Questions Asked on
April 14, 2010

physics
Bumpers on cars are not of much use in a collision. To see why, calculate the average force a bumper would have to exert if it brought a 1200 kg car (a socalled "compact" model) to a rest in 15 cm when the car had an initial speed of 2 m/s (about 4.5
asked by brad 
Physics
As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.10 mi/h·s. In the adjoining bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant acceleration of 13.0 mi/h·s. Each vehicle
asked by Lisa 
Physics
A 225kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
asked by Nathan 
Geometry
a movie theater sells tickets for $9.00 each. Senior citizens receive a discount of $3.00. One evening the theater sold 636 tickets and took in $4974 in revenue. How many tickets were sold to senior citizens? [Hint: subtract the potential answer.] A. 386
asked by monique n 
Finance
Zeta Corporation has issued a $1,000 face value zerocoupon bond. Which of the following values is closest to the correct price for the bond if the appropriate discount rate is 8% and the bond matures in 8 years?
asked by Dantavis 
Physics
What is the kinetic energy of an automobile with a mass of 1250 kg traveling at a speed of 11 m/s?
asked by glenn 
Langusge Arts
Can you find 3 metaphors and 10 alliterations in this poem? THE Witch 1.She comes back night, in fearsome flight, 2. In garments black as pitch, 3.The queen of doom upon her broom, 4.The wild and wicked witch, 5.A cackling crone with brittle bones 6.And
asked by Ali 
Chemistry
A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157 of the compound produced 0.213g CO2 and 0.0310 g H20. In another experiment, it is found that 0.103g of the compound produces 0.0230 g NH3. What is the empirical formula
asked by Anonymous 
chemistry
If you start with 1.00 g NaCl and an excess of the other reactants, how many grams of Cl2 will be produced?
asked by brooke 
statistics
Suppose you want an 85 percent confidence level. What value would you use to multiply the standard error of the mean by?
asked by cheez 
Chemistrycheck my work
The equilibrium constant kc for the equation CS2 + 4H2 CH4 +2H2S at 900 C is 27.8. what is the value of kc for the following equation? 1/2CS2 + 2H2 1/2CH4 +H2S sqr root of 278=5.27?
asked by Anna 
chemistry
calculate the molarity of 30.0g of NaOH in 350. mL of NaOH solution
asked by Anonymous 
Chemistry
C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? From my understanding the equation is already balanced, correct? My
asked by Molly 
chemistry
If a gaseous mixture is made of 2.41 g of He and 2.79 g of Ne in a evacuated 1.04L container at 25 degrees Celcius, what will be the partial pressure of each gas and the total pressure in the container?
asked by Leilani 
Chemistry
I'm trying to find the solubility of Ca(OH)2 in .0125 mol/L aqueous NaOH. Here is my data: Vol of solution used per titration: 20mL Conc of HCl: .1201 mol/L Average Titre: 4.71 I need to calculte: 1. the TOTAL [OH] in the saturated solution of Ca(OH)2 in
asked by Kristin 
college physics
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. The fisherman sees that
asked by linda 
AP Calculus BC
A cylindrical tank is constructed to have a diameter of 5 meters and a height of 20 meters. Find the error in the volume if: (a) the diameter is exact but the height is 20.1 meters (b) the height is exact, but the diameter is 5.1 meters.
asked by J'vonte 
Chem
The equilibrium constant kc for the reaction N2(g)+ 3H(g)2NH3(g) at 450C is 0.159. Calculate the equilibrium composition when 1.00 mol N2 is mixed with 3.00 mol H2 in a 2.00L vessel. need help setting up the problem
asked by Anna 
Analogy
Analogy: broom is to sweep AS brush is to _____________ 5 letter word that starts with either scr, spr, str, or thr. I've been trying to figure this out but I can't. I need help.
asked by Sammy 
chemistry
How many grams of NaCl must react to produce 1.00 g Cl2?
asked by brigette 
chemistry
which of these salts is least soluble in water? 1. LiCl 2. RbCl 3. FeCl2 4. PbCl2
asked by alex 
Accounting Math
Please how do i calculate this problem. Your girlfriend just won the Power Ball lottery. She has the choice of $10,000,000 today or a 30year annuity of $500,000, with the first payment coming today. What rate of return is built into the annuity?
asked by Sparkle101 
Ag. Bio
This is the hardest question I can't figure out. Thanks =) 31. The word transcribe means "to write out," and the word translate means "to express in another language." Review the meanings of transcription and translation in genetics. How do the technical
asked by Abby 
chemistry check my work
the equilibriumconstant expression for a reaction is kc= [N2][H2O]2  [NO]2[H2] what is the equilibriumconstant expression when the equation for this reaction is halved and then reversed? 2NO + 2H2 > N2 + 2H2O NO + H2 > N + H2O N + H2O >
asked by Anna 
Calculus
Consider the solid that lies above the square (in the xyplane) R=[0,2]*[0,2], and below the elliptic paraboloid z=100−x^2−4y^2. (A) Estimate the volume by dividing R into 4 equal squares and choosing the sample points to lie in the lower left hand
asked by Salman 
Chemistry
When the Kelvin temperature of an enclosed gas doubles, the particles of the gas ____. a) strike the walls of the container with less force b) move faster c) decrease in volume d) decrease in average kinetic energy
asked by Megan 
chemistry
Kc=5.85x10^3 at 25 degrees C for the reaction N2O4(g)2NO2(g) fifteen(15.0) grams of N2O4 is confined in a 5.00L flask at 25 degrees C. Calculate(a) the number of moles of NO2 present at equilibrium and(b) the percentage of the original N2O4 that is
asked by confused 
math please check my work
a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f8 g92 h676000 i6760000 i think it is i(the 4th one) am i correct thank you for helping me
asked by anna 
chemistry
For a 0.001 molar solution of NH4HCO3, the van’t Hoff factor would be about a. 1. b. 2. c. 3. d. 4. e. 5.
asked by write2khin 
Math
A supporting wire is to be attached to the top of a 32foot antenna. If the wire must be anchored 32 feet from the base of the antenna, what length of wire is required? Please explain
asked by Mala 
chemistry
Trimellitic acid containing carbon, hydrogen, and oxygen has 51.44% C, 2.88% H, and 45.68% O. It can be obtained by oxidation of coal with nitric acid. A 2.416g sample of this compound was dissolved in 40.00 g of acetone, producing a solution that boils
asked by David 
French
What word is NORCETMAIN unscrambled in French?
asked by Allison 
college algebra
A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 4 feet longer than the length of a shelf. If 20 feet of lumber is available for the entire unit (including the shelves, but NOT the back of the bookcase), find the
asked by Anonymous 
Microbiology Biology 205
Can someone please help me with this question.... When you blow bubbles into a glass of water, the following reactions take place: H2O + CO2 a> H2CO3 b> H+ + HCO3 1. What type of reaction is a? 2. What does reaction b tell you about the type of
asked by Jessie T. 
physics
if a super dense material with a refractive index of 1.76 x10^7 what is the speed of light in this material
asked by paige 
calculus II
(A) 2 students are sharing a loaf of bread. Student A eats half of the loaf, then student B eats half of what remains, then student A eats half of what remains, and so on. How much of the loaf will each student eat? (B) 2 students are sharing a loaf of
asked by Harold 
college
the inverted image of a light bulb is formed on a screen located 9 metres from spherical mirror.the image is 4 times larger than the light bulb.determine the object distance
asked by thinkwell mashwama 
math
Liann works in the old time soda shoppe the shop sells shakes. a single shake uses 1/8 cup syrup, a double shake uses 1/4 cup syrup, a tripple milk shake uses 3/8 cup syrup. How many shakes can she make of each with 3 cups of syrup?
asked by nick 
ALevel Chemistry
How many alcohols (including both structural isomers and stereoisomers) can have the molecular formula C4H10O I know what structural and stereoisomers are but i want to know that whats the method to find the total number of isomers of this compound.
asked by Areeb 
US History
How did the Missouri Compromise cause the North and South to have even stronger feelings of sectionalism in the United States?
asked by James 
science
How many calories are absorbed by a sample of water with a mass of 500 grams as it changes from 50°C to 56°C? The specific heat capacity of water is 1.00 cal/g°C.
asked by sarah 
chem help!!
A sealed cylinder of gas contains nitrogen gas at 1.00 103 kPa pressure and a temperature of 14°C. The cylinder is left in the sun, and the temperature of the gas increases to 51°C. What is the new pressure in the cylinder?
asked by chandler 
trig
using the fact that 5pi/8=1/2(5pi/8) and the half angle identity for cos to find the exact (in terms of radicals) value of cos(5pi/8)
asked by charly 
accounting
Exercise 913: Accounts receivable turnover L.O. A1 The following information is from the annual financial statements of Lucilla Company. 2009 2008 2007 Net Sales $ 262,000 $ 193,000 $ 245,000 Accounts Receivable, net (yearend) 42,700 40,500 37,200
asked by bobbie 
Statistics
Which of the following plots is not appropriate for categorical data? a) dot plot b) bar graph c) pie graph d) segmented bar graph e) All are appropriate
asked by Sam 
language could you please check my work
true(t) or false (f) 1)f reading is not a real hobby 2)f an activity that is done outdoors is not a hobby 3)t photography is a popular hobby 4)t building a cabnint can be part of a hobby 5)f cooking is never considered recreation 6)t model building is very
asked by marina 
Chemistry
What happens whena nucleus is stabilized by losing alpha particles?
asked by Anonymous 
CDA
resources, materials, and translation services for families whose home language is other than English. Provide the agency name and contact information.
asked by Anonymous 
Chemistry
C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield?
asked by Molly 
PHYSICS PLS HELP
Internal resistance problem. Suppose that in Figure 3.3, Vo=13V, R1=250kphm, R2=375kohm, and Ri=1.9Mohm. Initially, the voltmeter is disconnected. EXAMPLES: What is the voltage across R2? [Answer: 7.8 V.] What is the voltage across R2 with the meter
asked by james 
chemistry
The reaction SO2 + 1/2O2 >SO3 has kp equal to 6.55 at 627C. what is the value of kc at this temperature? how do you set this up?
asked by Anna 
chemistry
A compressed gas cylinder contains 1.00 103 g of argon gas. The pressure inside the cylinder is 2035 psi (pounds per square inch) at a temperature of 15°C. How much gas remains in the cylinder if the pressure is decreased to 610. psi at a temperature of
asked by kristen 
Chemistry
A solution is prepared that has [NH3]=1.00M and [Cl]=0.100M. How many grams of AgNO3 can be dissolved in 1.00L of this solution without a precipitate of AgCl(s) forming? Ksp of AgCl = 1.8x10^10 Kf of [(Ag(NH3)2)+] = 1.6x10^7
asked by Jeannie 
Math
A survey of the 4707 vehicles on the campus of State University yielded the following circle graph. A pie graph is divded like this: 10% motorcycles; covertibles is 15%; 7% vans; 6% sedans; 26% pickups; 36% hatchbacks. Find the number of convertibles,
asked by bwb 
Physics
What weight of water is required to fill a 80 gallon aquarium? The answer must be in kN
asked by Ann 
Finance
The Frenall Company just paid a common stock dividend of $4.00 per share. The required rate of return on Frenall stock is 18.4 percent. Due to a major restructuring of the company’s production process, Frenall’s dividends are expected to decline by 25
asked by Dantavis 
Finance
7. Today you open a bank account and make a deposit of $6,000. Then you make the following deposits: in t=1 you deposit $6,500, in t=2 $45,000, in t=3 nothing, in t=4 nothing, in t=5 $7,000, in t=6 $8,700. You made your last deposit of $34,000 in t=7.
asked by Dantavis 
Algebra
Use the discriminant to determine the number and type of solutions for this equation x^23x+5=0
asked by Help Please!! 
college physics
Interestingly, there have been several studies using cadavers to determine the moment of inertia of human body parts by letting them swing as a pendulum about a joint. In one study, the center of gravity of a 5.0 kg lower leg was found to be 18 cm from the
asked by zidd 
Ag. Bio
Been working on this forever... Thanks =) 33. A researcher identifies the nucleotide sequence AAC in a long strand of RNA inside a nucleus. In the genetic code, AAC codes for the amino acid asparagine. When that RNA becomes involved in protein synthesis,
asked by Abby 
marketing
Describe the model of consumer buyer behavior. you must explain how the process works in the real world. Seclect one of the four factors influencing buyer behavior.
asked by Kim 
math check my work
a license plate has 2 letters followed by 4 digits.how many license plates are possible if the digits and letters can be repeated? f8 g92 h676000 i6760000 i think it is i am i correct thank you for helping me
asked by anna 
science
a shell is fired from the cannon. the shell of mass 30kg is shot with an initial velocity of 30m/s. what is the momentum of the cannon just after the shell is shot ?
asked by chiara 
how the earth was made
Video Guide: How the Earth was Made Section 1: 1. What did James Hutton discover as proof that the Earth was an old Earth? 2. What is the scientific explanation for how the Earth was formed? 3. What did Kelvin not take into account as far as the Earth
asked by mido 
physics
How much work must be done to increase the speed of an electron from 0.200c to 0.210c? In (MeV)
asked by Andy 
US
What bold statement was made by the Monroe Doctrine?
asked by Cory 
Chemistry
Can you draw a structural formula illustrating the complete combustion of ethanol? Please...It is confusing to me!
asked by Stacey 
statistics
The Colorado State Legisture wants to estimate the length of timer it takes a resident of Colorado to earn a Bachelor's degree from a state college or university. A random sample of 265 recent inwstate graduates was surveyed (a) identify the varible (b)
asked by Roosevelt 
Geometry
If the measure of an exterior angle of a triangle is 75 degrees, then what are the measures of the two remote interior angles?
asked by Ana 
12th grade
what would be your best advice to a person who wants to learn more about political issues?
asked by Anonymous 
chemistry
How would you calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57.
asked by kia 
math
I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and
asked by Bart 
Calculus
Find the maximum and minimum values of f(x,y)=3x+y on the ellipse x^2+4y^2=1
asked by Salman 
Chemistry
Need a single reagent that I could use to distinguish NaI from NaNO3. NaOH, HCl, NH4Br, or Pb(NO3)2??
asked by Nick Bones 
Math
Describe the basic differences between linear growth (a linear model) and exponential growth (an exponential model).
asked by sammy 
chem
when water is added to solid calcium carbide, CaC2, acetylene gas, C2H2, and calcium hydroxide, Ca(OH)2 are produced. how do i write a balanced equation for the reaction.
asked by herjaz 
calculus
Use an appropriate local linear approximation to estimate the value of Cotangent 46 degrees.
asked by Marcus 
College Chemistry
How do acids and bases react?
asked by James 
math
Determine whether the statement is always true, sometimes true, or never true. 3) The length of the hypotenuse of a right triangle equals the length of one of the legs of the triangle. Answer choice: a.) always true b.) sometimes true c.)never true
asked by nicole 
5th grade
Need help with an analogy. brother : mother fly : _ _ _ _
asked by Sammy 
Algebra
•How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real
asked by Michelle 
chem
when water is added to solid calcium carbide, CaC2, acetylene gas, C2H2, and calcium hydroxide, Ca(OH)2 are produced. how many moles of acetylene are produced when 0.50 mole of calcium carbide reacts? can anyone explain this to me please
asked by herjaz 
accounting
On june 1, coble company ltd borrows $40,000 from first bank on a 6month, $40,000, 9% note. The note matures on December 1
asked by sean 
English
Can you help me rephrase first part of the song "Parents just don't understand",please? Thank you very, very much in advance 1) Parents just don't understand that children are going to make mistakes. 2) The song says that once a mother took his child (the
asked by Franco 
physics
A.An observer moving at a speed of 0.810 c relative to a rod measures its length to be 2.00 m and sees its length to be oriented at 30.0 degrees with respect to the direction of motion. What is the proper length of the rod? B.What is the orientation angle
asked by Andy 
Managerial Economics
Mirk Labs is a British pharmaceutical company that currently enjoys a patent monopoly in Europe, Canada, and the U.S on Zatab, an allergy medication. The global demand for Zatob is Qd=15.00.2P where Qd is annual quantity demanded in millions of units of
asked by N/A 
statistics
drawer contains 50 bolts and 150 nuts. Half of the bolts and half of the nuts are rusted. If one item is chosen at random, what is the probability that it is rusted or a bolt ? In a study to test whether there is a difference between the average height of
asked by RAJESH 
health
How do factors in the biopsychosocial model operate when you make a decision that affects your health? Think of examples of when you made either good or poor decisions. The health consequences of your decisions can be minor or major.
asked by katrina 
7th grade
How do you build a strong bone from a piece of printer paper and make it hold at least 20kg? I need answer by tomorrow ASAP!!! No websites but just answers. Thanks a lot to whomever answers!!!!! :)
asked by Shayane 
organic chemistry
What's an equation of the hydrolysis of one ester group in tannins by CaCO3?
asked by kim 
Organic Chemistry
A student tried to dissolve 5.0 grams of impure acetanilide in 50 Ml of hot water. However was not able to get it to dissolve. Why not? What would you do to get it to dissolve??
asked by Stephanie 
Math
O God I hate word problems! Is there any mechanical way to memorize word problems? Can anyone just change this Following word prob to equations pls. I can do the rest! Sam invested $4500, part at 7%, the rest at 8 1/2%. After one year, the interest earned
asked by Me 
english
what are the causes and consequences of the stock market crash in 1929?
asked by nana 
IPC
IF THE SIDE OPPOSITE A 45 ANGLE IN A RIGHT TRIANGLE 12.5 METERS, HOW LONG IS THE ANGLE?(ROUND THE ANSWER TO THE NEAREST TENTH)
asked by jose 
chemistry
how would longer roasting time of green coffee beans effect its caffeine content? why?
asked by rachel 
chemistry
Someone can help me please? A gas sample weighing 0.528 g is collected in a flask having a volume of 126 mL. At 75 degrees celcius the pressure of the gas is 75 torr. The molecular mass of the gas is closest to which one of the following?
asked by Diana 
Communication English
stimulus response line theory of communication as a process which can be derived by noise. Do you agree?
asked by Ibrahim 
social studies
americans are united by their strong belief in basic principles.they believe that people are born with privileges that cannot be taken away from them.these are
asked by brian 
chemistry
Hi, The question is, using Henry's law constant calculate the amount of Hydrogen Sulphide gas which could dissolve in 500ml of pure water (H20) placed near an active volcano assuming equilibrium conditions and ignoring any reactions with water. The
asked by Will 
geometry
The area of a decagon is 600 ft2. If the dimensions are reduced by a factor of 4, what is the area of the smaller decagon?
asked by Anonymous 
I need ideas for a Math Project (science related)?
So I was given a math project in which we need to gather "real world information" and make a scatter plot of the info. With this we must graph a line, parabola and exponential curve of best fit then find those formulas. The math is straight forward but I
asked by Olive 
7th grade chemistry
how is calcium sulfate is prepared?what is the chemical reaction of this.
asked by R.M.Sabarish 
microbiology
A woman brings her 6 month old son to the dr. The chief complaint is a group of lesions on the child's back. In the exam room, a toddler is leaning over playing with the baby who is giggling and appears healthy. The baby was breast fed from birth through
asked by Christian 
Math
Tim put red, white and blue marbles in a bag. Onethird are red, onefourth are are white and ten are blue. how many of each are in the bag and what color are they?
asked by Sally 
hcr 210
I have an assignment for week 4 in HCR210 due Sunday. We are to interview small, mediumsized and large medical facilities and ask 13 questions regarding medical/patient records. There are no facilities in my area willing to disclose any information for
asked by anastasia 
calculus
An open box is to be made from a flat piece of material 18 inches long and 5 inches wide by cutting equal squares of length xfrom the corners and folding up the sides. Write the volume Vof the box as a function of x. Leave it as a product of factors, do
asked by Julie 
Grade 11 Functions
A rectanguler field with an area of 8000 meters squared is enclosed by 400 meters of fencing.Determine the dimessions of the field to the nearest tenth of a meter
asked by Grayson 
chem
when water is added to solid calcium carbide, CaC2, acetylene gas, C2H2, and calcium hydroxide, Ca(OH)2 are produced. how many moles of calcium carbide are needed to completely react with 5.00 * 10^22 water molecules? can someone explain the steps
asked by herjaz 
biology
the question is what % of the offspring will be round ? anf the letters are (Rr x rr) and then a square
asked by sonia 
Math
Flying against the wind, an airplane travels in hours. Flying with the wind, the same plane travels in hours. What is the rate of the plane in still air and what is the rate of the wind? Rate of the plane still in the air= ____km/h Rate of the wind=
asked by Ericka 
Geometry 2
In the same location at the same time of day, two trees casts a shadow. The 60ft tree casts a 12 ft shadow, and the other trees casts a 4 ft shadow. How tall is the other tree? A. 20 ft B. 18 ft C. 52 ft D. 76 ft How do I solve this.. Im confused again...
asked by monique n 
chemistry
Calculate the molarity (mol/L) of Ba2+ when BaCrO4 is placed in a 0.0457 M K2CrO4 solution. The equation represents the solubility process. K(sp)=1.2x10^10 BaCrO4 (s) Ba2+ (aq) + CrO42 (aq)
asked by bme1 
algebra
convert the mixed number 145/7 to mixed decimal. round to the nearest hundredth
asked by Anonymous 
chemistry
When CS2(g) (545.0 grams) and 57.71 grams of H2(g) in a 200.0 L reaction vessel at 961.0 K are allowed to come to equilibrium the mixture contains 2.447 mol of CH4(g). What concentration (mol/L) of CS2(g) reacted? Molar Mass CS2(g) 76.15 H2(g) 2.016 CH4(g)
asked by andy 
chemistry
When CO(g) (38.11 grams) and 96.48 grams of Cl2(g) in a 140.0 L reaction vessel at 782.0 K are allowed to come to equilibrium the mixture contains 0.4080 mol of Cl2CO(g). What is the equilibrium concentration (mol/L) of CO(g)? CO(g)+Cl2(g) = Cl2CO(g) Can
asked by andy 
math could you please help i don't understand
in a competition 5 figure skaters will skate in a randomely assigned order. why can't you evaluate the product 5*5*5*5*5 to find the number of possible orders in which the skaters can skate
asked by ashly 
Physics
An 800.0 kg car containing an 80.0 kg crash dummy is moving at 15 m/s. The car is smashed into a concrete walls and stops in 6.00x10^2 seconds. What is the change in momentum of the car?
asked by Michelle 
Science
Show a Venn Diagram comparing velocity and speed.
asked by Sue 
US History/ Ms. Sue
I am working on a paper that is due this weekend on Jim Crow Laws and was wondering a few things: 1) What were some of the rights that was taken away from the African Americans 2) rights affecting their lives I do have information on Ida B Wells, Booker T.
asked by Lauri 
7th grade chemistry
how is potassium sulfate prepared?explain with chemical reaction.
asked by R.M.Sabarish 
chemistry
All the following species are best described by writing at least two Lewis structures EXCEPT a. O3. b. SO2. c. NO2 d. SO32 e. SO3.
asked by zack 
History/ Need fast help
What were some of political issues that was dealt in the Gilded age? What is the current political issues that is faced today? Are they Similar or different? Explain.
asked by Mara 
Calculus
Consider the transformation T:x=(41/40)u−(9/41)v , y=(9/41)u+(40/41)v A. Computer the Jacobian: delta(x,y)/delta(u,v)= ? B. The transformation is linear, which implies that it transforms lines into lines. Thus, it transforms the square S:−41
asked by Salman 
math please help i don't understand this at all
a cylinder is formed by first tapping together the opposite edges of a rectangular piece of paper that is 11 inches long and 8.5 inches wide. if the height of the completed cylinder 8.5 what is its volume?use 3.14 for pie
asked by me 
English
Hello :) I am teaching English as a foreign language on Friday ( 1st grade of high school, 6th year of learning English) My topic is 23rd century. Ls are listening to 3 different tasks.At the end will be a little discussion on whether it is better to live
asked by refy 
english letter
Hello everybody! Today a I have to write a complain letter to "my"boss.I should write about my difficulties,and about what's bothering me. In the letter I should propose a solution as well. The situation is: Me(Julie,47 years old)has worked as a secretary
asked by Lulu 
American History
I am trying to locate some information on American Imperialism that explains social, strategic factors, and economic that played with this role. I have googled american imperialism and found too many sites. Is there a site that is good for the paper I am
asked by Karyn 
chemistry
why does the volume of a balloon decrease when it is taken outside on a cold winter day?
asked by carson 
Gentics
Using donor DNA from an E. coli strain of leu+ arg+ trp you transform a resipient strain that is leu arg trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below.
asked by Jessica 
math
A train travels 20 feet in 1/5 second. At this same speed, how many feet will it travel in three seconds? ___________
asked by Jameka 
latin BASES
which latin base means head? a}GNO b}LOC c}CAPIT d}ROG p.s.what do u think? i choose c :)
asked by justin 
Math
Describe how a mathematical function is created. Be sure to include a discussion of dependent and independent variables, and the two sets called domain and range.
asked by sammy 
language please check my work
revise the sentence for a clear meaning here is the sentence Surgeons moved around the operating room, skillfully using tools wearing slippers. the revised sentence Surgeons,wearing slippers,moved around the operating room skillfully using their tools.
asked by me 
english
In the space provided, write a paragraph of cause and effect. You may use one of the topics below or one of your own choosing. Mention at least three causes and their three effects. friendship as a twoway street television and preschoolers vitamin
asked by alex 
math
Every time I do this for an assignment I do it wrong. How does this work. Use lattice multiplication to find the product. 222 × 172
asked by bwb 
Discrete Math
I have a review problem I am having problems with. This is the problem: Be able to show the function, g(x) is O(f(x)) numerically as we have done in class Use the definition of Onotation to prove that 2x^2+3x+4 is O(x^2) (Do not use the theorem on
asked by Elisabeth 
biology
Can someone please help me with the following question. Thanks! Skin color is not directly tied to race. All humans carry the same genes. Yet why do some races seem to have darker (or lighter) skin tones than others?
asked by Gina 
Finance
8. Assume you just turned 28. You want to accumulate $3.5 million by your 65th birthday. Beginning next year, you will invest equal amounts each year until your 60th birthday. Your twin brother has the same goal, but he will wait 4 years before making his
asked by Dantavis 
algebra
Trains a and b are traveling in the same direction on parallel tracks. Train a is traveling at 40 mph and train b is traveling at 50mph. Train a passes a station at 12:15 a.m. If train b passes the same station at 12:27a.m. at what time will train b catch
asked by shana 
US History
How did the Mexican War help expand the sectional divide in the U.S.?
asked by Cory 
spanish
What does Que vas a hacer en tu viaje mean
asked by Tami 
English
In Cyrano de Bergerac, Christian's death in Acy iV represents which of the following plot events? a. exposition b.rising action c. climax 4. falling action
asked by Wendy 
College Genetics
Using donor DNA from an E. coli strain of leu+ arg+ trp you transform a resipient strain that is leu arg trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below.
asked by Jessica 
5th grade
what istes can i find info for my teacher on verrazzano
asked by amelia 
calculus
What is the definite integral from 0 to x of 1/(4 + t + 3t^2) dt? For starters, what is the antiderivative and how did you find it? I think I could take it from there.
asked by Gabe 
math
i'm having difficulty understanding radicals.. I don't know how to type the radical sign on here so i'll use parenthesis instead like for instance 17+34 (192)/34 how would u solve that.. also how do u decipher the two multiples of 192 since it's not a
asked by jerson 
algebra 1
1) Can you write a binomial in standard form with degree of zero? Explain. 2)Canyou write a binomial with a degree of 3? Explain. Can you help me answer this question please.
asked by marie 
Fundamentals of algorithm and logic
3. Exercise: Peer Reviews of Currency Conversion Test Procedure • Perform peer reviews of two classmates’ Currency Conversion Test Procedures, which your instructor will place in your Individual forum on Day 1. •Complete the Appendix K form for each
asked by Mr Buckley916 
Trig
Prove the trig identity cos(4x)=2sec^2(2x)/sec^2(2x)
asked by kristina 
Environmental Science
What is the growth of a city into the countryside around the city?
asked by Tiara 
Marketing
What marketing segmentation criteria could be used to find a person like your self from a purchased list of names? Assume an ad agency is preparing a marketing campaign for an auto company that is bring out a new car. What kind of marketing mix and
asked by Jamie 
math
If Titanic hit an iceberg at 11:40 p.m and 2 hours and 40 minutes later it sank, what time did it sink at?
asked by Annie 
Calculus
Find equations of the tangent lines at all inflection points of the graph of f(x)=x^4  6x^3  12x^2  8x + 3
asked by Dex 
statistics
at the census bureau web site you can find the percent of adults in each state who have at least a bachelors degree. it makes no sense to find the mean for these data and use it to get a confidence interval for the mean percent U in all 50 states. Why not?
asked by steven 
Math
Give two examples of linear relationships (they can be from the world of business, science, sports, or other areas). Since their graphs would be straight lines, describe the meaning of the slopes of these lines as they relate to these relationships
asked by sammy 
Literacy
What damage does a teacher do who assigns a writing assignment but does not grade that assignment with any effective rubric?
asked by Anonymous 
Science
What does the Space Shuttle use to land when returning to Earth ?
asked by Alisha 
please check my work language
write the plural for each noun potatopotatoes shoeshoes autoautos speechspeeches describe the kinds of information about words that can found in a dictionary *prononciation *parts of speech *definition and the word *how many syllabuls a word has is
asked by dena 
Oklahoma Indian History
I have all my information i need to make a good essay on the Apache Tribe. i can't come up with an argrumentive Thesis statement. Help!!!!
asked by Cindy 
mathlost
List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. S = {Chocolate, Vanilla, Mint} I do not understand how to do this.
asked by Bart 
math
What is the ratio of 2 positive numbers whose product is 2400 at a 2:3 ratio?
asked by Anthony 
6th grade science
What is the term for radiation beneath the frequency we can see?
asked by lesley 
Ag. Biology
I'm stuck on 10 questions on my homework, I'll post them separate. 25. Describe the role of an operon in a prokaryotic cell, and give an example of how an operon works.
asked by Abby 
administration
What is the effect that scarce resources have on administrative ethics?
asked by april 
religion
How do contemporary Buddhist practices reflect the foundations of the religion?
asked by Nancyg 
trig
suppose that sin(x) + cos(x) = 4/3 a)square this result and find a value for sin(x)cos(x). b)using the result from a) find the exact value of sin^3(x)+cos^3(x). (Hint: Do you recall how to factor x^3 + y^3)
asked by chris 
Science
Steel wool [iron] is burned in the presence of oxygen in the air and makes iron oxide: is this a combination, decomposition, or replacement reaction?
asked by Christopher 
math
how do you solve 10square root 9x =60
asked by Anonymous 
Calculus
The derivative of xCos(5x)
asked by Anonymous 
chemistry
how many ml of 0.15 NaOH solution are required to neutralize 35.00 ml of 0.22 moles of HCL
asked by mc 
math
what is the perimeter of a rectangle that measures 27 inches on one side and 56 inches on the other side?
asked by emily 
adult education
using the half angle method solve the triangle for whick the given parts are a=27 b=21 and c=24
asked by sam 
math
The value of a "Mint State63" 1950 Jefferson nickel minted at Denver is 8/7 the value of a 1945 nickel at Philadelphia. Together, the total value of the two coins is $15. What is the value of each coin?
asked by zach 
help plz
Which word is a synonym of the word evolve? a}recession b}decline c}progress d}retrogression p.s.ive been working on this same question for 1 month todaysthe last day i have can some1 plz just give me the answer plzzz lol btw:who likes boxing?0_o
asked by justin 
EnglishYour thoughts count
Is this a good line from the poem Standing Alone by Chase. I can see the flower upon which my life grows, blooming into a rose. Do any of you get an idea of what this line is saying? This line basically compares someone's life to a roses. It tells you to
asked by Sara 
Math
A population of primates in a certain jungle is doubling each year. Describe how the population increases in size as a function of time. Give some example values for this population over time. Is this a linear or exponential relationship?
asked by sammy 
uhh help
the legendary king midas was a: a.very beautiful b.very rich man c.very wise man d.very brave man i choose c??
asked by justin 
human resources
Submit a response recommendation analysis of 200300 words of how large firms and small firms could utilize change management concepts to meet growing technology demands. Provide one example for a large company and one example for a small company of
asked by robbie 
College Physics
Use the relativistic coordinate transformation (x, y, z, t) − (x′, y′, z′, t′) shown and given below where the latter frame S′, (x′, y′, z′, t′), has a velocity 2.69813 × 108 m/s in the positive direction relative to the frame S, (x,
asked by Angie 
borrowing money
sherman jones borrows $675 from the REGAL LOAN COMPANY.he agrees to repay the loan in 15 months the interest rate is 23% how much money must sherman pay ???
asked by nathan 
language please check my work
In 2000 an experimental robot performed operations on the damaged valves of ten patient's hearts. in this true: robot is a noun performed is a verb damaged is a noun
asked by anna 
organic chemistry
if sodium iodoacetate is used instead of sodium chloroacetate, how will the rate of reaction be affected? explain.
asked by Melissa 
math estimate areas
estimate areas of parallelogram
asked by tim 
math
List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. S = {Chocolate, Vanilla, Mint} I do not understand how to do this.
asked by bwb 
social studies
Create an organizer comparing the claims to the Pacific Coast of the Europeans and the Native peoples. What criteris will you use?
asked by chooey 
AED 202
Describe in 200 to 400 words how you can assess a child’s knowledge on your chosen topic using at least five of Gardner's intelligences.
asked by Anonymous 
math check
Peform each indicated operation and simplify. Can you please check my answers. Thank you. A)(x^2+2x3)+ (2x^2x+1) Answer: 3x^2+x2 B) (x^3+2x^25)+(x^2x+6) Answer:x^3+3x^2x+1 C) (3y^2x+7)(y^22x+3) Answer:4y^23x+10 D)(2x^2xy+y^2)(3x^2+xy+y^2)
asked by Lauren 
calculus
If contains the points (4, 19) and (3, 5), what is the slope of a line perpendicular to ? Enter your answer as a decimal.
asked by sam 
trig
prove the trig identity cos(4x) = 2sec^2(2x)/sec^2(2x)
asked by kevin 
9th grade
The problem solving step that follows the formula
asked by Chris Conant 
8th grade
write each radius from the problem situation as a power. radius of 8inch drumhead: r = radius of 18inch drumhead: r = radius of 16inch drumhead: r =
asked by Anonymous 
algebra
how would you solve this problem.... ã 9x^2 y/32z^2?
asked by Layla 
MATH  Probability
A commander faces a battlefield mobility situation. He has three feasible routes, R1, R2 and R3. The payoffs of his choice will be determined by weather conditions W1, W2 and W3. The best result is to gain 200 miles and the worst result is to lose 160
asked by Kali 
Physics
You often see birds resting on power lines that carry currents of 50A. the copper wire on which the bird stands has a radius of 1.1cm. assuming the birds feet are 4.0 cm apart, calculate the potential difference across its body...  V=IR R=pL/A
asked by lauren 
Chemistry
Hi, I was just wondering how you would calculate how much gas would dissolve into 500ml of water and if there was 0.1% of the solute in the atmosphere in grams? Am finding this very difficult! Example: Hydrogen sulphide: molar mass: 34g/mol Water: molar
asked by John C 
Pioneer Foods
I need some ideas! Describe in detail for at least 3 subject areas how food history and Dutch oven cooking can be used for handson instruction and as an extension to inclass curriculum.
asked by Anonymous 
MATH
a fraction with a denominater in the thousands will always have a decimal form with more decimal places than a fraction with a singledigit denominator. How would I determine if this statement is true or fals?
asked by DEBBIE 
math
Factor each expression by grouping. Can you please show me the steps on how you get your answer so I know how to do the problem thank you. 9p^2+mn^2+9m+p^2n^2
asked by heather 
math
Use factoring to solve the equation. (x+6)(x+5)=2
asked by scott 
algebra
how would solve this math question 5/8x  6 3/8x = 1 1/2
asked by devin 
Math
your yard is 72 square feet and twice as long as it is wide.Fencing is sold in lenghts of 4.2 feet, 6.0 feet, 8.5 feet, and 12 feet. If you only want to buy 1 type of frncing, which length is closest to the length you need?
asked by Illie V.(: 
social studies
why were many children's and adults right hands cut off by agents of king leopold?
asked by Nicole 
help plz:)
which statement does NOT describe how greek words entered english? a.they have been formed by combining greek elements. b.they have come indirectly by way of latin. c.they have come indirectly by way of german d.they have been borrowed directly from greek
asked by justin 
Health Science
How might incorporating a fitness plan and a balanced diet positively affect your wellbeing?
asked by Tiffany 
math
Write the negation of the following: Every rectangle with four equal sides is a square. A) No rectangle with four equal sides is not a square. B) Every square with four equal sides is not a rectangle. C) Every rectangle with four equal sides is not a
asked by Bart 
language could you please check my work
answers are on the bottom 1)A person's hobby a.can be physical recreation b.can be mental recreation c.both a and b 2)A good hobby is is a.exciting b.satisfying c.both a and b 3)Some hobbies are a.lifelong b. given up for something more interesting c. both
asked by anna 
Math
show me the steps to solving this problem? 3k/5+44=12k/25+8
asked by alice 
social studies
How are judaism and christianity realated
asked by Porche 
Chem
Can you show me the structural formula, NOT molecular formula for C3H6 = Cl2 (g)  C3H6Cl2 Please...:)
asked by Stacey 
Finance
SDF Company wants to raise $20,000,000 through issuing preferred stock. The cost of preferred stock is estimated to be 15 percent. If the company wants to issue 1,000,000 shares of the preferred stock, how much should be the promised dividend per stock?
asked by Dantavis 
Math
find the derivative of 1) y=Ln(9x^23).e^(7x) 2)y=Ln((6x^3+x^2x)/(x1)(x+1)) please help
asked by Bababa 
trig
given that tan(x/2)=a. Express tan(x) and sin(x) in terms of a. Hint: use that fact that x= 2*(x/2)
asked by mary 
SCIENCE
could you please help me on some information about this topic please. Ihave a presentation to do on this and i need scientific research or journals as references to add to my powerpoint. An Investigation of the Impacts of Current on Shoaling and schooling
asked by piper 
9th grade
substitution for 5rs=5 4r+5s=17
asked by Anonymous 
human growth and development
Five year old Elbert caught eight colds last year.His doctor would explain that catching eight colds in one year is: A)normal, It's sign that Elbert's lungs are fully developed B)normal.They helped Elbert to build up natural immunities C)abnormal.Elbert
asked by vedrana 
business law
Please give me some insight on a law hypo...? This is the hypo: Joe received an advertising brochure from X Corp. in the mail. The brochure contained a photo of a Peach 442 computer, and above it the statement, "While supplies last. All Peach computers on
asked by Emily 
Math
Factor each expression by grouping. Can you please show me the steps on how you get your answer so I know how to do the problem thank you. 9p^2+mn^2+9m+p^2n^2
asked by Heather 
geometry 3
x^213x30=0 A. 3,10 B. 3,10 C. 15,2 D. 15,2 x^+7x18=0 A. 9,2 B. 6,3 C. 3,6 D. 2,9
asked by monique n 
US History
What was the Gasden Purchase?
asked by James 
business
What exactly is a discounted cash flow and how does it work? I overheard a conversation at a coffee house, and could not remember what the person said
asked by Anonymous 
Child Care
When a child demonstrates an inability to leap over a barrier, his teacher checks to see if he mastered the skills of jumping down from a height and jumping for distance. in doing this, the teacher is
asked by Anonymous 
sentences
whats a sentences for they've?
asked by priscilla Perez 
social studies
why was king leopold's reign described as "legalized robbery"?
asked by Nicole 
Math
How would you factor this (3x^2+x)+ (3x+1).... Can you please show ur steps on how u get the answer so I understand how to do the problem. Thank You
asked by Heather 
Science
Where is the large equipment stored for each Space Shuttle mission ?
asked by Alisha 
ALGEBRA
can someone help me please!!!! (6x^8  6)(x^9  9)
asked by GGIFT 
dnh
I'm greater then 15 and less then 40. if you double me i become a number that ends in 0. and a 1/5 of me is equal to five. who am I?
asked by alj 
math
crazy caps is giving away free caps. they gave away 4 caps in first hour.8 in the second hour. 12 in the third hour. 16 in the fouth hour. how many crazy caps will they give away in the six hour.
asked by lilly 
8th grade
how do you solve ths problem?? 78mi on 3gal (find the unit rate)
asked by Mya 
Math
find the derivative of 1) y=Ln(9x^23).e^(7x) 2)y=Ln((6x^3+x^2x)/(x1)(x+1)) please help
asked by Bababa 
English
Can you please check the tenses (and word choice) in the following sentences, please? Thank you very much indeed. 1) In Chapter 2 the Lilliputians are on Gulliver’s body and are inspecting his clothes. 2) They find a very large piece of coarse cloth in
asked by Franco 
CRT 205
I AM HAVING TROUBLE WITH FINAL PROJECT ON GUN CONTROLL
asked by James 
science
a jet is moving 700 per hour south in a wind current that is going 70 km/hr south. what is the velocity of the jet?
asked by velocity 
algebra
solve for Y y=x+3
asked by Gailene 
social
what kind of generalized statment for an editorial would i start if i was writing from a perspective of an government official at the time of residential schhols felt that assimilation was the best policy fpor the future of canada
asked by sara 
Physical Science
if an object has a mass of 615 grams and a volume of 105cm3 is the density 5.86 g/cm3?
asked by cassie 
science
How do I know which one is a plant and which one is a plant cell.
asked by christen 
Math
How would you factor this (3x^2+x)+ (3x+1).... Can you please show ur steps on how u get the answer so I understand how to do the problem. Thank You
asked by Heather 
MAth
how do I find out what percent of a meter is 5 centimeters and what the percent of a meter is 5 millimeters ?
asked by DEBBIE 
algebra
y>2x+3 or y
asked by susan 
English
What are five key events that occur during the rising action in Cyrano de Bergerac?
asked by Robert 
English
How Would you make a one paragraph thesis 3rd person on an architecture career
asked by Drew 
English
1. To love you and to be loved you is my happiness. 2. To love you and to be loved you are my happiness. (Do we have to use 'is' or 'are'? Which one is correct?) 3. Working hard in the company and playing with others is important. 4. Working hard in the
asked by rfvv 
math
a database with an availibility of 93.4% is accessed via a network with an availibility of 99.2% on average for how much time in a week would a user be unable to retrive data from the database? i calculated around 12 hrs.is it right?
asked by kenji86 
Theory of Personality
i need a fifteen page profile dealing with barack obama and how he relates with each one of these theory. Eysenck's,Allport's,Maslow's,erikson's,Jung's,skinner's,and Bandura's.
asked by Trinicia 
Math Check
All the directions say for these three problems is multiply and simplify. Are my answers correct? Thank you A)(x^2+2x3)+(2x^2x+1) Answer: 2x^36x^2+4x B)(x+1)(2x1) Answer: 3x1 C)(x2)(x^2+2x3) Answer: x^37x+6
asked by Lauren 
Ag. Bio
Last one, thanks for the help guys =) 34. Recall what happens in mitosis and meiosis. Describe how a given amount of a cell's DNA might be alike or different after each process was complete.
asked by Abby 
Chemistry
What happens to the temperature of a gas when it is compressed?
asked by Megan 
Physical Science
a player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds is the acceleration 3 m/s2?
asked by Derek 
Sci 275
I am not looking for someone to dothis for me but I am asking if someone would be kind enough to read this and tell me if it is right. I have to do a paper on risk assessment and i believe i have hit all the points i am suppose to but can you check it for
asked by brandi 
Math
Use factoring to solve each equation. (x+6)(x+5)=2
asked by Scott 
Math
taniqua baked 76 cookies. if there were 19 cookies in each batch, how many batches did she bake?
asked by Nastascia Paisley 
socila studies
i need more sites on verrazzano
asked by amelia 
math
solve the equation 5  √x = 2x^2  3
asked by Luke 
Ag. Bio
=) Thanks 32. How does the possible impact of a chromosomal mutation that occurs during meiosis differ from that of a similar event that occurs during mitosis?
asked by Abby 
social studies
were the colonists'protest sucessful
asked by ethan 
religeon
why do hindus believe in reincarnation and christians do not?
asked by lel 
college
the for value 3/35 of 5/8is
asked by Anonymous 
math
how many yards are in 3.5 miles
asked by tylik 
Chemistry
Is xylose a pentose or a hexose?
asked by Holly