Friday

July 31, 2015

July 31, 2015

Total # Posts: 20,066

**Math (Statistics)**

Actually doing the experiment?
*January 23, 2015*

**earth**

A=4πr^2 V=4/3πr^3 A/V = 4πr^2/(4/3πr^3) Some of the terms cancel each other out. 4πr^2/(4/3πr^3) = 1/3r
*January 23, 2015*

**math**

I assume the tickets were for a lottery. If the payoffs are the same, your chances are of winning are better with more tickets.
*January 23, 2015*

**math**

One in each corner plus one in the middle of each longer side.
*January 22, 2015*

**LAW**

The two variables are positively correlated, one varies directly with the other. Does that help?
*January 22, 2015*

**Math**

Insufficient data.
*January 22, 2015*

**Math**

x ≤ 8. "≤" = less than or equal to. Anything 8 or less.
*January 22, 2015*

**Math**

Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. y = 7 * 4x linear
*January 22, 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 22, 2015*

**HELP!**

There are typically fewer predators than prey.
*January 22, 2015*

**STATISTICS(PLEASE READ)**

6 * 365 = 2190 days 2.5 * 365 = 912.5 days What criterion are they using for the warranty? Mean? Mean + 1 SD? Mean + 2 SD?
*January 22, 2015*

**Algebra**

89 + 135 + c = 325 Calculate for c.
*January 22, 2015*

**math**

What is your question? I'm guessing. (5 - 2x)(3 - 2x) = 12 Solve for x.
*January 22, 2015*

**algebra**

Multiply both sides by x. 3 - x + 1 + x = 4 4 = 4
*January 22, 2015*

**maths**

It would help if you proofread your questions before you posted them. From 11 to what?
*January 22, 2015*

**statistics**

mean = ∑x/n = (.310 + .301 + .277)/3 = ?
*January 22, 2015*

**biology**

Rr for both. Check with Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*January 22, 2015*

**Math**

3 * 1/12 = ?
*January 22, 2015*

**math**

No numerical data given, so I would say none.
*January 22, 2015*

**math**

If the length was increased, the width would need to be decreased to have the same area.
*January 22, 2015*

**Math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. With each draw, there is one less sock total. 5/10 * 3/9 * 2/8 = ?
*January 21, 2015*

**Math**

(1 - .2)x = 72 Solve for x.
*January 21, 2015*

**stat**

mean = ∑x/n Calculate both means and subtract one from the other.
*January 21, 2015*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (1/4)^2 = ?
*January 21, 2015*

**Math**

How do the proportion of $9 tickets compare to $5 tickets?
*January 21, 2015*

**Math**

Bags * apples * ounces = Total
*January 21, 2015*

**Math**

purple/total colors = ?
*January 21, 2015*

**math**

It would help if you proofread your questions before you posted them. What is the statement?
*January 21, 2015*

**Science**

Disagree.
*January 21, 2015*

**Math**

25 > 14 ?
*January 21, 2015*

**statistics**

http://support.minitab.com/en-us/minitab/17/topic-library/basic-statistics-and-graphs/introductory-concepts/data-concepts/cat-quan-variable/
*January 21, 2015*

**public speaking**

Depending on the definitions of "street," I would disagree. If one person is the speaker, and one or more are just listeners, it would be a "one-way street, e.g., listening to radio or TV. There is no communication in the opposite direction, which is needed to ...
*January 21, 2015*

**psychology**

Not knowing Ms.Sue's response, Consider tornadoes, floods, earthquakes, etcetera.
*January 21, 2015*

**Math**

Amy = 15/3 per hour John = 30/5 per hour
*January 21, 2015*

**Math**

No. 14 - 4 = 10
*January 21, 2015*

**math**

Let x = kids' price, then 2x = adults'. 5x + 3(2x) = 60 Solve for x.
*January 21, 2015*

**check?**

Although this is not my area of expertise, I do have one comment. 1. "same" = uniform
*January 21, 2015*

**Biology**

If only two alleles of one gene are involved, it would be monohybrid. Since curly-winged is heterozygous, curly would be dominant, Cs. Assuming straight-winged is homozygous, ss. Take it from there.
*January 21, 2015*

**statistics**

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. Possibly this will help: An independent variable is the potential stimulus or cause, usually...
*January 21, 2015*

**Psychology**

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.
*January 21, 2015*

**math**

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. Both boys = 60/120 * 59/119 = ? Same for both girls. Either-or probabilities are found by adding the individual probabilities.
*January 20, 2015*

**math**

x - y = 4 Add y to both sides. x = y + 4 x + y = 12 Substitute y+4 for x in last equation and solve for y. Insert that value into the first equation and solve for x.
*January 20, 2015*

**Algebra**

Simplify? Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 25-2(8-2x^3)-4 = 25 - 16 + 4x^3 - 4 = 4x^3 + 5
*January 20, 2015*

**statistics(please answer!)**

What is c?
*January 20, 2015*

**literature**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. The most obvious form of discrimination is BASED ON skin color. Crooks is segregated BECAUSE of his skin shade. “They play cards in ...
*January 20, 2015*

**6TH GRADE MATH**

Disagree. After she spends 235, she still winds up with 1500? D has a typo = -1,265
*January 20, 2015*

**Algebra**

To get x alone on one side, you have to subtract 8 from both sides. x + 8 - 8 = -15 - 8
*January 20, 2015*

**english**

I'll start you out. Sucking blood, sleeping in a coffin….
*January 20, 2015*

**Biology**

What is your choice?
*January 20, 2015*

**story problem**

Assuming that "more" does not mean "more than 350," 600 - 350 = ?
*January 20, 2015*

**Science**

I don't know about grasshoppers, but with humans, sex-linked genes only occur on the X chromosome. http://www.biologycorner.com/bio2/genetics/notes_incomplete_dominance.html In the future, you can find the information you desire more quickly, if you use appropriate key ...
*January 20, 2015*

**statistics**

It definitely would not be effective.
*January 19, 2015*

**math**

Factor both dimensions. 60 = 2 * 2 * 3 * 5 48 = 2 * 2 * 3 * 2 * 2 The squares can be 2 by 2, 3 by 3 or 4 by 4. Which gives the "least number"?
*January 19, 2015*

**7th grade math**

-6r - 8 = -6r - 8 agree. 14 + 8w = 32 + 8w 14 = 32 Agree.
*January 19, 2015*

**Math**

12m +12 = 18m + 18 Subtract 12m and 18 from both sides of the equation. -6 = 6m -1 = m
*January 19, 2015*

**alegebra1**

V= lwh/3 = (base^2h)/3 Insert values and solve.
*January 19, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "continental drift theory evidence" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=continental+drift+theory+evidence&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the...
*January 19, 2015*

**algebra**

70 - 40 = 30 50 - 40 = 10
*January 18, 2015*

**Health/Brain Tumors**

It will depend on how large the tumor is and where it is.
*January 18, 2015*

**Statistics**

Either A or B could be used, but the histogram would be easier to analyze.
*January 18, 2015*

**Math**

"hire" = entire? .75($500 + 22*$250) = ?
*January 17, 2015*

**statistics**

Probability is not a percentage. Change format to decimal. Either-or probabilities are found by adding the individual probabilities. General = (100-30-49-13)/100 = ? Not computer = (100-30)/100 = ? If the events are independent, the probability of both/all events occurring is ...
*January 16, 2015*

**add more plz**

What methods will you use to "fight for civil rights"? Also, you mention your responsibilities but do not discuss you rights. Possibly this might help: http://drdavespsychologypage.homestead.com/Assertive_Rights.pdf
*January 16, 2015*

**science**

Since this is not my area of expertise, I searched Google under the key words "arguments against extending human life" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=arguments+against+extending+human+life&ie=UTF-8&oe=UTF-8&gws_rd=...
*January 16, 2015*

**MATH**

L = W + 13 2L + 2W = 8*12 (converting to inches) Substitute W+13 for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
*January 16, 2015*

**maths**

Pythagorean theorem. s^2 + s^2 = 2s^2 = 18^2 Solve for s.
*January 16, 2015*

**math progression needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 16, 2015*

**Chemistry needs help**

Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.
*January 16, 2015*

**Math**

x + 8
*January 16, 2015*

**Math**

R = 1/3B G = 5B R + G + B = 508.26 Substitute 1/3B for R and 5B for G in the second equation and solve for B.
*January 16, 2015*

**math(5th grade)**

16 teams need to play 8 games in the first round, leaving 8. 8 + 4 + 2 + 1 = ?
*January 16, 2015*

**science**

What is your question?
*January 15, 2015*

**How concepts develops**

Agree.
*January 15, 2015*

**Help with math**

5% + 30% = 10% + 25% and so on. 7 * 5%
*January 15, 2015*

**Math**

Just add 9 to both sides.
*January 15, 2015*

**Math**

No answer given. Just divide both sides by .6.
*January 15, 2015*

**Math**

.6x = 36 Solve for x.
*January 15, 2015*

**science**

Since this is not my area of expertise, I searched Google under the key words "types of pollution in water" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=types+of+pollution+in+water&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you...
*January 15, 2015*

**Science**

Since this is not my area of expertise, I searched Google under the key words "igneous rocks" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=igneous+rocks&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the future, you can find the information ...
*January 15, 2015*

**Science**

I would agree.
*January 15, 2015*

**Science HELP!!!**

Since this is not my area of expertise, I searched Google under the key words "injecting genes into an organism" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=injecting+genes+into+an+organism&ie=UTF-8&oe=UTF-8&gws_rd=ssl In the ...
*January 15, 2015*

**Biology**

Are they not animals?
*January 15, 2015*

**child psychology #1**

Although historically psychologists did not prescribe drugs, there is currently a movement to allow psychologists, with specific training, to do so.
*January 14, 2015*

**Health part 2**

https://www.google.com/search?client=safari&rls=en&q=exocrine+glands+definition&ie=UTF-8&oe=UTF-8&gws_rd=ssl
*January 14, 2015*

**Science**

It doesn't matter what changes I would make; the question is asking what genetic changes you would make.
*January 14, 2015*

**Genetics**

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.
*January 14, 2015*

**Genetics**

The man's genotype = XhY The woman's genotype = XhX Use the Punnett square. https://www.google.com/search?client=safari&rls=en&q=punnett+square+calculator&ie=UTF-8&oe=UTF-8&gws_rd=ssl A carrier does not experience symptoms in the phenotype.
*January 14, 2015*

**math**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 9.1*10^8 - 9.3*10^7 = 91*10^7 - 9.3*10^7 = (91-9.3)*10^7 = ?
*January 14, 2015*

**Algebra 1?**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Do you mean (-3x^3y^2)(5xy^-1) or (-3x^3y^2)(5xy)^-1 ???
*January 14, 2015*

**Health**

I would agree.
*January 14, 2015*

**Biology**

What genes are recessive and what ones are dominant?
*January 14, 2015*

**algebra**

W = 8S + 53 W + S = 1034 Substitute 8S+53 for W in the second equation and calculate S. Then use first equation to find W. Check by putting both values into the second equation.
*January 13, 2015*

**Psychology**

Why would the researcher have to explain anything? Why do the providers need to know they are participating in an experiment? Have video cameras record interactions for specific situations. Have third party observers rate the interactions according to the specified criteria ...
*January 13, 2015*

**algebra**

A = 3J + 2 A - J = 26 Substitute 3J+2 for A in the second equation and solve for J. Then put J value in the first equation to solve for A. Check by putting both values into the second equation.
*January 13, 2015*

**math**

P(red, blue) = 6/20 * 2/19 = 12/380 =3/95 P(blue, Yellow) = 2/20 * 3/19 = 6/380 = 3/190 I only checked two, but if you did the same process and your math is correct, they should all be right.
*January 13, 2015*

**Math**

20/12 = x/8 Solve for x.
*January 13, 2015*

**Math**

E = 2H - 13 E + H = 23 Substitute 2H-13 for E in the second equation and solve for H. Put that value in the first equation and solve for E. Subtract H from E.
*January 13, 2015*

**math**

The probability of any color = 1/6. A. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. B. Either-or probabilities are found by adding the individual probabilities.
*January 13, 2015*

**algebra**

Add 8x to both sides of first equation. y = 18 + 8x 9x + 13y = 8 Substitute 18+8x for y in the second equation and solve for x. Insert that value into the first equation to solve for y. Check by putting both values into the second equation.
*January 13, 2015*

**Math**

Online "^" is used to indicate an exponent, e.g., x^2 = x squared. Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 1. YES. 2*6^2 - 26/2 = 59 2. NO. 1/3(x-9) = 2x - 7 Multiply both sides by 3. x - 9 = 6x -...
*January 13, 2015*