Sunday

August 28, 2016
Total # Posts: 22,163

**Math**

What is your question? Here is a guess. a/c - c/a Multiply by ca a^2 - c^2
*September 15, 2015*

**Science**

No, the experiment is confounded with the quality of the irrigation systems.
*September 15, 2015*

**Math**

2x ≤ $35 Your division signs look like plus signs. 2x/2 ≤ $35/2 x ≤ $17.50 per puppy However, if one puppy < $17.50, the other can be proportionately > $17.50. "≤" is found by pressing "<" and "option" keys.
*September 15, 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.
*September 15, 2015*

**satistics**

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 "...
*September 15, 2015*

**Statistics**

Approximately mean ±2Z or ±2SD
*September 14, 2015*

**Science**

A, but anyway, the sample of 2 hits is too small.
*September 14, 2015*

**science**

No. 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 later post.
*September 14, 2015*

**Math**

Graph it out. What does it look like?
*September 14, 2015*

**STATISTICS**

Need measure of variability.
*September 14, 2015*

**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 between the two Z scores.
*September 14, 2015*

**Math**

No circle graph. Cannot copy and paste here.
*September 14, 2015*

**Math**

What was original problem?
*September 14, 2015*

**Algebra**

It would help if you proofread your questions before you posted them. Do you really want "the average cost of the crate"? ($75+$82)/2 = ?
*September 14, 2015*

**algebra**

-3*(4+7) = -3 * 11 = -33
*September 14, 2015*

**statistics**

It seems like it is asking for the numerical values of each variable.
*September 13, 2015*

**grammer**

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. drawings (plural) are
*September 13, 2015*

**math**

9.6 - 8.4 = ?
*September 13, 2015*

**Maths**

1) 2a^2b(1+4b) 2) Correct
*September 13, 2015*

**Physics needs help**

Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you. Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*September 13, 2015*

**math**

12 cm (120*72)/(12*12) = 60
*September 13, 2015*

**math**

6 cm (120*72)/(6*6) = 240
*September 13, 2015*

**math**

What is your question?
*September 12, 2015*

**algebra**

f(2) = (3*2^2) - (4*2) - 1 = 3*4 - 8 - 1 = 3 Use the same process for the remaining problems.
*September 12, 2015*

**math**

2/5c + 4 -1/5 = -4 Subtract 4 and add 1/5 to both sides. 2/5c = -7 4/5 = -7.8 Multiply both sides by 5/2. c = 19.5
*September 12, 2015*

**Math**

Quantitative, quantitative, nominal, (nominal)???, quantitative
*September 12, 2015*

**Algebra 2**

What expression? You cannot copy and paste here.
*September 12, 2015*

**statistic**

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.
*September 12, 2015*

**math**

1/10 = x/11.9 Solve for x. Do the same for second question.
*September 12, 2015*

**Biology**

If blue is recessive to hazel, yes. Even not knowing genotypes for hair, I would assume not.
*September 11, 2015*

**algebra**

80 + .35n = 49.25 + .5n 30.75 = .15n n < 205
*September 11, 2015*

**biology**

Right
*September 11, 2015*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. A negative times a positive is a negative.
*September 11, 2015*

**science**

What graph? You cannot copy and paste here.
*September 11, 2015*

**science**

What graph? You cannot copy and paste here. Only use one name.
*September 11, 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.
*September 11, 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 11, 2015*

**psychology**

What are your choices? Behaviorism?
*September 10, 2015*

**Alegbra**

s = L -18 5L - 4s = 100 Substitute L-18 for s in the second equation and solve for L. Insert that value into the first equation to solve for s. Check by putting both values into the second equation.
*September 10, 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.
*September 10, 2015*

**Statistics**

.997 = mean ± Z * SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.003/2) and its Z score. Insert data into above equation and solve.
*September 10, 2015*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Get rid of parentheses first. Z - 9 = 208 + 530 - 8 Continue from there.
*September 10, 2015*

**Math**

26^3 + 10^2 = ?
*September 10, 2015*

**Math question**

Are you sure it is 3 squares rather than 4? If 4, have longer sticks in a square, and shorter sticks bisecting within the larger square.
*September 9, 2015*

**Math**

Get rid of parentheses first. -12÷3•(-8+16-6)+2 = -12÷3•(2)+2 = ?
*September 9, 2015*

**science**

How about using a magnet?
*September 9, 2015*

**science**

What surface?
*September 9, 2015*

**Science**

What list? You cannot copy and paste here.
*September 9, 2015*

**Science**

No following. Cannot copy and paste here.
*September 9, 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 9, 2015*

**statistics**

See previous post.
*September 9, 2015*

**statistics**

Use the Chi-square (X^2) method. X^2 = ∑ (O-E)^2/E, where O = observed frequency and E = expected frequency. ∑ = sum of all the cells. E = (column total * row total)/grand total df = n - 1, where n = number of cells Look up value in X^2 table in the back of your ...
*September 9, 2015*

**Snethezekile High School**

I would suggest consulting your high school school counselor, who can administer interest tests and ask you specific questions to help you in your decisions.
*September 9, 2015*

**algebra**

If roommates are not sharing in this expense, M = $500 + x However, if it is "how much more money," then M = x.
*September 9, 2015*

**?**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What is your question?
*September 9, 2015*

**Math**

Of the 4 by 6, which is the width? L/W = NL/15 Enter L and W and solve for new length (NL).
*September 8, 2015*

**Math**

Percent bar? 300 * .80 = ?
*September 8, 2015*

**Math**

Board is 26 by (26 + 10) = 36. Area = 26 * 36 = ? Divide area by 9, then calculate possible length and width.
*September 8, 2015*

**Math**

You do not need to press "return" to put in the denominator in a fraction. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 7/10 * (7-1)/(10-1) = ?
*September 8, 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 8, 2015*

**Spanish**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. está(?)
*September 8, 2015*

**Stats**

Not sure how you define "deviation score." Is it a Z score? T score? Raw score?
*September 8, 2015*

**Statistics**

They would all also be in dollars.
*September 8, 2015*

**Math**

.3(100) + 4 + .1(100) + 6 = 34 + 16 = 50 minutes to run one cycle. The next cycle will start with 10 minutes remaining in the hour, leaving 20 minutes remaining in the second hour, and so on. Capacity > 200 units/hour
*September 8, 2015*

**science!**

Agree
*September 7, 2015*

**Science**

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

**Interview Questions**

What type of exam are you giving the elderly patient? The are vision charts which just have capital E's in various orientations. As you point to each letter, the patient can use hand signals to indicate the orientation of the letter.
*September 7, 2015*

**algebra**

Disagree (1-.60)x = 2500 Solve for x.
*September 7, 2015*

**probability**

http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf
*September 7, 2015*

**probability**

You want to know the probability of a Royal Flush. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/52 * 1/51 * 1/50 * 1/49 * 1/48 = ?
*September 7, 2015*

**Math Probability**

1/5000, so now you would have a 1/2500 chance.
*September 7, 2015*

**finite**

It would help if you proofread your questions before you posted them. I have no idea what you are asking. Clarify.
*September 7, 2015*

**finite**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. A) 13/52 * 12/51 = ? B) 13/52 * 13/52 = ?
*September 7, 2015*

**finite**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. A) .73877^2 = ?
*September 7, 2015*

**statistics**

P = .396
*September 7, 2015*

**stats**

http://drdavespsychologypage.homestead.com/Odds__Figuring.pdf
*September 7, 2015*

**Math**

5/12 + 9/12 = ?
*September 7, 2015*

**Math**

13/8 = 1 5/8
*September 7, 2015*

**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*