Thursday

December 18, 2014

December 18, 2014

Total # Posts: 18,863

**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*

**English**

Although I don't believe the statement, "We are all equally wise."
*October 30, 2014*

**math**

(1-.55)x = 252 Solve for x.
*October 30, 2014*

**Math**

Look for two factors for each of the two end terms. 16 = 4,4 or 8,2 or 16,1 2 = only 2,1 By combining them, what will add to -14? Remember that one has to be negative. That is the beginning of your work. Carry on.
*October 30, 2014*

**algebra (?)**

What is your question?
*October 30, 2014*

**Math--1 question?**

To find the median, arrange score in order of value. Which has 15 as the middle-most value?
*October 30, 2014*

**Algebra**

x^2 + 6x + 5 = 0 (x+1)(x+5) = 0 x = -1 or -5
*October 30, 2014*

**Math question**

http://drdavespsychologypage.homestead.com/Two___Two_____four.pdf Nominal scales only use mode, Ordinal scales can use mode or median.
*October 30, 2014*

**Math help!**

Oops, I agree with your second answer.
*October 30, 2014*

**Math help!**

Pythagorean theorem. a^2 + b^2 = h^2 a^2 + 25 = 169 a^2 = 169 - 25 = 144 I would disagree.
*October 30, 2014*

**math**

A = 2x (A-5) = 3(x-5) Substitute 2x for A 2x-5 = 3x -15 -x = -10 x = 10
*October 29, 2014*

**statistics**

Z = (score-mean)/SD Insert values and compute Z.
*October 29, 2014*

**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.
*October 29, 2014*

**Business Ethics**

What are your choices?
*October 29, 2014*

**Math**

M = 2J M^2 + J^2 = 125 = (2J)^2 + j^2 = 4J^2 + J^2 = 5J^2 Solve for J.
*October 29, 2014*

**Geometry Needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*October 29, 2014*

**Math**

L = 8(2^2)/π^2 = 32/π^2 How far out do you want π in decimal places?
*October 29, 2014*

**math algeba**

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. (8.76*10^9)(6.52*10^-3)(13.27 * 10^-5) = When multiplying numbers, the exponents are added...
*October 29, 2014*

**Algebra**

No table shown. You cannot copy and paste here. 6 * 4 = 24 carnations 4 * 4 = 16 roses.
*October 28, 2014*

**Math**

Data is unclear. 4/5 What?
*October 28, 2014*

**English**

"As he…" seems awkward. 5 is better than 4.
*October 28, 2014*

**Algebra**

If the strawberries are multiplied by 3, the same needs to be done for the other fruits.
*October 28, 2014*

**Math (?)**

With your data, all I can get is last year + $800. What zero are you talking about?
*October 28, 2014*

**Math**

S = 1/3D + 3
*October 28, 2014*

**statistics**

a,b. 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 for the Z score. Multiply by 100. c. Find table in the back of your statistics text labeled something ...
*October 28, 2014*

**Math help**

Agree.
*October 28, 2014*

**Statistics**

95% = mean ± 1.96 SEm SEm = SD/√n
*October 28, 2014*

**statistics**

What is the claim? The way you have your data arranged make s them very difficult to read.
*October 28, 2014*

**English**

It could mean both, but I have the image of "grown-up." http://drdavespsychologypage.homestead.com/Decision_Trap.pdf
*October 28, 2014*

**English**

"A few days" is more specific and seemingly much shorter than "years." How about "recently," "not long ago," "a while ago?"
*October 28, 2014*

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