# Posts by courtney

Total # Posts: 802

**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 don't even know where to begin with this Q.

**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...

**geometry**

How do you find the slope-intercept form for 3y+2x+12=0?

**6th grade**

1-5/8

**math**

oops spelling error

**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

**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

**math.**

-0.2x<-12 -0.2/-0.2 to get x alone then -12/-0.2=-60 so x=-60

**math**

yes

**Math 8th grade algerbra**

is the answer 27?

**Math 8th grade algerbra**

Thank you

**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?

**Language Arts 8th grade**

Thank you

**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!

**language arts**

what is the affix element for the word synonym and what is the affix meaning

**math: calculus**

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

**Math PIZZAZZ**

@Ryan yea it is Halo...

**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 ...

**music**

ok thanks ill go get the lyrics from sandy now

**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 ...

**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 ...

**music**

What is the meaning of the song maria from west side story? What is the meaning of the song sandy from grease

**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?

**math**

Well 3/3 = 1. So how would you simplify 4 + 1?

**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 ...

**math**

400 centimeters per meter?

**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

**algebra**

48 dollors because 3/4=x/64 then you cross multiplly

**algebra**

that they are equivalent

**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

**3 Grade**

u add 15 and 12

**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?

**math**

Yay! Thank you!

**math**

would it be 48

**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

**5th grade**

there is 36 inches in each yard so 36 times 15 equals 540 inches

**math**

oh thank you both i get it now

**math**

i got x=13.4 i am not sure if this is right

**math**

how do i find the x value if (3x-5)+2x=90

**math**

so would r=-3

**math**

-v+5+6v=1+5v+3 how would i get the value of v

**math**

-(x-10)=7 what dose x equal

**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

**math**

y/y-2 minus 1= 1/y-3

**math**

How do you simplify 3x/5y+1/7

**math**

How do you simplify: a/b^2+a^3/b^3-1/b

**physics**

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

**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...

**analogies**

centimeter

**math**

thanks but how did you come up with that?

**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 don't think that is correct. help please?

**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 ...

**Math**

2g-tm=5m-gh (solve for m)

**5th grade**

What do parentheses mean in Math?

**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 DON'T KNOW HOW TO SOLVE THIS PROBLEM CAN SOME ONE HELP ME???

**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 ??

**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

**calculus**

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

**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.

**English**

Why is silent reading good for children during class?

**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?

**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:

**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...

**geography**

Thank You Ms. Sue!!!

**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.

**Algebra**

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

**physics**

2.69 feet

**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...

**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)

**geometry**

Suppose that AC=15 and BC=9. What is AB?

**Geography**

Yeah but they wernt right, thank you though.

**Geography**

I wasn't to sure what Paraguay was, but thank you for your help.

**Geography**

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

**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 ...

**Geography**

Well Kaila said it was political but that has to do with something else right?

**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.

**Geography**

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

**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...

**Geography**

Two examples of geo-politics using knowledge on Latin America.

**work**

Your school subject would be math

**English**

The all look good!!

**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 ...

**Geography**

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

**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 ...

**home work**

You should title what subject it is in the school subject box so people know what it pretains to

**phy**

27 seconds

**social studies**

what does region mean

**5th grade Math**

what number is 10,000 less than 337,676

**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

**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?

**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

**spanish**

Caundo estas muy cansado por las mananas, que haces?

**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

**Maath**

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

**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

**Maath**

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

**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...

**9th grade**

The answer is False

**writing sentences and paragraphs**

ASSIGNMENT: Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect match ...

**writing sentences and paragraph assignment**

okay so i did some editing ...is this something I could submit?? Paragraph 1 My medical history is the main reason I am applying for the Medical Transcriptionist job at Lancaster Otolaryngology. My ENT discovered an unknown growth in my maxillary sinus and had it removed. It ...