Questions Asked on
March 11, 2014

Calculus
Two people start from the same point. One walks east at 5 mi/h and the other walks northeast at 7 mi/h. How fast is the distance between the people changing after 15 minutes? (Round your answer to three decimal places.)
asked by Nick 
English  help Poe
1. The words "jingling, tinkling" in line 14 of "The Bells" are NOT an example of ? A.repetition ***** B.assonance C. consonance 2. Which if the following sentences uses an adjective in the positive degree? A. The whole coast was beaten by harsh
asked by Cassie 
science(check answers)
please check my answers 1. B 2. A 3. D 4. A 1.B 2.A 3.D 4.A 1.All renewable resources are inexhaustible A.true B.false 2.Some fuels,called biofuels,are made from plants.They are used in cars and other machines biofuels would fit best in which of the
asked by matt 
science(check answers)
1. A 2. C 3. A 4. D 1. Coal, oil, and natural gas are inexpensive sources of fuel which do not cause pollution when used. A. true B. false 2. One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many
asked by matt 
English Answer CheckPlease, help me!
Underline the clauses in the following sentences. Identify each as an adverb clause or a noun clause. 1. When _he discovered the data were corrupt_, Swift knew he had to do something. A: Adverb clause. 2. Henderson belived that _any Multivac provided_ was
asked by Anonymous 
Physics 141
A 45.0kg skater is traveling due east at a speed of 2.85 m/s. A 72.5kg skater is moving due south at a speed of 7.35 m/s. They collide and hold on to each other after the collision, managing to move off at an angle θ south of east, with a speed of vf.
asked by dakota22 
physics
A tennis ball (m= 0.2 kg) is thrown at a brick wall. It is traveling horizontally at 16 just before hitting the wall and rebounds from the wall at 8 , still traveling horizontally. The ball is in contact with the wall for 0.04 s. What is the magnitude of
asked by anonymous 
physics
A bug rides on a phonograph record. In which direction does the change in velocity of the bug point? A. toward the center of the record B. tangent to the circular path C. away from the center of the record D. up I thought C.away from the center of the
asked by anonymous 
physics
What is the change in velocity if a car traveling 30{m}/{s} north slows to 20{m}/{s} north? A. 20{m}/{s} north B. 10{m}/{s} north C. 30{m}/{s} south D. 10 {m}/{s} south
asked by anonymous 
chemistry
A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and titrated with a 0.050 M solution of NaOH. The pH of the solution was monitored throughout the titration, and the following data were collected. Determine the
asked by Mohanad 
physics
Starting from rest, a 2.1x104 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.37 N on it. This force does 1.5x104 J of work on the flea. (a) What is the flea's speed when it
asked by Anonymous 
physics
Which of the following could be considered to be an 'accelerator' in an automobile? A. brake pedal B. gas pedal (choose this one but says wrong) C. steering wheel D. All of these can cause the car to accelerate.
asked by anonymous 
Chemistry
A solution contains 0.00245 M HCl. Determine the [H3O+] for the solution. points Determine the [OH]
asked by Sara 
chemistry
cuso4.5h20 + 2c2h5no2 = cu(gly)2.h20 moles of cuso4.5h2o produced is 12mmoles moles of glycine poriduced is 16.5 mmoles. which is the limiting reagent?
asked by nera 
English 9  HELP!
1. The small boat was scudding into the open sea with a full sail. (1 point) getting stuck sinking deeply moving swiftly rocking harshly 2. As an outdoor enthusiast, Kristina abhorred the fact that people left debris along the hiking trail. (1 point)
asked by Abby 
math. plzz help
calculate the slant height for the given square pyramid. Round to the nearest tenth. Pyramid base= 6cm height=5 cm 6.2 cm 5.8 cm 7.8 cm 7.2 cm Calculate the length of the diagonal for the given rectangular prism. Round to the nearest tenth. Length= 10 cm
asked by anonymous 
math
2. How is the graph of y = –2x² – 5 different from the graph of y = –2x²? (1 point) It is shifted 5 units up. It is shifted 5 units down. It is shifted 5 units left. It is shifted 5 units right. 3. A model rocket is launched from a roof into a
asked by Anonymous 
physics
A solid lead sphere of radius 10 m (about 66 ft across!) has a mass of about 57 million kg. If two of these spheres are floating in deep space with their centers 20 m apart, the gravitational attraction between the spheres is only 540 N (about 120 lb). How
asked by anonymous 
physics
If you double the radius of a sphere, its volume increases by what factor? A. 8 B. 6 C. 2 D. 4 I thought maybe C.2 or D.4
asked by anonymous 
physics
If Earth's mass were suddenly and magically reduced to half its present value, the Sun's gravitational force on Earth would A. be reduced by a factor of 2. B. be reduced by a factor of 4. C. increase by a factor of 2. D. remain the same. I was told it
asked by anonymous 
Chemistry Urgent
A calorimeter contains 32.0mL of water at 13.0∘C . When 2.30g of X (a substance with a molar mass of 82.0g/mol is added, it dissolves via the reaction X(s)+H2O(l)¨X(aq) and the temperature of the solution increases to 30.0∘C . Calculate the enthalpy
asked by Anna 
science(check answers)
1.True 2.A 3.B 4.C 5.C 6.B 7.C 8.D 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while
asked by matt 
US History
Define beatnik.Why was such a person dissatisfied?
asked by Anonymous 
Science Help PLEASE!!
1. What happens to the levels of surface water and groundwater during a drought? Surface water and groundwater levels increase during drought. Surface water and groundwater levels decrease during drought. There is no change in the levels of surface water
asked by Ally 
Algebra
Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = 1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, 1/4, 1/2 and
asked by Student 
human biology need help
The Golgi body receives proteins from the (A) __________, "packages" those proteins and "ships" them to other areas of the cell, or to the (B) ________ for secretion.
asked by Ann 
math
if four out of every seven individuals in a population of armadillos carry a gene for a defective enzyme, how many individuals carry the normal gene in a population of 869 armadillos?
asked by Mario 
physics
A 600kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite? A. 13.8 N B. 90.9 N C. 138 N D. 909 N
asked by anonymous 
Liberal Arts Math II
How long is the perimeter of a snowflake island? A) it is the same as the area B) it is infinite C) 2 times the height D) 3 times the height
asked by Lynn 
human biology please help
The Golgi body receives proteins from the (A) __________, "packages" those proteins and "ships" them to other areas of the cell, or to the (B) ________ for secretion.
asked by Ann 
math
slove for ^x x^23x18=0
asked by WINSTON 
Math
What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot
asked by Anonymous 
Math
What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot
asked by Anonymous 
science
2. Alex, a fresh graduate chemical engineer, started his job by a mission requested by his boss. He was supposed to prepare a small amount of ethylene in the lab, to use it later for polyethylene synthesis. His boss, OE, also known as “The Monster” did
asked by haha 
chemistry
How many grams of calcium carbonate are required to prepare 50.0 grams of calcium oxide? CaCO3> CaO + CO2
asked by Kendra 
probability
urgent till 3 pm i have in colombia¡ 1 Alice has five coins in a bag: two coins are normal (i.e., fair with one face Heads and the other face Tails), two are doubleheaded (i.e., both sides are Heads), and the last one is doubletailed (i.e., both sides
asked by Sakura1 
probability
To get a complete collection of stamps, Ann needs to have 5 specific (and different) kinds of stamps, denoted by k1, ... k5 . She starts out with no stamps. She then receives 5 stamps randomly from a lottery. Each of these 5 stamps has probability 1/5 of
asked by Sakura1 
US History
as population increases the borders of Boston?
asked by Rosa 
Math
jared's football team lost a total of 12 yards during 4 plays of the game. They lost the same number of yards during each of the plays. What is an integer to represent it?
asked by Ashley 
Language Arts!
What kind of argument is used when an author compares water usage in the United States to water usage in poor countries. appeal to emotions appeal to ethics appeal to reason My answer: B
asked by Emily 
physics
The escape velocity of a bullet from the surface of planet Y is 1695 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.37 times that of Y, and its radius is 0.887 times the radius of Y (in m/s).
asked by Marie 
Human biology please help
Sequences of chemical reactions, called metabolic pathways, can be sped up, or catalyzed, by (A) __________ , which are made mostly of (B) ___________.
asked by Ann 
Math  please help
Ling is three times as heavy as her packed suitcase. Her suitcase is 20 pounds heavier than her knapsack. The weights of Ling, her suitcase, and her knapsack total 170 pounds. How much does each weigh? Identify a variable, set up an equation, and solve.
asked by ava 
Physics
A car with a mass of 900 kg moves along a road at a 89 km/hour at equal speed. On the road is a curve with a radius of 250. a) What is the force in the curve between the tires and the road if the road is horizontal? b) What inclination is the best for that
asked by Physics 
Algebra
Simplify the expressions and solve the equations 1. 2√3  √12 My answer: 2√3  2√3 = 0 2. √(5p + 5)^2 = √(6p + )^2 I got the answer p = 4 3. √(28) + √(63) + √(175) This one seems so simple. I tried multiple times, but I can't seem to get
asked by Student 
Chemistry
At pH 3.85, which of the following is true? A.[lactic acid] > [lactate ion] B.[lactic acid] < [lactate ion] C.[lactic acid] = [lactate ion] At pH 11.61, which of the following is true? A.[lactic acid] = [lactate ion] B.[lactic acid] < [lactate ion]
asked by chelsey 
Math
If each voter voted for only one candidate what is the fewest number of voters who would have to vote differently in order for Susan to have received more votes than James if Susan had 212 votes and James had 244 votes?
asked by Tom 
MATH  CONFUSED!!!
5/12 = 2/3 c The answer is c=5/8 I can't figure out how they got this answer. Please show and explain the work. Thank you.
asked by andra 
Chemistry
How do I balance the following reaction in acidic conditions? N2O4 + S8 = NO + H2SO3????
asked by Nicole 
Math algebra
1) Charlie plans to sell twice as many magazine subscriptions as Patrick. If Charlie and Patrick need to sell at least 100 subscriptions in all, what inequality could be used to determine how many subscriptions, x, Charlie needs to sell? I really don't
asked by Anonymous 
chemistry
In the laboratory a student finds that it takes 20.7 Joules to increase the temperature of 11.0 grams of solid platinum from 20.5 to 35.8 degrees Celsius. What is the specific heat of platinum she has measured.
asked by grace 
math
if venom A is three times as potent as venom B and venom C is 2.2 times as potent B. How much more potent is venom C compared to venom A?
asked by Mario 
physics
A polevaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3900 J. What is his weight?
asked by Anonymous 
Statistic Please Check
Check this out please Thanks Lesson 3 Unit 2 Probability Couplements, Disjoint Events and the addition Rule 1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing
asked by bowershe 
Physics
A 5.0g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195kg block resting on a frictionless table. The block slides into and compresses a 180N/m spring a distance of 0.15m before stopping the block and bullet. Determine
asked by BULTURP 
Help
What is an example of bias in media? a website that presents a controversial opinion as though it were fact a television news program that presents both sides of a particular issue a podcast expressing an author’s opinion a blog about the history of the
asked by anonymous 
Math
How would you factor x^481?
asked by Anonymous 
Math
What is the solution of x(14)=8
asked by Mike 
physics
A sled is being pulled across a horizontal patch of snow. Friction is negligible. The pulling force points in the same direction as the sled's displacement, which is along the +x axis. As a result, the kinetic energy of the sled increases by 47.5 percent.
asked by Anonymous 
Algebra
what is x when x=.10(100x)
asked by Georgia 
physics 1
The model airplane in Figure 5.6 is flying at a speed of 13.6 m/s on a horizontal circle of radius 19.1 m. The mass of the plane is 1.20 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.6 m. The plane speeds up,
asked by Anonymous 
Math
When given that the attendance to Taylor Swift concerts had been decreasing at a rate of 2% from 20092013. If the average attendance at her concerts in 2013 was 20,480 what would be the attendance in 2009? Also, what would be the domain and range?
asked by Anonymous 
Math
What is the solution of: u7+(3)=12
asked by Sara 
physics 1
A 64.4kg skateboarder starts out with a speed of 1.95 m/s. He does 119 J of work on himself by pushing with his feet against the ground. In addition, friction does 260 J of work on him. In both cases, the forces doing the work are nonconservative. The
asked by Anonymous 
Math
Jared's football team lost a total of 12 yards during 4 plays of the game. They lost the same number of yards during each of the plays. What is an integer that can represent the number of yards lost during each play?
asked by Carl 
physics
An ashtray slides across a table with a speed of 0.9 and falls off the edge. If it takes 0.4 s to reach the floor, how far from the edge of the table does the ashtray land?
asked by anonymous 
maths
Mark inherits R1000000 from his late from his late uncle he invests the money at an interest rate of 14% per annum compounded monthly he wishes to earn a monthly salary from the investment for a aperiod of 20 years starting in one months time how much will
asked by Awe 
Chemistry
You have a vinegar solution you believe to be 0.8 M. You are going to titrate 21.39 mL of it with a NaOH solution that you know to be 0.774 M. At what volume of added NaOH solution would you expect to see an end point? Answer in units of mL
asked by Sara 
English Answer CheckPlease, help me!
Underline the clauses in the following sentences. Identify each as an adverb clause or a noun clause. 1. When _he discovered the data were corrupt_, Swift knew he had to do something. A: Adverb clause. 2. Henderson belived that _any Multivac provided_ was
asked by Anonymous 
physics
Two airtrack gliders are held together with a string. The mass of glider A is twice that of glider B. A spring is tightly compressed between the gliders. The gliders are initially at rest and the spring is released by burning the string. If glider B has a
asked by anonymous 
physics
A friend is making an iMovie and wants your help designing a skateboard stunt. You estimate that your friend�s mass is four times greater than that of the skateboard. For the following questions, ignore friction. In one scenario, your friend starts by
asked by anonymous 
biology PLEASE HELP
The __________ (the cell’s outer border) controls the movement of materials into and out of the cell. It is called a lipid bilayer because of the type of molecules it is made up of and it has two layers
asked by Ann 
physics
A father (m= 90 kg) and son (m= 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 after they have separated. How fast is the father moving?
asked by anonymous 
Social Studies
what are the advantages of privatization of Government Owned and Controlled Companies (GOCC)in a country?
asked by Anne 
Physics
A hiker shouts towards a vertical cliff 305 meters away. The echo is heard 1.85 seconds later. How fast did the sound wave travel in air?
asked by Anonymous 
Physics
A group of swimmers is resting in the sun on an off shore raft. They estimate that 2.9 meters separates a trough and an adjacent crest of surface waves on the lake. In addition, they count 12 crests that pass by the raft in 16 seconds. What is the Period
asked by Anonymous 
Gr 11  math linear systems
Word problem: School is raising money for scholarships, with the goal of $16,000. The plan is to sell event tickets for $10, and give each person in attendance a ball cap. The cost of the caps is $2 each. Other expenses add up to $2,000. The organizing
asked by iza 
Social Studies
I have to explain how does Pierre Elliot Trudeau's ideals meats the reality in 200 words? So can you give me some ideas about how should I write it?
asked by Tommy 
Math
Find the missing dimension of the cylinder. Round your answer to the nearest whole number. 1. Volume = 84 in.^3 r = 6 in. h = ? 2. Volume = 650 cm^3 r = 8 cm h = ?
asked by Anonymous 
algebra
Show all steps Find the value of y fora given value of x if y varies directly with x If y =252 when x=84, what is y when x=74?
asked by snow 
chemistry
A solution prepared by mixing 16.7 mL of 0.760 M NaCl and 16.7 mL of 0.760 M KI was titrated with 0.380 M AgNO3 in a cell containing a silver indicator electrode and a saturated calomel reference electrode. (a) What is [Ag+] when 16.2 mL of 0.380 M AgNO3
asked by Bobz 
math
it says a inspector found flaws in 13 out of 150 sweaters. find the probability that a sweater has a flaw. round to the nearest tenth of a percent
asked by jalen 
Heat Transfer
A hollow tube having an inside diameter of 2.5 cm and a wall thickness of 0.4 mm is exposed to an environment at h=100 W/m2¨¬C and T¡Ä =40¨¬C. What heat generation rate in the tube will produce a maximum tube temperature of 250¨¬C for k =24
asked by RHS 
Chemistry
In neutralization reactions, acid + base ¨ salt + water HCl can be neutralized with NaOH. How many moles of NaOH will it take to neutralize 0.68 L of 0.29 M HCl? Is there a formula that I need to use here?
asked by Sara 
L.A.
Has anyone here read A Retrieved Reformation? I have to write a dramatic scene about a conflict in that story. What conflicts can I use?
asked by Anonymous 
science
Can u unscramble these letters into a word? ATSETLECTOICNP
asked by kelena 
probability
Let X and Y be normal random variables with means 0 and 2, respectively, and variances 1 and 9, respectively. Find the following, using the standard normal table. Express your answers to an accuracy of 4 decimal places. 1 P(X>0.75)= 2 P(X≤−1.25)= 3 Let
asked by JuanPro 
Calculus
Can someone help me with finding the derivative of this function? y = ( csc x)2 (cos1(1x2))
asked by June 
probability
Random variables X and Y are distributed according to the joint PDF fX,Y(x,y) = {ax,0,if 1≤x≤2 and 0≤y≤x,otherwise. 1 Find the constant a. a= 2 Determine the marginal PDF fY(y). (Your answer can be either numerical or algebraic functions of y). For
asked by JuanPro 
Calculus Check my answer
Find the area between the curves y= x^2/2 +2 and y = –x – 3 on the interval –4 ≤ x ≤ 4. I got 40/3 is that correct?
asked by Ryan 
algebra
what is the variance for the set of data 22,30,13,20,20
asked by terrence 
physics
If a ball is dropped from rest, it will fall 5 m during the first second. How far will it fall during the second second? A. 15 meters B. 10 meters C. 5 meters D. 20 meters the way the question is worded it seems it should be 10meteres but I think it wants
asked by anonymous 
Calculus
Can you tell me if im doing this right? Find the volume of the region obtained by revolving the area below about the line x=3. y=x3, x=2, y=0 v=pi[2,0] (x^3)^3dx= pi[2,0] x^9 v=pi/10 x^10(2,0)= 1024/10 pi
asked by June 
science
3. Liquefied air (assuming it is only O2 and N2) is kept in a container where pressure and temperature can be controlled. a. What is the maximum temperature at which the mixture exists as a liquid? If this temperature is kept constant, what is the minimum
asked by haha 
Physics 141
A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 93.0 kg. The mass of the rock is 0.320 kg. Initially the wagon is rolling forward at a
asked by dakota22 
physics
Your instructor rides on a merrygoround turning at a constant rate. In which direction does the net force on your instructor point? A. away from the center B. toward the center C. down D. tangent to the circular path I choose D.tangent to the circular
asked by anonymous 
Science
what mass of sulphuric acid must be added to a 750 ml to have a ph of 2.27
asked by Liam 
physics
22. On the surface of a certain planet, there is one unit of gravitational force exerted on every 0.4 units of mass. The gravitational field strength on this planet has numerical value A. 0.4 B. 2.5 C. 1.6 D. 1 C.1.6 is wrong
asked by anonymous 
Algebra
1. √(9y  196) + √196 = √49 My work: I squared all 3 roots and got 9y  196 + 196 = 49 The  196 + 196 cancels out and we are left with 9y = 49. divide 49 by 9. = 49/9. I'm pretty sure this is wrong. Can you show me where I messed up? 2. √x(√9 
asked by Student 
algebra
Show all steps Determine whether y varies directly with x if so find the constant of variation k and write the equation? X line is y line is 4. 6.4 7. 11.2 10. 16 13. 20.8
asked by snow 
Social studies***help***
please answer i need help which of the following is the greatest threat to the island's natural resources
asked by dalia 
Calculus
A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline and its light makes three revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P? (Round your answer to
asked by Nick 
physics
Under what conditions is mass conserved? A. Whenever the system is isolated or closed. B. Only when the change is a chemical one. C. Always. D. Only when the change is a physical one. I was thinking A.
asked by anonymous 
science
if electrons are caused to fall through a potential difference of 100000 volt,determine their final speed if they were initially at rest.
asked by akhilesh 
Math
Could someone please help me solve this radical equation of 2x+72=x It's suppose to have the radical sign but I don't know how to put it on here. Thank you
asked by Pam 
physics
Carmen is standing on a giant skateboard that is initially at rest. If we ignore frictional effects with the floor, what is the momentum of the skateboard if Carmon walks to the right with a momentum of 500 ? A. 500 to the right B. 500 to the left C. zero
asked by anonymous 
Physics 141
A mine car (mass mcar = 444 kg) rolls at a speed of vcar = 0.52 m/s on a horizontal track, as the drawing shows. An mcoal = 141 kg chunk of coal has a speed of vcoal = 0.79 m/s when it leaves the chute. Determine the speed of the carcoal system after the
asked by dakota22 
math
x^2+x18=0 quadratic equation slove for x
asked by WINSTON 
Physics
The figure(Figure 1) shows a solid metal sphere at the center of a hollow metal sphere. Assume that E=1.2×104N/C. What is the total charge on the exterior of the inner sphere?
asked by Allison 
chemstry
How many grams of CaCl2 would be dissolved in 1.4 L of a 0.11 M solution of CaCl2?
asked by yanely 
chemestry
How many grams of CaCl2 would be dissolved in 1.4 L of a 0.11 M solution of CaCl2?
asked by yanely 
math studies
A rhombus has diagonals of lenth 12 cm and 7 cm respectively. Find the larger angle of the rhombus
asked by sam 
chemistry
95.0mLmL of H2O\rm H_2O is initially at room temperature (22.0∘C\rm{} ^{\circ}C). A chilled steel rod at 2.0∘C\rm ^{\circ}C is placed in the water. If the final temperature of the system is 21.3∘C^{\circ}C, what is the mass of the steel bar? Specific
asked by Anna 
math
Brittany has a gift box in the shape of a cube.Each side of the box measures 15 cm. What is the volume of the gift box?
asked by Anonymous 
Calculus Help
Find the derivative of the following function showing your work and fully simplifying your answer. f(x)=(8x3)^5/(6x+7)^12 Thank you!!!
asked by Layla 
Chemistry Urgent
95.0mL of H2O is initially at room temperature (22.0∘C ). A chilled steel rod at 2.0∘C is placed in the water. If the final temperature of the system is 21.3∘C , what is the mass of the steel bar? Specific heat of water = 4.18 J/g⋅∘C Specific
asked by Anna 
math
The voltage (in volts) induced in a coil of wire is v = (2t + 1)^0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?
asked by Jacob 
History8
The __________________led to the rise of a middle class in America. a.Immigration to America b.Industrial Revolution c.The shipping industry d.All of the above D?
asked by purplebananas 
Spanish Help
1. En nuestra escuela, muchos estudiantes quieren ser miembros del ________. A. consejo estudiantil B. orquesta C. piano D. contributor I said A 2. ¿En qué actividades extracurricular participas tú? ________ todos los martes. A. Tocas en la banda B.
asked by Eri Uchi 
Math
The data shows how a family budgets it's weekly income. It uses percentages and weekly bills in dollars. Which graphs could you choose to display your data? I think the circle graph because your using percentages, and maybe a line graph
asked by Anonymous 
Chemistry
What is the pH of a solution whose [H3O+] is 9.2× 10^−9 M?
asked by Sara 
Chemistry
Determine the pH of a 1.2×10^−2 M solution
asked by Sara 
Math
Claudia weighed her puppy each moth. Explain which data display you would use to show the puppy's growth and why you think this is the best method of displaying the data. A line graph because it shows change over time
asked by Anonymous 
science(check answers)
1.D One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many places C. it is a fossil fuel D. it cannot be used up
asked by matt 
Chemistry
3. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? The CO2 in the distilled water will create a more acidic solution which will affct the determination of NaOH solution's concentration?
asked by Sandy 
science(check answers)
i don't think the answer could be A. so i pick B. One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many places C. it is a fossil fuel D. it cannot be used up
asked by matt 
History8
what happened in Europe that drove so many people to the United States
asked by purplebananas 
Chemistry
A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks!
asked by Cheyenne 
Chemistry
A 247 lb fullback runs the 40 yd dash at a speed of 17.09 ± 0.1 mi/h. (a) What is his de Broglie wavelength (in meters)? (b) What is the uncertainty in his position? ** I found part A but I am unsure how to use this information to get part B. Any help is
asked by Amanda 
Science
May someone please explain the process of respiration of animals.
asked by Juanita 
Chemistry check and help
what is ... Sodium bisulphate hydroiodic acid ammonium dihydrogen phosphate Zn(HCrO4)2 Calcium metal ferrous bromide sodium carbide phosphate radical Check... sodium bicarbonate NaHCO3
asked by Sam 
Precalculus II
Find the inverse of: f(x) = 5 +11arccos(7^x  9) Find exactly all the real solutions for each of the following equations. a. Sin(x) =  square root 3/2 b. 1 + cos(3xpi/4) = 1/2
asked by hfx 
Geometry
A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Thanks!
asked by Ismary 
URGENT physics
M1 is a spherical mass (38.6 kg) at the origin. M2 is also a spherical mass (10.3 kg) and is located on the xaxis at x = 59.8 m. At what value of x would a third mass with a 20.0 kg mass experience no net gravitational force due to M1 and M2?
asked by Marie 
URGENT physics
The escape velocity of a bullet from the surface of planet Y is 1695 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.37 times that of Y, and its radius is 0.887 times the radius of Y (in m/s).
asked by Marie 
Integral
Find the Laplace transforms of the following functions. f1(t) = integral 0 from t (cos(ta)*(sin(a))da
asked by Fatih 
Math
Rey is playing a game. For every 2 steps forward he takes, he takes one step back. Complete the function table to show Rey's steps. Then write an equation for the function table. F 246810 B _ _ _ _ _
asked by Jake 
english
Bill Gates didn't _______ ( seem )like a shoein for success after dropping out of Harvard and starting a failed first bussiness with Microsoft co founder Paul Allen ______ ( Call ) Traf O Data . While this early idea didn't work , Gates ' later , ______
asked by kumar 
History8
German immigrants were more likely than Irish immigrants to a.take lowpaying jobs. b.be Catholic. c.settle in rural areas. d.arrive penniless.
asked by purplebananas 
chem
between Rn, CO2, CO, O2, Ar, N2 which is most abundant in the troposphere?
asked by coll 
Chemisty
Hydrocarbons are important fuel that we burn for many different reasons. a. what is a hydrocarbon? b. rank these hydrocarbons by the number of carbons the contain: propane, methane, butane, octane, ethane.
asked by Jaclyn 
Spanish Help please
1. Aquí están las diapositivas. ¿Dónde está el _______________? A. sacapuntas B. sujetapapeles C. bufet de ensaladas D. proyector I said D 2. ¿Traes los papeles de la oficina? Sí. Aquí ______ tienes. A. las B. los C. lo D. la I said B 3. ¿Cuándo
asked by Eri Uchi 
marketing
davis is a producer of seasoning powder for quick preparation of food.By 2012 there are nine varieties of seasoning powders.The marketing objectives of the company are to contribute to the dietary life of consumers and also diversify its products to
asked by marikent 
Chemistry
A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks!
asked by Cheyenne 
math
Suppose p(x) is a twicedifferentiable function such that p(1) = 3, p'(1) = 0, and p”(1) = 2. Which of the following is true? there is a relative maximum at p(1) = 3 there is a relative minimum at p(1) = 3 there is a point of inflection at p(1) = 3 none
asked by lilly 
US History
I have googled and can't find what "Village in Between" means. Any idea where else I can look?
asked by Sue 
Math
Line LM is the midsegment of rectangle ABCD. AB=72 and DC=104. What is LM? A.176 b. 88 c.98 d.32
asked by Sierra 
Social Studies
How does Pierre Elliot Trudeau's idealism meets the reality? 150 words
asked by Tommy 
Math
Line LM is the midsegment of rectangle ABCD. AB=x+8, LM = 4x+3, and DC=243. What is the value of x?
asked by Sierra 
English
What is the significance of the title "In the heat of the night"? What does the last chapter(chapter 14) conclude about the underlying racial issue; the furtherance of the romantic plot?
asked by Bethany 
math
5 x 3^n a)15,30,45,60 b)5,15,45,135 c)0,15,45,135 d)15,45,135,405
asked by victoria 
English Project
This is a final project In accordance to the book In the Heat of the NGht by John Ball. must create a newspaper that contains an article basically stating the murder mystery in the book, 2 ads and another article irrelevant to the story that depicts the
asked by Bethany 
Verb  Check
Because someone accidentally pushed Frank as he walked down the street, he nearly dropped his papers and lost them in the wind. In the sentence above, which verb is the irregular verb? •lost •walked •pushed***** •dropped
asked by Mindy 
chemistry
Titration was used to determine the molarity of acetic acid in vinegar. A primary standard solution of KHP was used to standardize the NaOH. 1. When performing this experiment, impure KHP was used to standardize the NaOH solution. If the impurity is
asked by Sandy 
Math
Minnie is painting her walkin closet. Each gallon of paint covers 275 square feet. The closet is in the shape of a right rectangular prism. The floor is 9 feet wide and 7 feet long. The ceiling is 8 feet high. How many gallons of paint should Minnie buy to
asked by Meg 
Social Studies
To what extent do you think that Pierre Elliot Trudeau was the right man for his time? 200 words
asked by Tommy 
algebra
I'm confused. Can you help? "The community pool charges $8.00 for adults and $5.00 for children. The total revenue for a particular cloudy day is $648.00. Determine the number of adults and the number of children who went to the pool that day if twice as
asked by Gaby 
physics
A stationary horn emits a 151 Hz tone. What frequency is heard by a passenger on a train which is moving towards this horn with a speed of 28.7 m/s?
asked by utl 
Math
What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot
asked by Please Help 
physics
A bat moving with a speed of 3.55 m/s and emitting sound of 34.0 kHz approaches a moth at rest on a tree trunk. What frequency is heard by the moth? Calculate the frequency heard by the moth when the speed of the bat is 5.55 m/s.
asked by utl 
U.S. History
TRUE OR FALSE (The First World War) 1. Until 1915, most Americans thought of the war as a European conflict that would have little effect in the United States. 2. Big Berthas were massive ships used to transport German troops. 3. The Treaty of Versailles
asked by Anonymous 
English
1. On the school boat, there were 40 seats for older children in the front and benches for little children at the back. 2. On the school boat, there were 40 seats for older children at the front and benches for little children in the back. 3. In the school
asked by rfvv 
Algebra
Hi. 1. I have a right triangle here. I know that I am to use the Pythagorean Theorem: a^2 + b^2 = c^2. In this case, side a is (x + 4) and b is x. The hypotenuse is 4 + (x + 4) So here we have the equation: (x + 4)^2 + x^2 = 4 + (x + 4)^2. I need to find
asked by Student 
English
I'm writing a personal essay for an internship. Is everything in this essay clarified? Where can I expand? I don't know about you but I like living. And in order for me (and those who proceed me) to live a nice, long and happy life, we have to do something
asked by Tierra 
Algebra 1
How many twodigit numbers have a tens digit that is greater than the units digit?
asked by Lam 
PHYSIC
A polevaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3900 J. What is his weight?
asked by Anonymous 
biology
I'm doing a lab report for a cellular respiration experiment. My experiment involves blowing/exhaling CO2 into Bromothymol blue solution until it turns yellow, then adding drops of Nh3 (ammonia) to turn it back to its original blue color. I'm seeing if the
asked by maya 
english
How can doctor and teacher can be independent, have achievement, recognition and affection?
asked by jessina 
ph
A 64.4kg skateboarder starts out with a speed of 1.95 m/s. He does 119 J of work on himself by pushing with his feet against the ground. In addition, friction does 260 J of work on him. In both cases, the forces doing the work are nonconservative. The
asked by Anonymous 
math
What will be the next lotto draw, given that this was the last draw? 112297578
asked by fada 
math
When an F14 fighter jet takes off, its wings are 110 degrees from the line of flight. To reach its maximum speed, the wings pull to a back position that cretes an angle from the line of flight that is 22 degrees less than a straight angle. Moving at 0.5
asked by Viking 
math
Suppose that 4 people sit in 4 chairs in a circle. How many different new seating arrangemens are possible if each person can move 1 chair to the left or right or remain as is and if 1 person must be in each chair?
asked by Viking 
math
Monic and Matt are moving crosscountry using a rented truck. Monica will drive the truck, and Matt will drive their car. After travelling 285 miles, they stop for gas, which costs $3.49 per gallon. Both vehicles start with a full tank of gas. Monica putss
asked by Viking 
English 1
We have to write a paragraph in the boy's point of view from a excerpt of a story we read in class. He is a Jewish boy being hung from whatever he did. It doesn't say. How can I write how he felt and be descriptive? Help!!
asked by Victoria Mueller 
business
prepare an argument opposing the following statement: "The first priority of any business is to its shareholders. It is not environmental protection that is the role of government" i need some starter points to get me started on this question, thanks
asked by celina 
math
A vehicle having a mass of 1.5tonnes is standing on an incline of 18degree to the horizontal.Determine the components of its weight parallel and perpendicular to the road surface.
asked by rory 
science
What personality traits do you think this hexaco inventory measured? answer in detail
asked by acehood123 
science
How accurately do you think your best friend or a close family member would be able to answer these questions about you? Are there some aspects of your personality that are more private than others? answer in detail regarding hexaco inventory
asked by acehood123 
k
A polevaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is 3900 J. What is his weight?
asked by Anonymous 
science
Are there important aspects of your personality that were not addressed by this questionnaire? If so, which ones? just make up something. answer in detail regarding hexaco inventory
asked by acehood123 
english
a restrictive clause is one that
asked by denise 
math
If X varies inversely with Y and X=8 when Y= 10, find Y when X=6 Answer choices are A: y= 3/20 B: y= 4.8 C: y= 7.5 D: y= 40/3
asked by Amber 
PHYSICS
The model airplane in Figure 5.6 is flying at a speed of 13.6 m/s on a horizontal circle of radius 19.1 m. The mass of the plane is 1.20 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.6 m. The plane speeds up,
asked by Anonymous 
Math
XY= 25 what is the constant of variation for this relationship? a. 1/4 b. 25 c. 2.5 d. 0.4
asked by Brittany 
math
While calculating the mean of 100 students was found to be 40 but when examined by another person it was found that number 53 was taken as 83.Find the correct mean
asked by Sanjog gc 
Algebra 1
Why does your body go into shock when you jump in cold water
asked by Katy 
Math
Write a multiplication equation that has a solution of 2/7
asked by Anonymous 
Math
Write a division equation that has a solution of 20
asked by Anonymous 
health care
I have to do a debate on breaking bad news medically. I have the con side to it. Can you recommend some sites
asked by Vicky 
Math
Ling is three times as heavy as her packed suitcase. Her suitcase is 20 pounds heavier than her knapsack. The weights of Ling, her suitcase, and her knapsack total 170 pounds. How much does each weigh? Identify a variable, set up an equation, and solve.
asked by ava 
Essay
Make A Difference Essay; Hook: "We cannot do everything, but we can do something." states Dillon Burroughs Transition: (Do I need one or is this okay?) Thesis: I believe everyone can make a difference.
asked by Navpreet 
english
what is a concrete noun
asked by sienna 
Chemistry: Freezing point depression
What is the free sing point of a solution of ethyl alchohol, that contains 24g of the solute (C2H5OH), dissolved in 780 g of water
asked by Matt 
Algerbra
How do I factor: w33w218w
asked by Ashford 
Statistics
An industrial engineer has found that the standard household light bulbs produced by a certain manufacturer have a useful life that is normally distributed with a mean of 250 hours and a variance of 2500. (a) What is the probability that a randomly
asked by bappy 
chemistry
i need help with writing nomenclature for the formula and the compounds examples: Sodium bisulphate hydroiodic acid ammonium dihydrogen phosphate Zn(HCrO4)2 Calcium metal ferrous bromide sodium carbide phosphate radical liquid mercury plumbic oxide auric
asked by Sam 
Math (check answers)
please check these 4.B 5.B 4.what is the side length of a square with an area of 64 m2? A.32 m B.8 m C.128 m D.64 m 5.what is the length of rectangle with an area of 12 yd2 and a width of 3 yd A.8 yd B.4 yd C.9 yd D.21 yd
asked by matt 
Pre cal
In a sinusoidal,function, how do you determine whether or not y= sin4(x) has a period of 2 pi If it is equal to 2 pi then what is a sinusoidal function that is not equal to 2 pi
asked by Lannah 
math
an analysis showed that 0.06% of the tshirts made by one company were defective. a student says this is 6 out of every 100. what is the students error
asked by chaim 
Science :(
Which of the following describes the correct sequence of events during the water cycle? precipitation → condensation → evaporation → runoff condensation → precipitation → runoff → evaporation runoff → condensation → evaporation →
asked by anonymous 
physics
M1 is a spherical mass (38.6 kg) at the origin. M2 is also a spherical mass (10.3 kg) and is located on the xaxis at x = 59.8 m. At what value of x would a third mass with a 20.0 kg mass experience no net gravitational force due to M1 and M2?
asked by Marie 
Chemistery
A hot air balloon with a volume of 3.20 x 10^3 L and 120 moles of air is at a temperature of 20C. How many moles of air will the balloon contain if it expands to 4.80 x 10^3 L and the air is heated to 45C?
asked by Garrett 
physics
A 50kg box is being pushed a distance of 7.1 m across the floor by a force whose magnitude is 175 N. The force is parallel to the displacement of the box. The coefficient of kinetic friction is 0.19. Determine the work done on the box by each of the four
asked by Anonymous 
Chemistry
Calculate the H3O+ concentration present in water under the following conditions. Enter your answer in scientific notation. [OH] = 2.8 x 107 M [OH] = 8.8 x 103 M [OH] = 2.4 x 1011 M
asked by Amber(: 
chem
Calculate the pH of a solution in which a. [H3O+] = 7.8 x 107 M b. [H3O+] = 5.1 x 106 M c. [H3O+] = 6.1 x 105 M d. [H3O+] = 9.3 x 104 M
asked by chelsey 
Chemistry
Sometimes the basicity of a solution is reported using pOH (pOH = log[OH]). What is the a. [OH] if pOH = 1.90 b. [H3O+] if pOH = 12.94 c. pH if pOH = 9.70
asked by chelsey 
Math
What is the first natural number that is a perfect square and a perfect cube? Can you find the second? The third?
asked by Meg 
Algebra
Okay, I have a graph of a sq root function. I'm told to write the radical function for f(x). Some points on the line are (1,2) and (5,0). I know you probably can't help me a whole lot, but if you can give me any insight into how to figure this problem
asked by Student 
physics
Find the speed of a satellite in a circular orbit around the earth with a radius 2.69 times the mean radius of the earth; Radius Earth= 6.37E+3km; Mass Earth= 5.98E+24kg.
asked by Marie 
Algebra
How many real number solutions does the equation have? y=4x^2+7x8 A. no solutions B. one solution C. two solutions D. infinitely many solutions I think it is C..? How many real number solutions does the equation have? y=2x^220x+50 A. no solutions B. one
asked by Cassie 
Math
Solve: 23m(35m)= 48
asked by kris