Questions Asked on
November 22, 2015

math
Which of the below data sets has the lowest standard deviation? You do not need to calculate the exact standard deviations to answer this question. 0, 1, 2, 3, 4, 5, 6 0, 25, 50, 100, 125, 150, 1000 0, 1, 3, 3, 3, 5, 6 0, 0, 0, 100, 200, 200, 200
asked by vicke 
Chemistry
Rank the following in order of increasing bond polarity: HF, HBr, FF, NaCl. Is it this....? FF, HBr, HF, NaCl
asked by Christina 
English
Choose the option that corrects the error in the "quote". If no error exists, choose "No change is necessary." Bill, the foreman of the construction company, is concerned about the safety in the large building. "They have had" three accidents in the past
asked by Jim 
English
Combine these two simple sentences into a complex sentence. Many industrialized nations use the metric system. The United States refuses to adopt it. A. Although many industrialized nations use the metric system, the United States refuses to adopt it. B.
asked by Jim 
Chemistry
Anthracene is a yellow, crystalline solid found in coal tar. Complete this structure for anthracene, C14H10, by adding bonds and hydrogen atoms as necessary. What type of hybrid orbitals are utilized by carbon in anthracene? >>sp3 How many σ bonds and π
asked by Dan 
Chemistry
For which element is the gaining of an electron most exothermic? a)Li b)N c)F d)B *explain
asked by Mark 
Chemistry
1. Which molecule should have the higher dipole moment, and why? a) COF2 because it contains more F atoms. b) COFH because the polar bonds in COF2 nearly cancel each other out. c)COF2 because it contains more lone pairs. >> I think the answer is a)?
asked by Dan 
English
Choose the sentence that is written in active voice. A. A serious accident was prevented on the highway by Roger's quick thinking. B. Roger's quick thinking prevented a serious accident on the highway. C. A serious accident was prevented on the highway. D.
asked by Sam 
Chemistry
What is the pressure of 1.78 g of nitrogen gas confined to a volume of .118 L and 25 degrees Celsius?
asked by Lyndsay 
math
A loan has a due date of December 20. If it is made on September 19, for how many days is the loan?
asked by Anonymous 
Math
If an adult male is told that his height is within two standard deviation of the means of the normal distribution of height of adult males, what can we assume?
asked by Anonymous 
Math
How many times does 24 go into 150
asked by Anonymous 
Chemistry
The reaction 2H2S(g)⇌2H2(g)+S2(g) Kc=1.67×10−7 at 800∘C is carried out with the following initial concentrations: [H2S] = 0.300 M , [H2] =0.300 M , and [S2] = 0.00 M. Find the equilibrium concentration of [S2].
asked by hoooo 
technoligy
1. What column do you put the deposits in when you are balancing your checkbook a=date b=transaction c=debit d=credit 2. when creating a formula for balancing in a checkbook, what do you subtract from the credits? a=debits b=check numbers c=transaction
asked by Abby 
Orgo
An oxygencontaining compound which shows sharp IR absorption at 2200 cm1 and 3300 cm1 is likely to be what type of compound? I picked alkYne, but the answer is alkEne. Please explain!
asked by chemmy 
Physics IB
A speeder passes a parked police car at a constant speed of 27.3 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.55 m/s2 . a) How much time passes before the speeder is overtaken by the police car? b) How far does the
asked by Isabel Delaney 
P.E/Health
1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential nutrient? A. protein B. fat C. carbohydrate*** D. minerals
asked by Cami 
math
a trapezoid has an area of 36 meters squared and altitude of 2 meters. its two bases in meters have ratio of 4:5 the bases are ___.
asked by aira 
Physics
Using the data in the table below,determine how many calories are needed to change 100g of solid x at 10degrees celcious to a vapour at 210degrees celcious:thermodynamic constants for substance x: heat of fusion 40,0cal/g heat of vaporization 150,0cal/g
asked by John 
Math
Onequarter of a bread recipe calls for 2/3 cup of bread flour. How many cups are needed per recipe?
asked by Lily 
PHYSICS
1. Write an expression for a R  state lightwave of angular frequency and amplitude E0 propagating in the positive xdirection such that at t=0 and x=0 the Efield points in the negative zdirection.
asked by NOONY 
statistics
In a recent season, the population standard deviation of the yards per carry for all running backs was 1.241.24. The yards per carry of 25 randomly selected running backs are shown below. Assume the yards per carry are normally distributed. 1.81.8
asked by tanya 
math
A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment. The Fratio for this analysis would have what df values?
asked by k 
math
A 26ft ladder leans against a building so that the angle between the ground and the ladder is 75∘.
asked by vicke 
Physics 1100
In a tug of war, two teams pull on opposite ends of a rope, attempting to pull the other team across a dividing line. Team A accelerates toward team B at the rate of 0.106 m/s2. Find all the horizontal forces acting on each team if the weight of each team
asked by Tess 
Art
when criticizing an artists techincal skills the critic should consider 1)his personal opinion of the artwork 2)the style of the artwork 3) the creativity of the artwork 4) the beauty of the artwork I think it's 1)
asked by trololololololololol 
math
if a gocart rider is traveling at 12 miles per hour how many hours will it take him to travel 3 miles? round your answer to the nearest hunderths place
asked by misty 
science
A glass bottle has a volume of 1L and weighs 500g. When half filled with oil, it weighs 1750g. What is the density of the oil in the bottle?
asked by Karen 
science
As the moon revolves around the Earth, it also rotates on its axis. Why is it that the the same side of the moon is always visible from Earth?
asked by Lakshmi 
Math
a steel drum has a base with a radius of 2 feet and a height of 4 feet. What is its volume in cubic feet?
asked by Horun 
Math
In a normal distribution, approximately what percentage of data items fall within one standard deviation of the mean(in both directions)?
asked by Anonymous 
PreAlgebra
1.Write the ratio in the simplest form 45:15 9:3 3:1*** 1:3 4:1 2.Solve the following proportion p/6 =7/8 p=5.25*** p=8 p10.5 p=42 3.James has a model helicopter. The model is 8 inches long and 7 inches wide. The actual helicopter is 56 inches long. What
asked by Cami 
English
In the Call of the Wild, Buck’s memories and wild yearnings are represented by visions of John*** Spitz The hairy man The man in the red sweater
asked by Kaai97 
English
I have to write a compare and contrast essay on "the pedestrian ,"the murderer" , and "there will come soft rains"  I need help choosing 3 things to compare in each story
asked by Sara 
Geometry
divide a triangle by the three medians. Prove that the area of those 6 sections are congruent.
asked by Anonymous 
College Physics buoyancy problem
To an order of magnitude, how many heliumfilled toy balloons would be required to lift you? Because helium is an irreplaceable resource, develop a theoretical answer rather than an experimental answer. Assume that you have a mass of approximately 70 kg,
asked by Dumb Student 
English grammar
After reading the book she kept it in the cupboard underline the verb in the sentence and state its tense
asked by S.sehran 
math
Susan counted a total of 36 red and green cars in the parking lot. There were 8 times as many red cars as green cars. How many red cars did Susan count.
asked by TT 
Math
Evaluate the series 12.1 + 13 +13.9 +...+ 32.8.
asked by Melissa 
Math
Find the sum of the first five terms of a geometric series with g1 = 16, g5 = 38,316, and r = 7.
asked by Melissa 
Math
How many arrays are there for modeling a rectangular quilt with 24 paper squares?
asked by Anonymous 
math
Consider two types of nonlinear equations. What unique quality does each possess and how does that quality cause the graph's unique shape? Name two unique examples of these shapes in realworld situations would someone please let me know what they get for
asked by Abby 
Chemistry
Calculate the molar concentration for each of the following. a)The concentration of a brine solution containing 225 g for pure sodium chloride dissolved in 4.00 L of solution. b)The volume that must be added to 4.2 mol of magnesium chloride to make a 0.045
asked by Lyn 
scenice
A woman gives birth to a son. What is the probability that her second child will be a girl? (1 point) 0 percent 25 percent 50 percent 100 percent
asked by noura 
math
the total surface area of a cylinder is 440 m square. find the height of cylinder if its radius is 7m.
asked by Aniket 
University
Chemistry The molar heat capacity of butane under constant pressure Cp=19.4 + 0.233 T J.mol' '.K' . Calculate the quantity of heat needed to increase the temperature from 27"C to 127 ° Cu under1 atm pressure.
asked by Zahra 
math/116
the function f computes the cost of tuition at a public college doing academic year x . find f(1995)
asked by kevin jones 
math
store that sells posters charges $ 7 a poster plus a fixed $ 1.50 for shipping and handling. *1*Write a rule c (p) that describes the relationship between the number of posters p and the total cost for the posters (c)? *2*What is the charge for four
asked by maryam 
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?
asked by Malcolm 
algebra
The area of a rectangle is 80ft square two. determine the length and width if the length is 5 times the width. Write the equation and solve.
asked by jesus 
math
A cubical water tank has edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Write down the equation of the line whose gradient is 3/2 and which passes through P, where P divides the line segment joining A(2,6) and B(3,4) in
asked by reshma 
Math
a steel drum has a base with a radius of 2 feet and a height of 4 feet. What is its volume in cubic feet?
asked by Horun 
Maths
A stone is thrown up at an angle of 30degrees to the horizontal with a speed of 20metres per second from the edge of a cliff 15m above sea level, so that the stone lands in the sea. Find how long the stone is in the air and how far from the base of the
asked by Viviana 
Calculus
Calculate μ and σ, where σ is the standard deviation, defined by the following. σ^2 = integral between (−∞,∞) (xμ)^2 p(x) dx The smaller the value of σ the more tightly clustered are the values of the random variable X about the mean μ. p(x)
asked by Anonymous 
Science
A rocket with mass 20000kg is launched straight upwards. the rocket experience an average drag force ( air resistance ) of 15000 N. What thrust force will be necessary for the rocket to maintain an acceleration of 4.5m/s square upwards?
asked by Ralphkim 
hi
Hi Ms. Sue happy thanksgiving :)
asked by goldensparklegirl222 
physics
A(n) 2165.7 kg car is coasting along a level road at 35.5 m/s. A constant braking force is applied, such that the car is stopped in a distance of 52.7 m. What is the magnitude of the braking force? Answer in units of N.
asked by Saykar 
Ps 327x math
A spherical tank has a radius of 60 centimeter. Find the maximum volume of water the tank can hold.
asked by Tyrell 
Math
What is the equation of the parabola with xintercepts 1 and 3, and that passes through (–1, 16)
asked by XOXOX 
chemistry
Sketch the phase diagram of argon, Ar, from the following information: Normal melting point = –187°C Normal boiling point = ‒186°C Triple point = ‒189°C, 0.68 atm Critical point = ‒122°C, 48 atm Label the triple point, critical point and each
asked by elan 
English
1.Which of the following sentences is punctuated correctly ? A.Zeus , the king of the gods , is father of Athena*** B.Zeus the king of the gods , is father of Athena C.Zeus, the king of the gods is father to Athena D.Zeus the king of the gods is father ,
asked by GummyBears 
Algebra
The second of three numbers is three times the first. The third is 5 more than the second. if the second is decreased by twice the third number, the result is five? x 3x 3x2(3X)=5 x= 3/5 ?
asked by NIck 
English
demise of hiphop lyrics
asked by Yasmine 
Physics
Two objects of different masses are joined by a light rod. a) Id the moment of inertia about the center of mas the minimum or maximum and why? b) If the two masses are 3kg and 5kg and the length of the rod is 2m, what are the moments of inertia of the
asked by Anna 
Math
You are shipping a care package to your sister in college. It costs $0.85 per pound plus a flatfee of $12 to ship the package. Write and use an algebraic expression to find the total cost of shipping a 7 pound care package.
asked by BananaBread 
Math
Hi Ms. Sue. My daughter Sam just started multiplication and is having trouble with the problem 2 times 2. Can you explain how to do it so I can help her out?
asked by Meg 
Calculus
How do you integrate e^(t/r) dt?
asked by Sanaya 
Math
• At Sanford Brown Online, 70% of the students are men and 30% of the students are women. • If the average age of the men is 35, and the average age of the women is 45, what is the average age of all of the students?
asked by Anonymous 
math
How many pounds of mixed nuts selling for $4.50 a pound should be mixed with 20 lbs of dried fruit selling for $5.50 a pound to obtain a trail mix that sells for $5 a pound?
asked by Anonymous 
Math
Rewrite these numbers from least to greatest 2/3 0 3/2 9/8 8/7
asked by Jade Pustam 
physics
What is the difference in blood pressure (mmHg) between the bottom of the feet and the top of the head of a 1.57mtall person standing vertically? 1 mmHg = 133 N/m2. The density of blood is 1050 kg/m3.
asked by arshi 
economics
Entrepreneurs in the shoeshine stand business earn 11000 a year Joe pays the rent of 500 a year and his total revenue is 16000 a year.he borrowed 600 at 20 percent a year to buy equipment.at the end of the year Joe offered 400 for his business and all his
asked by Louis 
math
Jessica buys a lamp that costs $35 and a table that costs $75.00. If the tax rate is 10%, what will be the total cost of the lamp and table?
asked by Anonymous 
PreAlgebra
A ball is thrown straight up at 46 feet per second from about 6 feet above the ground. How long will it take for the ball to reach a height of 39 feet?
asked by John 
allied school
glady swan slipped from a sidewalk curb and twisted her right ankle. because of the severe pain cpt codes icd 9 codes icd codes
asked by ron 
social studies
which provision of the articles of confederation represents one way that the articles stressed the independence of the separate states?
asked by patty 
Moorpark
Determine the concentration of NO3 in each of the following aqueous solutions. (Assume complete dissociation of each compound.) 0.30 M KNO3, 0.30 M Ca(NO3)2, 0.30 M Cr(NO3)3
asked by Nicole 
P.s.176
Marine practiced her basketball dribbling. After two weeks she had bounced the ball 88 times.on the second try she had 2 fewer bounces than eight times the number of bounces she had on the first try. How many bounces did she have on the second try?
asked by Shaunte 
language arts
What is evidence preview for a paper include? I have a very picky teacher and I've tried everything
asked by rian 
Christopher Columbus vs. First man in Space
What are some comparisons and contrasts of Christopher Columbus and the first man in space?
asked by Aelia T.123 
Physics
Which needs more energy: to heat 5 kg of copper from 20 degrees celcius to 50 degrees celcius or to heat 0.5 kg of water from 20 degrees celcius to 50 degrees celcius?
asked by Ann 
Physics
To an order of magnitude, how many heliumfilled toy balloons would be required to lift you? Because helium is an irreplaceable resource, develop a theoretical answer rather than an experimental answer. Assume that you have a mass of approximately 70 kg,
asked by Student who needs help 
Critical thinking
I've seen these questions asked today/yesterday (and answered) but I just wanted someone to check over my answers to see if they make sense. 1. Assume that the conclusion of an argument is the claim: It is wrong to inflict suffering on animals. For each of
asked by Dan 
chem
make an aqueous solution of 0.176 M copper(II) chloride for an experiment in lab, using a 300 mL volumetric flask. How much solid copper(II) chloride should you add
asked by Barb 
Physics
an elastic band is stretched a distance of 0.150m by a force of 100.0
asked by Anonymous 
Chemistry
Why does carbonate have a 2 charge and not 1? Why does phosphate have a 3 charge and not 2 or 1? Why does nitrate have a 1 charge and not 2 or 3? My answer: Based on the Lewis structure, these ions need a certain number of electrons in order to be
asked by Christina 
Science
The man lifted the 15 pound weight 2 feet above his head. How much work was done?
asked by Hannah 
PHYSICS
Given a plane harmonic wave of wavelength , propagating with a speed v in a direction given by the unit vector (i ̂+ j ̂ )/√2 in Cartesian coordinates. Write an expression for the wave function. Here i ̂ ,j ̂,k ̂ are the usual unit basis vectors
asked by NOONY 
PHYSICS
A plane electromagnetic wave moving through free space has an E field given by E_x=0; E_y=0; E_z=100 sin[8π×〖10〗^14 (t x/(3×〖10〗^8 ))]. Calculate the corresponding flux density.
asked by NOONY 
chemistry
a 10.0 ml sample of a hcl solution is titrated with 32.6 ml of a 0.155 m naoh solution. what is the equation for the neutralization reaction?
asked by lakeisha 
PHYSICS
Given a planar electromagnetic wave in vacuum whose Bfield is denoted by Bx = 0, Bz = 0, B_y = 66.7 × 〖10〗^(8) sin 4π〖10〗^6 (z3×〖10〗^8 t) Write an expression for the Efield. What are wavelength, speed and direction of motion of the
asked by NOONY 
Help Math PLZ
6. George Washington warned that political parties would (1 point) divide the nation. create lively debate.* help the nation. destroy states' rights. 7. Federalists believed in (1 point) free trade. state banks.* a national bank. rule by the people. 8.
asked by YOLO 
English
In the Call of the Wild, Buck’s memories and wild yearnings are represented by visions of John*** Spitz The hairy man The man in the red sweater
asked by Kaai97 
Physics
for every 10 m you descend below the surface of water, the pressure on you will increase by an amount equal to atmospheric pressure 101kpa. an air bubble in a lake has a volume of 20 mm^3 at a depth of 40m. predict what volume it will have just before
asked by Gersum 
Chemistry
Why does carbonate have a 2 charge and not 1? Why does phosphate have a 3 charge and not 2 or 1? Why does nitrate have a 1 charge and not 2 or 3? My answer: Based on the Lewis structure, these ions need a certain number of electrons in order to be
asked by Christina 
Calculus
Calculate μ and σ, where σ is the standard deviation, defined by the following. σ^2 = integral between (−∞,∞) (xμ)^2 p(x) dx The smaller the value of σ the more tightly clustered are the values of the random variable X about the mean μ. p(x)
asked by Christina 
english
Is this paragraph correct with capitalization and marks of punctuation Valentine’s Day is celebrated on February 14, as a romantic festival. People send their sweethearts greeting cards that say won’t you be my valentine? Children like to make their
asked by Jennifer 
7th grade math
Mike's school bus picks him up from his home. It travels 15 miles north and then travels 8 miles west to reach school. What is the shortest distance between Mike's home and his school?
asked by canaan 
Philosophy
I've seen these questions asked today/yesterday (and answered) but I just wanted someone to check over my answers to see if they make sense. 1. Assume that the conclusion of an argument is the claim: It is wrong to inflict suffering on animals. For each of
asked by Dan 
Science
an object of size 3 cm is place 10 cm away from the convex lens find the position nature and size of the images it focal length is 7 cm.
asked by Tarnan wa.vre 
math
The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30
asked by kamal 
Federal Income Tax or Tax Law
If Pauline transfers an asset to Frank and the asset is subject to a liability that is assumed by Frank, how does Frank's assumption of the liability affect the amount realized by Pauline on the transfer? How does Frank's assumption of the liability affect
asked by Lilly 
math
How many of the 2digit numbers, that can be formed by using the digits 1,2,3,.......,9 without repeating any digit, are divisible by4? If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible
asked by sachin 
physics
An object of size 3cm is placed 14cm in front of a concave lens of focal length 21cm calculate position and size of the image?
asked by Zainab 
physics
filament lamp: cost80p efficiency0.2 expected life 1000 hours compact fluorescent lamp (CFL): cost £3.00 efficiency0.8 expected life 8000 hours A filament lamp with a power rating of 100 w gives 2000 units of light. what power rating would a CFL
asked by sam 
Probabilitie
A weighted coin is flipped 200 times. Assume that the probability of a head is 0.3 and the probability of a tail is 0.7. Each flip is independent from the other flips. Let X be the total number of heads in the 200 flips. 1. What is the distribution of X ?
asked by Hhh 
Physical education
List 5 possible causes of violence BY players and list possible solutions to the problems (5 marks)
asked by Trinity 
english
Is this paragraph correct with the Capitalization and punctuation marks Valentine’s Day is celebrated on February 14, as a romantic festival. People send their sweethearts greeting cards that say “won’t you be my valentine”, Children like to make
asked by Jennifer 
calculas
i didnot under stand the question ? need help Gas is escaping a spherical balloon at the rate of 4 cm3 per minute. How fast is the surface area of the balloon shrinking when the radius of the balloon is 24 cm? Given volume of sphere is V = 4/3 πr^3and the
asked by Anonymous 
math
A Singaporean has assets of $5 billion.If he spends $10 every second,how long will it take for him to spend all his money
asked by Jazz 
Math
Solve the following system of equations by graphing. If the system is inconsistent or the equations are dependent, say so 5x2y=3 10x4y=6 I know the equations are dependent but I am confused on what is the solution set I'm thinking its (10x4y=6) but I'm
asked by Lataya 
Calculus
How do you integrate e^(t/r)?
asked by Sanaya 
math
A selection test consists of two parts, A and B. 75% of the candidates cleared part A and 60% cleared part B. 20% failed to clear either. What is the % of candidates who cleared one of the parts but failed to clear the other? Pls help me
asked by sachin 
College physics
a person drives northward (90 degrees) at 15m/s in a truck that weighs 2500kg. a second person driving a car that weighs 1600 kg drives southwest (225 degrees) at 16 m/s. They have a perfectly inelastic collision. What is the direction and speed of the two
asked by ben 
math
Find the height of a cuboid whose volume is 168 cubic metre and the area of the base is 28 square metre. The length of a reservoir is 2.5m. It's width is 2 m and its height is 4 m. If it is halffilled with water, find the volume of the water in the
asked by raj 
Math
The 1st term of a geometric sequence is 25 and the 6th term is 1/125. What is the 3rd term?
asked by Melissa 
probability
You have a bag with 3 red, 3 white, and 2 blue balls in it. You draw three balls without replacement. What is the probability that the 3rd ball chosen is blue?
asked by Anonymous 
english
I am still unable to figure out what is wrong with these sentences. The capitalization and punctuation. According to the popular book antiquities that was written in 1877, England began observing this holiday as early as 1446. The festival honored Juno the
asked by Jennifer