Thursday

July 30, 2015

July 30, 2015

Total # Posts: 20,060

**Algebra**

3p + 2e = $2.85 4p + 5e = $5.41 Multiply top equation by 5 and bottom by 2. 15p + 10e = 14.25 8p + 10e = 10.82 Subtract bottom equation from top and solve for p. Then use top original equation to solve for e. Insert both values into bottom original equation to check answers.
*January 13, 2015*

**Math**

300 - 40x = 140 Solve for x.
*January 12, 2015*

**math**

If the two zoos are written on one piece of paper, how do you select one at random? The P of selecting either zoo at random = .5 After picking either one, the probability of selecting the remaining one is certainty. With only two possibilities, the first choice is independent...
*January 12, 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.
*January 12, 2015*

**science**

What authors? Have you read their material?
*January 12, 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 previous post.
*January 12, 2015*

**statistics**

Z = ± 1 Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability between the Z scores. Multiply by 100.
*January 12, 2015*

**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. Multiply by 100. However, it would be easier if you realized that the mean, median ...
*January 12, 2015*

**Math**

50x * 80
*January 12, 2015*

**Math**

a. 12.50/5 = P (profit per book) 105P = ? b. 1062.50/P = ?
*January 12, 2015*

**math**

25/40 = 50/T Solve for T. T + 40 = ?
*January 12, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "genetic engineering" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=genetic+engineering&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*January 12, 2015*

**algebra**

What scale?
*January 12, 2015*

**please help me in math**

5/total of readers = ?
*January 12, 2015*

**Statistics**

For the y-intercept, x = 0. Insert that value into the equation and calculate.
*January 12, 2015*

**Statistics**

A. 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 of the Z score. Multiply by 100. B. Use same table to find Z for P = .01. Insert in above equation and ...
*January 12, 2015*

**math**

In relation to what?
*January 12, 2015*

**science**

Since this is not my area of expertise, I searched Google under the key words "phylum under the five kingdoms" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=phylum+under+the+five+kingdoms&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*January 12, 2015*

**math**

√4/3 - √3/4 = √16/12 - √9/12 = √?
*January 11, 2015*

**Math**

13.5(1 - .8) = ?
*January 11, 2015*

**statistics**

https://www.google.com/search?client=safari&rls=en&q=correlation+coefficient+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*January 11, 2015*

**Intermediate algebra**

What expression? Cannot copy and paste here.
*January 11, 2015*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "rocks store oxygen" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=rocks+store+oxygen&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*January 10, 2015*

**algabra**

Convert all to inches. 1/24 = x/90 Solve for x.
*January 10, 2015*

**math**

Measures of variability like range and standard deviation.
*January 10, 2015*

**Maths**

Due West.
*January 10, 2015*

**Maths**

1 - .6 = ?
*January 10, 2015*

**Biology**

Can spit reproduce?
*January 9, 2015*

**Math 6 help**

More info needed before we can help you.
*January 9, 2015*

**algebra**

P = L + 5 25P + 20L = 35000 Substitute L+5 for P in second equation and solve for L. Then solve for P.
*January 9, 2015*

**Literature**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. From the limited information, I would agree with A.
*January 8, 2015*

**math**

What equations? You cannot copy and paste here.
*January 8, 2015*

**fractions**

(1 - 1/4) - 1/3 = 3/4 - 1/3 = 9/12 - 4/12 = ?
*January 8, 2015*

**Math**

n($3.00-$1.80) = $36 Solve for n.
*January 8, 2015*

**Math**

For the tip: .15($143.35)/8 = ? For the total bill: 1.15($143.35)/8 = ?
*January 7, 2015*

**math**

1.49/9.80 = x/12.60 Solve for x.
*January 7, 2015*

**Psychological Statistics**

Z = (score-mean)/SD
*January 7, 2015*

**Science**

Unless there is data that you have omitted, I would.
*January 7, 2015*

**algebra**

28 = 2b - 4 Solve for b.
*January 7, 2015*

**Science**

What mediums are you considering?
*January 7, 2015*

**health**

You cannot copy and paste here.
*January 7, 2015*

**Algebra**

S = A + 30 2S + 5A = 1450 Substitute A+30 for S and solve for A, then S.
*January 7, 2015*

**Language arts**

What novel are you referring to?
*January 7, 2015*

**Biology**

If you answer to the first question is correct, then the recessive will produce the same phenotype only when paired with another recessive.
*January 7, 2015*

**math**

1.1($35 + $75) = ?
*January 7, 2015*

**English**

How would we know how you read you materials previously or how SQ3R improved your comprehension?
*January 6, 2015*

**Geometry**

We cannot graph on these posts.
*January 6, 2015*

**Health**

Lacking a food group(s) in one meal can be made up by including a that group(s) in a subsequent meal.
*January 6, 2015*

**Bosaso**

df = n-1
*January 6, 2015*

**Bosaso**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability for Z ± 1.3.
*January 6, 2015*

**Vocab**

Agree.
*January 6, 2015*

**Math**

28 - 7 = 21 - 7 = etcetera 28/7 = ?
*January 5, 2015*

**Statistics**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. [(15-8)*3-13]/2 = (7*3 - 13)/2 = (21 - 13)/2 = 8/2 = ?
*January 5, 2015*

**science**

What units do you desire? If Km/hour: 5 * 12 = 60 seconds = 1 minute There are 10,000 cm in 1 Km. (20 * 12 * 60)/10,000 = ?
*January 5, 2015*

**science**

2,560 * 60 = m/hour For Km/hour, divide answer above by 1000.
*January 5, 2015*

**math-algebra HELP!!!!**

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. Also, #1 has no graph. You cannot copy and paste here.
*January 4, 2015*

**probability and statistics**

What question are you trying to answer with your sample?
*January 4, 2015*

**Statistics**

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.05 each direction) and its Z score = 1.645. 90% = mean ± 1.645 SEm SEm = SD/√n
*January 3, 2015*

**Statistics**

See process in your later post.
*January 3, 2015*

**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.
*January 3, 2015*

**Statistics**

See process in later post. Of course, you can shorten the process if you remember that the mean, mode and median are the same value in a normal distribution.
*January 3, 2015*

**Science**

It has to get out of the car first. What does that tell you?
*January 2, 2015*

**language arts**

I would pick 2.
*January 2, 2015*

**Biology**

Since this is not my area of expertise, I searched Google under the key words "Photosynthesis and cellular respiration" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Photosynthesis+and+cellular+respiration&ie=UTF-8&oe=UTF-8&...
*January 1, 2015*

**biology**

Parents are AO and BO. Use a Punnettt square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*December 31, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "mitosis meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mitosis+meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*December 30, 2014*

**Math/ Statistics**

I have no idea what your superscript means. For one-tailed: Ho: µ = 16 oz Ha: µ < 16 oz For two-tailed: Ho: µ = 16 oz Ha: µ ≠ 16 oz
*December 30, 2014*

**Math/ 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. You can also try: http://davidmlane.com/hyperstat/z_table.html
*December 30, 2014*

**science**

Depending on how you shave it, there is a possibility of genital cuts and bleeding. New stubble may cause irritation. No change in growth, but illusion of faster growth with stubble, because you are starting with zero background. For example, 1/4 inch growth with normal length...
*December 30, 2014*

**biology**

Since this is not my area of expertise, I searched Google under the key words "mitosis meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=mitosis+meiosis&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the ...
*December 29, 2014*

**math**

How can we describe a situation in your life?
*December 29, 2014*

**statistics**

This means that the difference between men and women was significant, P ≤ .05. There is a 5% probability that this difference is caused solely by chance (alpha error), but scientists tend to assume that chance is not acting in this case. Why wasn't there a ...
*December 29, 2014*

**Math**

If 2y = 8, then y = 4. Substitute that value into the second equation to find x.
*December 28, 2014*

**6th grade math**

It would help if you proofread your questions before you posted them. Do you mean "Sandra ate 4 cups"? Four cups = 20/5 How many times does 4/5 go into 20/5?
*December 26, 2014*

**English**

I searched Google under the key word "chagrin" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=chagrin&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 ...
*December 24, 2014*

**economics,tourism,business studies and maths lit**

This is a question that is better answered by your high school/college counselor. S/he can administer interest tests and ask specific questions that will allow more specific and accurate answers to your question.
*December 24, 2014*

**6th grade Math**

What are your choices?
*December 22, 2014*

**Grade 9th Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*December 22, 2014*

**Spanish II**

Compro is first person, not third. You are looking for a pronoun for "libro."
*December 22, 2014*

**statistics**

You cannot copy and paste here.
*December 21, 2014*

**Maths lite, business, geography, life science**

It would be better to ask you high school/college counselor. because s/he could ask questions and/or give interest tests to answer your question more effectively.
*December 20, 2014*

**Intermediate Algebra**

I assume you mean dive. 120 = 16t^2 Solve for t.
*December 19, 2014*

**statistics**

Ho: mean = 6' 9" Ha: mean ≥ 6' 9"
*December 19, 2014*

**Science**

Since this is not my area of expertise, I searched Google under the key words "respiration vs fermentation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=respiration+vs+fermentation&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
*December 18, 2014*

**Science**

No, the daughter cells will still be the diploid number rather than the haploid number.
*December 18, 2014*

**Math help**

4L = s 7L + 3.5s = 380 Substitute 4L for s in the second equation and solve for L. Then solve for s. From the values, make your choice of the alternatives.
*December 18, 2014*

**biology**

Not sure exactly what you are asking. Gradual mutation? Interbreeding?
*December 17, 2014*

**Cardiovascular, Respiratory, and Digestive Systems**

What are your choices? You cannot copy and paste here.
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

What are your choices?
*December 17, 2014*

**Cellular Anatomy/Integumentary and Musculoskeletal**

Choices?
*December 17, 2014*

**programming**

We will not help you to hack computers.
*December 17, 2014*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. First marble = 5/14 With one less yellow marble, second = 4/13 With another less yellow marble, third = ? Multiply the three ...
*December 17, 2014*

**maths literacy geog business studies bio English a**

Your question needs to be much more specific for us to give an adequate response. Your teacher(s) would be able to give much better suggestions.
*December 17, 2014*

**math**

It already can be a height measurement. However, 61.125" = 5' 1 1/8" or 5 feet, 1 1/8 inches
*December 17, 2014*

**Statistics**

Ho: mean = 8.0 Ha: mean > 8.0
*December 17, 2014*

**math**

$7.75/lb.
*December 16, 2014*

**Algebra 1**

Using equation, insert one value to see if it calculates to the other.
*December 16, 2014*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 2 * 2 1/3 = (2*2) + 2(1/3) = 4 2/3
*December 16, 2014*

**Math**

1 thru 9 = 9 10 thru 30 = 21 * 2 = 42 Add the two.
*December 16, 2014*