Monday

November 30, 2015
Total # Posts: 20,786

**Math**

7 2/3
*September 7, 2015*

**Statistics**

Number of meals served * .6 = ?
*September 7, 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. How is this biology?
*September 7, 2015*

**Statistics (?)**

I have no idea of what measure the IQV is using.
*September 6, 2015*

**math**

It would help if you proofread your questions before you posted them. I have no idea of the meaning of some of your symbols. 1.50 + .50x = 25 Except for Y and U symbols, the last two choices seem identical.
*September 5, 2015*

**math**

I assume that "absolution deviation" means the same as standard deviation (SD). Z = (score-mean)/SD 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 ...
*September 5, 2015*

**fundamentals of math**

No more than 15 will need both repairs. Since 15 + 26 = 41, at least one will need both. 40 - 26 = 14 could need neither.
*September 5, 2015*

**physics**

First, indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Second, it would help if you proofread your questions before you posted them. Convert to what?
*September 5, 2015*

**math**

Welcome
*September 4, 2015*

**math**

Agree.
*September 4, 2015*

**math**

1/2 = one over two Step 2, 3x - 4x = -x
*September 4, 2015*

**math**

You are welcome.
*September 4, 2015*

**math**

(cd+b) = 7*(-4) + (-5) = -28 - 5-33 a(cd+b) = -2 * (-33) = -66 Negative times negative = positive b - (-66) = -5 + 66 = 61
*September 4, 2015*

**biology**

Do not agree. The tortoise digs in response to the heat.
*September 4, 2015*

**Math**

It will be either rock or dance. Either-or probabilities are found by adding the individual probabilities. 54/158 + 92/158 = ?
*September 3, 2015*

**math**

It would help if you proofread your questions before you posted them. First of all, there is no diagram. You cannot copy and paste here. Second, you info is hard to understand. What do all the dollar signs ($) signify?
*September 3, 2015*

**algebra 2**

With the slash, I don't know if the -8 is a divisor for the 5. If it is, you don't add 8 to both sides. If the slash was a typo, add 13 to both sides. Then multiply both sides by 3x.
*September 3, 2015*

**Science**

https://www.google.com/search?client=safari&rls=en&q=Scientific+methodology&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*September 3, 2015*

**maths**

S = 2D 4S + 3D - 8000 = 30,000 Substitute 2D for S in the second equation and solve for D. Insert that value into the first equation to solve for S. Check by putting both values into the second equation.
*September 3, 2015*

**MATHS**

Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you. Let x = original amount x - .5x - 2/3(.5x) = 200 Solve for x.
*September 3, 2015*

**maths**

1 rs = ? paise
*September 3, 2015*

**Algebra**

16(4^2) + 24*4*3 + 9(3^2) = ? You should be able to square the numbers and do the rest of the math.
*September 3, 2015*

**Algebra**

All your answers are wrong.
*September 3, 2015*

**math**

It would help if you proofread your questions before you posted them. Note "years." Problem doesn't indicate how many pieces. I had to assume 2 from your attempt to answer. 15 - 2 1/3 ≠ 12 3/4 If you cut into 2 equal pieces, each will be half of the ...
*September 3, 2015*

**Pre Algebra**

It would help if you proofread your questions before you posted them. Do not understand question as posted.
*September 3, 2015*

**math**

Subtract each estimate from the exact sum to find your answer.
*September 3, 2015*

**Math**

$6000? 2,514 * $2 = ?
*September 2, 2015*

**statistics**

I'm not sure of your information. Does that mean a mean of 0 and a standard deviation of 7.6? If so: 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 ...
*September 2, 2015*

**Math**

Add 2 to both sides, then multiply both sides by 4/3.
*September 2, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Y = # of yellow marbles Y/12 * (Y-1)/(12-1) = 5/33 Solve for Y.
*September 2, 2015*

**math**

Let x = one number x - x/5 =152 Solve for x, then x/5.
*September 2, 2015*

**biology**

Cannot copy and paste here.
*September 2, 2015*

**science**

No figure. Cannot copy and paste here.
*September 2, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 5/12 * 2/12 = ?
*September 2, 2015*

**Math**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 1. No. (8/2)^2 = 4^2 2. No, where is 10^2 = 100? 3. No. 220^2 > 100^2 > 11.5 4. Right
*September 1, 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 your later post.
*September 1, 2015*

**biology**

No following. Cannot copy and paste here.
*September 1, 2015*

**math**

It would help if you proofread your questions before you posted them, e.g., 82 or 8*2, 3.2 or 3*2? Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Also, get rid of parentheses first (12/3.2) = 3.75.
*September 1, 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.
*September 1, 2015*

**Math**

891 890
*August 31, 2015*

**Math**

Are you missing some information? 2172, 2154, 2136, 1072, 1054, 1036?
*August 31, 2015*

**Math**

Are you missing some decimal points? .357, .375
*August 31, 2015*

**Science**

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.
*August 31, 2015*

**Algebra**

Agree
*August 31, 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.
*August 31, 2015*

**Chelsea**

Multiply by 2. 2x + 4 = 76 - x 3x = 72 Take it from there.
*August 31, 2015*

**science**

It would make it easier for us, if the answers were with the questions. I will respond only to where I see errors. 7. c 9. d 17. invention? 19. A scientific law has overwhelming evidence to support it. 18. https://www.google.com/search?client=safari&rls=en&q=define+science&ie=...
*August 31, 2015*

**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.
*August 31, 2015*

**maths**

What figure? You cannot copy and paste here.
*August 31, 2015*

**Algbrea**

10:00-5:00 = 7 hours each day (7 * 8 * 7)/30 = ?
*August 30, 2015*

**intro to digital tech**

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.
*August 30, 2015*

**Health**

What community?
*August 30, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "element ionization energy periodic table" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=element+ionization+energy+periodic+table&ie=UTF-8&oe=UTF-8&...
*August 30, 2015*

**SCIENCE!**

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, here is some help: An independent variable is the potential stimulus or cause, ...
*August 29, 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. However, I will give you some help. X^2 = ∑ (O-E)^2/E, where O = observed frequency ...
*August 29, 2015*

**life orientation needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*August 27, 2015*

**math needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*August 27, 2015*

**Math**

I assume you are adding 7 + 8 = 15 Carry the 1 to the tens column. 1 + 1 + 3 = 5 17 + 38 = 55
*August 27, 2015*

**math**

(5 + 15)/100 = ?
*August 26, 2015*

**biology**

Since this is not my area of expertise, I searched Google under the key words "protein vs. complex carbohydrate" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=protein+vs.+complex+carbohydrate&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*August 26, 2015*

**fundamentals math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
*August 26, 2015*

**fundamentals math**

(2/12)^2 = ?
*August 26, 2015*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (3/8) * (3-1)/(8-1) = ?
*August 26, 2015*

**Algebra**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Assuming no typos (either yours or the text): Get rid of parentheses first. 42 - 2(3*5+1) = 42 - 2(16) = 42 - 32 = 10 42 - 2 ≠ 39
*August 26, 2015*

**Math Equations**

z^2 + 4z + 3 = (z+1)(z+3)
*August 26, 2015*

**Psyc**

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, Punnett square is treatment/no treatment vs. gender. I'll leave the rest to you.
*August 26, 2015*

**PSY 202**

You cannot copy and paste here.
*August 26, 2015*

**Math**

Cannot be multiple of 7 or 3. How high do you want to go?
*August 24, 2015*

**math**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. Cannot do Venn diagram here.
*August 24, 2015*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "effectors of peptide folding" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=effectors+of+peptide+folding&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, ...
*August 24, 2015*

**Science**

"String telephone" not specific enough. The thickness and tension of the string and what it is made of would be controlled variables. Audio level (db) would be more specific.
*August 23, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/17 * 1/16 * 1/15 * 1/14 = ?
*August 23, 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.
*August 23, 2015*

**MATH**

C is one of 8 letters in the word, Canadian = 1/8
*August 23, 2015*

**Math**

This would mean that .8 lbs is 1/5 B.
*August 22, 2015*

**Math**

180º - 50.7º = ?
*August 20, 2015*

**math**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. (x+y)^2 = (x+y)(x+y) Multiply them out.
*August 20, 2015*

**Life Science**

What is your question?
*August 20, 2015*

**science**

It would help if you proofread your questions before you posted them. Cannot understand.
*August 20, 2015*

**math**

The process looks good, but you haven't given the reasons.
*August 19, 2015*

**Math**

$175/7 = $25 per week $375/15 = $25 per week $25(#weeks) = total
*August 19, 2015*

**math help**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. A minus times a plus = a minus. Otherwise, just multiply it out.
*August 19, 2015*

**Math**

No drawing. Area = length * Width Area = (3*30)(5*30) = ?
*August 19, 2015*

**algebra**

-2^2 = 4 (3*4) - 7 = ? Work it from there.
*August 19, 2015*

**math**

2675 * .16 = ?
*August 19, 2015*

**math**

What is the largest number that can be divided into both 70 and 525 with no remainder? Since 525 ends in 5, the side must end in 5.
*August 18, 2015*

**Health**

Agree
*August 17, 2015*

**education**

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.
*August 17, 2015*

**Science**

agree
*August 17, 2015*

**Math**

Since it is between 2,000 and 3,000, the thousands number must be two, so ones = 2 * 4 = 8 Let hundreds place = x, then tens = x+1. 2 + x + x+1 + 8 = 21 However, none of the digits are the same.
*August 17, 2015*

**math**

200 * .0525 = 10.5
*August 15, 2015*

**Algebra 1**

What equation? Cannot copy and paste here.
*August 14, 2015*

**statistics**

a, b, c. 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 scores. d, e. Find table in the back of your statistics text labeled something ...
*August 14, 2015*

**Math**

Assume that 90 is the mean. mean = ∑x/n = (83+85+92+86+87+x)/5 = ? n = 5, because "the last two scores would be counted as one score." Solve for x.
*August 13, 2015*

**Math**

More data needed.
*August 13, 2015*

**Maths**

each side = 19.5/3 = 6.5
*August 13, 2015*

**math?**

Two ways of what? 1100 550*2? 275*4? 11*100? 2200/2 ?
*August 13, 2015*

**statistics**

First Ace = 4/52 Second Ace = 3/51 Queen = 4/50 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
*August 12, 2015*

**stastistics**

Assuming a red ball is chosen on first draw, P(w) = 2/4 Assuming a white ball is chosen on first draw, P(w) = 1/4 Either-or probabilities are found by adding the individual probabilities.
*August 11, 2015*

**Science**

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 ...
*August 10, 2015*