Questions Asked on
February 5, 2014

physics
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 30° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box? Square root of three meters per second
asked by ashley 
Algebra 1
Plz help me with the following problems. Simplify. 5^1(3^2) Simplify. mn^4/p^0q^2 Write a scientific notation. 0.0042 Write in standard notation. 6.12*10^3 Simplify. Write in scientific notation. 0.5(8 * 10^5) Simplify. Write in scientific notation. (9
asked by Gabby 
english
9. What personality trait does Odysseus reveal when he devises a plan to listen to the Sirens' song and yet escape destruction? (1 point) irritability loyalty curiosity generosity10. Read the following passage from the Odyssey: Tell me, where was it, now,
asked by love 
Calculus 2
Find Mx, My, and (x, y) for the laminas of uniform density ρ bounded by the graphs of the equations. y=sqrt(x)+4 y=(1/2)x+4 The I keep getting 20/3 for Mx but webassign acts like it is wrong.
asked by Dominic 
physics (clear answer)
An airplane traveling north at 400 m/s is accelerated due east at a rate of 50 m/s2 for 6 s. If the effects of air resistance and gravity are ignored, what is the final speed of the plane?
asked by jason 
spanish
celoso/a compartir deprimido/a discutir inmaduro/a mal odiar separarse tener celos María y Pedro se conocieron la semana pasada. Se llevan muy bien. María es muy simpática y Pedro es muy gracioso. Pedro coquetea mucho con María. Creo que se quieren
asked by Tina 
chemistry
a .50 sample if vegetable oil is placed in a calorimeter. When the sample is burned, 18.9 kJ are given off. what id the caloric value, in kcal/g
asked by Anonymous 
math
In a 365 day calendar year, there are ____ more oddnumbered days than evennumbered days. Please Explain
asked by nisrin 
quanitative methods
The time required to complete a project is known to be normally distributed with a mean of 44 weeks and a standard deviation of 8 weeks. (a) What is the probability that the project is finished in 40 weeks or fewer?
asked by Anonymous 
SS
Which of these groups contribute to total GDP? A. human records, raw materials, capital goods B. government spending, capital goods, net imports C. net imports, net exports, household spending D. net exports, household spending, government spending D?
asked by Anonymous 
Physics
What is the weight of a 22.0 kg mass at the equator on the surface of Saturn? The mass of Saturn is 5.69 x 10^26 kg and the radius of Saturn is 6.03 x 10^7 m I tried this one using the equation : Fg= Gm1m2/r^2 Fg= (6.67 x 10^11)(22.0kg)(5.69 x 10^26kg) /
asked by Anonymous 
Chemistry
Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
asked by Chemistry 
physics
you are driving up a long, inclined road . after 1.20 mi you notice that signs along the roadside indicate that your elevation has increased by 550 ft.
asked by Anonymous 
Math
.50x+.20y=3.60 x+y=9
asked by Chris 
Math
Five pounds of birdseed is used to fill 4 identical bird feeders. A. What fraction of the birdseed will be needed to fill each feeder B. How many pounds of borked seed are used to fill each feeder? C. How many ounces of birdseed are used to fill three bird
asked by Garrett 
Math
How many 2/3 cup sugar bowls can be filled from 8 cups of sugar?
asked by Arica 
MATH
(4 pts) The score on an exam from a certain MAT 112 class, X, is normally distributed with \mu = 77.6 and \sigma = 10.9. NOTE: Assume for the sake of this problem that the score is a continuous variable. A score can thus take on any value on the continuum.
asked by Violet 
Plz, plz help! SS
What resources led to the appearance of the Industrial Revolution in New England? During the early 1800s, the United States tried to make peace with other countries in order to grow and develop. Give an example of one of these peace efforts and briefly
asked by Anonymous 
MATH
(5 pts) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with \mu = 9.7 inches and \sigma = 1.7 inches. (a) Is X a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) Write the event
asked by Violet 
physics
Two boxes are connected by a cord running over a pulley as shown in the picture below. Box I of mass 8.0 kg is on the top of the table; the coefficient of kinetic friction between box I and the table is 0.10. Box II has a mass of 15.0 kg. What is the
asked by ashley 
Math
Could someone help me with these questions? Thanks! a) A cargo plane left Vancouver, British Columbia (time zone −8) at 3:00 p.m. on a Monday. The plane ﬂew for 11 h to Paris, France (time zone +1). At what local time and on what day did the plane land
asked by Chelsea 
science(CHECK ANSWERS)
which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis. B.when the interior of a car absorbs sunlight and warms up. C.when a solar panel absorbs sunlight to
asked by taylor 
physics
As a rock of mass 3.0 kg drops from the edge of a 60. meter high cliff, it experiences air resistance, whose average strength during the fall is 22. N. At what speed will the rock hit the ground? Answer 1.5 m/s 13 m/s 18 m/s 26 m/s 34 m/s
asked by ashley 
Pre calc
8sinxcosx=1 I don't know where to go after 2sinxcosx=1/4
asked by Lily 
chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl
asked by derek 
Math
Anderson has a phone plan that charges a monthly rate of $50 for the first 1,000 minutes plus $0.25 for each additional minute. Which of the following functions models Anderson's plan for all m > 1,000, with m as the number of minutes per month and f(m) as
asked by Anonymous 
Physics
If the period of a transducer is 0.83msec, what is the HZ?
asked by Katie 
Chemistry
Aspirin, C9H8O4 , is produced through the following reaction of salicylic acid, C7H6O3, and acetic anhydride, C4H6O3: C7H6O3(s) + C4H6O3(l) > C9H8O4(s) + HC2H3O2(l) A. What mass of aspirin (kg) could be produced from 75.0 mol of salicylic acid? B. What
asked by Amber 
Chemistry
Magnesium metal reacts with phosphoric acid to produce hydrogen gas. If 50 g of phosphoric acid is used, how much magnesium metal is needed? How much hydrogen gas is produced?
asked by Crystal 
Accounting
Please explain I'm so lost Chandler Ltd. estimates sales for the second quarter of 2014 will be as follows. Month Units April 2,550 May 2,475 June 2,390 The target ending inventory of finished products is as follows. March 31 2,000 April 30 2,230 May 31
asked by Kristina 
trig
A kite is flying at an angle of elevation of about 40 degrees. All 80 meters of string have been let out. Ignoring the sag in the string, find the height of the kite nearest ten meters.
asked by Jasmine 
Physics
A football is kicked at ground level with a speed of 17.9m/s at an angle of 39.0∘ to the horizontal. How much later does it hit the ground?
asked by Jack 
Science
5. The process of desertification can occur when (1 point) A. plants usually found in the desert replace trees that have been cut down B. farmers use contour farming techniques C.an area of forest is clearcut*** D.an area of forest is selectively cut
asked by Gabby 
Math
Can the sum of two mixed numbers be equal to 2? Explain why or why not.
asked by Hero 
Math
I have a graph which is graphed by the equation f(x) = x  4 and I'm asked to find the solution to the equation f(x) = 0. What would the solution be?
asked by Anonymous 
chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl
asked by derek 
Math
The 80 students in the 5th grade at north side elementary school voted for their favorite animal after a trip to the zoo.the elephant received 3/5 of the votes.how many votes did the elephant receive.
asked by Martha 
Chemistry
Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the
asked by Stacy 
Chemistry
Answer the following questions about the characteristics of the elements in Group 2 (the alkaline earths). How do they react with iodine? How do they react with water? How do they react with oxygen? Which reacts the most vigorously? Which element in the
asked by Help 
Math  Alg
How much water must be added to an 80% acid solution to make a mixture of 50mL which is 70% acid?
asked by McKenna Louise 
Agarwal Siksha samithi
A Vertical pole of 5.6m height carts a shadow 3.2m long at same time find the height of pole which carts a shadow 5m long.
asked by Sonal Bansal 
physics
The pulse duration of the transducer is 0.6 microseconds. The frequency of the transducer is 8MHz. How many cycles are contained in that pulse?
asked by Katie 
science
Which statement about supercell storms is false? A. A supercell storm can develop into a selfsustaining, extremely powerful storm. B. A supercell storm is characterized by rotating updrafts. C. A supercell storm occurs only during the winter months. D. A
asked by ddee 
U.S History  need Help to check my answer
Document A  “Sir, our vessels are now captured when destined to the ports of France and Britain without even the pretext of having on board contraband of war, enemies' property, or having in any other respect violated the laws of nations.. . . . Over
asked by Cassidy 
Basic Algebra
What is the slope of any line perpendicular to the line 4x2y=10 ?
asked by Josh 
Physics
) What is the minimum uncertainty in the velocity of an electron that is known to be somewhere between 0.050 nm and 0.10 nm from a proton?
asked by Jake 
Chemistry
Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
asked by Chemistry 
Math
Show all the ways of breaking apart 8/8 write the equations next to each array and draw a line to separate it.
asked by Anonymous 
physic
ten dipoles, each consisting of two charges + 19 uC, are located within a spherical surface, the radius of which is 2 mm. What is the flux density through the sphere i got 4.1*10^6 Nm^2/C ???????????
asked by buline 
English III
In the following sentence identify the appositive or appositive phrase and the noun or pronoun renamed by the appositive. Mother gave a birthday gift to Mary, my youngest sister.
asked by michael 
algebra
what value makes the polynomial factor as a perfect square x+12+?
asked by juan 
Math
I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10ºC and the wind speed was 25 km/h. The air temperature dropped by 5ºC in the evening, but the
asked by Dennis 
physics
A basketball is launched with an initial speed of 10.0 m/s and follows the trajectory shown. The height of the basket y= 1.50m.From what distance x the ball is shot? Note: The drawing is not to scale. Angle is 45degrees
asked by reb 
criminal
Criminal offenses that employ advanced or emerging technology are called _____. A. technocrimes B. cybercrimes C. computercrimes D. electrocrimes
asked by a.c 
AP chem
Consider the titration of 50.00 ml .250 M HBr with .100 M Ba(OH)2. What is the pH after the following additions of Ba(OH)2 to the 50 ml of hydrobromic acid? 0 ml. 15 ml. 25 ml. 50ml. 51ml.
asked by Dan 
physic
During fair weather, an electric field of about 100 N/C points vertically downward into the earth's atmosphere. Assuming that this field arises from charge distributed in a spherically symmetric manner over the surface of the earth, determine the net
asked by julone 
Writing Evaluation (Writeacher!)
What do you think? Have I written according to the directions? What improvements do you suggest? Write 2 paragraphs describing Annie Johnson's sitation ("New Directions" by Maya Angelou.) A: Annie Johnson’s situation shows the familiar struggle that many
asked by Anonymous 
PreCalculus
A certain sum of money is invested in a business. in each year this investment earns 1 1/2 times as much as in the preceding year. If the investment earned a total of $29,250.00 in four years, how much did it earn in the fourth year?
asked by DanielleK 
Physics
A particle starts from the origin at t = 0 and moves along the positive x axis. A graph of the velocity of the particle as a function of the time is shown in the figure; the vaxis scale is set by vs = 7.0 m/s. (a) What is the coordinate of the particle at
asked by Robin 
Chemistry AP
What are the concentrations of benzoic acid and sodium benzoate in a solution that is buffered with a pH of 4.55 and has a freezing point of 2.0 degrees Celsius? (assume complete dissociation and a density of 1.01g/mL for the solution.)
asked by Cj 
Trigonometry
If a ship leaves port at 9:00 a.m. and sails due south for 3 hours at 14 knots, then turns N 60° E for another 2 hours, how far from port is the ship? A. 14 nm B. 17.75 nm C. 21.5 nm D. 22.6 nm PLEASE HELP!
asked by John 
Math
The area of a rug was 45 square ft.the rug was separated equally into four colors.how many square feet were there in each color?
asked by Martha 
Math
Tickets for the school play were $6.00 and 1/5 of each ticket paid for the cost of printing the programs.how much of each ticket went towards printing the programs.
asked by Martha 
SS
5. How did western settlement help improve the nation’s economy? The number of people searching for gold increased, thus increasing the amount of gold in the United States. The number of people looking for nonfactory jobs increased, thus increasing the
asked by Anonymous 
Math
It takes Kelly 3/4 hour to bake a small loaf of bread.how many loaves of bread can she bake in 3 3/4 hours if she bakes one loaf at a time.
asked by Martha 
algebra
square route of 2 plus the square route of 1 plus k = 2.24
asked by frank 
physics
5. A charge of 5.00 nC and a charge of 2.00 nC are separated by a distance of 40.0 cm. Find the equilibrium position (where the net force equals zero) for a third charge of 15.0 nC.
asked by Anonymous 
Chemistry
complete the equation. Na + H2>
asked by Stacy 
SS1 question
Which of the following was Daniel Webster speaking of when he declared, "Liberty and Union, now and forever, on and inseparable!"? regional differences international differences improved transportation improved industry My answer is A
asked by Anonymous 
biostatistics
Seventeen people has been exposed to a particular disease. Each one independently has a 40% chance of contracting the disease. A hospital has the capacity to handle 10 cases of the disease. What is the probability that the hospital's capacity will be
asked by Ann 
math
square root of 2+(square root of 1+k)equals the square root of 5. Solve for k
asked by frank 
Math
Subtract fractions: The third graders used the recipes below to make Native American desserts for Multicultural Day. Use the recipes to solve each problem. Cherokee Blackberry cobbler 1/4 quart black berries 1 cup corn meal 1/3 cup milk 3/6 cup honey 2/16
asked by Nawaf 
social science
Think about the war between the United States and Iraq. To what degree, if any, did political culture play a role in the decision to go to war, the public’s support of the war, and how public officials discussed the war? Looking at this example, reflect
asked by Julie 
Calculus
I'd really like some help in solving an integral. ʃ 1/ √x (13√x) In numerator: 1 In denominator: the square root of x times 1 minus 3 times the square root of x The answer given is 2/3 ln l13√xl + C but I don't know how to get there.
asked by Anonymous 
math
the lawn rectangular shaped with a lenght of 10 yards and a width of 40 yards. A bag of seed covers 50 square yards at a cost of $4.99 per bag. What is the total area of the new lawn?
asked by sharon 
science
an astronaut has a mass of 100 kg. she recedes from her spacecraft using spurts of gas from a small unit on her back. if the force generated by the gas spurt is 50N, calculate her acceleration?
asked by Emily 
Math urgent
If slope= 4;(3,8) what would be the equation in pointslope form? Please show your work.
asked by Sarah 
math
The lawn is rectangular shaped with a length of 10 yards and a width of 40 yards. A bag of grass seeds covers 50 square yards at a cost of $ 4.99 per bag. What is the total area of the new lawn? How many bags of grass seeds will they need to buy? What is
asked by sharon 
chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl
asked by derek 
chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl
asked by derek 
algebra
If Will gives Molly $9 dollars he will have the same amount of money as her. If Molly give Will $9, the ratio of money she has to the money will has will be 1:2. How much money does will have in the beginning?
asked by Dylan 
chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl
asked by derek 
Math
Which is a good comparison of the estimated sum and the actual sum of 7 7/8 + 2 11/12? A. Estimated < actual B. Actual> estimated C. Actual = estimated D. Estimated < actual I chose D
asked by Hero 
SS
One way that political leaders can avoid paying the full costs of a policy is by raising taxes. borrowing money. cutting other spending. retiring from office. A The term "full costs" refers to the cost (in terms of money) of a policy, but there might not
asked by Anonymous 
sciene(HELP)
which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis. B.when the interior of a car absorbs sunlight and warms up. C.when a solar panel absorbs sunlight to
asked by taylor 
gwagwa
a bullet of 0.05kg has a speed of 400m/s what is it kinetic
asked by ukwu 
SS
What is one certain longterm cost of adding to the national debt? Americans in the future must have fewer public services. Americans in the future will not vote in elections. Americans in the future will not enjoy the benefits of the program. Americans in
asked by Anonymous 
Reading
They fought prejudice against women. Does this sentence mean that "they" side with the women and help fight against prejudice?
asked by Anonymous 
Precalculus
Suppose that the mean score of 250,000 students on the mathematics part of the SAT is 468 and the standard deviation is 104. Suppose that you make 650 on the SAT mathematics part. a. How many standard deviations is your score above the mean? How do you do
asked by Anonymous 
Precalculus
1. Gas Mileage Problem The EPA efficiency rating Ina particular model of new car says that the car is expected to get 22.7 miles per gallon (mpg) of gasoline. Assume that the standard deviation is 1.4 mpg and that the actual mileage are normally
asked by Anonymous 
chemistry
The normal boiling point of Rh is 3727°C. What is its vapor pressure in mm Hg at 2914°C, if its heat of vaporization is 557.0 kJ/mol?
asked by hershi 
math
doug earned $40 from weekend job. he spent 1/4 of it on cd and 1/5 on movie ticket. how much money does he have left?
asked by jesse 
physics
Find the length of a simple pendulum that has a period of 5.00s . Assume g = 9.81 m/s2. Express your answer to three significant figures and include the appropriate units.
asked by John 
math
what is tan 18?
asked by abbie 
physics
If the frequency of a transducer is 5MHz, what is the period?
asked by Katie 
Math  Alg
How much pure acid must be added to a 30% acid solution to make a 60L solution which is 50% acid?
asked by McKenna Louise 
Math
I am an old number with zero in my tens space. I have a square number less than 9 in my tens of thousands space and half of that in the thousands space. My hundreds digit is 4 more than my tens digit and my ones digit is less than 3.
asked by Aliyah 
math
square root of [2+(square root of 1+k)]=square root of 5. Solve for k
asked by frank 
English
PLEASE HELP ME! I have been trying all day! I need a sentence for tomorrow that follows this pattern and ends with a ! Pronounpredicate verbverbarticleproper nounverbarticle=adjectiveproper noun preposition  proper noun ! Please I'm begging HELP
asked by Jimmy 
Physics
If you can throw a stone straight up to a height of 18m, how far could you throw it horizontally over level ground? Assume the same throwing speed and optimum launch angle.
asked by John 
chemistry
convert the value of the vapour pressure (149.4 torr) at 60 degree celsius to atm
asked by GAGAN 
physics
If an ultrasound beam at the focal zone has a power of 0.050 watts and the area at this focal zone is 4cm^2, what is the intensity of the beam?
asked by Katie 
English
On my English Hw it had this quote from the story "in exactly one hour it will be Christmas. The boy said, where's the candles? Where's, where's the tree and presents." Is this a sense of excitement or does this quote mean he has never experienced
asked by Anonymous 
physics
What is the wavelength of a 4MHz transducer?
asked by Katie 
physics
what is the propagation speed of a 5MHz transducer?
asked by Katie 
Chem
When conducting an experiment on determining density, what would the variable be? not the mass or temperature...can't figure it out. Thanks MC
asked by mysterychicken 
Math
Martina and Carl are part of a team that is studying weather patterns. The team is about to launch a weather balloon to collect data. Martina's rope is 7.8 m long and makes an angle of 36.0 deg with the ground. Carl's rope is 5.9 m long. Assuming that
asked by McKenna Louise 
Basic Algebra
What is the slope of any line perpendicular to the line 4x2y=10 ?
asked by Josh 
physics
The wavelength of a pulse is 0.1925mm. There are 5 cycles in the pulse. What is the spatial pulse length?
asked by Katie 
SS
What does this poll most suggest about U.S. citizens? A.They believe that higher taxes are worth the costs and benefits. B.They think that most government programs have little value. C.They prefer fewer public goods and services over higher personal costs.
asked by Anonymous 
spelling
what is allot
asked by Anonymous 
Physics
we have to transpose the following equation to find p, but I don't quite understand how to come up with the correct answer: x^2/p^2 + y^2/q^2 = 1 Appreciate help, thanks
asked by Melody 
Angle of elevation
John stands at 12 feet from the foot of a tree. The angle of elevation to the top of the tree is 60°. What is the height of the tree?
asked by kris 
General Chemistry
How do the vapour pressure of two substance at the same temperature but with different strengths of the intermolecular forces compare. Give a molecular explanation of why this is so.
asked by Raj 
Science
Density is given in ____. a.Pa/cm3 b.N/m2 c.g/s2 d.g/cm3 I cant rremember, c?
asked by :) 
Basic Linear Algebra
1. At what point does the graph of f(x)=3x12 crosses the xaxis? 2.At what point does the graph of f(x)=5x+1 crosses the yaxis?
asked by Shin 
English
The opposite meaning of Incongruity. A. Symmetry B. Arrest c. Opponent D. Abundance A
asked by Hayley 
Algebra
3 1/4 +n=9 1/12
asked by Chyna 
science
The active sections that are located along fault lines are called A. seismic risks. B. recurrence gaps. C. seismic gaps. D. stress accumulations. i think it might be c
asked by ddee 
math
paying off 100,000 mortgage at 7.5% interest in 5 years! what are the monthly payments?
asked by Russell 
Science
Archimedes' principle states that the buoyant force on an object is equal to the density of the fluid it displaces. true?
asked by :) 
criminal
Which of the following is not a type of domestic terrorism1 A. militias B. singleissue extremist groups C. ecoterrorism D. AlQaeda
asked by a.c 
Math
Hi, Could you please show me a step by step worked solution to this question? Factorise: 6p^2  17pq + 12pq^2 I am getting confused as what to do when there are two "squares". the answer should be "(2p 3q)(3p 4q)" Thank you very much!!!
asked by Mez 
Chemistry
Calculate the formula mass for each of the following halogen compounds to five or more significant figures:? bake asked 5 months ago (a) NaIO3 (antiseptic) (b) CCl2F2 (former refrigerant)
asked by Chemistry 
math
a parabolic bridge over a road is 4 meter tall 4 meter wide and 5 meter long determain the maximum height of a 2 meter truck can drive under the bridge
asked by mariam 
math
3 3/5p =2/5
asked by Joe 
science
_______ magma causes powerful and explosive volcanic eruptions. A. Composite B. Rhyolitic C. Andesitic D. Basaltic im tottally lost
asked by ddee 
ENGLISH
YES YES YES THANK YOU THANK you thank you soooooooooooooooooooooooomuch!
asked by Jimmy 
physics
7/8 part of a substance decays in 45 days what is its half life
asked by abi 
Physics
You are pulling a crate across the floor. The crate has a mass of 75.0 kg. You exert a horizontal force of 120. N to the left. Friction exerts a force of 82.0 N to the right. What is the magnitude (fill in box) and direction of the acceleration of the
asked by Josie 
chemistry
6 part question 1. describe the appearance of a Bunsen flame that is getting insufficient air? 2. describe the appearance of a Bunsen flame that is getting too much air. 3. When inserting glass tubing into a rubber stopper, how far from the stopper should
asked by Lisa 
Chem
Not sure how to solve: If a sugar solution has a density of 0.98 g/cm^3, what is the percent mass sugar content? Thanks MC
asked by mysterychicken 
Math
How would you solve this system? Y=x+3 Y=x+4
asked by Anonymous 
AP Chemistry
what is the pKa of an acid that has a pH of 7.4 at neutralization and has to have 25 mL added to neutralize it
asked by Gabriella 
maths
a taxi ride of 20 kilometers costs £24, how much would it cost for 25 miles
asked by d gibbon 
math
Value ways 2 3/5 miles each day.Bill runs 10 miles once every 4 days. In 4 days, who covers the greater distance?
asked by krystal 
Physics
Consider an interstellar spaceship powered by matterantimatter reactions. The energy resulting from the matterantimatter reactions is ejected from the exhaust as electromagnetic radiation producing thrust. The design goal is to have the thrust produce an
asked by Monika 
Physics
How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:
asked by Monika 
Integrated Science
What is he final temperature after 80.0 calories is absorbed by 10.0 grams of water at 25.0 *C?
asked by Anonymous 
Physics
How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:
asked by Monika 
English
Hello. I will be very grateful if you help me: 1)do you think it's possible to say "a free contraceptives distribution" or "a free contracetptive distribution"? 2) is it OK to say "his priest career" or "his career of a priest"? 3) do you think it's
asked by Nalmi 
physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +5.2 m/s and ax = +5.9 m/s2. The y components of the puck's initial velocity and
asked by mel 
Coordinate geometry
Our lesson coordinate geom already now analytic proof . HOW TO DO ANALYTIC PROOF ? PLEASE PLEASE HELP THANKS VERY MUCH
asked by Joy 
Health/PE
I am completing a project for PE/Health and I am stuck. Can you help me? The problem is below: Choose any eight that stretch different parts of your body. Be sure to balance your body by stretching opposite body parts. For example, if you stretch your
asked by Elina 
Math
I don't really understand this, could someone help me solve it? a) In her ﬁrst round as a professional golfer, Michelle Wie made 12 pars, 4 birdies, and 2 bogeys. Refer to the chart of golf terms on page 336. How many strokes above or below par was she
asked by Steven 
Math
Which property of multiplication states that changing the order of the factors does not change the product?
asked by Nawaf 
calculus
At midnight, ship B was 90 km due south of ship A. Ship A sailed east at 15 km/hr and ship B sailed north at 20 km/hr. At what time were they closest together?
asked by chen 
calculus
At midnight, ship B was 90 km due south of ship A. Ship A sailed east at 15 km/hr and ship B sailed north at 20 km/hr. At what time were they closest together?
asked by chen 
Accounting
During the fiscal period just ended some of the inventory in the warehouse of Jamie Ltd. wasn’t counted. Jamie Ltd. uses a periodic inventory control system. Explain how the following are affected by the error: • Net income • Current ratio
asked by Callie 
pre ap math
a playground is 100ft by 150 ft. you want to make a scale drawing of the playground on a 8.5 by 11 paper what scale could you use? please help
asked by ariana 
Ap Chemistry
Adding or taking away small amounts of water in a reaction that takes places in an aqueous solution ____________________ affect the overall concentration of water.
asked by Anonymous 
heart and lungs/cardiorespiratory fitness
what is the ideal length of time for a cooldown following an intense workout a.0 to 3 minutes b.15 to 20 minutes c.3 to 5 minutes d.5 to 15 minutes my answer is d
asked by susue 
SS
Which of these events would most likely cause a recession? A. the price of gasoline rises by 10 percent. B. political leaders pass huge spending cuts. C. many people find new jobs at the same time. D. the value of total net exports rises unexpectedly. B?
asked by Anonymous 
Math
Ms. Sue,, Look to the answer
asked by Nawaf 
heart and lungs/cardiorespiratory fitness
the heart may become larger when an aerobic fitness program is followed.how does this benefit the body? a.the heart can work more efficiently b.the heart and lungs feel better c.the heart can use more ATP d.the heart and lungs look better when xrayed my
asked by susue 
literature
What do “Tepeyac” and “Marian Anderson: Famous Concert Singer” have in common?
asked by Anonymous 
math
3 3/5p =2/5
asked by Joe 
Physics
A speedboat increases in speed from 21 m/s to 30.9 m/s in a distance 191 m. a)Find the magnitude of its acceleration. Answer in units of m/s^2. b)Find the time it takes the boat to travel this distance. Answer in units of s.
asked by Smith 
science
6 FeCl2(aq) + K2Cr2O7(aq) + 14 HCl(aq) ==> 6 FeCl3(aq) + 2 CrCl3(aq) + 2 KCl(aq) + 7 H2O(l) How many milliliters of 0.0750 M K2Cr2O7(aq) will react with 0.038 mol of FeCl2(aq)? I used the equation Molarity=Mole/Volume and divided my answer by 1000 to get
asked by Cassie 
statistics
A neuropsychologist is interested only in studying the most deviant portion of this population, that is, those individuals who fall within the top 10% and the bottom 10% of the distribution. She must determine the ages that mark these boundaries. What are
asked by Mona 
math  interest rates/annuity
Plan to save $5000 per year for retirement with first investment made 1 year from now. Plan to earn 10% per year on investments. Plan to retire in 43 years, immediately after making last $5000 investment. a) if, instead, decide to withdraw $300,000 per
asked by Sushmitha please help 
Science (please check my answers)
7. During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. The type of energy released is (1 point)
asked by CCA 
social studies
I need help with this question haha blonde With the existing colonies or dependencies of any European power we have not interfered and shall not interfere. But with the Governments who have declared their independence and maintained it, and whose
asked by kitten 
ICD9CM and CPT Codes
32year old female was burned by hot grease in her kitchen 1 week ago She is in the hospital based wound clinic for large dressing changes on both extremities following seconddegree burns to both arms. This is accomplished without requiring anesthesia.
asked by Anonymous 
physics
A 15.0kg box is released from rest on a rough inclined plane tilted at an angle of 45° to the horizontal. The coefficient of kinetic friction between the box and the inclined plane is 0.200. What is the force of kinetic friction on the box? Answer
asked by ashley 
The Odyssey Part 2
can i get a link or a summary of: The Odyssey Part 2?
asked by _ 
History
How did the belief in Manifest Destiny contribute to the westward expansion of the United States? a.Americans believed expansion would offer new economic opportunities. b.Americans believed they could learn important values from other cultures. c.The
asked by :) 
math
rearrenge y=mx+c
asked by milagro 
science(CHECK ANSWERS)
which of the following is the best example of transforming electromagnetic energy into thermal energy? A.when trees absorb sunlight for photosynthesis. B.when the interior of a car absorbs sunlight and warms up.(I PICK THIS) C.when a solar panel absorbs
asked by taylor 
Physics
A 3.00 gram lead bullet travels at a speed of 240 m/s and hits a wooden post. If half the heat energy generated remain with the bullet, what is the increase in temperature of the embedded bullet? (clead = 128 J/kg C)
asked by Nina 
Art
what 2 colors make purple?
asked by Joshua 
math help
Evaluate 1/8n + 2 1/4 n=3/4 How do u solve
asked by Joe 
English
1. The price itself is expensive. 2. The price itself is high. 3. The price itself is cheap/inexpensive. 4. The price itself is low. (Are they all grammatical? Which one is incorrect?)
asked by rfvv 
Math
Mr Connors drives his car 11 miles each day to and from work. Is this distance mr Connors drives commuting to work proportional to the number of days he works ? How do you know?
asked by Niko 
Social Studies
I have a question was Osceola a Seminole chief? My book says:"He had no claim on hereditary leadership among the Seminole, but his determination and charisma soon attracted a large following." When I google it it says he wasn't a chief on some sites and on
asked by Sue 
Physics
What is the temperature increase of water per kilogram at the bottom of a 145 m waterfall if all of the initial potential energy is transferred as heat to the water?
asked by Carla 
Anatomy and Physiology
A young child has a neurological disorder that causes spastic paralysis. What disease does this child most likely have? A. Huntington's disease B. Myasthenia gravis C. Subdural hematoma D. Cerebral palsy
asked by Diana 
physics
in a modern nonlinear dynamic experiment, small beads are vibrated on a plate; when the beads start to move, interesting patterns form. If the plate vibrates at 250 hz, for what amplitude of motion will the bears start to lift off?
asked by Anonymous 
Physics
You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle θ with respect to the horizontal. Let the
asked by Malorie 
physics
A 101.6N bird feeder is supported by three cables as shown in the figure below. Find the tension in each cable
asked by Anonymous 
math vectors
Find the angle between two vectors. In radians and in degrees. u=, v= I got radians = 1.676 degrees = 96
asked by jay 
chemistry
1.64 L of a 4.95 M solution is diluted to form a 2.58 M solution. (Rounded to 3 sig figs) there are __________ L of the 2.58 M solution formed.
asked by Pooja 
chemistry
What is the percent recovery if you begin with 0.482 grams of copper and recover 0.325 g? Include one decimal place in the answer and do not include the % sign. Answer
asked by cece 
Math
If tickets cost 12 dollars for students and 18 for adults and 162 dollars is collected from 12 people how many adults and students are in the group
asked by Joel Sue 
Physics
You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle θ with respect to the horizontal. Let the
asked by Malorie 
Physics
A 500.0 kg object is attached by a rope through a pulley to a paddlewheel shaft that is placed in a wellinsulated tank holding 25.0 kg of water. The object is allowed to fall, causing the paddle wheel to rotate, churning the water. If the object falls a
asked by Carla 
Algebra 1
Sam collects insects. However, he only collects ants and beetles. One night while collecting insects for his collection, Sam had an unproductive hunt. The number of ants plus twice the number of beetles was only eight. The difference between the number of
asked by Alexzander Garcia 
math
Ashleys class bought 3 bags of bird sees and a bird feeder for their class garden area. The bird feeder cost $27. Write an expression that can be used to find the total cost.
asked by Anonymous 
criminal
THANK YOU!!!!! Ms. Sue
asked by a.c 
Research Project: Anatomy & Physiology 1
I need help with Research Project: Anatomy & Physiology 1
asked by Diana 
Science
What is indicate by the color of the stars? List and label them.
asked by Anonymous 
physic
If there are fewer electric field lines leaving a Gaussian surface than there are entering the surface, what can you conclude about the net charge enclosed by that surface?
asked by boluner 
trig
A kite is flying at an angle of elevation of about 40 degrees. All 80 meters of string have been let out. Ignoring the sag in the string, find the height of the kite nearest ten meters.
asked by Jasmine 
math
Y+4/5=3 1/10 how do u solve
asked by Joe 
precaculus
1. Gas Mileage Problem The EPA efficiency rating Ina particular model of new car says that the car is expected to get 22.7 miles per gallon (mpg) of gasoline. Assume that the standard deviation is 1.4 mpg and that the actual mileage are normally
asked by Anonymous 
physics
thanks for the answer but can i get more explanation
asked by Williams 
Math
the sum of two numbers is 43. the larger number is 9 more than the smaller number. what are the numbers
asked by Tamara 
Check essay? thankies :)
Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing, equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be
asked by :) 
criminal justice
Which of the following is probably the fastest growing crime? A. software piracy B. hacking C. biological crime D. identity theft
asked by a.c 
Chemistry
The temperature of 550. g of water is increased from 16.0 degrees Celsius to 28.2 degrees Celsius by burning fuel. How many joules of energy is needed to increase the temperature of the water to 28.2 degrees?
asked by Annette 
Biology
the carbon atoms in the carbon dioxide gas we breathe out come from molecules of??? please help! incredibly lost!
asked by College Student 
Math repost
trapezium ABCD, with AB and DC being parallel, with diagonal connecting A and C, angle ABC is 86, angle ADC is y, angle dac is 66 and angle bac is x, no angle given for bcd or bca or acd. find x and y, So I said that BCD is 94 deg, but then I get stuck I
asked by Evie 
bio energy
in what chemical form is glucose when it enters the Krebs Cycle?
asked by alex 
science
production. Describe at least two alternatives to oil that are currently available and discuss the barriers that keep these alternatives from replacing oil as our primary means of energy? Additionally, utilizing at least two scholarly or reputable
asked by lo 
Check essay? thankies :)
Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing, equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be
asked by ilikezackalot 
physics
You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 15 m/s2. After 21 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect
asked by Anonymous 
criminal justice
To counter the threat of terrorist attacks some larger police departments have turned to
asked by a.c 
Algebra
On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience
asked by Anonymous 
language arts
please help... Which of the following signal words could identify a problemsolution text structure? A.first B.i think(I PICK THIS) C.therefore
asked by taylor 
algebra
One more than three times a number is 7 as an equation
asked by Anonymous 
calculus
At a constant temperature, the pressure, P, and volume, V, of a trapped gas have the relationship P equals the quotient of k divided by V , where k is some positive constant. What occurs if the volume is compressed such that V → 0+? The pressure
asked by ashley 
calculus
Suppose f of x equals 3 times x minus k when x is less than 5 and equals 1 plus k times x when x is greater than or equal to 5.Find the value of k that would make f continuous at x = 5. 3 0 7/3 no such k will make f continuous
asked by ashley 
Chemistry
Suppose a student titrates a 10.00mL aliquot of saturated Ca(OH)2 solution to the equivalence point with 13.65 mL of 0.0234 M HCl. What was the initial [OH − ]? What is the experimental value of Ksp?
asked by Kelly 
English
Hello. Please help me choose the right word in the context "the police have found / found out / ascertained that it was a lie". Maybe all the variants are possible. Thank you very, very much for help.
asked by Nalmi 
exp 105
Even though it is almost summer we still have overcast skies and light rain. is it correctly punctuated sentence?
asked by ok 
calculus
It is known that x 2 + 4x ≤ f(x) ≤ x 2 4x the interval [4, 0]. Use the Squeeze Theorem to evaluate the limit as x approaches negative 2 of f of x. 4 0 4 Squeeze Theorem does not apply
asked by ashley 
English
Is this a runon sentence? "It continued to rain until the river overflowed many people had to be evacuated from their homes.
asked by Keria 
calculus
Which of the following best describes the limit as x approaches 4 of the quotient of 2 times x divided by the quantity negative 2 plus square root of x ? It exists and equals 4 It fails to exist because it is unbounded. It fails to exist because its
asked by lisa 
physics
A 2.0 kg mass rests on a frictionless wedge that has an acceleration of 15 m/s2 to the right. The mass remains stationary relative to the wedge, moving neither higher nor lower. (a) What is the angle of inclination, θ, of the wedge, i.e., the angle
asked by Daryl Ann Waltenburg 
algebra
Susan is driving to Mount Shasta.On her map,she is distance of 7 3/4 inches away.The scale of the map is 1/2 inch is 50 miles. a.) how far must susan travel to reach her destination b.) using the scale,how far is philly,pennslvania from miami florida if it
asked by keana 
Chem
Calculate the value of Qc for the reaction above if 2.30 moles of NO2, 1.50 moles of NO, and 1.20 moles of O2 are placed in a 3.50 liter container at 30°C. Kc = 0.440 at this temperature.
asked by Raj 
Language arts(CHECK ANSWERS)
please help... Which of the following signal words could identify a problemsolution text structure? A.first B.i think C.therefore(I PICK THIS)
asked by taylor 
criminal justice
Prevention of catastrophic terrorism is most dependent on a unity of efforts between the federal government and A. the American Red Cross. B. local and state level agencies. C. the U.S. Armed Forces. D. private security services.
asked by a.c 
Science
5.The process of desertification can occur when B.farmers use contour farming techniques C.an area of forest is clearcut D.an area of forest is selectively cut 7.Which of the following statements describes the conservation of a natural resource? A.A
asked by Leon 
Math
Eden took a quiz with 15 problems and got 3/5 of the problems correct.how many problems did she get correct.
asked by Nicole 
Chemistry
Balance equation. been working on this for almost 5 hours now, just cant do it. HCl+As2O3+NaNO3+H2O>NO+H3AsO4+NaCl
asked by Stacy 
Math
A board is 6 3/4 feet long.If 2/3 of the board is cut off, what is the length of the piece that is cut off.
asked by Nicole 
physics
A red ball of mass 0,6 kg,travelling at 5 m.s^1 on a frictionless surface ,stikes a stationary green ball of mass 0,3 kg.after the collision,the red ball continues to move in its original direction at 2m.s^1,while the green ball moves in front of the red
asked by Mashego clinton 
math  interest rates
Car loan: 5yr annualpayment loan with interest rate of 6% per year. Annual payment = $5,000. You have just made a payment and decided to pay the loan off by repaying the outstanding balance. a) what is payoff amount if you have owned the car for one year
asked by Nabil  please help 
Ivytech
There are 7 multiple choice questions on an exam, each with 4 possible answers. If you are guessing, so that you are likely to choose 1 sequence of answers as another, what is the probability of getting all 7 answers correct?
asked by Cresha 
science
a stone is dropped down a well.it hits th surface of the water after 2seconds.find the depth of water from point where the stone was dropped
asked by unknown 
Physics
Two trains, each having a speed of s, are headed at each other on the same straight track. A bird that can fly at speed 2s flies off the front of one train when they are d apart and heads directly for the other train. On reaching the other train it flies
asked by Robin 
Math
A truck had 20 L of gas in it when it was 4/5 full. How much can it hold when it is full?
asked by Arica 
L.A.
A grouse, a quail, or a pheasant is/are a close relative of the turkey. Is?
asked by Anonymous 
Math help
a $6000 principal earns 8% interest compounded semi annually after 35 years what is the balance
asked by Katelyn 
us history
Imagine that you are living in New Jersey during the revolutionary war.Write a postcard to a friend in Boston describing how the war has affected your life.
asked by Anonymous 
Language Arts ~CHECK MY WORK PLEASE~
1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem "In response to executive order 9066"? a.) It will be a letter to the JapaneseAmerican citizens in which they are told they must leave their homes. b) It
asked by Jenny 
math
What is the approximate circumference of a pizza pan with a diameter of 13.2 inches? (Use π = 3.14)
asked by katie 
criminal
Prevention of catastrophic terrorism is most dependent on a unity of efforts between the federal government and A. the American Red Cross. B. local and state level agencies. C. the U.S. Armed Forces. D. private security services. I think the answer is C
asked by a.c 
english (check my work)
9. What personality trait does Odysseus reveal when he devises a plan to listen to the Sirens' song and yet escape destruction? (1 point) irritability loyalty curiosity generosity10. Read the following passage from the Odyssey: Tell me, where was it, now,
asked by fluffy 
Algebra
On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience
asked by Anonymous 
Physics
If the period of the moon were 31 days while its orbit radius 3.8x10^8m, what would the mass of the Earth be?
asked by Mandy 
Chemistry
complete the equation. Na + H2>
asked by Stacy 
Science
A 100 kg sample of a metal is cooled from 100°C to 20°C by removing 20 kcal of heat. Calculate the specific heat capacity of the metal.
asked by Anonymous 
Social studies
7. "In 1831 Lowell was little more than a factory village. Several corporations were started, and the cottonmills belonging to them were building. Help was in great demand; and stories were told all over the country of the new factory town, and the high
asked by Anonymous 
Math
Find the surface area of rectangular pyramids 1. Length= 1.15ft Width=0.82 ft Height of the slanted face =3.17ft Surface Area=7.1879ft^2 Formula for Rectangular Pyramid Surface Area : B+1/2pl B=area of base p=perimeter of base l=height of slanted face
asked by Jerald