Friday

November 27, 2015
Total # Posts: 699

**STATISTICS HELP PLEASE!**

suppose you wish to estimate a population mean based on a random sample of n observations, and prior experience suggests that sd=12.7. if you wish to estimate the mean correct to within 1.6, with probability equal to .95, how many observations should be included in your sample?
*November 15, 2010*

**Forensics **

What is a follicular tag and how can it be used to implicated a suspect of a crime?
*November 14, 2010*

**Math (hard)**

Postcard stamps are 20 cents each, while letter stamps are 33 cents each. If you have 50 stamps worth $12.60, how many of each type do you have? I dont even know where to begin with this Q.
*November 13, 2010*

**STATISTICS PLESE HELP!!**

studies indicate that drinking water supplied by some old lead-lined city piping systems may contain harmful levels of lead. an important study of the Boston water supply system showed that the distribution of lead content readings for individual water specimens had a mean and...
*November 8, 2010*

**geometry**

How do you find the slope-intercept form for 3y+2x+12=0?
*November 1, 2010*

**6th grade**

1-5/8
*October 27, 2010*

**math**

oops spelling error
*October 27, 2010*

**math**

add -3/4 to -3/4 to cancel it out then ass -3/4 to -6 so you have 1/4x=-1.5 divide 1/4 by 1/4 to get the x alone then divide -1.5 by 1/4 and whatever that comes out to be equals x
*October 27, 2010*

**6th grade math**

6/6=1 so there is 6 1/6 in one and 3/6=1/2 so there is 3 1/6 in 1/2
*October 27, 2010*

**math.**

-0.2x<-12 -0.2/-0.2 to get x alone then -12/-0.2=-60 so x=-60
*October 27, 2010*

**math**

yes
*October 27, 2010*

**Math 8th grade algerbra**

is the answer 27?
*October 27, 2010*

**Math 8th grade algerbra**

Thank you
*October 27, 2010*

**Math 8th grade algerbra**

a cylinder has a radius of 3cm and a length of 10cm every dimention of the cylinder is multiplied by 3 to form a new cylinder how is the ratio of the volumes related the ratio of corresponding dimensions? how would i do this?
*October 27, 2010*

**Language Arts 8th grade**

Thank you
*October 27, 2010*

**Language Arts 8th grade**

Archaic-that which has ceased to be used except for special purposes as in poetry or church ritual some words like thou are archaic list as many words that you can think of that would be considered archaic. i cant think of anymore please help!
*October 27, 2010*

**language arts**

what is the affix element for the word synonym and what is the affix meaning
*October 27, 2010*

**math: calculus**

Having a problem with this one... if f(x)=f, then find f(7)
*October 26, 2010*

**Math PIZZAZZ**

@Ryan yea it is Halo...
*October 25, 2010*

**music**

stranded at the drive in branded by a fool what will they say? monday at school? sandy cant you see im in misary we made a start now were apart theres nothing left for me love has flown all alone i sit and wonder why oh why you left me oh sandy oh sandy baby someday when ...
*October 24, 2010*

**music**

ok thanks ill go get the lyrics from sandy now
*October 24, 2010*

**music**

can be (repeats maria again) say it loud and theres music playing say it soft and ita alomst like praying maria ill never stop saying maria (repeat maria) say it loud and theres music playing say it soft and its almost like praying maria ill never stop saying maria the most ...
*October 24, 2010*

**music**

ok maria- maria.... the most beautiful song i have ever heard (repeats maria a bunch of times) all of the beatuifil sounds in the world in a single word (repeats maria again a bunch of times) i just met a girl named maria and suddenly that name will never be the same to me ...
*October 24, 2010*

**music**

What is the meaning of the song maria from west side story? What is the meaning of the song sandy from grease
*October 24, 2010*

**MATH**

If you add your two angles together they should equal 90. That is what a complement is. So if you have a 65 degree angle, what can you add to 65 to equal 90?
*October 21, 2010*

**math**

Well 3/3 = 1. So how would you simplify 4 + 1?
*October 21, 2010*

**US History**

1. In the war of 1812 the most effective American Action against British shipping was by: A. US navy frigates B. navies of individual states C. pirates in the Caribbean D. US Navy submarines E. privateering merchantmen 2. The British changed their strategy against the US in ...
*October 21, 2010*

**math**

400 centimeters per meter?
*October 21, 2010*

**math**

a vehicle uses 1 tablespoon of gasoline to drive 125 yard how many miles can the vehicle travel per gallon? a model airplane flies 18 feet in 2 seconds what is the planes speed per miles an hour? how do i do these
*October 21, 2010*

**algebra**

48 dollors because 3/4=x/64 then you cross multiplly
*October 21, 2010*

**algebra**

that they are equivalent
*October 21, 2010*

**math**

a model airplane flies 18 feet in 2 seconds what is the airplanes speed in miles per hour round you answer to the nearest hundredth how would i do this
*October 21, 2010*

**3 Grade**

u add 15 and 12
*October 21, 2010*

**math**

the ratio of hydrogen atom to oxygen atoms in water is 2:1 if an amount of water contains 341 trillion atoms of oxygen how many hydrogen atoms are there? how would i do this?
*October 21, 2010*

**math**

Yay! Thank you!
*October 21, 2010*

**math**

would it be 48
*October 21, 2010*

**math**

The ratio of the sales price of a jacket to the original price is 3:4. the original price is $64. what is the sale price? how do i figure this out
*October 21, 2010*

**5th grade**

there is 36 inches in each yard so 36 times 15 equals 540 inches
*October 20, 2010*

**math **

oh thank you both i get it now
*October 20, 2010*

**math **

i got x=13.4 i am not sure if this is right
*October 20, 2010*

**math **

how do i find the x value if (3x-5)+2x=90
*October 20, 2010*

**math**

so would r=-3
*October 20, 2010*

**math **

-v+5+6v=1+5v+3 how would i get the value of v
*October 20, 2010*

**math**

-(x-10)=7 what dose x equal
*October 20, 2010*

**math**

you multiply 15 by 5 you will get x=75 to check your work you plug it into the equation it will show that 75/5=15
*October 20, 2010*

**math**

y/y-2 minus 1= 1/y-3
*October 20, 2010*

**math**

How do you simplify 3x/5y+1/7
*October 18, 2010*

**math**

How do you simplify: a/b^2+a^3/b^3-1/b
*October 18, 2010*

**physics**

oops, sorry, meant to say incorrect accelerations. thanks again in advance for your time and effort
*October 17, 2010*

**physics**

the coefficient of starting friction for wood on wood is 0.55. What is the force of friction of a wood block of mass 3.5 kg being pulled on a wood floor? i think i use the formula F=mMA where F is the force needed to move a solid from rest, m=coefficient of friction, M=mass of...
*October 17, 2010*

**analogies**

centimeter
*October 6, 2010*

**math**

thanks but how did you come up with that?
*October 6, 2010*

**math**

a model of a bridge is 1 meter long and is 2.5% of the actual size of the bridge. How long is the actual bridge? i tired to do 1 x 2.5% but its 2.5 so i dont think that is correct. help please?
*October 6, 2010*

**Algebra1**

n should be -7 i think. first, you decide which side (of the equal sign) you want to be Variable (n) and which side you want to be whole numbers (like 1) then you change the - to a + and make the (-1n) a +1n. if you want the side with the n to be Variable you want to take off ...
*October 6, 2010*

**Math**

2g-tm=5m-gh (solve for m)
*October 5, 2010*

**5th grade**

What do parentheses mean in Math?
*September 29, 2010*

**MATH FINANCE**

Find the monthly payments for an ordinary annuity that will yield a future value of $80000 at 9 1/2% interest for 38 years. I DONT KNOW HOW TO SOLVE THIS PROBLEM CAN SOME ONE HELP ME???
*September 29, 2010*

**MATH FINANCE**

Mr. Smith wants to save for his son’s college education. If he deposits $300 each month at 12% compounded monthly, how much (to the nearest penny) will he have in the account after 8 years? Answer = $ HOW DO I SOLVE THIS ??
*September 29, 2010*

**Chemistry**

are these items belowed classified as a heterogeneous mixture, a solution, a compound or and element? chalk clear spring water oxygen tomato soup pencil ice and soda sterling silver iron
*September 28, 2010*

**calculus**

11,406.14=(438.3/r)(1+r)^10 how do you solve for r?
*September 28, 2010*

**chemistry**

determine the specific heat of a material if a 35.0 g sample absorbed 48.0 J as it was heated from 20 Celsius to 40 Celsius.
*September 27, 2010*

**English**

Why is silent reading good for children during class?
*September 26, 2010*

**Math**

An artist wishes to frame a picture with 84 inches of framing material. How wide will the frame be if its width if 75% of its length?
*September 24, 2010*

**Marketing**

Select a product or service that you would like to introduce to the marketplace. It may be a product or service from an existing company or a new concept. · Prepare a 1750-2100 word Marketing Plan for your selected product/service. Include the following elements:
*September 22, 2010*

**Geography**

What does this mean. It's one of the reasons civilization may clash. I don't understand it. Thank you. The interactions between peoples of different civilizations are increasing because these increasing interactions intensify civilization-consciousness and awareness of...
*September 22, 2010*

**geography**

Thank You Ms. Sue!!!
*September 22, 2010*

**geography**

What is meant by the term the clash of civilizations? There is so much about this topic when u google search it. What is a brief overview about it.
*September 22, 2010*

**Algebra**

72+24x=288? What to do with the plus sign after I subract 24 from each side?
*September 21, 2010*

**physics**

2.69 feet
*September 21, 2010*

** World Geography **

Which statements describe the geographic theme of regions? a. Different types of regions have little or no effect upon each other. b. Climate regions are defined by their average temperature and their political system. c. Physical regions can be formed by mountains and oceans...
*September 16, 2010*

**Math**

Write an equation of the line satisfying the given conditions in standard form. How do you do this? contains (-4, 0.3) and (3, -3.4)
*September 15, 2010*

**geometry**

Suppose that AC=15 and BC=9. What is AB?
*September 15, 2010*

**Geography**

Yeah but they wernt right, thank you though.
*September 9, 2010*

**Geography**

I wasnt to sure what Paraguay was, but thank you for your help.
*September 9, 2010*

**Geography**

For the 1st one i put physical, for the 2nd i thought climate and the 3rd i thought cultrual
*September 9, 2010*

**Geography**

1. The statement, "Paraguay is one of two landlocked South American nations" describes what type of region? a.cultural b.economic c.physical d.political 2. The statement, "Farmers in this area benefit from a long growing season" describes what type of ...
*September 9, 2010*

**Geography**

Well Kaila said it was political but that has to do with something else right?
*September 9, 2010*

**Geography**

A prime minister is the leader of what type of region? climate cultural economic political I thought it was a nation but its not a answer choice.
*September 9, 2010*

**Geography**

The defintion that I was given for geo-politics sates: the relationship between a country's geographic characteristics and conflict with other nations.
*September 7, 2010*

**Geography**

Is this an example of geo-politics. How would I summarize this because their is so many main points? Countries like Argentina, Chile, Australia, New Zealand, and South Africa can enjoy thriving export sectors in fruit, wine, cereals, oils, and salmon thanks to the technologies...
*September 7, 2010*

**Geography**

Two examples of geo-politics using knowledge on Latin America.
*September 6, 2010*

**work**

Your school subject would be math
*September 5, 2010*

**English**

The all look good!!
*September 5, 2010*

**Geography**

Thank you. Last question what does this mean they use words that not many 8th graders understand and haven't learned yet. For countries like Chile, which don't have substantial gas reserves, big dams are also seen as a way to avoid dependence on volatile international ...
*September 5, 2010*

**Geography**

To provide electricity to homes. But I don't know what else to put because it has to be a few sentences.
*September 5, 2010*

**Geography**

Does this article relate to latin america geography? Brazil government gives go-ahead for huge Amazon dam. What's the significance of this article? Brazil's government has given the formal go-ahead for the building on a tributary of the Amazon of the world's third ...
*September 5, 2010*

**home work**

You should title what subject it is in the school subject box so people know what it pretains to
*September 5, 2010*

**phy**

27 seconds
*September 3, 2010*

**social studies**

what does region mean
*August 30, 2010*

**5th grade Math**

what number is 10,000 less than 337,676
*August 25, 2010*

**Maath**

Solve the equation for the indicated variable. 4x-3a-(10x+7a)=0 solve for x This is all I know how to do & don't know if it's even right. 4x-3a-(10x+7a)=0 solve for x 4x-3a-10x-7a=0 -6x-10a=0
*August 24, 2010*

**Maath**

this is the steps: 20r-15c-14r+18c=0 6r+3c=0 so for my final answer I got r=c/2 is that correct?
*August 24, 2010*

**Maath**

5(4r-3c)-2(7r-9c)=0 solve for r This is all I know how to do and don't know if it's even right. Or what to do from here. 5(4r-3c)-2(7r-9c)=0 solve for r 20r-15c-14r-11c=0 6r-26c=0
*August 24, 2010*

**spanish**

Caundo estas muy cansado por las mananas, que haces?
*August 23, 2010*

**Maath**

This is all I know how to do and don't know if it's even right. 5(4r-3c)-2(7r-9c)=0 solve for r 20r-15c-14r-11c=0 6r-26c=0
*August 23, 2010*

**Maath**

Solve the equation for the indicated variable. 5(4r-3c)-2(7r-9c)=0 solve for r
*August 23, 2010*

**Maath**

This is all I know how to do & don't know if it's even right. 4x-3a-(10x+7a)=0 solve for x 4x-3a-10x-7a=0 -6x-10a=0
*August 23, 2010*

**Maath**

Solve the equation for the indicated variable. 4x-3a-(10x+7a)=0 solve for x
*August 23, 2010*

**algebra**

Which of the following is not a step used when graphing the equation y = −x + 8 using the slope-intercept method? Explain the correct order of steps needed to graph this equation, using the slope-intercept method. Plot the x-intercept (32, 0). Plot the y-intercept (0, 8...
*August 18, 2010*

**9th grade**

The answer is False
*August 6, 2010*