Questions Asked on
April 27, 2014

English help
1. In a citation within a Works Cited page, which of the following should NOT be in italics? A. the title of a book B. the title of an editorial********* C. the title of an encyclopedia 2. You finished writing a research paper on the way modern technology
asked by Cassie 
Probability
For any given flight, an airline tries to sell as many tickets as possible. Suppose that on average, 10% of ticket holders fail to show up, all independent of one another. Knowing this, an airline will sell more tickets than there are seats available
asked by qwerty 
Scoiolgy
Mattie is a new sociology professor at the local college. During her first lecture, she noticed that some students were yawning. Based on her interpretation of the students yawning, Mattie has decided she is a boring teacher. This is an example of the
asked by Angela 
physics
How many grams of coffee must evaporate from 350 g of coffee in a 100g glass cup to cool the coffee from 95.0ºC to 45.0ºC ? You may assume the coffee has the same thermal properties as water and that the average heat of vaporization is 2340 kJ/kg (560
asked by Mohanad 
Algebra 1
Can you please check my work and help me with the parts that I don't understand? For each event, choose the most appropriate term and solve the problem. 1. In a sweepstakes with nine hundred entries, the first winner selected receives the grand prize, the
asked by Caroline 
computer literacy
1. Which of the following options would return a true statement for the sentence: The sky is bluest early in the morning. (A) Sky and blue Sky not morning Sky or dark Sky and evening 2. Famed science fiction writer H. G. Wells once envisioned something to
asked by Mariah 
Chemistry
If 22.5 L of Oxygen reacted with excess hydrogen, how many liters of water vapor could be produced?
asked by Addy 
math, geometry
The bases of trapezoid ABCD are \overline{AB} and \overline{CD}. Let P be the intersection of diagonals \overline{AC} and \overline{BD}. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.
asked by Anonymous 
physics
Indigenous people sometimes cook in watertight baskets by placing hot rocks into water to bring it to a boil. What mass of 500ºC rock must be placed in 4.00 kg of 15.0ºC water to bring its temperature to 100ºC , if 0.0250 kg of water escapes as vapor
asked by Mohanad 
Algebra 1
Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary
asked by Caroline 
Chemistry
An unknown gas is placed in a 1.500 L bulb at a pressure of 356 mm Hg and a temperature of 22.5 ∘C, and is found to weigh 0.8108g .What is the molecular mass of the gas?
asked by Tyler 
chemistry
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation
asked by Suzanne 
physics
If you pour 0.0100 kg of 20.0ºC water onto a 1.20kg block of ice (which is initially at −15.0ºC ), what is the final temperature? You may assume that the water cools so rapidly that effects of the surroundings are negligible.
asked by Mohanad 
physics
A 0.250kg aluminum bowl holding 0.800 kg of soup at 25.0ºC is placed in a freezer. What is the final temperature if 377 kJ of energy is transferred from the bowl and soup, assuming the soup’s thermal properties are the same as that of water?
asked by Mohanad 
MATH_URGENT
The bases of trapezoid ABCD are \overline{AB} and \overline{CD}. Let P be the intersection of diagonals \overline{AC} and \overline{BD}. If the areas of triangles ABP and CDP are 8 and 18, respectively, then find the area of trapezoid ABCD.
asked by RhUaNg 
Algebra 1
Can you please check my work? A city planning committee surveys 100 people waiting at a bus stop about the expansion of the public transportation system. Is this an example of a: random sample, systematic sample, selfselected sample, convenience sample,
asked by Caroline 
Chemistry
The compound M2X3 has a molar solubility of 0.0190 M. What is the value of Ksp for M2X3? Here are the choices: 1. 3.52 × 10^6 2. 4.12 × 10^5 3. 8.91 × 10^8 4. 2.48 × 10^9 5. 2.67 × 10^7
asked by Sara 
Chemistry
A small cylinder of helium gas used for filling balloons has a volume of 2.85L and a pressure of 13300kPa at 25 ∘C.How many balloons can you fill if each one has a volume of 1.50L and a pressure of 1.26atm at 25 ∘C?
asked by Tyler 
Chemistry
For the formation of ammonia, the equilibrium constant is known to be 5.2 × 10^−5 at 25◦C. After analysis, it is determined that [N2] =3M and [H2]=0.8M, both at equilibrium. How many grams of ammonia are in the 10L reaction vessel at equilibium? Use
asked by Sara 
life orientation
list and discuss any four factors that could threaten or limit the core functions of the media.
asked by samitan 
Math emergency I have 10 minutes to submit it.
A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(81 + 1.6x) dollars. Determine the producers' surplus if the market price is set at $11/unit. (Round your answer to two
asked by Mia 
physics
if 20g of steam at 100 c is mixed into 80 g of water at 20 c what is the final temperature if no heat lost
asked by sara 
statistics
For which of the following would it be most appropriate to use an ANOVA to analyze the data? A. A researcher is interested in determining the most effective format for advertising. He randomly assigns 60 people to one of three groups: (1) television
asked by April 
Ethics in Criminal Justice
Engaging in lawbreaking behavior to achieve a reputation or gain status among peers would be most consistent with which of the following stages of moral development, according to Kohlberg's model? A. Punishment/Obedience B. Law and Order C. Social Contract
asked by Erica 
Math emergency I have 10 minutes to submit it.
Find the area of the shaded region. y= x2 y= sqrt(x)
asked by Mia 
Math emergency I have 10 minutes to submit it.
The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.1x + 14 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market
asked by Mia 
Geometry
In the diagram, a building casts a 35ft shadow and a flagpole casts an 8ft shadow. If the flagpole is 18 ft tall, how tall is the building? Round to the nearest tenth.
asked by Okay 
Scoiolgy
Gemeinschaft is to "intimate community" as Gesellschaft is to: A. the dawn of civilization. B. impersonal association. C. efficiency and perfection. D. mechanical society. D
asked by Angela 
chemistry
A 37.0 g mass of a metal was heated to 100°C and then plunged into 74 g of water at 24.0°C. The temperature of the resulting mixture became 28.0°C. (a) How many joules did the water absorb? (b) How many joules did the metal lose? (c) What is the heat
asked by Kelsey 
Statistics
One survey by the American Medical Association showed that among 785 randomly selected people who completed four years of college, 81.7% do not smoke. Use a 0.01 significance level to test the claim that people who completed four years of college are more
asked by Allison 
English
Which of the following describes literary analysis? Need help Please. A.writing that is vague and uncertain B.a central message about life C.determining the meaning behind events and characters’ actions D.written directions about how the actors sound and
asked by Carlos 
Maths
How do I write an equivalent expression to the expression below (17x 93) / (17x 97)
asked by Pinks 
Economics
Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is the
asked by Ryan 
Scoiolgy
As children, boys usually receive trucks, sporting equipment, and action toys. Girls receive stuffed animals and gifts that are more passive. Overall, what do sociologists call this sexbased criteria for the gifts children receive? A. Resocialization B.
asked by Angela 
earth
Which of the following illustrates the formation of a delta? A)Sediment is deposited where a river flows into an ocean or lake. B)Sediment is deposited where an ocean flows into a river. C)Sediment is deposited where a stream leaves a mountain range.
asked by Haylee 
Probability
natalie has a bag that contains eight marbles. she draws out a marble, record its color, and puts it back. if natalie repeats this eight times and does not record any red marbles, can she concludes that there are not any red marbles in the bag? Explain
asked by Roy 
Chemistry
At what temperature (∘C) will xenon atoms have the same average speed that Cl2 molecules have at 35∘C?
asked by Tyler 
math
write an equivalent expression to the expression below.(17*93) (17*97)
asked by Nicole 
GEOMETRY
In a arcade game, the "monster" is the shaded sector of a circle of radius 3 cm, as shown in the figure. The missing piece (the mouth) has a central angle of 60 degrees. What is the area of the monster in cm^2
asked by PLEASE HELP 
Economics and statistics
If the critical z value for a hypothesis test equals 2.45, what value of the test statistic would provide the least chance of making a Type I error? 3.74 10,000 2.46 4.56
asked by Student5 
chem
One mole of pentanol (C5H11OH) contains how many hydrogen (H) atoms?
asked by jay 
physics
The formation of condensation on a glass of ice water causes the ice to melt faster than it would otherwise. If 8.00 g of condensation forms on a glass containing both water and 200 g of ice, how many grams of the ice will melt as a result? Assume no other
asked by sara 
Chemistry
What is the molecular mass of a gas that diffuses through a porous membrane 1.86 times faster than Xe?
asked by Tyler 
Math
Three green balls and two yellow balls are placed in a hat. Two balls are randomly drawn without replacement. Let X be the number of green balls drawn. i)X=1
asked by Naina 
Maths
Mary wants to find the area of a rectangle 1/6 by 5/6 .How many unit squares with side length 1/6 yard would mary be able to use to title the rectangle?i got 106 is the correct
asked by Pinks 
Scoiolgy
Which statement best describes the difference between how Westerners and Easterners perceive the world and think about it? A. Westerners are more concerned with the background scenery in a picture, and Easterners are more concerned with the main character
asked by Angela 
chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
asked by Morgan 
math
At 3:00 PM a man 146 cm tall casts a shadow 136 cm long. At the same time, a tall building nearby casts a shadow 177 m long. How tall is the building?
asked by laurens 
science/ ms. sue
1. how does oil between machine parts reduce friction ?
asked by rian 
physic
A dielectricfilled parallelplate capacitor has plate area A = 10.0cm2 , plate separation d = 7.00mm and dielectric constant k = 3.00. The capacitor is connected to a battery that creates a constant voltage V = 7.50V . Throughout the problem, use ϵ0 =
asked by asasa 
ag 1
The average daily high temperature for the month of may in ocaia Florida is appromaimated by thee function. F(n)=0.2n+80. Where n is the day of the month
asked by Anonymous 
physics
A coin is dropped from the Leaning Tower of Pisa. It starts from rest and falls freely. Neglecting air resistance, compute the coin's position and velocity at 1.0 s, 2.0 s and 3.0 s.
asked by amiel 
Math
Nene buys a bowling ball that weighs 10 pounds 13 ounces at a sporting goods store.What is the total weight of the bowling ball in ounces?
asked by Pinks 
Chemistry
Traffic on the German autobahns reaches speeds of up to 230 km/h.At what temperature (∘C) do oxygen molecules have this same average speed?
asked by Tyler 
Math
Mrs. Smith surprised her 30 students with cookies. She gave them a choice of chocolate chip, peanut butter and sugar cookies. 5 students had only a chocolate chip cookie, 3 had only a peanut butter cookie, and 2 had only a sugar cookie. 5 students had a
asked by PLEASEEE HELP! 
Math urgent
Harry buys American cheese at the deli. He buys 1/4 pound at the cost of x dollars per pound. If he pays $12.25 for 2.5 pounds of cheese, what is the cost per pound? Please show your work.
asked by Sarah 
statistics
A basketball scout randomly selected 144 players and timed how long each player took to perform a certain drill. The times in this sample were distributed with a mean of 8 minutes. The population standard deviation was known to be 3 minutes. A. find the
asked by Mark 
accounting
After the accounts are adjusted and closed at the end of the fiscal year, Accounts Receivable has a balance of $673,400, and Allowance for Doubtful Accounts has a balance of $11,900. Describe how the accounts receivable and the allowance for doubtful
asked by diane 
Life orientation
List and discuss 4 factors that could influence the core functions of Media
asked by Nokuthoba 
chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
asked by Morgan 
chemistry
how do you see the answers to these stupid questions on this stupid website??????
asked by Shonni 
Statistics
Two groups of climbers (team A and Team B) attempt to climb Mount everest using different routes. The probability of Team A reaching the summit is .70, The probability of Team B reaching the summit is .85. A. Sue calculated the probability the both teams
asked by Mark 
Chemistry
Methane gas, CH4, is sold in a 43.0L cylinder containing 5.91kg .What is the pressure inside the cylinder (in kilopascals) at 21∘C?
asked by Tyler 
epidemiology
In another study, the smoking habits of 34,445 male physicians were obtained by mailed questionnaires. Deaths among these physicians over the subsequent years were identified though contact with the office of the Registrar General. The death rates from
asked by Tracy 
problem solving
Erica painted a picture of her dog. The picture has an area of 3600 cm square and is square. She has placed the picture in a frame that is 5 cm wide. What is the perimeter of the picture frame?
asked by Anonymous 
Scoiolgy
Tony is five years of age. He loves to dress up like the Lone Ranger and pretend to help people in need. According to Mead's theory, what stage best describes Tony's behavior? A. The imitation stage B. The game stage C. The play stage D. The fantasy stage
asked by Angela 
Scoiolgy
s Which of the following would be the best example of a total institution? A. A mental hospital B. A private university C. A parochial school D. A baseball team A
asked by Angela 
Math 120
Drop a stone in a well, the sound is heard 17 seconds later. How deep is the well in feet
asked by Larry 
FIN110339
You think in 15years, it will cost $214,000 to provide your child with a 4 year college education. Will you have enough if you take $75,000 today and invest it for the next 5 years with $1million
asked by Carolyn 
Statistics
Health issues due to being overweight affect all age groups. of children and adolescents 611 years of age,18.8% are found to be overweight. A school district randomly sampled 130 in this age group and found that 20 were considered overweight. at Alpha
asked by Mark 
Scoiolgy
George Herbert Mead indicate a child must learn to take multiple roles in the __________ stage of development. A. sensorimotor B. team games C. preoperational D. play A
asked by Angela 
Statistics
One survey by the American Medical Association showed that among 785 randomly selected people who completed four years of college, 81.7% do not smoke. Use a 0.01 significance level to test the claim that people who completed four years of college are more
asked by Parker 
Chemistry
What is the specific heat of an unknown substance if a 2.45g samples releases 12.9 cal as its temperature changes from 25.1 degrees C to 20.1 degrees C?
asked by Ashley 
Computers
An architecture provides a framework within which to identify, design, code and test the components or subsystems required for your game. It is necessary to know the purpose of each subsystem, what they exactly do, and which other subsystems they
asked by Olumide Adesiyan 
Chemistry
A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].
asked by Anonymous 
Physics waves check answers please
1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b)
asked by Liz 
Precalculus
I know I posted this question already ,but I posted the wrong one.... Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' INTERSECT C {?} I meant INTERSECT not union! My
asked by Anonymous 
physics
A 1.50 ✕ 103 kg car starts from rest and accelerates uniformly to 17.1 m/s in 12.7 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. W (b) Find the instantaneous power output of
asked by Anonymous 
physics
how many gram of ice at 0 c can be melted by the heat released when one gram of steam condense to water at 100 c check my answer please and you deman i am sorry by accident i post it the previous question solution Qcold=Qhot MLf(ice)=MlV(water) Mice =
asked by Mohanad 
science: biology
The hyena is a carnivore. Justin claims that hyenas need plants to survive, but Kaden says that they don't because they only eat meat. Who is correct and why?
asked by Anonymous 
chem
what is the balanced equation for ozone gas reacts with 2,3,4,5tetramethylheptane, CH3CH(CH3)CH(CH3)CH(CH3)CH(CH3)CH2CH3 , to produce carbon dioxide gas, CO2 , and water vapor, H2O
asked by Kasia 
U.S History DBQ (Pls check my answer)
Document 2  As the woman suffrage movement gained momentum, Booker T. Washington issued the following statement to the New York Times: I am in favor of every measure that will give to woman, the opportunity to develop to the highest possible extent, her
asked by Cassidy 
Physics
Calculate the number of H2O molecules in a human body of mass 65.9 kg. Assume that, on average, water makes up 62% of the mass of a human body. (Use 1.0 u for the atomic mass of hydrogen, and 16.0 u for the atomic mass of oxygen.)
asked by Steve 
Statistics
the average numbers of hours a cat sleep is approximately normally distributed with a mean of 15 hours and a standard deviation of 1.7 hours; what percentage of cats sleep between 13 and 18 hours
asked by Belinda 
epidemiology
In another study, the smoking habits of 34,445 male physicians were obtained by mailed questionnaires. Deaths among these physicians over the subsequent years were identified though contact with the office of the Registrar General. The death rates from
asked by Tracy 
Oscillations
The E string of a violin has a linear density of 0.5 g / m and is subjected to a 80N of tension, tuned for a frequency = 660 Hz a) What is the length of the rope?
asked by Vinicius 
algebra
x5−8x4+28x3−56x2+64x−32=0
asked by Sam 
Biology
Punnett Square Help 1) Set up a Dihybrid cross for these two traits (pod color and shape) Note:Green pods are dominate over yellow pods and inflated pods are dominant over constricted pods Start off with both parents as heterozygotes/hybrids for BOTH
asked by Sarah 
Scoiolgy
__________ is credited with being the place where the Industrial Revolution began in 1765. A. The United States B. Great Britain C. Germany D. France B
asked by Angela 
Chemistry
Oxygen gas is commonly sold in 48.0L steel containers at a pressure of 130atm .What volume (in liters) would the gas occupy if its temperature was raised from 20.5∘C to 40.0∘C at constant 130atm ?
asked by Tyler 
Chemistry
A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].
asked by Anonymous 
math/ratio
apples,oranges and pears are packed into a basket in the ratio 3:5:1. there are 12 more oranges and pears than apples.how many fruits are there altogether?
asked by wan 
Maths
How can I write an equivalent expression to the expression below ( 17 x93) / ( 17 x 97
asked by Pinks 
Physics waves check answers please
1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? my answer: I got 10 mm but I'm not sure if it is the correct answer. 2. For two connect pendulums to resonate, they must have the same: a) mass b)
asked by Liz 
Calculus
The following are about an infinite region in the 1st quadrant between y=e^x and the xaxis. B)Find the volume of the solid generated by revolving the region about the yaxis Part A was solved below. Does anyone know how to do Part B?
asked by Tim 
science
Given the following reaction: CaC2 + 2 H2O C2H2 + Ca(OH)2 How many moles of Ca(OH)2 will be produced if 5.800 g of CaC2 are reacted completely?
asked by jay 
Math
If I spend 2/3 of my allowance on CDs and 1/6 on DVDs how much did I save
asked by Kyla 
CALCULUS
two birds are flying along in 3space. At time t, the first bird is at the point (x,y,z) on the line
asked by AIRA 
Math
A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is
asked by Lucas 
history grade 3
What happened to the immigrants while they were at Ellis Island?
asked by kathy 
statistics
If 30% of people in an area are registered voters and 15 people are selected at random from the area: A. what is the probability that at most 3 out of the 15 people are registered voters? B. could we have used the normal approximation to the binomial in
asked by Mark 
Scoiolgy
__________ is a position in life that one does not choose, but is awarded at birth or is related to the life course. A. Achieved status B. Status set C. Ascribed status D. Master status C
asked by Angela 
phys
A wheel starts from rest and has an angular acceleration of 4.0 rad/s^(2). When it has made 10 rev its angular velocity is:
asked by jay 
chemistry
What is the net ionic equations for: 1. Arsenic(III) iodide + Sodium sulfide 2. Lead(II) nitrate + Ammonium oxalate 3. Magnesium chromate + Copper(II) sulfate
asked by Collin 
math
Martin rides to Cambridge 30 miles away from home at the average rate of 10 miles per hour.He returns on a better road that is 50% longer where he can increase his rate by 100%.How much time does he save by taking the better road on his return trip? a. 2
asked by thomas 
Math HELP HELP
what about this one On a voyage to Atlantis, Ariel from The Little Mermaid decided to pick up shells so that she could make necklaces for her mermaid friends. She picked up 30 green shells, 35 blue shells, and 30 yellow shells. 17 of the green shells had
asked by Alice urgent 
chemistry
estimate the mass of BaSO4 that will be produced when a 100ml of a 2M solution of Ba(NO3)2 in water is added toa 100ml of a 2M solution of NaSO4 in water
asked by Alex 
GEOMETRY
ok so the question is The Great Pyramid at Giza has a sqaure base with sides if length 230 meters and a height of 146.7 meters ???
asked by PLEASE HELP 
math
The number of diagonals, d, in a polygon of n sides is given by the formula d=n^23n/2. If a polygon has 90 diagonals, how many sides has it? a. 8 b. 10 c. 12 d. 15 e. 20 please answer and explain
asked by thomas 
ENG 098
Can you convince people NOT to eat Oreos? Think of a famous person like an athlete, an actor, politician, or talk show hosts. Write two paragraphs: one to convince this person to purchase OREOS and another to convince this person not to purchase OREOS. You
asked by Serria 
maths
Simi reads 5/9 pages of a book. Gauri reads 1/2 part of the book. If Simi reads 5 pages more. What is the total number of pages in the book?
asked by Nyami 
math
Use this rule to find the number of feet of lumber in a log:"Take 4 inches off the diameter of the log, multiply the remainder ( in inches ) by one half ot itself, then by the length of the log in feet, and divide the product by 8." According to this rule,
asked by thomas 
GEOMETRY !
***Sorry i forgot to add the actual question The Great Pyramid at Giza has a sqaure base with sides of length 230 meters and a height of 146.7 meters What is the volume
asked by PLEASE HELP 
Epidemiology
Evidence of an increased risk of lung cancer associated with cigarette smoking was sought by Doll and Hill. In one study, 649 lung cancer cases were matched by age, and gender to 649 controls; 647 of the cases and 622 of the control had a history of
asked by Tracy 
Math
bills' trail mix has 6 cups of walnuts and 10 cups of cranberries. using the same recipe, how many cups of walnuts go with 15 cups of cranberries
asked by Mateo 
Chemistry
At a pressure of 103kPa and a temperature of 22 degrees C, 52.9 g of a certain gas has a volume of 31.5 L. what is the identity of this gas?
asked by Addy 
AlgebraII( Probability)
1)a number less than 35 is chosen. 2)A prime number is chosen. 3) A multiple of 4 is chosen. 4)A perfect cube is chosen. Please help me.
asked by Sasha 
Chemistry
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as antiknocking agents. A 3.279 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment. The products
asked by Annabelle 
Math
What is the Schlafli Notation?
asked by Sara 
math
Steve earned scores of 96 and 87 on his first two exams. What will his average grade be if he gets a 72 on his third exam?
asked by sha 
history
Theodore Roosevelt’s life was perhaps the perfect symbol for the United States. Which of the following was he not known for
asked by debie 
statistics
A random sample of 49 credit ratings is obtained, and it is found that they have a (sample) mean of 679.3 and a sample standard deviation of 95.9. Using a 0.05 level of significance, test the claim that these credit ratings are from a population with a
asked by Parker 
Statistics
A simple random sample of 27 adult mice has a length standard deviation of 0.66 mm. Using a 0.10 level of significance, does it appear that these mice come from a population with a length standard deviation of 0.87 mm?
asked by Parker 
english
plzzzz someone help fast i need to complete my aasignment tell me some points on unsafety of children in school buses and vans
asked by betu 
Biology
The gene encoding for body color in zombie flies is "Xlinked". Gray bodies are the wildtype trait and blue bodies are caused by a mutation  Set up a cross between a male with a blue body and a female who is homozygous dominant for a gray body. Indicate
asked by Sarah 
Precalculus
For this problem I drew a Venn diagram.. Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' union C {?} My answer: The apostrophe stands for negation! According to my Venn
asked by Anonymous 
history grade 3
Why did the immigrants have to go to Ellis Island
asked by kathy 
history grade 3
What happened to the immigrants when they left Ellis Island?
asked by kathy 
modern wo rld history
high school Did Kennedy avert the Cuban Missile Crisis?
asked by kathy 
Help
If upon retirement in 20 years Greg plans to invest 800,000 in a fund that earns 4 percent, What is the maximum annual withdrawal he can make over the following 15 years
asked by Anonymous 
government
What challenges does the United nations face in protecting human rights
asked by snow 
Chemistry
At 25C, an equilibrium mixture of gases con tains 0.00680 mol/L PCl3, 0.0290 mol/L Cl2, and 0.00500 mol/L PCl5. PCl5(g) ⇀ ↽ PCl3(g) + Cl2(g) What is the equilibrium constant for the reaction? How would I do this? I'm so confused!
asked by Sara 
Math
Write the inequality and solve: The product of a number and 7 is less than 28
asked by Ann 
U.S. History/U.S. government
What does the fourth amendment basically say/protect?
asked by INeedHelp 
geometry
How would i Solve this ?? Secants DB and DE intersect the circle at F and C, respectively Screen shot below remove "()" What is length of DF I forgot the formula
asked by D. 
MATH
JOSH CAN JOG 1 AND 1 THIRD MILES IN A QUARTER OF AN HOUR. WHAT IS HIS AVERAGE SPEED IN MILES PER HOUR
asked by SHAMPOW 
Calculus
The following are about an infinite region in the 1st quadrant between y=e^x and the xaxis. A) Find the area of the region B)Find the volume of the solid generated by revolving the region about the yaxis
asked by Tim 
math
A stick 35 inches long is to be cut so that one piece is 1/4 as long as the other. How many inches long must the shorter piece be? a. 5 b. 7 c. 10 d. 12 e. 15 please answer and explain
asked by thomas 
Linear algebra
Consider for every real number a the linear system of equations: { x +( a + 1 )y + a^2 z = a^3 { ( 1  a )x +( 1  2a )y = a^3 { x +( a + 1 )y + az = a^2 b)Find the values of a for which the system has no solution, infinitely many solutions, and a unique
asked by Elissa 
Math emergency I have 10 minutes to submit it.
Find the area of the shaded region. y= 0 y= x^42x^3
asked by Mia 
research
what is the research problem discussed in the article: UNDER SURVEILLANCE: AN EMPIRICAL TEST OF THE EFFECTIVENESS AND CONSEQUENCES OF ELECTRONIC MONITORING? I have read this and I am totally lost. Please help
asked by jo 
English Essay
I'm writing an essay for To Kill A Mockingbird and the claim I came up for my essay is "Children are never too young to understand the realities of life." I'm writing the extended paragraph right now where I have to come up with a good example from the
asked by Emma 
physics
A highway is made of concrete slabs that are 14.0 m long at 20° C. (a) If the temperature range at the location of the highway is from 17.8° C to +40.8° C, what size expansion gap should be left (at 20° C) to prevent buckling of the highway? (b) How
asked by Steve 
math (2)
Find the area of the shaded region y= 2x/(x^2+4) from x= 2 and x= 2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks
asked by Mia 
All subjects
I was wondering, what/how is the best way to study for a test?
asked by Niall 
math
A pond 100 feet in diameter is surrounded by a circular grass walk which is 2 feet wide .The number of square feet of grass on the walk is a. 4 pi b. 20 pi c. 196 pi d. 204pi e. 270 pi please answer and explain
asked by thomas 
networks
For N=4, L=4032, B=9600,P=1024,H=16,S=0.2, D=0.001, compute the endtoend delay for circuit switching.
asked by PLSSSS HELP 
networks
Provide examples of an application most suited for circuit switching and packet switching
asked by Olumide Adesiyan 
Physics
A cue ball collides with two other snooker balls and comes to a complete stop. The angles between the centres at the point of collision are shown below. If the velocity of the incoming cue ball is 5 m/s, determine the velocities of all moving balls after
asked by Olumide Adesiyan 
networks
Could someone explain message switching in a way ill understand it pls
asked by Olumide Adesiyan 
informal logic
To criticize a deductive argument logically, one might:
asked by Anonymous 
Math urgent
Z/26=4 What does z equal? Please show your work.
asked by Sarah 
College algebra
This year the state highway department in Montana purchased 276 identical trucks for official use. The purchased price was 5,680,088. Due to budget shortfall next year the department plans to purchase only 69 cars and 119 trucks. It will be charged the
asked by Anonymous 
CALCULUS
Determine the intervals for which the curve r(t)=4sin^3(t)i + 7cos^3(t)j is smooth on [0,2pai]
asked by AIRA 
Physics
A ammeter is to be constructed using a galvanometer that has a 2.00 mA fullscale deflection and internal resistance of 50.0 ohms. It must be good enough to detect 40 mA, which is the max current. How would one do this? How would you make a voltmeter able
asked by Anonymous 
Math
What is the interest due on $57,000 at 7 1/2% from June 2008 until today
asked by Barbara 
math
determine the intervals for which the curve r(t)=4sin^3(t)i+7cos^3(t)j is smooth on [0,2π
asked by katie 
Chemistry
dose the gasoline react with HCL 28%? if OK, what is its equation? Thanks
asked by Ramtin 
math
train a moving at 30km/hr passes station at 08:00.A train B travelling the same way at 45km/hr passes this station at 08:30, at what time will train B overtake A please can someone explain to me
asked by wan 
algebra
George has 25 marbles. he wants to divide them into two amounts hat show a ratio of 2:3 how many marbles are in each group?
asked by Katie 
math ratio
a:b=2:3,b:c=5:6 and c:d=3:8. FIND THE RATIO A:B:C:D.
asked by wan 
Statistics
A simple random sample of 27 adult mice has a length standard deviation of 0.66 mm. Using a 0.10 level of significance, does it appear that these mice come from a population with a length standard deviation of 0.87 mm?
asked by Allison 
Economics
what are welfare payments or consumer subsidies?
asked by sinesihle 
MATHS
SOLVE X/2+2Y/3=1 AND XY/3=3USING SUBSTITUTION AND ELIMINATION METHOD
asked by ANOSHA 
science
a decrease in food miles will likely increase the environmental impact of any given food points. True or false
asked by eieen 
math
Formerly 1/6 of a pie cost 20 cents.Now the price of 1/8 of a pie is 30 cents.The per cent increase is a. 10% b. 20% c. 33 1/3% d. 50% e. 100% My answer is d, anybody can tell me right or wrong, if wrong tell me the answer 1/6 cost 20 cent 1/8 cost 30 cent
asked by thomas 
Math  Trigonomety
A plane is flying at a height of 1000 feet. A passenger on the plane sees a tree and realizes the angle of depression to the top of the tree is 15 degrees and the angle of depression to the bottom of the tree is 25 degrees. How tall is the tree?
asked by Caleb 
Statistics
The claim that "38% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable job was available," is to be investigated at the 0.02 level of risk. If 86 out of the 200 workers sampled said they would return
asked by Ryan 
english
tell me some points on unsafety of children in school buses and vans
asked by betu 
Math
A model plane flies 18ft per 2 seconds. What is the plane's speed in miles per hour? Round to the nearest tenths.
asked by Bill 
grammar
how can I write an acrostic for the world fantasic
asked by denise 
Math
Solve: 5/6x 3=12
asked by Nancy 
english
I need to make a alternative cover and blurb for the book skellig, I have already done the corve I am stuck on the blurb. Help!!
asked by adam 
Math
Evaluate 3 *x^2+2*y^2 for x=1 and y=4
asked by Beth 
Algebra 1b
An object 8.1 feet tall casts a shadow that is 24.3 feet long. How long in feet would the shadow be for an object which is 19.5 feet tall?
asked by Kim Williams 
Math
How many different ways can you write a^(m/n)?
asked by Belle 
Math
a random sample of 28 patients across the country had an average cost of 5250 with a standard deviation of 629.at a= 0.025 can it be concluded that the mean is less than 5400
asked by Anonymous 
Psycholohy
One way to measure the validity of a test would be to: you were testing for:
asked by James 
math
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = 9x2 + 2x + 4.
asked by Sue 
The Metamorphosis by Franz Kafka
In "The Metamorphosis" Part 1, Gregor stated that if it wasn't for his parents' debt, he would have given his notice at work long ago. What does this suggest about his transformation? A) It had actually been years in the making. B) It was evident only to
asked by Isabella 
math
At the end of spring training a football coach discharged 1/5 of his squad and asked the remaining 32 boysw to report on Labor Day. The number of boys on the squad at the end of spring training was a. 40 b. 80 c. 100 d. 120 e. 160 please answer and explain
asked by thomas 
English 9
Ok. well i we have to make a poem for Shakespeare birthday and it has to be 2 lines but i have no ideas and its super confusing !
asked by ENGLISH NOOB 
Physics
If a car engine has a power,P. Write an expression for the time it will take to accelerate from w to 4w. Note that P=wt where t is torque.
asked by Jose 
English 9
Like i get that example but unforunutly i wouldnt be able to use that because if she searched she would say im plagiarizing :'( Soo. Would this work P.S. do u see reply if i stay on same question ?? William Shakespeare was literature's Jewel He shouldn't
asked by ENGLISH NOOB 
math
AOD is a diameter of circle O. The coordinates of points A and D are (11,5)and (3,5)Find the area of circle O. a. 9 pi b. 16 pi c. 25 pi d. 64 pi e. 116 pi please answer and explain
asked by thomas 
math
If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
asked by thomas 
Chemistry
comparing and contrasting why is sodium hydrogen carbonate an effective antacid but sodium hydroxide is not?
asked by Luke 
Chemistry
comparing and contrasting why is sodium hydrogen carbonate an effective antacid but sodium hydroxide is not?
asked by Andrea 
Statistics
What percentage of cats sleep less than 10 hours? What percentage sleep more than 20 hours
asked by Belinda 
CALC 2
The position of particle P at time t is given by {x=t, y=3t1} and the position of particle Q at time t is given by {x=4t(t^2), y=t+1} a) Sketch both paths as well as possible. Be sure to label the paths with the particles (P and Q) traveling on each of
asked by BAE 
Science
What contribution does the African elephant make to the world.
asked by Kayla 
math
is 100 over 1000 10%?
asked by Kris 
grammar
In addition to having common personality traits with my mother, I also play the same two instruments my mother did when she was young. How to improve this sentence?
asked by Anonymous 
Statistics
A simple random sample of 27 adult mice has a length standard deviation of 0.66 mm. Using a 0.10 level of significance, does it appear that these mice come from a population with a length standard deviation of 0.87 mm?
asked by Allison 
grammar
My sister and I share a three year age gap as she is twenty one while I am eighteen. how to improve this sentence
asked by Anonymous 
math
The oil burner in a certain house is used to heat the house and to heat the hot water.During the seven cold months when the house is heated, an average of 200 gallons of oil a month is used.In the remaining five months, when the house is not heated, a
asked by thomas