# Posts by Maria

Total # Posts: 1,980

**Physics**

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.70 m/s at an angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. (Ignore air resistance.) (a) How far horizontally from the base of the building does ...

*October 13, 2009*

**Physics**

A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.70 m/s at an angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. (a) How far horizontally from the base of the building does the ball strike the ...

*October 12, 2009*

**us history**

what happenned to the people of the south as the result of the plsse v furgson?

*October 1, 2009*

**us history**

how Jim Crows laws undermined the 13th 14th and 15th amendments

*October 1, 2009*

**physics**

How far to the nearest meter can a sprinter running at 9 m/s, travel in the time it takes a rock to fall 28 meters

*September 27, 2009*

**math**

the answer is just a guess...im guessing 4,190

*September 22, 2009*

**BIOLOGY**

PLEASE HELP ME! THANK YOU! The table shows the percentage of the body composed of water for various vertebrates. ANIMAL % OF BODY COMPOSED OF WATER herring 67 Frog 78 Chicken 74 Kangaroo rat 65 A)Which animal would you expect to have the most concentrated urine and why? B)The ...

*September 16, 2009*

**latin**

why did julius caesar say iacta alea est?

*September 16, 2009*

**3rd grade**

hhyryeg rhev wwjrwh tthe4jt

*September 9, 2009*

**Alegebra 1**

Urn A has balls numbered 1 through 7. Urn B has balls numbered 1 through 5. A ball is selected at random from urn A and then a ball is selected at random from urn B. What is the probability that a 4 is drawn from A followed by a 2 from B?

*September 8, 2009*

**Math (pls help)**

198 in expanded notation

*September 5, 2009*

**Math 117**

A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 10 more of the twenties. The total value of the money is $850. Find the number of five-dollar bills that the teller has?

*September 3, 2009*

**7th grade math**

write a rate that can be calculated from the information. There are 40 cars parked in the 6 rows of that parking lot

*September 2, 2009*

**5th grade**

idk my little cousin has this ? on his hw

*August 26, 2009*

**5th grade**

what is the opposite of a compass

*August 26, 2009*

**Spanish**

building old ill/sick hot tiered there teacher

*August 26, 2009*

**biology**

describe a biological system

*August 25, 2009*

**MATH 157**

ok thank you that is all i needed to know i will then post what I got and please let me kow if I got it correct.

*August 18, 2009*

**MATH 157**

A spherical tree ornament is to be painted in bright colors. If the ornament has a diameter of 4 cm, how much paint is needed?

*August 18, 2009*

**Mathematics**

Convert --→ 4.2 g = ______ kg.

*August 14, 2009*

**Basic Math**

I'm really stuck in this question can someone please help me out in this one. Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond?

*August 9, 2009*

**Alegebra**

Marth this are my choices A) 0.9893 B) 0.0107 C) 0.4893 D) 0.5107 So I'm assuming it's letter B? correct

*August 8, 2009*

**geometry**

the product of two positive numbers is greater than either number.

*August 6, 2009*

**algebra**

ok thanks

*July 27, 2009*

**algebra**

simplify radical a little 3 in front of sqrt-27 is it -3

*July 27, 2009*

**algebra**

Simplify expression. Assume all variables represent nonzero real numbers. ( (3y^2)/2)^3 I started to reduce but it did not look right.

*July 26, 2009*

**algebra**

solve by factoring a^2 -121 = 0 (a-11)(a-11) is this correct?

*July 26, 2009*

**algebra**

Simplify the expression. Assume all variables represent nonzero real numbers (x^5)^-10

*July 26, 2009*

**algebra**

Solve by factoring x^2 -2x -24=0

*July 26, 2009*

**Algebra**

Reduce the rational expression to lowest terms 3x^2-9x+6/10-5x

*July 26, 2009*

**algebra**

Solve by factoring a^2 -121 = 0

*July 24, 2009*

**algebra**

Solve by factoring x^2 -2x -24=0

*July 24, 2009*

**chemistry**

balance this stoichiometric equation: SO2 + CaCO3 + O2 ------> CaSO4 + CO2

*July 22, 2009*

**logic and set theory**

yes, sorry those are supposed to be lower case.

*July 21, 2009*

**logic and set theory**

write this symbolic statement in words: ~P<-->~Q

*July 21, 2009*

**math**

$9 per hour, but now she makes 150% of that amount.

*July 15, 2009*

**Algebra**

solve the equation x/3 = 4/x+1

*July 13, 2009*

**algebra**

what is the negative reciprocal of -7/3

*July 13, 2009*

**algebra**

Solve the equation -3/x = x/-3

*July 13, 2009*

**chemistry**

how many carbon particles are there in 4.25 mole of C6 H12 O6? i do not get how to solve this. my teacher said something about conversion factors but i still don't understand how u isolate the carbon from the whole compound. can someone please explain how to get to this, ...

*July 10, 2009*

**logic and set theory**

... oh, thank you for that clarification =D

*July 7, 2009*

**logic and set theory**

describe the venn diagram for two disjoint sets. how does this diagram illustrate that the sets have no common elements? ... im a bit confused, because to me, if the sets are disjoint and hence nothing is in common, it wouldnt be a venn diagram in the first place because you ...

*July 7, 2009*

**math**

7 HOOURS AND 45 MIN

*June 21, 2009*

**college**

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 for a job ...

*June 10, 2009*

**math**

EGRTG

*June 5, 2009*

**Psychology/270**

Willard assumes that if he does not assert himself first, he will appear to be a failure

*May 13, 2009*

**Social Studies**

Will products that are important to us and that have no close substitutes have elastic or inelastic demand? Is the answer inelastic??

*April 29, 2009*

**Social Studies**

How do we show on a demand curve an increase in the demand for a good? Could anyone help me.

*April 28, 2009*

**geometry**

find the measure of <4 and round your answer to the nearest tenth

*April 13, 2009*

**Geometry**

find the measure of <2

*April 13, 2009*

**math/pattern**

3,4,7,11,18,29,

*April 9, 2009*

**health management**

Can someone please look this synopsis over for errors. Comparing Electronically Medical Records Companies: Athenahealth is an (EMR) company with many benefits, and special features such as, speech recognition, making it easier for note taking and transcribing medical reports, ...

*April 2, 2009*

**literacy**

I think it really depends on what format you are using APA, MLA, etc. As a general rule, the first word is ALWAYS capitalized and all of the important words are capitalized...words such as or, of, in, and stay lower-cased.

*March 31, 2009*

**Math**

What about the x?

*March 31, 2009*

**Math**

x-sqrt(2x+1) = 7 My answer: same as: x - 7 = sqrt(2x+1) ==> x^2 - 14x + 49 = 2x+1 ==> x^2 - 16x + 48 = 0 split this up into: (x - 12) * ( x - 4 ) = 0 so, x can technically be 12 or 4 12 - sqrt(24+1) does = 7 x=12

*March 31, 2009*

**Adv. Math.**

Describe how the graph of y= abs(x-2) is related to the parent graph? My answer: The graph is shifted 2 units to the right (or in the positive direction) in comparison to the parent graph.

*March 31, 2009*

**3rd grade, social studies**

had do i use communism in a sentence?

*March 24, 2009*

**Medical information management and office practice**

please check my answers. penn foster exercise 6 questions cms-1500 1.title in heading section? designated insurance co 2.location of title? right hand side top of blocks 3. cms-1500 form number? 4. location of cms-1500 top left side 5. spacing type of form? normal spacing for ...

*March 17, 2009*

**Medical information**

CMS-1500 forms Where does the title go? Location of the CMS-1500 form #? Date of CMS approval? Date of AMA approval?

*March 17, 2009*

**Health information Management and office Practice**

Regarding forms CMS-1500 1. What is the title in Heading section? 2. What is the CMS-1500 form number? 3.What is the spacing type of this form?

*March 14, 2009*

**geography**

What is the largest inlet in the United States?

*March 5, 2009*

**gilbert**

1.find the value of X. Simply answers that are radicals. hypotenuse is 10 sides (legs) are 6 and x. the total base is 12. 2. Find the area of the figure. Round decimal answers to the nearest tenth. sides of the triangle is 8 cm and total base is 7 cm

*February 24, 2009*

**algebra**

a0= (5m)0=

*February 19, 2009*

**algebra**

how to simplify these expressions using positives exponents to express the final result 6-3= 5XO= (2x)-1=

*February 19, 2009*

**science**

The switch used to turn on completes the circuit so electricity can flow through the bulb.

*February 17, 2009*

**11th grade**

x/12=5/3

*February 13, 2009*

**Social studies needs your help!!**

I am in a very tight situation. I am a grade 4 social studies teacher. In my classroom, I have students of mixed ability. Some students are above grade level, some on grade level and some below grade level. The bulk of students is below grade level. What activities or ...

*February 11, 2009*

**english essay**

could some one please proofread this There are many reasons why a person should go to college, aside from receiving a college degree. Many people have their own personal beliefs about why a person should attend college but I will share my own views on why college is important...

*February 10, 2009*

**English**

I think the troblesome is to differntiate whether it is function as an adverbial or as an adjectival a)Having had a good season, they hoped to win the trophy. having had a good season: could be adverbial participial phrase expressing reason ? c)The car parked in the garage is ...

*February 4, 2009*

**Algebra pizzzz**

What should you do if nobody sing with you?

*February 4, 2009*

**science**

what island continent is not within a major volcano area

*February 4, 2009*

**8th Grade Math (Algebra1)**

6-3= 5xO= (2x)-1 simpllify thesepositive exponents

*February 3, 2009*

**grammar**

her family's or families van was confortable. which is the correct possessive form of the noun?

*February 3, 2009*

**5th grade**

i don't now the answer.

*February 3, 2009*

**accounting**

Ok, the case is this. Six months ago, you closed your business. Now, a person has expressed an interest in acquiring the business. The potential buyer requests a current balance sheet, but you provide her with the one that was prepared just prior to closing. 1) Will the ...

*February 2, 2009*

**college**

(2y-6)3

*February 1, 2009*

**Algebra**

yes i think it is because you divided right so you mulitply and that's who you got it right

*February 1, 2009*

**Poem:Birthday by M.T Buckley**

what is dis story bout

*January 31, 2009*

**HELP!**

What does these phrases mean? Very confused.This is about Spielberg. 1. He makes movies when marketing controls the industry 2. Mystery offrs promises instead of threat 3. In his best films he tapped into dreams fashioned by our better natures appriciate any help

*January 28, 2009*

**english**

What does these phrases mean? Very confused.This is about Spielberg. 1. He makes movies when marketing controls the industry 2. Mystery offrs promises instead of threat 3. In his best films he tapped into dreams fashioned by our better natures appriciate any help

*January 28, 2009*

**physics**

A bullet with a mass 0.05kg is speeding toward a block of mass 10kg. the bullet is initially moving with a velocity of 200m/s while the block is initially at rest....The bullet collides with the block, sticking inside, and knocks the block horizontally of the edge of a cliff. ...

*January 27, 2009*

**english**

It's ok..I asked for more time. I need to get this done though..

*January 27, 2009*

**english**

Hi, I have an assignement about and ad where you see backstreet boys advertising milk. Got milk ad Here is the assignment, I really need to hand in this lesson in half an hour..so, i'd really appriciate any help and i am very confused. write a response explaining the ...

*January 27, 2009*

**ETH125**

Post a current issue between Native Americans and the Federal government. Identify the legislation that you think is linked to the issue, and explain why you think there is a connection.

*January 24, 2009*

**geometry**

two angles are complementary. if one angle is 10 more than twice the other, what are the angles?

*January 22, 2009*

**english**

Hi, can someone please revise my essay. I'd really appriciate any sugestions. There has been an ongoing controversy in Canada on whether the drinking age should be lowered to eighteen like most of the world (Russia, Argentina, Hong Kong, etc.) or if it should stay at ...

*January 20, 2009*

**english**

ok question: Isn't it strange that an eighteen years old can cross the border from Ottawa to Quebec and drink legally? Shocking statistics: The onlty country that drinking age is strictly nineteen is South Korea. One person's experience: I have proof that eighteen ...

*January 20, 2009*

**english**

I need help rewriting this sentence. There has been an ongoing controversy in Canada on whether the drinking age should be lowered to eighteen like most of the world (Russia, Argentina, Hong Kong, etc.) or if it should stay at nineteen. using this techniques: question shocking...

*January 20, 2009*

**english**

Mr. Walker would like to see you no later than at eight o'clock in the morning. Unfortunately, he didn't say what was bothering him, but he looked very upset.I was wondering, why do you think he is mad at you? And I am not sure what the last 2 senteces mean..

*January 15, 2009*

**english**

Hi..I need to rewrite this passage as formal. Walker wants to see you at eight sharp tomorrow. He didn't say what was hassling him but he looked pretty uptight. Why do you think he's on your case? You didn't skip yesterday did you? You don't think he's on ...

*January 15, 2009*

**algerba**

what is the answer to 5(w-2)=15

*January 11, 2009*

**World History**

Aristotle's role as tutor to the young Alexander the Great was vital because it 1) encouraged Alexander to preserve and spread Greek culture 2) helped perfect his skills as a general

*January 10, 2009*

**History**

It's a multiple choice question and I cannot choose between choice 1 or choice 2.

*January 10, 2009*

**law and ethics**

when the computer service bureau destroys or erases records, should the erasure be verified by thr bureau to the physician?

*January 10, 2009*

**business**

Here is a question on free trade. Country X and Country Z have a free trade agreement. If Country X buys trucks from Country Y and sells the trucks to a car dealer in Country Z, does the buyer need to pay duty on trucks. Why or why not? I think that yes, because good that are ...

*January 7, 2009*

**christmas carols**

down through the chimney with lots of----

*December 18, 2008*

**2nd grade**

Being on time by learning the daily school __ __ __ __ __ule.?

*December 15, 2008*

**7th grade**

Idk this it's so confusing... "Students in the school band are selling calenders.They earn $.40 on each calender they sell.Their goal is more than $327" "Here is the answer given: $.40c<$327 (1) What is wrong with that answer? (2) Solve the inequality and...

*December 14, 2008*

**calculus**

when finding the tangent line to the curve using T(t)= r(t)prime/ /r(t)prime/ and the eq. of the curve being r(t)= (e^t, te^t, te^(t^2)), at point (1,0,0) why does t=o. How is the parameter for t found or calculated?

*December 13, 2008*

**is y2 constant or is dy2 missing or what?**

yeah that's what i thought it was, i guess i am not settin my limits up properly ...but yeah y2 is constant. thanks

*December 5, 2008*