Questions Asked on
September 9, 2010

9th grade
Write an algebraic expression for the phrase. the product of g and 4 a.4g b.g + 4 c.g/4 d.g – 4

science
A 0.513 M solution of a weak base has a pH of 11.4. What is the Kb of the base?

9th grade
Write an algebraic expression for the phrase. the sum of b and 11 a. b/11 b. b + 11 c. 11b d. b – 11

Please check answers)
Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16  1/x all over 1 + 4/x A) x+4/16 B) x4/16 C) 16/x+4 D) 16/x4 E) 16/x+4 I chose answer C. I saw this as x^216/ x+4. Multiply the following using the

5th grade science
How could you change an object's volume without changing it's mass?

3rd grade
Use compatible numbers to complete this problem. Then estimate the sum. 3,428 +432 _____

math problem solving organized list
tonya and lauren are designing a socce r uniform.they want to use two colorson the shirt.their choices are green,purple,orange,yellow,blue and silver.how many ways can they choose two colors.

literary
Hi, I don't seem to understand Stephen King's "Why we crave horror movies" Give three examples of figurative language (in this case, a metapor) King uses. For each, explain what two things are being compared and state why you think this is an effective

9th grade
Write an algebraic expression for the phrase. 4 times the sum of q and p a. 4 + q + p b. 4qp c. 4q + p d. 4(q + p) MY ANSWER D.?????

physics
The earth has a radius of 6380 km and turns around once on its axis in 24 h. 1)What is the radial acceleration of an object at the earth's equator? Give your answer in m/s^2 2) What is the radial acceleration of an object at the earth's equator? Give your

Physics: Diameter of a nichrome wire
If 49 m of nichrome wire is to have a resistance of 13.0 ohms at 20°C, what diameter wire should be used? I've done this: (108e8)(49)/10.0 ohms = 5.29e6m^2 Then 5.29e6m^2/pi then r = sqrt(1.68e6m^2) and got .00129 = 1.29e3 1.29mm r=2(1.29mm) = 2.58mm

math
A container has three white balls and two red balls. A first ball is drawn at random and not replaces. Then a second ball is drawn. give the following conditions. What is the probability that the second ball was red? The first ball was white? The first

science
A pyramid of numbers demonstrates that a community has a) producers who depend on consumers for food b) more producers than primary consumers c) the same number of organisms at each level d) more consumers than producers e) no loss of usable energy B

social studies
suppose you are at 15 south latitude, 145 east longitude. which would be more usefulgear pr hiking boots? why

English fallacies
my assignment is to find quotes from thimas jefferson's query 14 and label them according to fallacies and i just don't get it. some quotes include "Comparing them by their faculties of memory, reason, and imagination, it appears to me, that in memory they

statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard deviation of the

Physics
highway saftey engineers build soft barriers so that cars hittingthem will slow down at a safe rate. a person wearing a saftey belt can withstand an acceleration of 300 m/s how thick should barriers be to safely stop a car that hits a barrier at 110 km/h

government
Do you believe that the media is America's "fourth branch" of government? Is there adequate fair and balanced reporting on political issues or is the media biased? Why or why not

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.

physics ( math)
Solve the Equations in terms of X: a. x/a = b/c b. s=xt^2/2 d. 4= 10/x e. 5= 5/x5 f. 40=2((x10)25) g. x(y+2)/ (5y +8) 1.What is the average of 2/9 and 4/5? 2. Subtract 4.20 x 10^5 from 6.468 x 10^4 3.Given: D= density; M= Mass; V= Volume; and D= M/V a)

Chemistry
Ephedrine, which is used as a bronchodilator, has the chemical formula C10H15NO. What mass of H2O would be produced during a combustion analysis of 0.4817 g of ephedrine? Answer in units of g.

English
True or False. The firstperson narrator may slant the presentation of events. True Is the narrator always the voice of the author? No, because the narrator could be anyone. Am I right?

MATHS
demand function for kerosene: Kd=a0+a1Pk supply function for kerosene: Ks=b0+b1Pk+b2Pg demand function for gasoline: Gd=c0+c1Pg+u1 (ul here shows a exogenous random shock to the demand of gasoline) supply function for gasoline: Gs=d0+d1Pk+d2Pg a) if

spanish
1. The "tú"form of you is used: A all the time B as a sign of respect C with strangers D with friends and peers E only in Spain F only on Mondays Which subjects correspond to the following combinations? 2. tú y yo A yo B nosotros C ustedes D ellos E

math
Use symbolic Math symbolic representation: 1. The # of birds in a population equals the nbr of females plus the # of males.

math
Use symbolic Math symbolic representation: 1. You learn that for every 1,000 meters you rise in the atmosphere, the temperature drops by 6C. You have the idea that if you know the temperature at the base of a mountian and its height, you can figure out the

math
Use symbolic Math symbolic representation: 1. You observe that oen fox eats 100 rabbits each year. You have the idea that every increase of one int eh fox population will cause the rabbit population to decrease by 100.

buisness
describe two forces that you believe shape the relationship between business and society

calculus
What analytic method steps are required to find the limit of cos x1/2x^2 ? Limit greater than 0. Estimating 0.25 but stalled ....

MATH
You are listening to a political pundit discussing the growth of the state's population with a radio talk show host. The host states that the State of Arizona had a population of 6,166,318 in 2006. Our pundit says the 2005 population was 5,130,632.

algebra
The following function notation was given for Barking Lot Grooming: b(5)=28. What does the 5 represent? What does the 28 represent?

Health
A runner completes a more difficult run than usual. At the end, he's breathing heavily and his muscles are cramping. This condition is caused by a buildup of ___ in his blood and muscles. A. lactic acid B. oxygen C. carbon dioxide D. sulfur I think it's

statistics
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

math
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

science
Are the following data sets on chemical changes consistent with the law of conservation of mass? (a) A 15.0 g sample of sodium completely reacts with 19.6 g of chlorine to form 34.6 g of sodium chloride. the answer is yes, because 15 and 19.6 add up to

statistics
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

statistics
Heights of young adult US women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all US young adult women are taller than 6 feet?

civics
who are some good citizens? for example terry fox or mother teresa. i need people other than them

9th
Define a variable and write an expression for the phrase. the quotient of 6 times a number and 16 a.(16x) / 6 b.(6x) / 16 c.96x d.x / 96

chemistry
Which of the following statements is true regarding the Lewis structure for methylamine, CH3NH2? a) There will be an unshared pair of electrons on the nitrogen atom. b) There will be three covalent bonds to the carbon. c) Nitrogen will form a double bond

2nd grade
Why does the sun always shine in space?

APPLICATION MATH
Determine the sum of the digits of 1) 777 777 777 777^2  222 222 222 223^2

English
1. We see India as a strategic partner in the late 21st century. 2. We see India as a strategic partner in the mid 21st century. 3. We see India as a strategic partner in the early 21st century. (Are all grammatical? Can we use 'middle' instead of 'mid'?)

math
It takes 28 minutes for a certain bacteria population to double. If there are 4,241,763 bacteria in this population at 1:00 p.m., which of the following is closest to the number of bacteria in millions at 4:30 pm on the same day?

Geography
If D is the midpoint of AC and C is the midpoint of AB and AD=3cm what is the length of AB

chemistry
How many grams of copper are contained in 253g of CuSO4

trig
Find the distance between d(P1,p2) between the points P1 and P2 P1= (1,5), P2 = (6, 6) and i also need help with this problem x 8 ____  ____ x^264 64x^2

Math
Through a given point on a line, there is one and only one line perpendicular to the given line. The hints that it gave was "Do not limit your thinking to just two dimensions". If it just a regular line there will only be one perpendicular line right?

4th grade
colin is thinking of a group of numbers between 40,000 and 60,000 that rounds to 54,450 .Use an organised list to fing Collins numbers

:( math
3x (x3)^3  x (x3)^2 ps. I am staring at this problem for a long tym and have noo clue please help?

8th grade
What two European countries helped start the Age of Explorations?

3rd grade
writing in math mrs. bradner has 30 tomato plants. she wants to plant the same number of plants in each row of her gardner. explain how she could decide the number of rows to plants.

chemistry
A sample of magnesium (13 g) when heated in air produces 22 g of product. What percent (by weight) of magnesium is present in the product? Answer in units of %.

chemistry
A 0.010 M solution of aspirin, a weak monoprotic acid, has a pH of 3.3. What is the Ka of aspirin?

Math
Solve for t. 45.0 m = (8.636 m/s)t + ½(9.80 m/s^2)t^2 ?

math
what is the appropriate graph for time and speed??

math
if 150ml of can cost $1.26 than how much will it cost for 1ml??

algebra
How big is the solution set for an equation that cannot be solved

Chemistry
Some physical properties of water are shown below. freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m A 16.0 g sample of a compound known to contain 3 ion species is dissolved in 100. g of water. The boiling point of the solution is

Algebra
Answer the question with an algebraic expression. If n represents an even integer, what represents the previous smaller even integer?

English Help Plz
Ovid is a great artist; He used different objects to represent the idea of transformations. He used water, tree, earth and heaven as metamorphosis symbolism .But his stories seems to be fiction in the modern age. For example beautiful daughter of a river

9 th grade geomitry
how do you do 19= n  9 ??????

Math
(3+5)*68/1+3*3+2=

business mathematics
What are the financial costs to a business owner who receives a bad check?

physics
Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. im confused where to start

science
It is true that _____.? a) prey capture and eat their predator b) an organism may be the prey in one relationship, the predator in another c) a predator is always a predator d) animals do not help each other escape predators e) some animals are never prey

geometry
What's the coplanar point of w x y and z?

science
Which of the following is an example of population density? a) Asia has the highest birth rate b) the city of Philadelphia has over 200 people per square mile c) Brazil has the largest annual growth rate d) the population of south america is about 200

Math
Ranchers in Sweetwater, Texas hold a rattlesnake round up each year. The ranchers decide to build a cage 24 ft by 12 ft to hold the snakes. They place poles to support the cage 3 ft apart around the perimeter. How many poles are needed? 24 poles. But I'm

4th grade
Juan is thinking of an 8digit number with a 4 in the hundreds place and a 1 in the ones place. What number would fit with these clues

5th grade
96,050*1,000m3

physics
Car A travels at a speed of 15m/s and is 200 m ahead of Car B traveling in the same direction at 20 m/s. How far will Car B travel before cathing Car A.

science
. The pyramid of mass demonstrates that ______ a) the same number of organisms is at the top as at the base of the pyramid b) mass is gained as a food chain progresses c) at each link in a food chain, mass is lost d) the mass of the producers in a

Language Arts
I need the complete predicate in this sentence? Ida B. Wells was born into slavery in 1862 in Holly Springs, Mississippi.

Math
2/3=x/12

Math
Draw a number line make sure the following numbers are on your number line 1,472: 1,560: 1,481

math
What is the opposite (additive inverse) of12 team GREEN?

math
tell wether the event is ibest described as impossible, unlikley, likley to occur half the time, quite likley, or certain, explain yor resoning. the probability of rain is 80%, or 0.8 how can i find the answer to this?

Math
a + 5/12 = 5/9

5th Grade Science
What does the statement "The properties of salts are different from the properties of the elements that go into making them" mean? Include an example in your answer.

To:BobPursley
Earlier you told me "hold a pencil up. A real pencil. I bet you can make perpendiculars in many directions, because the pencil is in a three dimensional space". Could you explain to me what do you mean by this? I try holding up a pencil and doesn't see

English 2
Hey everyone! (: It's been a while. I just started my new sophomore year course. I need help with this 'When you finish with the first collection you will write a persuasive essay that includes a personal narrative in your journal. This essay is intended

physics
?????Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. SO g*m1+g*m2=104.86 N = mgcos(θ) N= (104.86)(9.81)Cos? Where do i find cos?

Business and Economics
What is the measure designed to reduce the level of trade between coountries? (oneword answer)

physics
A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

problems to solve
grants thinks of an odd number between 48 and 64 . the ten digit is greater than the ones digit and the difference between the two digits is 4 . what is grants number

English
Thank you very much for your corrections. Here are some more sentences I'd like you to check. 1)Bassanio is in love with Portia, a girl famous for her beauty and her wealth, and is determined to marry her. He needs money to go to Belmont and court her. For

chemistry
If 10.0 g of CaCO3(s) is heated, 5.61 grams of solid CaO will remain (4.39 g CO2 gas is driven off) If 3.25 g of NaCl(s), which does not undergo decomposition, is mixed with 5.30 g of CaCO3(s) and the mixture is heated long enough to decompose all of the

geometry
gk=24,hj=10 and gh=hi=ij.find each length

English
I forgot to include the following sentences for you to check. Thank you very much in advance. 6)Portia disguises herself as the young judge and Nerissa as her clerk. They come to court to defend Antonio unknown to their husbands. 7) Portia reminds Shylock

Economics
Why does market failure give an arguable case for government intervention to improve social welfare by reducing consumption of alcohol?

algebra need by 10p cst
How can you determine if two lines are perpendicular? How can you tell if two lines are parallel? State whether the following sets of lines are parallel, perpendicular or intersecting. Then explain why. 1) y = x + 4 y = x  3 2) y = 3x  7 y = 1/3 x + 10

6th grade
Im having trouble with my Reading.If any of you have any help.with me please do bc i hate Reading and it is very hard for me.I'm in all honors.PLEASE HELP!!!

physic
A diver running 1.8m/s dives out horizontally from the edge of a vertical cliff and 3.0s later reaches the water below. How high was the cliff, and how far from its base did the diver hit the water?

mental arithmetic
1 third of 18 kg is

Biology
My question is about meiosis, well its not really a question I wanted to know if I was going in the right direction. On my assignment it asked what would happen if meiosis did not occur? If meiosis did not occur the number of choromosomes would continue to

English
In the following sentence, the comma is used correctly with an introductory clause: “Training for the upcoming tenmile marathon, Lizette includes more protein and complex carbohydrates in her diet.”

Chem
Prove by detail calc that glacial acetic acid is the excess and isopentyl alcohol is the limiting reagent

math
Which sentence uses a comma correctly? A. She wanted to be an astronaut, after finishing school. B. He would like to order the steak, and fries. C. Thank you for returning my call, Mary. D. Jim grabbed a bottle of ketchup, to go with his fries.

Math
Kim is twice the age of Ryan. In 4 years Kim will be 7 years older than Ryan. How old is Kim now?

French
Can you tell me what ne t'en fais pas means?

8th grade Math
I'm actually in 7th grade, but I'm doing 8th grade prealgebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power)

calculus
What analytic method steps are required to find the limit of cos x1/2x^2 ? Limit greater than 0. Estimating 0.25 but stalled ....

math
five 150ml cans of perfrct prt dog food $1.26. twelve 400ml cans of doggies love it for $7.38. ten 150ml cans of rover's chow for $2.60. six 400ml can of man's best forend for $3.94. Which pet food should ms.jones buy? explain in as many differnt ways as

math
Use symbolic Math symbolic representation: 1. The Density of a rock is the ratio of its mass to its volume.

social studies
information about southern colonies

ETH/125
List two to three characteristics of orientalism

11th grade
Lo que se hace despues de la clase de educacion fisica.

Inequalities
Shelby's test scores are 99, 91, and 85. If she must average at least 90 points to get an A in the class, what must she earn on the next test? Okay so this was my equation but it came out completely wrong. 99+91+85+x greater than or equal to 90 So what

Calculus
Use cylindrical shells to find the volume V of a right circular cone with height 7h and base radius 4r.

science
Yu learn that for every 1,000 meters you rise in the atmosphere, the temperature drops by 6 degrees C. You have the idea that if you know the temperature at the base of a mountain and its height, you can figure out the temperature at the top of the

science
You observe that one fox eats 100 rabbits each year. You have the idea that every increase of one in the fox population will cause the rabbit population to decrease by 100.

calculus
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the yaxis. y=4/x, y=0, x=2, x=3 I know you have to integrate from 2 to 3 but im not sure what the integral should be

math needed by 12midnight
How can you determine if two lines are perpendicular? How can you tell if two lines are parallel? State whether the following sets of lines are parallel, perpendicular or intersecting. Then explain why. 1) y = x + 4 y = x  3 2) y = 3x  7 y = 1/3 x + 10

Geography
Why is Cairo an important city?

s.s.
which eurpoean countries make up the iberian paninsula?

media
what question can I ask about oratory??

CHEMISTRY
Given the following standard reduction potentials in acid solution: MnO4 + 8 H+ + 5 e® Mn+2 + 4 H2O E°cell = 1.51 V Co+2 + 2 e® Co E°cell = 0.28 V Cr+3 + 3 e® Cr E°cell = 0.74 V The strongest oxidizing agent listed above is: Cr3+. Cr. Mn2+.

English
Can you please check the grammar in the following sentences? Thank you very much. 1)A French boat took Marlow to Africa. In the beginning Kurzt was just a voice for him. 2 a)Then, he says (?) Kurzt became the jungle itself because the jungle had taken him

Espanol
I really need help finding spanish adjectives starting with the letters "j" and "n" to describe other people.

CHEMISTRY
Given a cell based on the spontaneous reaction 2AgCl(s) + Zn(s) ® 2Ag(s) + 2Cl– + Zn2+ If the zinc ion concentration is kept constant at 1 M, and the chlorine ion concentration is decreased from 1 M to 0.001 M, the cell voltage should increase by 0.06 V

physics
The left ventricle of the heart accelerates blood from rest to a velocity of +26 cm/s. (a) If the displacement of the blood during the acceleration is +1.9 cm, determine its acceleration (in cm/s2). (b) How much time does it take for the blood to reach its

health and disuss
Does culture have a relationship to health service utilization? Why?

social studies
your friend rose gave the following answer to the last question in your classroom geography bee: the states that border kansas are nebraska on the north,oklahoma on the south, colorado on the east and missouri on the west did rose win the contest? why or

English
Posted by rfvv on Wednesday, September 8, 2010 at 1:42am. 1. Based on the sketches he drew outside, Degas painted in his studio. 2. As/While he was based on the sketches he drew outside, Degas painted in his studio. 3. When he was based on the sketches he

Biology
What can you say about the amount of hydrogen ions relative to the amount of hydroxide ions in a solution that has a pH of 2?

biology
Are all mixtures solutions? Are all solutions mixtures? Give an example.

English
1. The dog sits under my desk. 2. The dog is sitting under my desk. (What is the difference between Sentence 1 and Sentence 2? What is happening in #1? Is the dog under the desk now or not? I think in Sentences 2, the dog is under my desk. What about in

math
What is the value of 7n when n is 7,565?

physics
The other end of the rope in the previous question is attached to a 44kg mass. As the boy pulls on the rope, the mass rises 25 cm. How much work is done on the mass?

College Physics
A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

us history
how did england's preoccupation with its civil war affect the colonies?

ancient egypt
what social classes made up egyptian society.

social studies
people in southern argetina north to find warmer temperatures. why is this so

Finance
A bond has a $l000 par value, l0 years to maturity, a 7 percent annual coupon, and sells for $985. a. What is its current yield? b. What is its yield to maturity c. Assuke that the yield to maturity remains constant for the next 3 years, what will the

Algebra
3m  10 = 2(4m 5)

English
1. You need to check the time. (What kinds of time should be checked acording to the sentence? Does ' check the time' have a lot of meaning according to the context? Does it also mean "Check what time it is now.?"

chemistry
A gas has a density of 5.56 g/l. What volume in mL would a 4.17 g of this gas occupy?

math 9
6X^1218X^9+18^854X^536X^3+108

MATH
A circular water stain on your home ceiling had a diameter of about 4 inches across on Monday at 8 A.M. On Tuesday at the same time it was about 5.3 inches across. The unit for time is days. (1) Calculate the growth rate as a percentage to at least the

Calculus
Find the area between the xaxis and the graph y = x^2 – x + 1 from x = 0 to x = 3.

MATH
Time and money are always significant. Look at this scenario. You can either do your own yard work or you can pay someone to do it for you. You find that it takes you about 50 minutes to clip, mow, and otherwise clean up your yard each time you do it. You

Economics
is economic equality possible and would it be socially just?

physics
Two point charges are on the yaxis. A 3.0 µC charge is located at y = 1.35 cm, and a 2.04 µC charge is located at y = 1.50 cm. (a) Find the total electric potential at the origin (V) (b) Find the total electric potential at the point having

MATH
We do not provide the units for your answers. Do no type them in the answer box. Enter the numerical value or calculations only. You drove 2695 miles in 35 hours. (1) What is your average rate of change? (2) Suppose you can drive that distance at a legal

sentences
write sentence using the word grams

9th grade
solve 3  (2t + 5) = 12

Geometry
A wooden board is placed so that it leans against a loading dock to provide a ramp. The board is supported by a metal beam perpendicular to the ramp and placed on a 1 ft. tall support. The bottom of the support is 9 feet from the point where the ramp meets

9gr
What is the distance between the points (5, 10) and (4, 2) in the xyplane? 12 9 15 10

10th grade
Write each power as a product of the same factor. 5^4 a. 5 × 5 × 5 × 5 b. 4 × 4 × 4 × 4 × 4 c. 5 × 5 × 5 × 5 × 5 d. 5 × 5 × 5 My answer c.

physics
While standing on a bridge 15.0 m above the ground, you drop a stone from rest. When the stone has fallen 5.00 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same

Math  factoring
Solve by factoring: 1.) x^2  x  12 = 0

Anatomy
If you stand with your arms down at your sides and lift them up to shoulder height is that Adduction or Flexion?

physics
a object is traveling horizontaly when it reaches a 50meter drop how fast must the object be traveling to land 90 meters away from the edge of the drop

12th grade  Math
Justify your answer: 1.) Which line is steeper? y= 4/3x  5 or y= 6/5x  1 2.) Does the slope of line AB exist? A (2,7) B (2,1)

Algebra
Is this equation true or false? Why? 204ã2=16ã2 With like radicands should I add the 4 to the other side of the equation? I'm really lost. Can someone please explain this to me?

calculus
Use the Upper Bound theorem to find an integral upper bound and the Lower Bound Theorem to find an integral lower bound of the zeros of the function. 3x^4  x^3  8x^2  3x  20. This is one of the problems from my summer review and I can't find anything

L PreCal
A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

Algebra 117
Is this equation true or false? Why? ãa+ãb=ãa+b Okay radicals are killing me. Please explain this to me

algebra
12x6=9x

Finance
The present value of a $4,350 savings account that will earn 8 percent interest for 7 years.

management
What are the main differences in the responsibilities of top managers versus middle managers.

management
What distinguishes a first line manager from a team leader? How do companies determine that employees would be good managers?

space
How could measuring the orbit of a comet help scientists understand when it will next be visible from Earth?

L PreCal
A typical record album is 12in in diameter and plays at 33 1/3 revolutions per min. What is the angular speed of a record album? Can someone show me how to do this?? I'm so lost!!

physics
How loud is too loud? When is a sound too loud? What can be done about sounds/noises that are too loud for you?

algebra II
need help solving the equation 5y14+7y20y

9 gr
Write each product in exponential form. 16 × 16 × 16 × 16 × 16 a.5^16 b.16^5 c.16^6 d.16^4 my answer 16^5

expository essays
i do not know how to do the above. Can you walk me throw it? Or where can I finda a sample paper and follow it with my own essay title?

Math12th grade
#1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A

11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours? Visit the Calvinism

algebra
Abraham Lincoln, gettysburg address begins with the phrase (four score and seven years ago.) He was refering to a period of time that was 87 years long. How many years are represented by a score? is the answer 2 or is it 12.43

statistics
In a research study with an effect size of .20, the populations of individuals have an overlap of about:

accounting
What role might an accounting professional play in ethical corporate decision making? Should an accounting professional play a role even when he or she is not the final decision maker? Explain your answer.

statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard deviation of the

Reading
Help unscramble these immediately esplsl ziadrw anvihs amcaigni dspiaearp umiystroes aennctedh

Physics
an astronaut drops a feather from 1.2 m above the surface of the moon. if the acceleration of the gravity on the moon is 1.62 m/s down , how long does it take the feather tho hit the surface

Maths
almudena has cut three quarters of a rope to 3 m in length and daniel has cut 3 / 5 of another of 4 m. ? which of the two pieces are longer

Physics
If the stone strikes the ground 65 m away, find the time of flight and initial speed? Vxi = 17.7 m/s Vyi = 8.636 m/s xi = yi = 0, yf = 65.0 m, ay = g, and vi = 19.7 m/s This is my work so far: trying to find t: 4.9t^2  8.636 65=0 Then I used the

science
Which of the following climatic regions describes two different parts of the country? a) Dry warm b) Wet warm c) dry cool d) Wet cool e) All of the above e

physics
If your mass is 56 m/s, what is your acceleration? ____m/s

statistics
Effect size is a measure of:

spanish
i need help on this stem changer tu (pensar)______ que tener un perro es una cosa buena

statistics
A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular jobskills training program. The cutoff "t" needed is 1.8333. The standard deviation of the

science
soil_________ a) is completely composed of living matter b) characteristics determine what plants can grow in it c) can be formed quickly d) is acidic if it contains a great deal of moss e) contains only inorganic matter b

plz help me for math
6X^1218X^9+18^854X^536X^3+108

statistics
A research article included the following table: Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation. Questionnaire Before After Change Dominance 18.42 16.31 2.11 Independence 17.25 21.38 4.13** Conformity 18.97 17.20

maths
rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

finding boiling points of solutions
What is the boiling point (in degrees Celsius ) of each of the solutions below? For water, Kb = 0.51 (Degrees C * kg)/mol The vapor pressure of water at 45.0C is 71.93 mm Hg. 1. A solution of 15.0g of urea, CH4N2O, in 164 g of water at 45.0 degrees C. For

statistics
A research article included the following table: Mean Score on Four Questionnarie Scales Before and After the Experimental Manipulation. Questionnaire Before After Change Dominance 18.42 16.31 2.11 Independence 17.25 21.38 4.13** Conformity 18.97 17.20

physics
You are trying to slide a refrigerator across a horizontal floor. The mass of the refrigerator is 199 kg, and you need to exert a force of 343 N to make it just begin to move. (a) What is the coefficient of static friction between the floor and the

algebra
x=8

statistics
A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

6th grade
what is a controlled varible

chemistry
What is the correct formula for an ionic compound that contains aluminum ions and sulfide ions? The answer is Al2S3. How did they get this answer?

English
1. He gave me roses on Christmas. 2. He gave me roses at Christmas. 3. He gave me roses on Christmas time. 4. He gave me roses at Christmas time. (Which one is right? Can we use other prepositions before 'Christmas' or "Christmas time'?)

british literature
Name the literary element in each quotation.Defend your answer using the definition of the element. 1"A sudden little river crossed my path/As unexpected as a serpent comes" "Childe roland to the Dark Tower Came" 2"if i promised,i believe/i should fret

Chemistry
Ti(CH3CH2OH+HCl+C2H6O

chemistry
A single 4p orbital can hold how many electrons? i got 6 is that correct or no?

Chem
Would conducting electricity be considered a physical or chemical property of ZINC i got phyiscal but just want to make sure.

Physics
Convert 341 m/s into km/h. (I have to leave the final answer to the correct number of digits according to the certainty rule for multiplying and dividing)

chemistry
Would Conducting electricity be considered a physical or chemical property of zinc i got physical but just want to make sure.

physics
A helicopter is ascending vertically with a speed of 6.50 m/s. At a height of 55 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: The package's initial speed equals the

Math
If there are forty new students in a class and the students have to shake each others hand once, how many hand shakes will occur? Pleas help me i am confused.............:(:( i need a formula

chemistry
A 2.000g sample of FeF2 times xH2o is dried in an oven. When the anhydrous salt is removed from the oven, its mass is 0.789g. What is the value of x?

maths
rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

physics
a plane travels 5.0 x 10^2 while being accelerated uniformly from rest at the rate of 5.0 m/s. what final velocity does it attain?

algebra two
11/ (1/2)

Phyics
A ship is first seen on a radar screen to be 13 km east of the radar site. Some time later, the ship is at 16 km northwest. What is the displacement of the ship from the first location it is seen at?

algebra 1
(x+5)(x+2) (x2)(x2) (x+5)(x12) (3c4d)(2c+5d) (5x3)(3x8)

Physics
24. 0/3 points All Submissions Notes Question: Walker2 3.P.015. Question part Points Submissions 1 2 3 0/1 0/1 0/1 0/7 3/7 2/7 Total 0/3 A vector A has a magnitude of 49.0 m and points in a direction 20.0° below the x axis. A second vector, B, has a

rounding
(a) 455 cal to joules thats 1 903.72 joules but i need to round it to 3 sig figs how do u do that?

English
Thank you very much for your cooperation. Can you please check some more sentences? 1) His soul had gone mad as a result of his solitude in the wilderness. 2) He struggled against the madness of his soul that, however, recognized no limits and ad no faith

Math
Can the product law of logarithms be used to evaluate log(2) + log(3)? I know that a negative logarithm is undefined. However, the product law will give: log(2)(3) =log(6) =.7782 Is this allowed? Thanks for your help.

algebra II
12/3/4

9th
Evaluate each expression. 9 ¸ 3 + 3 ´ 4 a. 24 b. 15 c. 17 d. 6 MY ANSWER 15??????

math
(x+5)(x+2) (x2)(x2) (x+5)(x12) (3c4d)(2c+5d) (5x3)(3x8)

ENGLISH
Ovid's poetry is a source of classical mythology. His poetry itself is very creative and beautiful. His most famous and familiar are myths, including the stories of Dophne, pyramus and Apollo. The main theme of the Metamorphoses is “change”. Ovid’s

Math(Please help)
1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x  2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents occur. Assume that

maths
how do you get 2*5+5squared root 5 to become 2+sqrt5 ?

Math
There is something wrong with this definition for a pair of vertical angles: “If AB and CD intersect at point P,then APC and BPD are a pair of vertical angles.” Sketch a counterexample to show why it is not correct. Can you add a phrase to correct it?

reading
i need help on a project about ceres/demeter so could you please give me web site. i've checked google and .mlahanas.de/Greeks/Mythology/Demeter.html

9gr
1. At 11:00 a.m. a onemeterhigh mailbox casts a 0.7meter shadow. If a pole beside the mailbox casts a 28meter shadow, how tall is that pole? 400 m 40 m 0.4 m 4 m

physics
A boy sledding down a hill accelerates at 2.00 m/s2. If he started from rest, in what distance would he reach a speed of 5.20 m/s?

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

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

physics
You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

math
How do you express this in sum of the digits 5500 ps. I don't understand the meaning of sum of the digits, would you mind explaining the meaning?? thank you soo much!

MathDerivatives!!!
4x^4 x^1/2+(7/(x^2 x^1/2))

literature
if this be error and upon me proved, i never writ, nor no man ever loved.

8th Grade Algebra
3m  10 = 2(4m 5)

College Physics
A red car and a green car, identical except for color, move toward each other in adjacent lanes and parallel to an xaxis. At time t=0, the red car is at x sub r = 0 and the green car is at x sub g = 220m. If the red car has a constant velocity of 20km/h,

math
what is a quadrangle with two pairs of parrallel sides all angles are right i am not a square what am i

PreAlgebra
Write a variable expression for 9 less than k

college physics
a 1.50 kg. water is inside a cylindrical jar 4 cm. in diameter. what is the pressure at the interior bottom of the jar?

precal  types of functions
Spider Industries is a U.S.based company that testmarketed an electronic cobweb destroyer in Japan. The company's revenue, R, is a function of the number of destroyers sold, x, using the following formula R = 160x 0.2x^2. What type of function did

Continents
I need to know if these are all the continents and the correct spelling for a quiz tommrow. Africa Aisa Auntartica Austraila North America South America Eroupe THANKS!!! :D

algebra
You are putting a stone borderof uniform width around a rectangular garden that measures 6 yards by 15 yards. You only have enough stone to cover 100 square yards. How wide should the border be? Solve using the 5 step process.

9gr
Evaluate each expression. 7 + (3 + 12 / 2)^2 a. 16 b. 88 c. 46 d. 256 I think 88 ????????

english
say about your family?

chemistry
2.48 x 103 eV What would be the rest mass of a particle with that energy (in kg units)?

Spanish
How would I write: I have known her for 5 years? Hace conozco cinco anos?

com156
what are three challenges that may arise when writing a persuasive paper?

french
Please correct my French homework.? I try my best... I translated English to French. Merci d'avance The prince tries to follow her but it seems that it is too late. He is disappointed in her. He sits down on the stair. He feels hopeless and thinks that he

Spanish
How would I say: He is not tall or short? No, El es alto o bajo?

math
What do you use to graph? What steps would you take to solve: 2x + 5y = 14 3x + 2y = 17

world history
what social clasess existed within the feudal system?what were the definig charaacteristic of each class?

math
What are parallel and intesecting

Geography
Why is rice important to the Middle East?

9gr
3.What is the next term in the sequence below? 8, 27, 64, 125, ... 216 343 18 10

Algebra 116 Help Please
why the line x = 4 is a vertical line. Name three points on the line represented by x=4. Then explain why, when we connect these points, the line goes straight up and down and does not slant to the left or right. Is the three point becasue on a graph we

math
simpilify 2p+22psquared2

9th grade math
x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 3/4th times 3/4th right? so the answer would be 9/16ths.. right?

Math
Test each number for divisibility 2,3,5,and 10? 48,960

math
simpilify 2p+22psquared2

Math(Please check answers)
Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2  14x  6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x6) C)

physics
A train slows down as it rounds a sharp horizontal turn, slowing from 87.4 km/h to 44.6 km/h in the 16.1 s that it takes to round the bend. The radius of the curve is 180 m. Compute the acceleration at the moment the train speed reaches 44.6 km/h. Assume

art
what is a free form shape

maths
rationalise 5+2square root 5 divided by square root 5. please can someone help me on how to get the answer 2+square root 5

Math(Please help)
1) An expression that occurs in calculus in given. Reduce the expression to lowest terms. (2x + 5) 4x  2x^2(2) / (2x+5)^2 I have no idea what to do for this. 2) Simplify the expression. Express the answer so that only positive exponents occur. Assume that

economics
If q(P) = 100/P and c(q) = q2 , what is the optimal level of output of the monopolist?

math
52 legs, there are 16 animals, how many chickens and pigs are there

8th grade math
The perimeter of a square with a side length of s is given by the expression 4s, what is the permiter of the square shown? and on one of the sides it says 7.5m How would I answer this?

Math
2x cubed minus x squared minus 6x plus 3. I know the answer is (2x1)(x squared3). Please help me with how they got that answer. Thank you!

world history
So do you think that Caesar was a tyrant, if so why? I personally don't because he tried to alot of good I think but I want someone else's opinion

history
what factors most influenced colonial development and why?

algebra
the perimeter of a triangle is 53 inches.the second side is 3 inches longer that the first side the third side is 1.5 times the lenght of the second side. what is the lenght of each side

10th grade
A computer manufacturer assembled 21,000 computers in October. For the month of November, they expect to double production. If a worker can assemble one computer per day, how many workers will be needed to complete the job in 28 days? a. 1,500 workers b.

Math
Sketch a graph of the equation y=x^2 + x + 10 for x=0...x=4 i think that the equation y=x2+x+10 is a parabola and for the x values that were given am i suppose to plug in?

Math
2x cubed minus x squared minus 6x plus 3. I know the answer is (2x1)(x squared3). Please help me with how they got that answer. Thank you!