Thursday

August 21, 2014

August 21, 2014

Total # Posts: 17,966

**5th grade math help**

Where did you get "10" from? 3w + 7g = ?
*September 10, 2013*

**Math - Number Properties**

6 + 5 = ?
*September 10, 2013*

**science (?)**

It would help if you proofread your questions before you posted them. Inadequate data.
*September 10, 2013*

**Math**

17. a -17 = 11- 17 ≠ -28 18. Right 19. Right 20. b - a = 8 - 11 ≠ 19 22. Right 23. Right 24. Right 25. c - a -b = -6 -11 -8 ≠ -3 28. c - a + b = -6 -11 + 8 ≠ -13
*September 10, 2013*

**Math**

The greater your depth, the longer it will take to ascend.
*September 10, 2013*

**body systems terminology**

Sensory nerves are afferent nerves. Plasma with a clotting factor removed HIV Colds are causes by viruses.
*September 10, 2013*

**Math**

(24*48)/(4*6) = ?
*September 10, 2013*

**math**

"Of what she had left" leads me to think some data is missing. If not, 16 - 16/4 = 16 - 4 = 12
*September 10, 2013*

**math**

Yes, but the specific relation depends on the specific activity related to burning the calories
*September 9, 2013*

**math**

-8º Celsius
*September 9, 2013*

**math**

We do not have access to your text or tables.
*September 9, 2013*

**Math**

https://www.google.com/search?client=safari&rls=en&q=prime+numbers+list&ie=UTF-8&oe=UTF-8
*September 9, 2013*

**algebra**

Let x = number of dimes, then x/2 for nickels and x-10 for quarters. 5x/2 + 10x + 25(x-10) = 875 Solve for x, then x/2 and x-10.
*September 9, 2013*

**Algebra**

Let first number = x, then 4x = second and x-13 = third. x + 4x + x-13 = 353
*September 9, 2013*

**math**

Assuming three meals of stew a day, number of packages = (3*3*8)/2 = ? For cost, multiply the above answer by $4.95.
*September 9, 2013*

**math**

You don't have any pieces of fruit to look for yourself?
*September 9, 2013*

**math**

Why would you want a longer way to work out the problem? What you did is fine.
*September 9, 2013*

**Algebra**

It must be less than 8 and greater than 6.
*September 9, 2013*

**STAT**

Measures of central tendency are all know generally as "averages." I. Mean is calculated as mean = ∑X/N. The mean is the fulcrum (balance point) for the distribution; therefore it is most influenced by deviant scores. II. Median is the point of the distribution...
*September 9, 2013*

**MATH**

Z score is the raw score in terms of standard deviations from the mean. The Z score cuts off the same proportion for any normal distribution. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" ...
*September 9, 2013*

**math (?)**

More data needed.
*September 9, 2013*

**Math - Fractions**

Let x = total appointments x - 1/9x - 3/16(x-1/9x) = 234 Calculate for x, then subtract 234 from x.
*September 9, 2013*

**comm**

http://drdavespsychologypage.intuitwebsites.com/Listening_Helpfully.pdf Take your pick.
*September 9, 2013*

**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.
*September 8, 2013*

**science**

Does liking a cereal mean that it is better for you?
*September 8, 2013*

**MATH**

7 * 4/5 * 7 = ?
*September 8, 2013*

**Psychology**

The question asks for your thoughts rather than ours.
*September 7, 2013*

**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 7, 2013*

**statistics**

With "or", it is unclear whether you want the probability between the scores, above them or below them. Assuming that you want the probability between the Z scores, find table in the back of your statistics text labeled something like "areas under normal ...
*September 7, 2013*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*September 7, 2013*

**Math - Algebra**

b + 3/4b + 5/8b + 9/16b + 7/16b = 216 b + 3/4b + 5/8b + b = 216 Solve for b, then 9/16b = ?
*September 7, 2013*

**stat**

Z = (score-mean)/SD Calculate the Z score from your data above. Do you think a null hypothesis can be accepted or rejected with n = 1?
*September 7, 2013*

**Psychology**

1. Synapse is a gap, so you have to define what you mean by "meet." 2. Right. 3. Agree. 4. Is suckling acquired or inborn? 5. I'm not sure what you mean by reminder sessions. However, events need to be repeated often to be remembered. Also, in later life, there ...
*September 6, 2013*

**COMM100**

http://drdavespsychologypage.intuitwebsites.com/Communication__Gender_Bias.pdf
*September 6, 2013*

**STATISTICS**

Correlation does not necessarily indicate causation.
*September 6, 2013*

**STATISTICS (?)**

What is your question?
*September 6, 2013*

**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 between the two Z scores.
*September 6, 2013*

**statistics (?)**

Data missing. What is your question?
*September 5, 2013*

**math (?)**

What is the tax rate and allowance for dependents?
*September 5, 2013*

**math**

$7.45*40 + 4*2*$7.45 + 12*1.5* $7.45 = ?
*September 5, 2013*

**Math**

7 + 4 = 11 66/11 = 6 6*4 = ?
*September 5, 2013*

**Math**

35,200,000 - 250,000 = ? 35,200,000 - 252,800 = ?
*September 5, 2013*

**biology**

For Juice, Ho: no difference in stacks for slime, Ho: no difference between effects of juice vs. water
*September 5, 2013*

**math (incomplete)**

It would help if you proofread your questions before you posted them. Need more data. Cost of admission? Number in group?
*September 5, 2013*

**AP Psychology**

http://drdavespsychologypage.intuitwebsites.com/Brain__General_Anatomy.pdf
*September 5, 2013*

**math**

Typically (99% of the time) Z ranges from -3 to +3. Essentially ALL of the area would be to the right (greater than) Z = -103. Do you have a typo?
*September 4, 2013*

**LMI (?)**

You need to define "them."
*September 4, 2013*

**Math**

I assume you want a little space between the top of the box and the model. If not: 1.5/8 = ?
*September 3, 2013*

**science**

14.1 * 15 = 211.5 sq m It looks like you have 4 significant figures.
*September 3, 2013*

**science**

40 mL = .040 L Does that help?
*September 3, 2013*

**algebra (?)**

What is your question? The numbers as printed do not make sense.
*September 3, 2013*

**science**

Are they both at the same temperature?
*September 3, 2013*

**Math**

Will they all need to be seated like a Greyhound Bus? If so, the number of seats.
*September 3, 2013*

**Algebra**

3P = 2C(6 +5M) 3P/2C = 6+5M (3P/2C) - 6 = 5M [(3P/2C)-6]/5 = M
*September 3, 2013*

**Statistics**

It can only be stated in probability terms. 68% = within one SD 95% = within 2 SD
*September 2, 2013*

**stats**

I'm not sure what you men by "rank-over" but here is some information about the others. http://drdavespsychologypage.intuitwebsites.com/Two___Two_____four.pdf
*September 2, 2013*

**Spanish**

Since iPod is a brand name, you can use it.
*September 1, 2013*

**English**

You're welcome.
*September 1, 2013*

**English**

disgusting, improper, degenerate, clinically psychotic?
*September 1, 2013*

**statistics**

Z = (score-mean)/SEm SEm = SD/√n 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.
*September 1, 2013*

**algebra 2 (?)**

Data missing. What are your choices?
*August 30, 2013*

**Statistics**

You are welcome.
*August 30, 2013*

**Statistics**

Right.
*August 30, 2013*

**STATISTICS**

Whichever correlation is closest to ±1 is right. That is choice D.
*August 30, 2013*

**Statistics**

First one is B. I would agree with the second too, if P<.05.
*August 30, 2013*

**math**

The one closest to a square, 20 by 20.
*August 29, 2013*

**Math**

Revise your thinking. 1. Single blind gives the control group a placebo — a substance that is inert, it has no physical effect. Subjects don't know if they are in experimental or control group to reduce placebo effect, a change in behavior solely due to believing that...
*August 29, 2013*

**math (long div.)**

Divide 6984 into 8.0000000. 6984 into 8.000 = .001 with remainder of 1016. Drop the next zero to give you 10160, divided by 6984 = 1 with remainder of 3176. Drop the next zero to give you 31760, divided by 6984 = 4 with remainder of 3824. So far the answer is .00114. Continue ...
*August 29, 2013*

**Grammar**

with = not algebra for = not trig However, "for" version is a little awkward. "I want to take algebra instead of trigonometry" would be better.
*August 29, 2013*

**5th grade math (?)**

Insufficient data.
*August 28, 2013*

**5th grade math**

2L + 2W = 88 88 factors into 2 * 2 * 2 * 11 Use that info to find your L and W, then multiply L*W = area.
*August 28, 2013*

**Science**

Since this is not my area of expertise, I searched Google under the key words "research water pollution" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=research+water+pollution&ie=UTF-8&oe=UTF-8 In the future, you can find the ...
*August 28, 2013*

**Statistics**

1. Definitely NOT II. 2. How did they know that the students started with the "same levels of mathematical achievement"? Was Britain's National School-Leaving Exam given previously? 3. Right.
*August 28, 2013*

**Math**

Since lurking variable is essentially the same as confounding variable, I don't think it is B. Without more data, my best guess would be E.
*August 28, 2013*

**math**

1.2 meters per minute
*August 28, 2013*

**Probability**

33/211 = ?
*August 28, 2013*

**maths**

It would help if you proofread your questions before you posted them. Online "√" (v+option keys) is used to indicate square root. √(7+2(1+√3)x(1+√5) has no reference to y or z.
*August 28, 2013*

**math**

Estimate = 4 * 2000 = ? Accurate = 4 * 2150 = ?
*August 28, 2013*

**ACT Math**

I agree with you. 33-16 = 17girls 24-17 = 7 It may be a typo on the answer sheet.
*August 27, 2013*

**maths I need answer**

7+5 = 12 7 * 5 = 35 75
*August 27, 2013*

**stat**

(6+2+1)/(6+2+1+8+3) = ?
*August 26, 2013*

**Statistics**

1. correct 2. Wrong. Look up definitions of 'sample" and "Census". 3. Wrong. Look up sampling error. 4. Wrong. Look up statistic and parameter. 5. Wrong. Look up statistic and parameter. 6. Right. 7. Right. 8. Right. 9. Right. 10. Right. 11. Right. 12. Wrong...
*August 26, 2013*

**Algebra**

1. 4 - 7(8)/(-8) 4 - 56/(-8) -52/-8 = ? 2. 4-3 = 1 1^2 = 1 6(1) -3(2) = ?
*August 26, 2013*

**Algebra**

Rearranging the terms might help to see what is required. 1. 23/39-5/39 = 18/39 = 6/13 2. 2/12-7/12 = -5/12
*August 26, 2013*

**Probablity**

43/242 = ?
*August 26, 2013*

**8th Grade Math**

Anon failed to notice that t is also in the denominator. Multiply both sides by 2t. 5 - 2t^2 = 6t + 3 Combine like terms. 2 - 2t^2 -6t = 0 Multiply by -1. 2t^2 + 6t - 2 = 0 I also get no solution, but at least my equation is correct.
*August 26, 2013*

**maths (incomplete)**

Inadequate data.
*August 26, 2013*

**statistics (incomplete)**

1. You answered this in your second question. There is no data to help in making a decision.
*August 25, 2013*

**Biology (incomplete)**

Without more data, I am confused too. We need to know more about the context of the equation.
*August 24, 2013*

**Statistics**

16. 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 to the Z score. 17. Use same equation and table. 18. Use table to find P = ± ,45 to ...
*August 24, 2013*

**Algebra**

-3 1/4 = -13/4
*August 24, 2013*

**mathematics**

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 24, 2013*

**math**

mean = ∑x/n 6 = (x+y+z)/3 9 = (x+y+z+t+u+v+w)/7 63 = (x+y+z+t+u+v+w) 18 = (x+y+z) mean = (63-18)/4 = ?
*August 24, 2013*

**math**

(350-245)/30 = ?
*August 23, 2013*

**Math 4th grade**

There is no underlining. Four hundred eighty-eight, four hundred twenty-three, forty-six
*August 23, 2013*

**Science**

You cannot use just one word to describe both what it is like and what it is not like. Cell - box metabolism - burning
*August 22, 2013*

**science**

Have you heard of physics?
*August 22, 2013*

**Biology**

They are both, but MZ twins have identical genetics, you would expect their correlations to be higher. Lower correlations suggest environmental. http://drdavespsychologypage.intuitwebsites.com/Decision_Trap.pdf
*August 22, 2013*

**Pre-algebra**

Multiply both sides by 9. 7-4 = 3y You can take it from here.
*August 22, 2013*

**Pre-algebra**

Right.
*August 22, 2013*

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