Posts by D

Total # Posts: 439

Precalc
Its #2 which is 3 because you add all the degrees of all the parenthesis and add them up and that's ur answer

Science
Its 133.88 degree Celsius.. Hope it helps :)

Physics
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.87 m by the horizontal 25 N force from the broom and then has a speed of 1.58 m/s...

Algerbra 1
4.50

Chem (but i think its physics)
203lbs= 902.94N 110ft= 33.528m 902.94*33.528*3=90 822J 90822J* 1Calorie/(4184J) = 21.7

Chem (but i think its physics)
Ok so this problem appeared in my online chem homework, but it looks alot more like a physics problem. I have no idea how to do it A 203 lb man eats an order of French Fries consuming 250 Cal of food energy. Afterwards he feels guilty and decides to work off the excess ...

8th grade science
what voltage produces a current of 500 amps with a resistance of 50 ohms?

Calculus
fe

chemistry
Sorry Doc but the satallite is 30 miles above the earth and the question states there and back. please check again.

Chemistry
What is the molality of a solution of sucrose(molar mass=342) dissolved in water that is 25% sucrose by mass?

chemistry
Which of the following properties increase with increasing atomic number for fluorine and chlorine? I. melting point of the elements (yes) II. boiling point of the hydrogen halides i'm not sure about II because HF has the highest boiling point but fluorine and chloride fit...

chemistry
Which of the following properties increase with increasing atomic number for fluorine and chlorine? I. melting point of the elements (yes) II. boiling point of the hydrogen halides i'm not sure about II because HF has the highest boiling point but fluorine and chloride fit...

chemistry
At 100 degrees celsius, the ratio of the average kinetic energy of oxygen molecules, O2, to the average kinetic energy of methane molecules, CH4, is: A) 4:1 B) 1:4 C) 1:2 D) 1:1 I think it's D because the kelvin temperature is the same for both collection of gases, and ...

physics
at what angle with respect to the horizontal should the shot put be launched if the starting height is 2.0m to have the greatest range?

7th grade
1

12th grade
Firm A offer 40,000 salary with $2,000 increase evey year. FIRM B offer 38,500 salary with 5% increse every year. After how many year he will make same money?

Chemistry
Before 1962,dimes minted in the US contained the precious metal silver.A 2.08 gram dime is dissolved in nitric acid and reacted with saturated sodium chloride solution. This process precipitates all the silver in the dime as 342mg of AgCl(s). How many moles of silver did the ...

Chemistry
Before 1962,dimes minted in the US contained the precious metal silver.A 2.08 gram dime is dissolved in nitric acid and reacted with saturated sodium chloride solution. This process precipitates all the silver in the dime as 342mg of AgCl(s). How many moles of silver did the ...

earth
A cold front traveling at an average speed of 35 km/h eastward is 280 km due west of you. Appoximately how long will it be before your location experiences a sudden temperature drop?

Algebra
120

test
235U 92

Chemistry
Example: 235U 92

algebra
how can 2 boys weighing 100lbs each and a man weighing 200lbs cross the river in a boat that only holds 200lbs safely?

English
There is

5th grade
if 5/17 of region is shaded what part is not?

Calculus
A particle moves in a straight line with velocity t^-2 - 1/9 ft/s. Find the total displacement and total distance traveled over the time interval [1,4]. I found out that the total displacement is .4116 But I cannot find the total distance traveled.

Physics
where did the 3x/5 come from

AP Chemistry
What is the Dumas Method in regards to the molas mass of a gas?

AP Chemistry
The molar mass of a volatile liquid (one which vaporizes easily) can be determined by a the DUMAS METHOD.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small hole (...

chem
What is the pH of 0.2 M HN3?

PHYSICS
where are the answers lol

History
when i said even the hebrews tried to secure their race i meant before the world wars.

History
LBN means white in akkadian and they were a peaceful people. Hitler decided to take the sigma doubled as his symbol as it dealt with what he thought he was being the furor after the king named sin. which was also akkadian. Illuminati have thier roots in this in tales dealing ...

History
Anglo saxons get thier start in akkadian for LBN or palestine which is lebanon so i am led to think. It deals with old ritualistic root philosophies on the beginning of the histories of the civilizations which was the dragon then the beast then the lamb like beast. Sargon ...

Chem
5. The LC50 for fluorine is 0.29 mg/m3. What is this in ppm at 25 oC and 1 atm pressure? How does this compare to the PEL?

geometry
9

College Chem
Recycling of PET soft drink bottles involves heating with methanol and an acid catalyst to liberate ethylene glycol and dimethylterphthalate (methyl ester of pthalic acid). These can then be used as monomers to make new PET products. Write an equation for this recycling reaction.

College Chem
How many liters of carbon dioxide at 20 oC and 750 torr are produced when one gallon of toluene is burned? C7H8 + 9O2 ==> 7CO2 + 4H2O 1 gallon toluene = about 3,785 mL density = about 0.867 g/mL mass toluene = 3785 mL x 0.867 g/mL = 3282 grams. moles toluene = grams/molar ...

nothing
so how does this website work?

physics
3333

math
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.10, what are the odds in favor of a direct hit? a. 1:10 b. 1:9 c. 9:1 d. 8:1

math
what percentage is 60 of 480?

political science
Compared to the Articles of Confederation, did the US Constitution represent an increase in national power or a decrease? How so?

government
Compared to the Articles of Confederation, did the US Constitution represent an increase in national power or a decrease? How so?

Fundamentals of Cost Analysis (Economic Analysis)
What would be the present value of an item that has a salvage value of $25,000 at the end of five years? Assume a discount rate of 3.8% for an end-of-year factor. Carry calculations to four decimal places.

Finance
10,000

home economic
Which of the following gadgets is best for making a soft-shell shape out of butter? A. A curler C. A masher B. A peeler D. A pick

economics
a,b,a

social studies
thanks

social studies
the choices are A)written language B) child-child socialization C) vocabulary development D) assimilation into mainstream culture.

social studies
For children who are learning English as a second language. context-embedded activities enhance?

math
If you know that the number will be prime, than you only count the prime numbers; because there are 6 prime numbers in 1-11 and only one of those is even, the answer is 1/6.

10th grade math
how to solve triangles with parrellel lines running through them!

college
one

Math
There are 8 letters, of which 4 are in the set you are interested in. That means the probability of drawing a letter from the {m,a,t,h} set is 4/8 = 1/2. Answer: 1/2

Math
slope-interpept form of the line satisfying the specified conditions: through (-15, -49) and perpendicilar to 5x+8y=-48

12th grade
distance= average speed multiplied by time taken the answer is to convert the hours to minutes which would be 5 hours and 15 secs and multiply by 70 which iz360.5

world history
what were the possitives and negatives of andrew jacksons presidency?

English
and the hamlet one, its your seccond choice, i just learned that today :)

English
use the authors first name at the begining then substitute in his last here and there

human reources
Biographical information blanks are difficult for applicants to fake because?

Geometry-PLEASE CHECK ANSWERS!
wdw

begining algebra
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

college
One side of a triangle is three times the shortest side. The third side is 7 feet more than the shortest side. The perimeter is 62 feet. Find all three sides.

8th grade
who was emily tassey and who were her kids

Crt/205
It's the Straw Man fallacy. The Catholic Church is not against condoms because of their inability to prevent disease, it is against them because of their ability to prevent pregnancy. He is correct that condoms aren't 100% effective in preventing AIDS, but he ...

chemistry help plz
limiting reactant is Bi(NO3)3, and 9.762629805 g of Bi2S3 is produced

chemistry
Not sure, sorry.

Any Help w/5th grade math
No, that is not right. If you sell 25 brand B's you sell 50 A's. That is 75, If you sell 25 C;s, you sell 50 As. That is another 75. THat is more than 100. There is no answer to this question.

algebra
(5x3 + 3)2 = (5x3)2 + (3)2 = 25x6 + 9 Determine if Louise’s answer is correct. Explain.

morrow
parallel hierarchies

History
Right of Deposit

physics
sd

Statistics
sadas

sociology
three ways that american institutions have brought oppressed groups closer to the american dream

Religions
How modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are indigenous religions still practiced today? If so, how have the practices changed over time?

Goverment
Why or why not the concept of religious freedom is relevant to today's contemporary society.

Goverment
Examples of religious liberty in America has been real or is just an ideal.

college
Why and how religious freedom was guaranteed in the Bill of Rights, and why it has been difficult to achieve that ideal.

soigology
historical examples of bigotry

coding
you are a third party payer performing medical record review you notice a procedure that was not done what should you do

Challenge Problems - Math
Please help, even if you only know 1 answer. 1. The length of each side of rectangle R is an integer, and the area of R is 2009. What is the largest possible perimeter of R? 2. If i place all three operational symbols +, -, X in all possible way into the blanks if the ...

spelling
what is the positive and comparative for worst?

spelling
what is the comparative and superlative for willing?

spelling
what is the comparative and superlative for useful?

spelling
what is the comparative and superlative for troubled?

spelling
thank u

spelling
what is the comparative and suuperlative of northern?

spelling
whirlwind:breeze::downpour:???

spelling
scrub was right do you know the other one??

spelling
broom:sweep::brush:??? start with scr,spr,str,thr

spelling
scratch was the right one

spelling
scr,spr,str,thr

spelling
glue:sticks::thorns:?????

spelling
They have to begin with scr,spr,str,thr

spelling
whirlwind:breeze::downpour:???

spelling
stream

spelling
spruce...I found it out

spelling
flower:rose::tree:??????

social studies
...

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