Monday

March 30, 2015

March 30, 2015

Total # Posts: 180

**Chemistry **

For the substance SO2F2(g), ΔHºf = -858 kJ mol-1 and the S-F bond, 308.0 kJ mol-1 Determine the average S=O bond energy in SO2F2 in units of kJ. Is my answer right, if so how do I convert this to kJ? x= S=O bond -858= 2(308) + 2(x) -737kJ/mol
*March 29, 2015*

**Florida studies weekly**

How did people write letters before the typewriter was invented?
*March 12, 2015*

**physics**

A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can you give me a formula...
*September 26, 2014*

**english**

Speech
*May 5, 2014*

**statistics**

For each combination of sample size and sample proportion, find the margin of error for the 95% confidence level. (a) n=100 and p-hat=.56 (b) n=400 and p-hat=.56
*April 2, 2014*

**statistics**

An experiment was conducted to determine the abrasion resistance of a new type of automobile paint. Twelve different strips of metal were painted with the new paint. The abrasion resistance of each piece was then tested on a machine. In the sample, the abrasion resistance ...
*April 2, 2014*

**Math**

For what constant value a is the following function continuous at x= -10 ? f(x)= (1/x+1/10)/(x+10) when x is not -10 f(x)= a when x= -10
*September 15, 2013*

**math**

name the lengths of the sides os three rectangles with the perimeters of 12 units. Use only hole numbers
*April 17, 2013*

**math**

all 4 interior angles of a parallelogram which is not a rectangle are bisected.What shape is always enclosed by the 4 bisectors
*February 10, 2013*

**business**

consider a four year project with the following information: initial fixed asset investment=420,000;staright-line depriciation to zero over the four year life; zero salavage value; price=25; variable cost=16; fixed cost=180,000; quantity sold=75,000 units; tax rate= 34 percent...
*December 2, 2012*

**Correct**

Yes Mrs. Sue you are correct. Nice job guys! :)
*October 25, 2012*

**business**

You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is 13 percent and the inflation rate is 5.1 percent. What real amount must you deposit each year to achieve your goal?
*October 13, 2012*

**business**

You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is 13 percent and the inflation rate is 5.1 percent. What real amount must you deposit each year to achieve your goal?
*October 13, 2012*

**phy**

A stone is thrown upward from the edge of a cliff overlooking the ocean. The initial speed of the stone is 20m/s, and it's thrown up at an angel of 30 degrees with respect to the horizontal. the cliff is 45m above the ocean surface. How long is the stone in flight before ...
*October 12, 2012*

**physics**

a) a car does an emergency stop from 120000m/s in 3s. what was it's deceleration? b) what was the car's average velocity and what was the stopping distance? thank you
*September 19, 2012*

**maths**

whhat is the quadratic formula?
*September 19, 2012*

**phyics**

find the acceleration if the velocity changes from: a) 2m/s to 4m/s in 4s b) 5m/s to 10m/s in 2s c) 100m/s to 120m/s in 5s d) 86m/s to 94m/s in 4s e) 21m/s to 35m/s in 18s thank you!
*September 19, 2012*

**math plz help**

a student earns 3 doller per hour baby sitting if she earned a total of 28.50 how many hours did she baby sit
*February 17, 2012*

**Science**

unscramble the letters rorpsfgnloadeeasi to make a phrase
*December 6, 2011*

**Algebra**

The area of a of trinagle with b and h is a=1/2bh find the area when b=30 and h =38 m
*November 25, 2011*

**medical terminology**

You are asked by the CEO of your hospital to contribute to the annual report. She wants you to write a five-page paper generally describing each of the ten departments in your hospital (Dermatology, Oncology, Gastroenterology, Pulmonary, Cardiology, Endocrinology, Obstetrics ...
*November 12, 2011*

**chemistry**

the combustionof 1.0g of gasoline realises 11kcal of heat (Density of gasoline=0.74g/ml) a)how many megajoules are realised when 1.0 gallon of gasoline burns? b)when a color TV is on for 2 hours 300KJ are used. How long can a color TV runon the energy from 1.0 gallon of ...
*September 26, 2011*

**chemistry**

You diluted a bacterial culture 106, plated out 200 µL and found 38 colonies on the plate. How many bacteria/mL were in the original undiluted culture?
*September 13, 2011*

**chemistry**

You add a pint of STP gas treatment to a 10 gallon fuel tank, and half fill the tank with gas. What is the dilution factor? (Hint: there are 8 pints/gallon)
*September 13, 2011*

**CALC**

f(x)= −10.4sin(3x)+8.5cos(3x) find max and min on interval ( -0.81, 1.27 )
*April 2, 2011*

**calculus**

i am confused by the bracket.. there is only 1 bracket
*February 25, 2011*

**calculus**

yes, i understand that part but i do not know how to actually solve the problem
*February 25, 2011*

**calculus**

e^(8x^4)
*February 25, 2011*

**calculus**

exp is euler's constant around 2.718.......
*February 25, 2011*

**calculus**

Derivative of: (exp(8x^4))(5x^3+9)^3 ___________________________ (divided by) (22x^2+4x-20)^2
*February 25, 2011*

**third grade hw help**

My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!
*January 19, 2011*

**Economic**

calculate 250000-375p=15000+212.5p
*November 7, 2010*

**MATH**

The volume V of a gas varies inversely as pressure P is exerted. If V = 4 liters when P = 3 atmospheres, find V when P = 7 atmospheres. Note: Round your answer to the nearest hundredth
*October 12, 2010*

**Geometry**

ok thnx
*September 16, 2010*

**Geometry**

If M is midpoint of line BK, BM = 5x + 9, MK = 3x + 33 then what does x equal. What does BK equal.
*September 16, 2010*

**latin**

Transaltion from Latin to English: Aeneas, dum ex urbe effugit, senem portat. Senex est Anchises, pater Aeneae. Portare Anchisen necesse est quod senex ambulare non potest. Aeneas Anchisen portat; portat Anchisen Penates, deos familiares. Dei Aenean et Anchisen et omnes amicos...
*July 14, 2010*

**medical Terminology **

show a template on how to write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment parameters. All terms must be ...
*July 14, 2010*

**math**

4a -a = A)4 B)3-a C)5a D)4a to the 2 power E) none
*March 23, 2010*

**math**

sorry my name was wrong nicky
*March 23, 2010*

**math**

(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i dont know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these what do i do
*March 23, 2010*

**math**

(1/10 \ 1/2) * 3 + 1/5 for 1/10 \ 1/2 i got 1/5 but i dont know what to do with the rest 1/5 * 3 + 1/2= F)4/5 G)4/15 H)16/25 J)3 2/5 K)none of these
*March 23, 2010*

**math **

25% thanks
*March 23, 2010*

**math **

what percent of 12 is 3? i got 0.36% is that the same as 36%
*March 23, 2010*

**math**

49 so it would be E as in none right
*March 23, 2010*

**math**

70% of 70 is A)1 B)10 C)1000 D)100 E)none i got 100
*March 23, 2010*

**math**

2 8\2 ____ 2
*March 23, 2010*

**math**

5 over 9 + 4 over 9 + 2 over 9 = i got 1 and 3 over 9
*March 23, 2010*

**math**

no its a Fraction 11 over 27
*March 23, 2010*

**math**

5 4 2 - + - + - 9 9 9 F) 11 -- 27 G) 2 1 - 9 H) 1 1 - 9 j) 2 - 9 K)none of these i got 11 3 -- or 1 - 9 9
*March 23, 2010*

**math**

25 so its a is it that easy,thanks
*March 23, 2010*

**math**

13+[22-(7+3)] i got 16 A)25 B)21 C)31 D)47 E)none of these
*March 23, 2010*

**language mechanics**

what Writeacher suggested i dont know what you mean by that
*March 23, 2010*

**MATHS**

I am less than 500. I am divisible by 11 and 5. I have three digits. The sum of my digits is 14
*March 21, 2010*

**sicence**

Select all of the answers that apply. A map _____. 1)is a representation of the earth's surface 2)is a portable document describing an area 3)can provide data such as migration trends, directions, and rock composition 4)provides all of the information about a location
*March 18, 2010*

**Geography**

What impact did the dissolution of the Union of Soviet Socialist Republics have? A)affected nations throughout the world B)decreased conflict in eastern Europe C)increased communism throughout the world D)none its B right
*March 10, 2010*

**geography**

thanks again haha
*March 10, 2010*

**geography**

so it would be C then right
*March 10, 2010*

**geography**

no.right
*March 10, 2010*

**geography**

Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i think its A or C am i right
*March 10, 2010*

**geography**

thank you this is not like my english class i kind of know this but thanks a lot
*March 10, 2010*

**geography**

Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service industries will close...
*March 10, 2010*

**geography**

lol thanks i was wondering that,i was almost sure that it was
*March 10, 2010*

**geography**

Culture is seldom a factor in world conflict. A)True B)False i think its false
*March 10, 2010*

**Geography **

what a bout 4
*March 10, 2010*

**Geography **

Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA. What are effects that the closing of New Development is likely to have on Nowhere? 1)Service industries will close...
*March 10, 2010*

**geography**

so its a that what i was thinken thanks
*March 10, 2010*

**geography**

Members of which economic alliance can live, work, even vote in any member nation? A)NAFTA B)OAU C)EU D)ASEAN i really dont know this one maybe a but im very unsure
*March 10, 2010*

**Geography **

I'm guessing country.that's all it gives me
*March 10, 2010*

**Geography **

Which statement is not a benefit of increased development? A)improved access to health care B)increased wealth C)more even distribution of resources D)reduced unemployment i think i might be (B) beacuse it is not benefit the increased development.
*March 10, 2010*

**geography**

thanks a lot
*March 10, 2010*

**geography**

thanks an what about 4
*March 10, 2010*

**geography**

i think it might 2 an 3 and maybe 6 as well because cultural influences has tradshon
*March 10, 2010*

**geography**

Which statements describe cultural influences? 1)Florida is bordered by water on three sides. 2)French is spoken in parts of Louisiana. 3)Forests are cleared to provide space for cattle grazing. 4)Male children are encouraged to attend the university. 5)The longest river on ...
*March 10, 2010*

**geography**

can you tell me what cultural influences? means
*March 10, 2010*

**English **

i did i wrote it all down
*March 8, 2010*

**English **

no but i cant see any other
*March 8, 2010*

**English **

the?
*March 8, 2010*

**English **

(in 1647) (by law) b ut i need four
*March 8, 2010*

**English **

Type the prepositional phrases in the boxes. In 1647 the first tax-supported schools were established by law in the United States. i think it (tax-supported)(by law)in the (united states)
*March 8, 2010*

**English**

Type the prepositional phrases in the boxes. Kentucky bluegrass was brought to America from Europe. ____?____ _____?_____ i put (to) and (from) then i put (from) (europe)
*March 8, 2010*

**English **

thank you both for the help
*March 8, 2010*

**English **

thanks
*March 8, 2010*

**English **

thanks can you please tell me how you came up with that
*March 8, 2010*

**English **

Type the prepositional phrase in the box. The Grand Canyon is in Arizona. i put (in) an i got it wroung and then i put (the) and got that wroung THEN i put (is in)
*March 8, 2010*

**math**

ok thanks i guess
*March 8, 2010*

**math**

too tell you the turth i have no idea i just got put in this new home schooled so do you mind making a other example an explaining that one to me please if you woulnd not mind
*March 8, 2010*

**math**

Simplify the given equation. 17x - 6 + 3x - 5 = x + 11 + 4x A)20x - 11 = 5x + 11 B)20x + 1 = 5x + 11 C)9x = 16x
*March 8, 2010*

**math**

What is the solution set of the given equation? 4y - 6y + 9y = -2 A){-2/11} B){-2/7} C){2/7} D){2/11}
*March 8, 2010*

**sicence**

its a random home school test.so i can get in
*March 8, 2010*

**sicence**

Almost all maps have these four things: A)scale, legend, title, and compass B)rock units, legend, symbols, and scales C)contour lines, scale, legend, and compass D)rock types, legend, compass, and scale
*March 8, 2010*

**math**

i dont know thats why i ASKED
*March 5, 2010*

**math**

Solve for x. 5x - 6 = 4x + 8 A)x = -14 B)x = -2 C)x = 2 D)x = 14
*March 5, 2010*

**MATH**

Which of the following equations has the given solution set? Solution set: Ø A)-2m + 5 = 2m + 5 B)-2m + 5 = -2m + 5 C)-2m + 5 = -2m - 5 D)none
*March 5, 2010*

**Math**

thanks
*March 5, 2010*

**math**

Which of the following would eliminate the variable on the left side of the given equation? 36 - 19w = -6w + 41 A)add -19w B)add 6w C)add 19w D)add -36
*February 25, 2010*

**chemistry**

A dead alkaline battery is found to contain a compound of Mn and O. It's analysis gives 69.6% Mn and 30.4% O
*February 1, 2010*

**2nd grade**

Rule contains letters with straight lines.
*January 27, 2010*

**psychology**

Cannon-Bard view emotion as more than a response to physiological arousal. They suggest that... 1) the hippocampus and the spinal nerve produce emotion 2) both the cortex and the autonomic nervous system respond to the stimulus 3) emotion is the work of higher brain levels ...
*December 20, 2009*

**math**

f=x^2*y g=xyz find fg^2
*December 6, 2009*

**AP Chemistry**

When finding empirical formula of a compound, why do you have to convert the elements into moles, as opposed to using a mass:mass ratio?
*November 16, 2009*