Questions Asked on
September 4, 2012

science
A simple model for a person running a 100m race is to assume the sprinter runs with constant acceleration until reaching top speed, and then maintains that speed through the finish line. If a sprinter reaches their top speed of 11.2ms1 in 2.15s, what will
asked by Emily 
Chemistry
What is the specific gravity of alcohol having a density of .79 g/mL?
asked by Daisy 
Maths
A uniform cylindrical container is half filled with water. The height of the cylinder is twice its diameter. The cylinder is gradually tilted until the water touches the brim. At this instant, the container is inclined at which angle: 1.30 2.45 3.60 4.75
asked by Anchal 
7th Grade Science
Write a short essay in which you create an analogy to describe particle motion. Compare the movements and positions of people dancing with the motions of water molecules in liquid water and in water vapor. I am NOT asking anybody to do this for me, all I
asked by completeidiot 
Chemistry
1.42 g/cm^2 to mg/mm^2
asked by Becky 
ENGLISH
3. What is the rhyme scheme of the following Anne Bradstreet poem? To Her Father with Some Verses Most truly honored, and as truly dear, If worth in me or ought I do appear, Who can of right better demand the same Than may your worthy self from whom it
asked by emma 
Chemistry
A student found that her mixture was 15 percent NH4cl 20 percent NaCl and 75 percent Sio2 Assuming her calculations are correct what did she most likely do incorrectly in her experiment?
asked by M 
Elementary Statistics
Heights of women have a bellshaped distribution with a mean of 161 cm and a standard deviation of 7 cm. Using Chebyshev’s theorem, what do we know about the percentage of women with heights that are within 2 standard deviations of the mean? What are the
asked by mary 
Chem
Diamonds are measured in carats (1.0 carat=0.200g). The density of diamond is 3.51 g/cm^3. What is the VOLUME of a 5.0 carat diamond?
asked by Crissy 
chemistry
Methanol, CH3OH, a colorless, volatile liquid, was formerly known as wood alcohol. It boils at 65.0°C and has a heat of vaporization of 37.4 kJ/mol. What is its vapor pressure at 22.0°C?
asked by johnnie 
AP Chemistry
The reaction of 8.7 grams of ﬂuorine with excess chlorine produced 3.9 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %
asked by Rafael 
chemistry
Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium Cl, or common table salt. If 1.00 g of sodium reacts with 1.54 g of chlorine, 2.54 g of sodium chloride is formed and 17.9 kJ of heat is released. How much sodium and
asked by Ashley 
Math
An employee has an annual salary of $26,965. After he arranges to have deducted from his salary 12% for the purchase of bonds, 17% for federal withholding tax, and 3% for a retirement fund, what is the amount of his monthly check?
asked by Abby 
finite math
suppose that 3 digits are selected at random from the set S={1,2,3,4,5,6} and are arranged in random order. Find the probability that the resulting 3digit number is less than 300.
asked by allen 
calculus
A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity,Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a
asked by mike 
Personal Finance
Jo Bower owns 150 shares of Data General stock. She purchased the stock for $24 a share. She sold her stock for $30 a share. The commissions required to buy and sell her stock totaled $120. Assuming that she received no dividends during the time she owned
asked by Anonymous 
Math
You invested $14,000 in two accounts paying 5% and 9% annual interest, respectively. If the total interest earned for the year was $820, how much was invested at each rate?
asked by Bob 
math
if cos x= 2/5, what is the measure of less than x, to the nearest degree?
asked by shannon 
physics
Hello everyone, I need help with this question: A dart gun is fired while being held horizontally at a height of 1.00m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 5.00m. A
asked by Leo 
Statistics
The distribution of heights of women aged 20 to 29 is approximately Normal with mean 63.6 inches and standard deviation 3 inches. The height (± 0.1 inch) of the middle 68% of young women falls between a low of inches and a high of inches.
asked by Stacie 
physics
A place kicker must kick a football from a point 38.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 20.6 m/s at an angle of 53° to the horizontal.
asked by Anonymous 
math
Can someone please help me with this word problem!?! I know the answer which is 784 feet. But I have no clue how to solve it. Can someone please show how to solve this problem? The word problem is: The melt in Your Mouth Chocolate Factory is a rectangular
asked by aaron 
chemistry
if 7.o moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end?
asked by Anonymous 
Chemistry
If a softdrink bottle whose volume is 1.50 is completely filled with water and then frozen to 10 , what volume does the ice occupy? Water has a density of 0.997 at 25 ; ice has a density of 0.917 at 10 . Could you also explain the steps as to how I
asked by Bob 
physics
Find the tension T2 of the box hanging from the rope if 1 = 25°, 2 = 65°, T1 = 60.58 newtons, and W = 143.4 newtons
asked by Anonymous 
math
which integer represents a gain of 9 yards in a football game
asked by bernardo 
Math
Find two quadratic functions, one that opens upward and one that opens downward, whose graphs have the given xintercepts. (3, 0), (1/2, 0)
asked by Peter 
5th grade math
Which is more 0.33 or 0.333?
asked by Colby 
Physics
A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 9.5 m/s, releases a sandbag when the balloon is 44.3 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the
asked by Sherry 
History
Humans modify the environment in places they live. For example, people convert fields and forests into towns and irrigate arid land to support farming. Give 2 examples of ways people have modified the environment where we live.
asked by Angie 
Managerial Accounting
Sandusky Inc. has the following costs when producing 100,000 units: Variable Costs $400,000 Fixed Costs 600,000 An outside supplier is interested in producing the item for Sandusky. If the item is producing outside, Sandusky could use the released
asked by Daniel 
Sentences,fragments,run ons
I have answered each group of words and would like someone to check them please. I just want to know I am on the right track, and understand this. Identify whether each group of words is a complete sentence, fragment, or a runon. 1. Which was in built in
asked by Jazmyne 
3rd grade math
Find the greatest and least when rounded to the nearest hundred. A plane flew an estimated distance of 800 kilometers. The greatest distance the plane could have flown is? The least distance he could have flown is?
asked by Callie 
CHEM
A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change the percentage of NaCl extracted? My book says: % NaCl= (grams of NaCl / total grams of mixture) x 100 What I don't get is if it does change the
asked by Daisy 
physics
Hello everyone, I need help with this question: A bartender slides a glass of beer down a bar with an initial velocity of 2m/s. The coefficient of kinetic friction of the bar is 0.05 and the length of the bar is 3m and the height of the bar is 1m. The mas
asked by Leo 
Chemistry
What is the solubility of benzoic acid in room temperature water. Report this in grams/L.
asked by Cassie 
physics
A runner is jogging at a steady 2.3 km/hr. When the runner is 8.4 km from the finish line, a bird begins flying from the runner to the finish line at 9.2 km/hr (4 times as fast as the runner). When the bird reaches the finish line, it turns around and
asked by argelia 
Algebra 1
How many solution sets do systems of linear inequalities have? Do solutions to systems of linear inequalities need to satisfy both inequalities? In what case might they not?
asked by Austin 
physics
A car starts from rest and travels for 6.0 s with a uniform acceleration of +1.2 m/s2. The driver then applies the brakes, causing a uniform acceleration of 1.8 m/s2. The breaks are applied for 1.70 s. (a) How fast is the car going at the end of the
asked by Shaina 
physics
A 49kg lead ball is dropped from the leaning tower of Pisa. The tower is 55 m high. (c) What is the speed of the ball 1.3 s after it is released?
asked by Sherry 
physics
A cannon on a level plain is aimed 50 degrees above th e horizontal and a shell is fired with a muzzle velocity of 1200 ft/s toward a vertical cliff 3200 ft away. How far above the bottom does the shell strike the side wall of the cliff?
asked by valerie 
Discrete Mathematics
Mathematical sequences can be used to model real life applications. Suppose you want to construct a movie theater in your town. The number of seats in each row can be modeled by the formula C_n = 16 + 4n, when n refers to the nth row, and you need 50 rows
asked by sara 
AP Chemistry i need help!
A 21.5997 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of
asked by Rafael 
math
complete the pattern starts at 0.22 _ _ _ ends at 0.84 fill in the blanks
asked by N 
Physics
Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static
asked by Karla 
math
Assume that the box contains 5 balls: 1 yellow, 2 green, and 2 red. Balls are drawn in succession without replacement, and their colors are noted until a yellow ball is drawn. Q: How many outcomes are there in the sample space?
asked by Michael 
chemistry
What is the specific heat of a metal if 24.8 g absorbs 65.7 cal of energy and the temperature rises from 20.2 degrees celsius to 24.5 degrees celsius?
asked by jenn 
physics
You are driving down the road at a constant speed. another car going a bit faster catches up with you and passes you. draw a position graph for both vehicles on the same set of axes and note the point on the graph where the other vehicles passes you. if
asked by Emily 
social studies
What is an example of a nonrenewable resource?
asked by Lori 
Algebra 2
A phone company charges a basic rate of $13.99 per month. In addition the user is charged $0.10 per minute for all long distance calls made during the week and $0.08 per minute for all long distance calls made during the weekend. Write an expression that
asked by Shaka 
equations
decide whether each equation is true or false.For each true equation,write the number property shown by the equation.0+6=6
asked by isaac 
physics
A peregrine falcon dives at a pigeon. The falcon starts downward from rest with freefall acceleration. If the pigeon is 57.0 m below the initial position of the falcon, how long does the falcon take to reach the pigeon? Assume that the pigeon remains at
asked by jazmyne 
Chemistry
1. Find each mass & which has the greater mass. 1.0 ml mercury or 1.0 ml of water 2. Find each volume & which has greater volume. 100.g gold or 100. g water
asked by Crissy 
Chemistry
I need the formula for the question, if the hot tub heater provides 5900 kj/min, how long in hours will it take to heat the water in the hot tub from 69f to 112f? Help please
asked by Cassie 
Math
What does "standard form" mean in 3rd grade math?
asked by dawn 
college math II
how do you translate the product of 10 and three more than a number in algebraic expression?
asked by meka 
Physics
Three positive particles of charges 1 μC, 2 μC, 3 μC, and 4 μC, are located at the corners of a square of side 1 cm. Calculate the potential in the center of the square, taking V = 0 at a great distance.
asked by Amanda 
Physics
(a) Find the capacitance of a parallelplate capacitor made of two 5 cm×5 cm square plates separated by 1 mm. (b) If 50 V is applied to this capacitor, how much energy is stored?
asked by Amanda 
English 1101 composition & rhetoric
Put these sentences in order 16, based on whether it is the TS(1), GD1(2), SD1(3), GD2(4), SD2(5), CS(6), of a body paragraph in a five paragraph essay. A) Benson claims that the typical family eats together once a week now; a family having dinner
asked by victor 
physics
In the problem, please assume the freefall acceleration g = 9.80 m/s2 unless a more precise value is given in the problem statement. Ignore air resistance. A stone is thrown vertically downward from the roof of a building. It passes a window 15.0 m below
asked by kevin 
science
an experiment for a new asthma medication was set up into two groups. Group one was given the new drug, while group 2 was given a sugar pill. the sugar pill serves as _________. a) control B)constant c) Experimental variable D) dependent variable
asked by nicole 
English
Can you make my answers sound more better by changing few words? and do my answers make sense? 1. What does a learner do? learner learns about variety of different things and became more knowledgeable. 2. what does a communicator do? communicator conveys
asked by Lola Styles 
MATHS
Mr.Li had a big rectangular styrofoam measuring 40cm by 40cm by 30cm. He cut cubes of side 4cm from it. What was the maximum number of cubes he could cut from the rectangular styrofoam?
asked by PLS HELP 
Physics
A shopper pushes a cart 50 m south down one aisle and then turns 90.0° west and moves 19 m. He then makes another 90.0° turn and moves 13 m. (a) What is the largest possible displacement of the shopper? (b) What is the smallest possible displacement of
asked by Bob 
physics
A landing craft of mass 12000 kg prepare itself for moon landing. when at a vertical distance 160m above the moons surface its downward velocity is 15 m/s. a retrorocket is fired to give the craft an upward thrust to slow its speed to zero as it meet the
asked by Emily 
business
The Recall Computer Company has six territories, each represented by one salesperson. After extensive planning, the company determines that each territory would be expected to achieve the following percentages of total company sales for 2008: Territory
asked by nan 
Scientific Question
Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of
asked by Nina 
Business calculus
Find the breakeven point for the firm whose cost function C and revenue function R are given. C(x) = 180x + 12,000; R(x) = 270x
asked by Skylar 
Physics
A racing car with mass (including the driver) of 900 kg accelerates from rest to a speed of 200 km/hr in 6 seconds. what is the power output of the engine?
asked by Ftin 
civics
What are the main challenges to achieving justice in american society today and how can these challenges best be met?
asked by Ivory 
math
Perry's commission rate is 18%. He invests his commission from the sale of $8000 worth of merchandise at an interest rate of 11%, compounded quarterly. How much is Perry's investment worth after 6 months?
asked by Anonymous 
Physics
A woman weighing 500 N stands in an elevator that is traveling upward. At a given instant the speed of the elevator as well as the women is 10m/s and both are decreasing at a rate of 2 m/s2 at that instant the elevator is exerts a force on the woman that
asked by Mohamed 
Health
Our biological clocks make us feel most sleepy from? A. 9pm5am B. 6pm6am C. 10pm4am D. 12am7am
asked by anthony 
chemistry
If the halflife of a firstorder decomposition reaction is 24.2 minutes, how long will it take for 10.0 moles of the reactant to decompose so that only 2.5 mol remains?
asked by Josh 
physics
A car starts from rest and travels for 4.5 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of 1.8 m/s2. The breaks are applied for 1.80 s.
asked by jake 
math
find the x intercepts of a parabola whenthe vertex is at 2,13 and y intercept at 0,5
asked by ppppp 
math
A medication is available in 30mg. tablets. A patient is given a prescription for gr. ii. How many tablets should the patient take? I am not sure how to work this problem out, and i am confused on the gr. ii. part, i do not know what it means, please help.
asked by Angel 
math
there are 45 children in a class.if there are 3 more girls than boys,how many are girls?
asked by marc 
Math
A circle has the equation x^2+y^2+6x46=0 graph using (h,k) radius r A) how do i graph this properly B) intercept are?
asked by Anonymos 
Chemistry
I need the formula for the question, if the hot tub heater provides 5900 kj/min, how long in hours will it take to heat the water in the hot tub from 69f to 112f? Help please
asked by Cassie 
Math
Ayeshe was given 3 clues concerning the value of a mystery fraction. The clues she was given are shown below. 1) I am a fraction between 1/5 and 1/4 2) My numerator is a prime number less than 10. 3) My denominator is 10 more then my numerator. What is the
asked by Megan 
Physics
A car accelerates uniformly from rest to a speed of 72.7 km/h (20.2m/s) in 11 second. the distance the car travels during this time.
asked by helen 
math
add or subtract the following polynomials as indicated (5.9x3 + 3.4x2 7)(2.9x39.6x2 +3)
asked by shay 
Math
John runs on a daily basis. He jogs 5 miles every day except Saturday. On that day he jogs 9 miles. How many miles will he jog in 4 weeks?
asked by Alex 
Physics
A car travels in a straight line for 3.9 h at a constant speed of 83 km/h . What is its acceleration? Answer in units of m/s2
asked by tgarci10 
7th grade math
6(2r4)
asked by nic 
MATH
bob and his dad visted the hardward store on sunday. They observed the following transaction: Mr harris bought 4 for $.05, Mrs Clarke bought 21 for $1.00, Mr Montaro bought 1,134 for $2.00 and Ms. Park bought 450 for $1.50. What were they buying?
asked by KENISHA TAYLOR 
medical
According to the AMA, what is a key reason behind a physician's duty of confidentiality to a patient?
asked by Anonymous 
Chemistry
The biomass formula for a yeast is CH1.66 00.269 N0.194. The formula accounts for 92% of dry mass; the other 8% is inorganic material (ash). When grown on C6H14, the yield on biomass is 1.4 gcell/gsubstrate. What is the respiratory quotient (mole CO2
asked by Parker 
physics
Two students are on a balcony 21.4 m above the street. One student throws a ball, b1, vertically downward at 13.2 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on
asked by Shaina 
Logarithms
I need help evaluation the following: 1.) (1/15)^2.309 It says hint: set the expression = x and take the logs of both sides. I did: x=(1/15)^2.309 logx = log(1/15)^2.309 = 2.309 log(1/15) and I don't know how to proceed or if I'm on the right track. 2.)
asked by Amy 
statistics
The mean of a normal probability distribution is 100 and the standard deviation is 8. About what percent of the observations lie between 84 and 116?
asked by sara 
Pre Calc
How do you find cot(225degrees) using the unit circle?
asked by Gaby 
Statistics
The Insurance Institute for Highway Safety conducted tests with crashes of new cars traveling at 6 mi/h. The total cost of the damages for a simple random sample of the tested cars are listed below. Based on these results, is damage of $10,000 unusual? Why
asked by Antionette 
Algebra
A poll was taken of 100 students on how they got to campus. 33 drove alone, 35 rode in a carpool, 26 rode public transportation, 6 used both carpool and public transportation, 8 used both a carpool, 6 used buses as well as their own cars, 5 used all three
asked by Sue Jackson 
geology
Below are descriptions of samples, with known ages expressed as either AD or BC (also called BCE). Convert these dates to BP dates (using 1950 as "the present.") 1. Wood from Egyptian coffin  from the Ptolemic period based on style. Date: 200 ± 150 years
asked by k 
Science
Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of
asked by Mae 
science... Help me urgent!!
Please help me check if I did my homework right base on a picture of picking strawberry farm. 1. Activity Investigation Picture Scientific Method: I. Perceiving the Problem Are these people a worker in a farm? II. Research a. Wearing different style of
asked by Mae 
7th Grade Science
what physical force can cause a change in the state of matter what is the difference between chemical and physical changes what occurs during BoseEinstein condensation Please help me.
asked by completeidiot 
college alg
find the equation of a line that is parallel to the line x=6 and contains the point (8,9) please show work, it also wants me to show the answer in an equation
asked by alli 
Johan
Given angle 1 = (x + 7)degree, angle 2 = *(2x 3)degree, angle ABC = (x 2nd power) degree, angle D = (5x  4)degree. Show that angle ABC congruent to angle D I can't seem to solve this?
asked by Sia 
Physics
A projectile, fired with unknown initial velocity, lands 20.8 s later on the side of a hill, 2900 m away horizontally and 411 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its
asked by Anonymous 
Physics
A speeder passes a parked police car at a constant speed of 23.9 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.21 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s
asked by Momo 
Math
for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x9; g(x)=5x/8x9 A) (f+g)(x)=? B)domain of (f+g) c) (f/g)(x)=? d) domain of f/g? please show work
asked by Anonymos 
Algebra Enrichment
5b(b+3)8(1b)
asked by Jasica 
physics
Consider a positiontime graph. The position is to be graphed 1. along the horizontal axis. 2. along either axis you choose. 3. along the vertical axis.
asked by argelia 
math, medical
A medication is available in 30mg. tablets. A patient is given a prescription for gr. ii. How many tablets should the patient take? I am not sure how to work this problem out, and i am confused on the gr. ii. part, i do not know what it means, please help.
asked by Angel 
Accounting for Managers
Question 1 of 20 5.0 Points In comparing management accounting with financial accounting, which of the following statements is FALSE? A. Management accounting is primarily used by managers, employees, and supply chain partners. B. The report format for
asked by Blu 
math
12x^2y6xy^2/3xy
asked by Anonymous 
Religion
Discuss the ways that two religious traditions approach the problem of evil and establish a moral code for believers. Compare and contrast the two approaches.
asked by Edric 
Chemistry
A liquid has a density of 0.98 g/mL, what is the mass of 8.0 mL? And show work.
asked by Trip 
Math
Use the expression 12*12 to answer the question below A. Write the expression using exponential notation B. What is the base? C. What is the exponent? D. WRite the expression in expanded form. C?
asked by §eth 
algebra
Tanner earns a commission of $1415.04 selling $6432 worth of electronics. What is the commission rate?
asked by Anonymous 
social studies
which of these is not like the others 1.John Winthrop 2.James Oglethorpe 3.William Penn 4.Roger Williams I think that it would be John Winthrop because all the rest started colonies which later became state names but i don't think that is sufficient
asked by bob 
math
By selling a home without using a realtor, Barb can avoid paying a 7.25% commission. She received an offer of $275,000 from a potential buyer. In order to give a comparable offer, for what price would a realtor need to sell the house? Round to the nearest
asked by Anonymous 
algebra
pi*7=7*pi would this be associate property of multiplication
asked by brandon 
history
The _________ expressed the darkest and most ominous aspect of the rural counterattact of the earlt 1900s.
asked by jerry 
physics
A car starts from rest and travels for 5.2 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of 2.0 m/s2. The breaks are applied for 2.00 s. (a) How fast is the car going at the end of the
asked by helen 
English
Did help with finding the authors purpose and main ideas in this article "A Generation Hobbled by the Soaring Cost of College by Andrew Matin and Andrew Lehren in the New yOrk times
asked by Vicky 
organic chemisrtry
What is high molecular symmetry and low molecular symmetry and give examples of both please
asked by CHRIS 
organic chemisrtry
How do melting points differ for ionic compounds versus those that contain only covalent bonds? Why is this so (explain)?
asked by CHRIS 
organic chemisrtry
What is a stretch (symmetric versus asymmetric)? What is a bend? ionterpreting infrared spectra NEED HELP PLEASE!!!!!!!!!!!!!!
asked by CHRIS 
Algebra
A car dealer sells you a car for 6,980.00 with 980.00 down. What is the APR?
asked by Sue Jackson 
Chemistry
What is the density of a copper block that is 8.96g/cm^3 in ounces/pint? I did all the conversions and the answer I got was 150ounces/pint? Is this correct? How to I solve this problem?
asked by Megan 
Algebra
Determine the comparable interest rate for a 80,000 loan when the quoted information is 10.7% + 0.5 pt.+ $400.00 Round to 2 decimal places
asked by Sue Jackson 
US history
Indicate below the type of government each colony had in the year 1750. 1 NEW HAMPSHIRE; ROYAL 2 MASSACHUSETTS; ROYAL 3 CONNECTICUT; SELFGOVERNING 4 RHODE ISLAND;SELFGOVERNING 5 NEW YORK; SELFGOVERNING 6 NEW JERSEY;ROYAL 7 PENNSYLVANIA;PROPRIETARY 8
asked by jack 
Algebra
In a recent survey of 100 women the following information was gathered. 32 use shampoo A, 39 use shampoo B, 40 use shampoo C, 12 use A and B, 10 use A and C, 10 use B and C, 7 use all three
asked by Sue Jackson 
Chemistry
If the pressure of 2.50ml gas were doubled from 0.500atm to 1.00atm what would be the gas volumn at the new pressure?
asked by Barbara 
Geometry
Find the measure of the angle formed by the hands of a clock at 9:43. Thanks!
asked by Serena 
math
A year on Mars is 686 Earth Days. (1) Whicch is longer, a year on Mars or a year on Earth. (2) By how many weeks is it longer? Please explain how you got the answer. My answer was 82 1/2 weeks longers
asked by Paula 
New Kingdom Of Egypt (Please Review Again!)
Alright, so Thanks so much! I made some corrections! How does it sound now? Anything I should change? Is everything grammatically correct? Thanks so much! New Kingdom of Egypt By: Bryce R The New Kingdom of Egypt had a great impact on the Egyptian
asked by Bryce 
college math
last month bill's electric bill was $80.77. This month , bill bill was $69.06. what is the%degrease
asked by Anonymous 
physics
An elevator is moving upward at 0.93 m/s when it experiences an acceleration 0.29 m/s2 downward, over a distance of 0.67 m. What will its final velocity be?
asked by jazmyne 
AP Chemistry
For the reaction ? C6H6 + ? O2 ↽⇀? CO2 + ? H2O a maximum of ? moles of CO2 could be formed from 6.38 mol of C6H6 and 6.03 mol of O2. Answer in units of mol
asked by Rafael 
Chemistry/Physics
The equation needed to solve for volumetric flow rate = flow area * velocity How do you calculate flow area when all is given is velocity 1 m/s and 6000 m^3.
asked by Angie 
Honors PreCalculus
The prompt says "Graph each function. Determine the interval[s] for which the function is increasing and the interval[s] for which the function is decreasing." The problems that are given in this prompt are: 1. y= x^3+3x^29x 2. f(x)=1/(x+1)4 3.
asked by Jessica Miller 
Physical Chemistry
Take 3.00 mol of an ideal gas at Pi=25.0 bar, Vi=4.50L, and expand it isothermally. Calculate the work done in two different processes. a. Reversible expansion at Pf=4.50 bar b. Irreversible expansion at Pext=4.50 bar
asked by Sarah Kennedy 
english
Imperative Interrogative Declarative Exclamatory 1.what a ball game this 2.Wear your boots in the rain. imperative
asked by Madison 
Logarithms
1.) A fossil is burned and the CO2 produced is captured. It produces 453 counts of radiation per gram. Under the same conditions atmospheric CO2 produces 19 277 counts. Calculate the age of the fossil. I have the formula: Nt = N0 e^ t(ln2)/T Nt is the
asked by Amy 
math
Write the following number in all three forms of expanded notation: 273.32
asked by dell 
Chemistry
Which car gets the best mileage? Car A gets 32 miles per gallon Car B gets 14 kilometers per liter
asked by cristine 
Math
Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2, 5) Point: (0, 9)
asked by Peter 
college alg
find the equation of a line that is perpendicular to line y=1/6x+6 and contains point (7,0) y=? please show work so i can see how its done
asked by alli 
math
use each of the digits 3,7,1,5 once to write a number that rounds to the number given
asked by yeidi 
physics
Two ants race across a table 63 cm long. One travels at 5.14 cm/s and the other at 3 cm/s. When the first one crosses the finish line, how far behind is the second one? Answer in units of cm
asked by argelia 
History
When did the dark ages occur? How did it start? What happened during those times? How did it end?
asked by Devi 
Math
x^2 + 5x 10= 0 has 2 solutions A and B where A < B and A = ? and B = ?
asked by Curtis 
MATH
for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x9; g(x)=5x/8x9 A) (f+g)(x)=? B)domain of (f+g) c) (f/g)(x)=? d) domain of f/g? please show work
asked by Anonymos 
Math Qs. Check!!!!!!
Jake puts pennies into a jar each morning and lets his brother take haft of the pennies out each morning. Jake put 10 pennies into the empty jar on Monday morning. On Tuesday he put in 15 pennies. One Wednesday he put in 12 pennies. How many pennies are in
asked by Laruen 
Math (help)!!!!
Paula looked at a map of her city. The map indicated that 1 Inch represents 3 miles. Paula's home and City Hall 2 1/3 inches apart on the map. What is he distance between her home and City Hall. a) 6 1/2 miles b) 7 miles c) 14 miles d) 5 1/3 miles
asked by Laruen 
Math
A circle has the equation x^2+y^2+6x46=0 graph using (h,k) radius r A) how do i graph this properly B) intercept are?
asked by Anonymos 
Science
Does the material of the rod affect the period of time taken by a pendulum? if so, how? like maybe, if the mass of the rod is heavier, it will take a shorter time, etc.
asked by Mason 
Math
Solve the equation for x. 30x+10x=40=16x+8
asked by Stephanie 
Math (help)!!!!
Show two ways of simplifying this expression: 4(253)
asked by Laruen 
Review Story
Can you please review this summary of the New Kingdom of Egypt I did for Geography? Its just suppose to be a basic summary. I mainly struggle with capitalization and I never know what should and shouldn't be capitalized. Also, is there anyway I could make
asked by Bryce 
history
The _______ damanded that Latin American countries keep their financial affairs on order or risk intervention by the United States
asked by jerry 
math
what is 1/30 plus 3/20??????
asked by shaniya 
history
The presidential election of 1928 pitted Al Smith of New York against.
asked by jerry 
heath
Resistance exercises improve muscular strength in persons with such conditions as ________. A. Multiple sclerosis and stroke B. Cerebral palsy and spinal cord injuries C. Cognitive disability D. All of the above
asked by Anonymous 
Math
A baseball is thrown upward from ground level with an initial velocity of 48 feet per second, and its height h in feet is given by , where t is the time in seconds. At what time does the ball reach 10 feet? Round to the nearest tenth. Step by step please
asked by Anon 
Geometry
Find m∠T if m∠T is 20 more than four times its supplement.
asked by Nicole 
Physics
Rocketpowered sleds are been used to test the responses of humans to acceleration. Starting from rest, one sled can reach a speed of 424 m/s in 2.35 s and can be brought to a stop again in 2.16 s. Find the acceleration of the sled while accelerating.
asked by tgarci10 
English
i've got to do research on these questions..grade 9 What does a learner do? What does a communicator do? What does a problemsolver do? What does a community member do?
asked by Lola Styles 
DT
For my DT homework I need to do a health and safety poster on a Pillar Drill. I need to find health and safety facts on a Pillar Drill. Please can you help me. Thanks
asked by Emily 
Algr.2
10(line)24a(line)=20 Absolute value How do I solve this equation?
asked by Jessica 
MATH!!!!!!!!!!!!!!!!!!!!!
10(line)24a(line)=20 Absolute value How do I solve this equation?
asked by Jessica 
algebra
(4h1)/1+h; h=2 the 4h1 is on top of 1+h please can someone explain
asked by brandon 
physics
Hello everyone, I need help solving this question: Spiderman is running along the rooftops jumping from building to building. The distance between 2 buildings is 20m. What trajectory would be most efficient for him to jump at? At that angle,what must his
asked by Leo 
math
What is a 72 times 50. My answer is 3,600
asked by sindy 
CJS/240
Will someone please help me find a website to find the answers to the following? Write a 350 to 700word paper comparing and contrasting the role of the defense counsel with that of the prosecutor. Include an explanation of prosecutorial discretion and
asked by Meka S 
Multivariable Calculus
I was asked to state as a product of speed and unit vector a mass traveling at 1000ft/sec along the vector . I know that v/v gives me the unit vector, which is (1/2i, sqrt(3)/2j). Do I keep the speed as given?
asked by gerald 
Physics
Heather and Matthew walk eastward with a speed of 0.78 m/s east. If it takes them 29 min to walk to the store, how far have they walked? Answer in units of km
asked by Andres 
Physics
Heather and Matthew walk eastward with a speed of 0.78 m/s east. If it takes them 29 min to walk to the store, how far have they walked? Answer in units of km
asked by Andres 
Health care admin.
What are two major challenges and two major issues facing health care providers today?
asked by April 
Math
Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin
asked by Beth 
insurance
As a rule of thumb, experts say that most married people should carry ______ times their net pay in life insurance coverage
asked by kristen 
science
the mass of a shot an Olympic shot putter throws should be measured in what
asked by Ashley 
organic chemistry
How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the consequences for melting and boiling points (in cases of high molecular symmetry versus low molecular symmetry)?
asked by CHRIS 
organic chemisrtry
What must a molecule possess to be able to absorb radiation in the infrared region?
asked by CHRIS 
Algebra
If the principal P=$600, the interest I=210.00, and the T= 5 Years. What is the rate?
asked by Sue Jackson 
Chemistry/Math
I went to my teacher numerous times. I'm still not using the right formulas or equations. Please help. A commonly used rule of thumb is that average velocity in a pipe should be about 1 m/s or less for "thin" (viscosity about water). If a pipe needs to
asked by Angie 
health
what is major depressive disorder?
asked by Anonymous 
Math
Mrs.herts rectangular picture is 8 in by 22 in.what is the area? Please help!!!
asked by Homeworkgirl 
college math
3x=12(x1)
asked by Anonymous 
Math
What are two ways to read x/16?
asked by Matthew 
Math
12x7=8+3x+12
asked by Kayti 
History
DESCRIBE THE BENFITS FOR THE DEVISION OF LABOR?
asked by Cassie 
math
If JK=9x+11 and NO=28, what is the value of x
asked by rob 
geology
determine the Radiocargon age of the sample from its % Modern value. Fragment of Roman Gladiator leather harness 77% modern ___ radiocarbon age BP ____ correct radiocarboned age
asked by k 
math
I tried solving these problems and get stuck . Can you please tell me what am I suppose to do next or did I do them all wrong 1. (x+5)^2 = (x+4)^2 √(x+5)^2 = √(x+4)^2 x+5 = x+4 ? 2. (4x+7)^2 = 144 √(4x+7)^2 = √144 4x+7 = 12 ? 3. (x5)^2 = 30
asked by sara 
math
Mr burr the head custodian is working on putting new numbers on 42 of the 81 classroom doors. He found two numbers for the 23rd door he was working on in the 6th grade hallway whose sum is 35 and their product is 306. What are the two numbers?
asked by fred 
civics
What three rivers meet together and form the largest waterway??
asked by Kate 
AP Chemistry
For the reaction ? C6H6 + ? O2 ↽⇀? CO2 + ? H2O a maximum of ? moles of CO2 could be formed from 6.38 mol of C6H6 and 6.03 mol of O2. Answer in units of mol
asked by Rafael 
Math
Convert 60,000 BTU/hr to in.cubic feet/minute.
asked by Evan 
science
How would you find the thickness of a peice of gold foil.
asked by Anonymous 
Calculus
explain why f(x)=(1)/(x^29) is discontinoues at x=3
asked by daniel 
calc
Suppose that f(x) = 1/x. Find a simplified expression for f(x)f(a)/xa
asked by jane 
Chemistry
Predict whether the following pairs of solute and solvent will result in a solution that completely dissolves. 1. Sodium chloride and water 2. Sodium benzoate and water 3. Sodium benzoate and 1M HCl 4. Benzoic acid and 1M NaOH
asked by Cassie 
Math
Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin
asked by Beth 
math
if my input is 1,2,3,and 4 and my output is 5,10,15,and 20 what would my rule be?
asked by Nena 
math
show why 4.25/0.7 is the same as 42.5/7
asked by dell 
math
show why 7.32(times)0.8 has the same number of digits behind the decimal in the answer as it has in the problem.
asked by dell 
algebra
I know how to do these equations but can't figure these out (x+3)/5=(x2)/4 2x squared + 14x =0
asked by Anonymous 
math
Solve the equation for x 30x+10x40=16x+8
asked by diego 
math
how can you help a student understand that decimal numbers are fractions?
asked by dell 
Math
Find the intercepts and use them to graph the equation. y=x6 A)what are the intercepts B) how do I graph this?
asked by Anonymos 
arithmetic
lim x>0 (e^x^2  1)/(square root(1+sinx) square root(cosx))
asked by Lea 
math
make 2783/1000 a decimal
asked by dell 
humanities
who are the people involved in dark ages?
asked by Hansel 
math
make 0.237 a fraction
asked by dell 
Math
Let p(x)=x^3+4x^2+x6. Find a polynomial g(x) can be (remainder) r, such that p(x) can be expressed in the form p(x)=(x2)g(x)+r
asked by Jeconiah 
math
make 24/9 a decimal
asked by dell 
math
i am a three digit number.if you subtract 419 from me the remainder is 126.what number am i?
asked by marc 
math
there are 45 children in a class.if there are 3 more girls than boys,how many are girls?
asked by marc 
math
Evaluate f(x) = x^2+34 For f(1/4)
asked by Melissa 
math
Let s(t) represent the position of a particle at time t, v(t) is the velocity and a(t) is the acceleration. What is the value of v(9) for the following: Given that the acceleration of the particle at time t is a(t) = 3t^2+ 3t + 10 and that its position
asked by bobby 
Math
Find the exact value of sin 2teta=2 sin teta cos teta given that cos teta =2/3, 0
asked by Jeconiah 
math
Factor each of the following expressions X^2+2x+y^2 5x^216x+3 (X+y)^264 Ax+bxayby
asked by poppy 
Math
Find the exact value of the product sec teta csc teta given that sin teta=3/5 and cos teta =4/5
asked by Jeconiah 
History
What happened during the European dark ages?
asked by Alam 
math
What is the domain and range for each function F(x)=x^26x10 Y=3sinx G(x)=10^x
asked by jezebel 
Math
The four relations are reprinted below: A) y= 2x+34 B) y= x/310 C) y=  (absoulute value of 3x) D) y= (x2)squared What order will result in a final output of 2 when the first input is 8?
asked by Skipper 
History
How did the Dark Ages end?
asked by Bea 
Chemistry
When secondary alcohol oxidized it produces alkanes. Draw the structure of 2,2 dimethyl 3butanol + oxygen and give the names for it.
asked by Jeconiah 
Math
1/x+11/+2=1/6
asked by Cdd 
Math HW Check
Which number is equivalent to the expression below? 9 / 3 + 4 x 2 e) 18 f) 5 g) 14 h) 11 9 / 3 + 4 x 2 3 + 4 x 2  5 I got 5 am I correct????
asked by Laruen 
Quantitative Chemical Analysis
Hg has an AW of 200.59 g/mol and HgS has a MW of 232.66 g/mol. Compute the gram of Hg needed to prepare 20 g of standard containing 1% Hg(wt/wt) Then compute the gram of HgS needed to prepare 20 g of standard containing this same 1% (wt/wt).
asked by Kyuu 
Math
Find all real solutions of equation 2x^2+14=0 Does the equation have real solutions? Yes or No? If yes, x1= and x2= with x1 (less than or equal to) x2
asked by Cdd 
Humanities, social studies
what did the burgundians look like? how did they dress? what culture did they have? what activities did they do in their culture?
asked by Hikari 
humanities
what are the causes of dark ages?
asked by Hansel 
math
solve 2xy=11 and x+y=13 using the elimination method
asked by sonja 
algebra
3x+4x
asked by Jasica 
Math
1. x/4 + 11 = 25 2. x/4  5 = 13 3. x/4 = 13
asked by Jason 
math
7 digit number have 8 in the thousands place.
asked by paul 
6th grade math
what is 13/16 minus 1/4?
asked by Al 
physics
A viking sails from his home port and travels east at 15km/hr.after 10 hours, the wind change and he is blown south west at 20km/hr for six hours.at his point wind drops, the ship is becalmed and doesnot move for the next ten hours.becoming tired of
asked by Emily 
Humanities, social studies
Can someone please give me links or answer these questions: What Culture did the Burgundians have? if so, what did they do (culturally) How did the Burgundians Are they a democracy, monarchy, etc.? How did they make money (politically and economically) I
asked by Mira 
math
Evaluate f(x)=x^2+3x4 F (1/4)
asked by jezebel 
chemistry
What is the rate of reaction when N2O5 equal 2.60×10^2?
asked by Anonymous 
spanish
what is the spanish word for "see you soon"
asked by joe 
english
How is the theme death portrayed in the poisonwood bible and a prayer for Owen meany?
asked by Caylie 
Math
There's a bowl full of candy bars. Mike takes1/3 of the candy bars but returns 4. John then takes 1/4 of what was left but returns 3 , and Henry took 1/2 of the remainder but returned 2. The bowl had 17 candy bars left. How many candy bars were originally
asked by Maya 
math
The sum of two consecutive numbers is 37. What are they?
asked by Anonymous 
algebra
8 + 5(4*2) – 30
asked by Flaco 
math
Find the xintercept and yintercept for y=5+1
asked by Pat 
biology
what units are typically used to measure volume?
asked by Anonymous 
Physics
A car traveling in a straight line has a velocity of 2.36 m/s at some instant. After 3.09 s, its velocity is 9.33 m/s. What is its average acceleration in this time interval? Answer in units of m/s2
asked by tgarci10 
Physics
Heather and Matthew walk eastward with a speed of 0.94 m/s east. If it takes them 57 min to walk to the store, how far have they walked? Answer in units of km
asked by tgarci10 
math
Find the monthly payment for a loan of $31,000 at 7% for 7 years
asked by chantal 
Math
The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and it's supplement.
asked by Nicole 
Physics
How much work does the electric field do in moving a 2 μC charge from a point with a potential of +20 V to a point with a potential of −20 V?
asked by Amanda 
math
what is [x]=x
asked by alicia gropp 
Algebra
Simplifying y^2 + 3 + 3(y^2+1) My answer is 4y^2+6 but the program I am using (Hawkes learning system) says it isnt correct. Any help would be greatly appreciated. I have even used several online calculators to verify and this is the answer they all come
asked by So Lost 
social studies
what are the symbols of the six regions of kentucky?
asked by mary jo 
Math
Which number has the greatest value 1. 86,543,712 2. 82,691,111 3.85,381,211 4.86,239,121
asked by Henson 
Math/Algebra
y^2+6+2(y^2+5) My answer is 3y^2+16 (simplifying) but the hawkes learning system won't accept this answer. Am I missing something?
asked by Laurie 
algebra
[4b8]+[1b^2]+2b^3; b=2 please can someone explain
asked by brandon 
algebra
9[98x]=2x+3 Please can someone explain
asked by brandon 
computer
pros and cons of traditional economy
asked by sl 
Physics
Heather and Matthew walk eastward with a speed of 0.78 m/s east. If it takes them 29 min to walk to the store, how far have they walked? Answer in units of km
asked by Andres 
Algebra
The equation is 5= z  3 Why is the answer 8 and not just positive 8? Please explain the whole negative variable thing.
asked by Annonymous 
history
During the election of1936, declaring their party a "millionair's union," Franklin Roosevelt focused maimly on defending the
asked by jerry 
science
Find the horizontal and vertical components of the velocity of a cannonball 4 seconds after being fired horizontally at 400 m/s from the edge of a tall cliff.
asked by Erika 
Physics
vertically up at 28m/sec, gravity 9.8 meters/sec^2 = what is max. height
asked by Dave 
physics
An elevator is moving upward at 1.00 m/s when it experiences an acceleration 0.28 m/s2 downward, over a distance of 0.74 m. What will its final velocity be?
asked by Shaina 
math
a patient has 8.5ml of blood drwan for testing. Convert this measurement into inches cube
asked by kisha 
Science
Could someone help me list 15 thing that are not matter? Thanks
asked by Shadow 
Algebra I
1/2(1/2m4) Use the distributive property to write an equivalent expression. Please explain the steps as well. Thank you. :D
asked by Vanilla Bear 
physics
In the problem, please assume the freefall acceleration g = 9.80 m/s2 unless a more precise value is given in the problem statement. Ignore air resistance. A stone is thrown vertically downward from the roof of a building. It passes a window 15.0 m below
asked by kevin 
Science
If on earth you weigh 420 newtons, and the gravitational pull on the moon is 1/6 of what it is on earth. What would be your weight on the moon?? Please show work Thanks!! :)
asked by Madelyn Santiago 
Biology
Produce a self portrait showing you carrying out the characteristics of life. Could you explain what exactly is expected of me.
asked by fatima 
business manegment
according to theory emoployees comparethe imputs and outputs of other employees doing similar jobs. unfavorable comparisons may lead to slacking offf on their work or asking a supervisor for either an explanation or a raise
asked by pam