

**Math**

Q3 is the value that 75% of the students score equal to or below.
*November 4, 2014*

**math**

14.5% = 14.5/100 = .145 Percent means "per 100"
*November 4, 2014*

**Math**

(7*28) - (14*3) - (11*3) = ?
*November 3, 2014*

**Stats(?)**

What is your question? Yes, the player is very likely to lose the $10.
*November 3, 2014*

**Math**

---- = 6/9 = 2/3 4/40 = 1/10 2/5 = 4/10 8/14 = 4/7
*November 3, 2014*

**Sci207**

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. We also do not have your textbook. Have you tried Googling "advances in agricultural ...
*November 3, 2014*

**math**

Convert all to tenths. 53/10 - 28/10 = ?
*November 3, 2014*

**English**

My best guesses for the first two would be "plants" and "environment" respectively. For the third, I would guess "extinct", but I don't see the connection with "no rain."
*November 3, 2014*

**Geometry**

7 = 5,2; 2,5; 3,4; 4,3; 6,1; 1,6 = 6/36 6 < 1,1; 2,2; 1,2; 2,1; 1,3; 3,1; 1,4; 4,1; 2,3; 3,2 = 10/36 Either-or probabilities are found by adding the individual probabilities.
*November 3, 2014*

**Maths**

Right.
*November 3, 2014*

**science (?)**

What are your choices?
*November 3, 2014*

**science (?)**

What are your choices? You cannot copy and paste here.
*November 3, 2014*

**STAT**

1A) Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05, .025, & .005, respectively) and their Z scores. % = mean ± Z SEm SEm = SD/√n 2A) Same process. 3) Data ...
*November 2, 2014*

**science**

Does your research of previous work indicate that music affects blood pressure? If so, then you can use any of the beginning sentences and title, although my preference is the second one. If not, then you might want to make your title and beginning sentence more general. Hint...
*November 2, 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 2, 2014*

**maths**

(11+x)(8+x) = 208 88 + 19x + x^2 = 208 x^2 +19x - 120 = 0 Factor and solve.
*November 2, 2014*

**Statistics (?)**

Inadequate data.
*November 2, 2014*

**math**

30/2 = ?
*November 2, 2014*

**psychology**

Hypothesis: sounds like Edwina is suffering from a generalized anxiety disorder.
*November 1, 2014*

**Statistics**

a) Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n = 15/√64 If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled ...
*November 1, 2014*

**Statistics (?)**

Lacking data. Need to have some measure of variability to solve.
*November 1, 2014*

**algebra**

x^2 - 6x + 9 + 10x - 300 + 24 Combine like terms. x^2 + 4x - 267 I can combine, but I can't find the factors. I hope this what you really wanted.
*November 1, 2014*

**Intermediate Algebra**

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 1, 2014*

**College Intermediate Algebra**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Unless you forgot the power on the first x, 2x + 4x = 6x. Otherwise, you are on the right track.
*November 1, 2014*

**math**

What is the context? I have no idea of what the "**" means.
*November 1, 2014*

**Math**

Although I am not familiar with "Webassigns default tolerance," 7.52609 rounds to 7.53.
*November 1, 2014*

**MATH**

Yep.
*November 1, 2014*

**Genetics**

Since both parents have to be homozygous, all of F1 will be heterozygous (Bb). Do a Punnett square for F2. https://www.google.com/search?client=safari&rls=en&q=Punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*October 31, 2014*

**Genetics**

I agree with you. Possibly that is a typo on the web page.
*October 31, 2014*

**Genetics**

https://www.google.com/search?client=safari&rls=en&q=Punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*October 31, 2014*

**statistics**

Z = (score-mean)/SD SD = √variance Insert values and compute.
*October 31, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "chemical bonding" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=chemical+bonding&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*October 31, 2014*

**statistics**

Is this your book's rule? Do you know the 68-95-99.7 rule? Approximately 68% of scores in normal distribution are within one standard deviation (34% on each side of the mean), 95% within 2 SD, and 99.7% within 3 SD.
*October 31, 2014*

**statistics**

Don't know what book says, but this is another way. 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 scores. Multiply by 100.
*October 31, 2014*

**Math, Please Help! I don't understand!**

37. Add 1 to both sides, then multiply that by a. 39. Multiply both sides by 3, then divide by π and r^2.
*October 31, 2014*

**Algebra 1**

You got it!
*October 31, 2014*

**statistics**

Z = (score-mean)/SD SD = √variance
*October 30, 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 proportions/probabilities related to the Z score. Multiply by 100.
*October 30, 2014*

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