Sunday

February 19, 2017
Total # Posts: 23,014

**maths (?)**

Do you mean X^3 = 36.13 * 10^-24?

*June 1, 2016*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. Second step x4/36 = (2/3)/36

*June 1, 2016*

**math (?)**

lack data

*June 1, 2016*

**Math**

8 for $5 = 4 for $2.50 That is 100% profit on those 4 oranges, assuming that the other 4 oranges are not just thrown in the garbage.

*June 1, 2016*

**Maths**

L = 2W+3 2L + 2W = 150 Substitute 2W+3 for L in the second equation and solve for W.

*May 31, 2016*

**math**

48 hours = 2 days What is Ro?

*May 31, 2016*

**math**

If inversely proportional, if x is increased by 50%, y should decrease by 50%.

*May 31, 2016*

**Math**

State you specific problem(s) and we will do our best to help.

*May 31, 2016*

**Math (?)**

How many green tiles are there?

*May 31, 2016*

**Math (?)**

No mosaic shown. Cannot copy and paste here.

*May 31, 2016*

**Math**

Area of circle = π(r^2)

*May 31, 2016*

**Math (?)**

What following?

*May 31, 2016*

**maths (?)**

Does "total area" include the top and bottom or just the sides? Painted area = 2*80*48

*May 31, 2016*

**Stats**

disagree

*May 30, 2016*

**Math**

1. agree 2. Either-or probabilities are found by adding the individual probabilities. 1/6+3/6 = ? Unmarked. Agree 3. disagree, notice the word, "NOT" 4. disagree, how many T's or A's are there? 5. agree

*May 30, 2016*

**math (?)**

What is your question?

*May 30, 2016*

**Biology**

Use the Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl Remember that it is a recessive gene.

*May 30, 2016*

**Math word (?)**

Does general = student?

*May 29, 2016*

**help science**

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

*May 29, 2016*

**Biology (?)**

Do not understand what you are asking.

*May 29, 2016*

**Biology**

https://www.google.com/search?client=safari&rls=en&q=piunnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl

*May 29, 2016*

**Bio**

But only the female can be a "carrier," having the sex-linked trait in the genotype, but not in the phenotype.

*May 28, 2016*

**Bio**

Sex-linked traits are X-linked traits. What does that tell you?

*May 28, 2016*

**Bio**

DNA makes up the code for all living things.

*May 28, 2016*

**math**

Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. I'll let you do the calculations.

*May 28, 2016*

**SCIENCE PLZZ HELP!!!**

Read bobpursley's answer again... very carefully.

*May 28, 2016*

**physical science (?)**

No above mentioned.

*May 28, 2016*

**Math**

Do you want the discounted price? If so: (1-.55)$16.99 = ?

*May 27, 2016*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .65^4 = ?

*May 27, 2016*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. When multiplying/dividing, exponents are added/subtracted respectively. 4^3 * 4^12 ≠ 4^36 (wrong) x^11/x^4 = x^7 (right)

*May 27, 2016*

**math**

Right

*May 27, 2016*

**Biology**

What various types of microscopes would you be using?

*May 26, 2016*

**Math**

1. Agree 2. disagree 6, 7, 10, 13. agree 15, ?. disagree 18. agree 19. disagree 20. 129*.25 = 32.25 Rather than typing "(my answer)," just use "***" to indicate that. It will save you lots of typing.

*May 26, 2016*

**math**

7x−2y=15 x+y=6 Multiply second equation by two and then add the equations.

*May 26, 2016*

**Drivers ED check my answers**

It has been over a half-century since I got my license, so I can't answer all the questions. 2. agree 3. DK 4, 5, 7. Agree 8. Disagree 9. DK 10. agree 11. DK 12. agree 13. DK 14. disagree 15. All of them 16. disagree 17, 18. agree 19. "IPDE"? 20. DK 21, 22, 23, ...

*May 26, 2016*

**Writing**

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

*May 26, 2016*

**math**

Does "them" apply to dozens or individual bananas?

*May 26, 2016*

**math**

1.06x = 75 Solve for x.

*May 26, 2016*

**math**

decimal of .25?

*May 25, 2016*

**Math**

To figure the third side, use Pythagorean theorem. 5^2 + 12^2 = h^2 This gives you the perimeter of the triangle. However, since they come in a "variety of lengths", you need more information. Also how high is the stand? What about the opening to sell the products?

*May 25, 2016*

**Math**

800 = π (r^2) h Decide on either the height or radius and solve for the other.

*May 25, 2016*

**Math**

What is your question?

*May 25, 2016*

**English**

I'll point out problems, and let you correct them. Better to use left and right rather than "westward" or "eastward," since you don't know what direction the person is facing. Toward which armpit? Does the person ever return to original standing ...

*May 25, 2016*

**Chemistry needs help**

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

*May 25, 2016*

**Probability**

P(1 or 4 or 5 or 6) Either-or probabilities are found by adding the individual probabilities. That is how Ms Sue got the answer.

*May 25, 2016*

**Probability**

If "circle is yellow," there is no probability of getting a red number.

*May 25, 2016*

**algebra**

What are your choices? It would be essentially a straight line going from lower left to upper right.

*May 25, 2016*

**math**

Cannot make probability tree on these posts.

*May 25, 2016*

**Pre alg**

disagree, what is "-2x+5x"?

*May 25, 2016*

**Literature (?)**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. What book/story does this relate to?

*May 25, 2016*

**Chemistry needs help**

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

*May 24, 2016*

**my son's math help please**

It doesn't matter how many slices. 2/3 of a cake is larger than 1/3 of a same-sized cake.

*May 24, 2016*

**English**

Don't know the story, but Holmes is noted for his careful and scientific solutions.

*May 24, 2016*

**Math**

5280 * .2 = ?

*May 24, 2016*

**Maths**

It would help if you proofread your questions before you posted them. From your data, it could be 863, 881, 845, 827 or 809.

*May 24, 2016*

**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. Find table in the back of your statistics text labeled something like "...

*May 24, 2016*

**Math**

Average = mean = sum of scores/number of scores I'll let you do the calculations.

*May 23, 2016*

**ALGEBRA**

It would help if you proofread your questions before you posted them. Where did you get 3/11? From your data, I would get 1/5(letters) * 1/2(coin) = 1/10

*May 23, 2016*

**pre algebra**

agree

*May 23, 2016*

**algebra (?)**

We cannot see the histograms. You cannot copy and paste here.

*May 23, 2016*

**Geometry**

Circumference = 2πr

*May 23, 2016*

**algebra**

10.5x = 7.5x + 30 Solve for x, then insert into one of the two equations to find y.

*May 23, 2016*

**math**

1. disagree, when dividing, exponents are subtracted. 2. disagree, when dividing, exponents are subtracted. 3. disagree, what is 4^-2? 4. disagree, anything to the Zero power = 1.

*May 23, 2016*

**math**

What are your answers? 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. When multiplying/dividing, exponents are added/subtracted respectively.

*May 23, 2016*

**Math**

Can get 7 with 4,3 or 3,4 or 5,2 or 2,5 or 6,1 or 1,6 out of 36 possibilities = 6/36 Use the same logic for above or below 7.

*May 23, 2016*

**Math**

7.5 gallons/cubic foot Convert to feet. V = 18 * 8 * 12 = 1.5 * 2/3 * ! = ?

*May 23, 2016*

**Maths**

M = 3D M+5 = 2.5(D+5) Substitute 3D for M in the second equation and solve for D. Insert that value into the first equation to solve for M. Check by putting both values into the second equation.

*May 23, 2016*

**Math**

8/44 = ?

*May 23, 2016*

**Math**

5/12x = 25 Solve for x. Subtract 25 from x. He will not have any chickens after 3 months.

*May 23, 2016*

**science (?)**

What plants? Biological categories? https://www.google.com/search?client=safari&rls=en&q=plant+classification+chart&ie=UTF-8&oe=UTF-8&gfe_rd=ssl&ei=4y5DV43PBOSD8QfJ8YbYBg

*May 23, 2016*

**Math (?)**

No figures. Cannot copy and paste here.

*May 22, 2016*

**Math**

Or you could try it this way. P-4 = A 6A = 4P Substitute P-4 for A in the second equation and solve for P. However, something seems askew here. Typos?

*May 22, 2016*

**Math**

6A = 4P A = 4/6P = 1/3P P = A + 4 Substitute P/3 for A in the third equation and solve for P.

*May 22, 2016*

**math**

N = 6E

*May 22, 2016*

**maths**

Cannot graph here.

*May 22, 2016*

**Science**

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

*May 22, 2016*

**Biology**

What are your answers? 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.

*May 21, 2016*

**math**

1543 = 16t^2 Divide both sides by 16 and then get square root.

*May 21, 2016*

**Math**

To get product (one negative) of -36, can have 18,2 or 9,4 or 3,12. 12 - (-3) = 15

*May 21, 2016*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. a. 1/3 * 1/3 = ? b. increase, 1/2 * 1/2 = ?

*May 21, 2016*

**math**

36,336 and 63,363

*May 20, 2016*

**Physics needs help**

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

*May 20, 2016*

**math**

D = L - 28 1/3L = 4/5D Substitute L-28 for D in the second equation and solve for L.

*May 20, 2016*

**Math**

I didn't even know there were "12th grade admission exams" when I was teaching. The content is likely to vary with the school district.

*May 20, 2016*

**Statistics**

Z = (score-mean)/SD A,B. 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. C. Use same table to find Z for .02. Insert in above equation...

*May 20, 2016*

**find the number**

What is your answer? 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.

*May 20, 2016*

**Algebra**

I will not even get into the math. It would help if you proofread your questions before you posted them. First, you say "summarize it in one-two paragraphs," but you have four. "each country’s payroll" More than one country? Your lack of comma use is ...

*May 20, 2016*

**Business Communication**

Are company databases external?

*May 20, 2016*

**Business Communication**

Even with the errors in capitalization and punctuation, I find it readable, a. However, I agree with Writeacher that your need to avoid developing sloppy habits for business communications.

*May 20, 2016*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1. What is x*x? 2. What is -3m*8? 3. Agree. 4. What is 5b*6B? 5b*10?

*May 20, 2016*

**math**

1. Disagree. 2. disagree. 3. disagree. 4. disagree.

*May 20, 2016*

**Math (?)**

No picture. You cannot copy and paste here.

*May 20, 2016*

**Algebra(?)**

Need more data. Typos? ABCD?

*May 20, 2016*

**Pre algebra**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 1/6 = ?

*May 20, 2016*

**Geometry**

Pythagorean Theorem a^2 + b^2 = L^2 24^2 + 10^2 = L^2

*May 20, 2016*

**Math/ Ratios (oooops)**

I'm sorry. That was past tense, "did." If so, add A and H.

*May 20, 2016*

**Math/ Ratios**

A = H (A-23)/(H-7) = 3/4 Substitute H for A in the second equation and solve for H. Insert that value into the first equation to solve for A. Add (A-23) and (H-7).

*May 20, 2016*

**math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 2*2*2 ≠ 12 However, unless you have more typos, I get 5 too.

*May 20, 2016*

**atlantic high**

Pythagorean Theorem a^2 + b^2 = c^2 a^2 + 4^2 = 8.5^2 Solve for a.

*May 20, 2016*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 4(2/4) = 2 2*4 = ?

*May 20, 2016*