Questions Asked on
February 6, 2014

  1. trig

    An advertising blimps hovers over stadium at the altitude of 152 m.the pilot sites a tennis court at in 80 degree angle of depression. Find the ground distance in the straight line between the stadium and the tennis court. (note: in an exercise like this

    asked by Jasmine
  2. trig

    An advertising blimps hovers over stadium at the altitude of 152 m.the pilot sites a tennis court at in 80 degree angle of depression. Find the ground distance in the straight line between the stadium and the tennis court. (note: in an exercise like this

    asked by Jasmine
  3. Chem 2

    Assuming 100% dissociation, calculate the freezing point and boiling point of 2.44 m Na2SO4(aq)

    asked by LLamaboy
  4. geometry

    An advertising blimps hovers over stadium at the altitude of 152 m.the pilot sites a tennis court at in 80 degree angle of depression. Find the ground distance in the straight line between the stadium and the tennis court. (note: in an exercise like this

    asked by Jasmine
  5. History

    Chapultepec was a heroic victory for Mexican forces against American troops who sought to capture Mexico City. true?

    asked by :)
  6. Geometry

    Larry has a ladder that is 16' long. If he sets the base of the ladder on level ground 5 feet from the side of the house, how many feet above the ground will the top of the ladder reach when it rests against the house?

    asked by Nena
  7. statistics

    howdo i find the square root of -2

    asked by e
  8. chemistry

    This equation decribes oxidation of acidified solution of sodium oxalate(Na2C2O4) by potassium permanganate(KMnO4): 5 C2O4^2- + 2Mn04^- + 16H2SO4 to produce 10Co2 + 2Mn^2- + 16HSO4^- + 8H2O. what volume of 0.127M sodium oxalate in sulphuric acid will react

    asked by Temmick
  9. Calculus

    A trough is 15 ft long and 4 ft across the top, as shown in the figure. Its ends are isosceles triangles with height 3 ft. Water runs into the trough at the rate of 2.5 ft^3/min. How fast is the water level rising when it is 2 ft deep?

    asked by Charlie
  10. math

    there are 5 loaves of bread each loaf will be cut into pieces of 1/4 loaf. how many pieces will we have?

    asked by Delia
  11. clalc

    Suppose h(x) = f (g(x)) and the graphs of f and g are shown below. Describe the continuity of h at x = 0. how would you do this if you were given two graphs: F--- discontinuity at -2,0; point at -1,1; and point at 0,0 (to make a parabola) then

    asked by lisa
  12. Physics

    A small rock is thrown vertically upward with a speed of 17.0m/s from the edge of the roof of a 32.0m tall building. The rock doesn't hit the building on its way back down and lands in the street below. Air resistance can be neglected. What is the speed of

    asked by Anonymous
  13. Math (pre calculus)

    State whether the given equation is true for all values of the variables (disregard any value that makes a denominator zero) equation one (2/ 4 + x) = (1/2) + (2/x) equation two (1 + x + x^2 / x) = (1/x) + 1 + x

    asked by Danielle
  14. pre calculus

    Simplify the rational expression 3 (1 + x)^1/3 - x (1 + x)^-2/3 divided by (1 + x)^2/3

    asked by Danielle
  15. Math (pre calculus)

    please simplify (1/1+x+h) - (1 /1+x ) divided by h

    asked by Danielle
  16. U.S History - can u help to check my answer :)

    Document B “An insinuation had fallen from the gentleman from Tennessee (Mr. Grundy) that the late massacre of our brethren on the Wabash [at Tippecanoe] had been instigated by the British government. Has the President been given any such information?

    asked by Cassidy
  17. Math - Trig

    What familiar formula can you obtain when you use the third form of the Law of Cosines c^2 = a^2 + b^2 - 2ab cos C and you let C = 90deg? What is the relationship between the Law of Cosines and this formula?

    asked by McKenna Louise
  18. Math - Trig

    Use the law of cosines to show that the measure of each angle of an equilateral triangle is 60deg. Explain your reasoning.

    asked by McKenna Louise
  19. math

    The sum of three consecutive integers is 303. If n is the smallest of the three, which equation represents this situation? 3n = 303 3n + 3 = 303 n3 + 3 = 303 n3 + 3n = 303 Need help with this because I have a test Friday on them.

    asked by treshia
  20. Angle of elevation

    A rocket fired straight up is tracked by an observer on the ground a mile away. a)Show that when the angle of elevation is theta, the height of the rocket in feet is h=5280tan(theta).

    asked by Kris
  21. Math - Trig

    Explain why we cannot solve an oblique triangle with the Law of Sines given SAS.

    asked by McKenna Louise
  22. Chemistry

    In a high temperature corrosion cell we have 5 vol% O2 and 500 vppm HCl. We know at high temperature the reaction is Deacon Process (600C) 4HCl(g)+O2(g)=2Cl2(g)+2H2O(g). We have thermodynamic phase diagram of a system (e.g., Fe-O2-Cl2) at 600 (log pO2 - x

    asked by T Hussain
  23. Economics

    Could someone please help me to asnwer these tw economics questions? The following table shows the marginal benefits (MB) of consuming chocolate bars. Chocolate Bars (unit) 1 2 3 4 5 MB $10 $8 $6 $4 $2 Suppose that the market price of chocolate bars is $7

    asked by Kaunis
  24. Economics

    Consider the role of the US as the world's only super-power and explain the the opportunity cost of having this role.

    asked by tsouthern
  25. math

    i am more than 1000 and more than 2000. my hundreds and ten digits add up to 12

    asked by gun
  26. Physics

    Can you please help with the following: x^2+2x-35=0 I can't remember how to get the different possibilities. Appreciate help, thanks

    asked by Joshua
  27. Math

    1. A rangers tower is located 44m from a tall tree. From the top of the tower, the angle of elevation to the top of the tree is 28 degrees and the angle of depression to the base is 36 degrees. How tall is the tree? 2. An engineer determines that the angle

    asked by Tsunayoshi
  28. Physics

    A 2.75kg block of copper at 22C dropped into 5.25kg of water at 12.0C. What is the final temperature of the mixture? Specific heat: water = 4.19J/kgK copper = 390J/kgK

    asked by Tsunayoshi
  29. English

    Is this an Assonance? "I still have more harvesting to be done"

    asked by Tiuga
  30. 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 Brittany Jones
  31. Percent Math Fasted Way to Solve

    The BMR for a man in his 20s is about 1,700 calories per day. If 204 of those calories should come from protein, about what percentage of his diet should come from protein?

    asked by Anonymous
  32. Fractions

    Juan ate 1/3 of the jellybeans. Maria then ate 3/4 of the remaining jelly beans, which left 10 jelly beans. How many jelly beans were there to begin with?

    asked by Anonymous
  33. Math

    Tristan is laying 12" x 18" tiles on the lab floor. If the lab measures 15 feet by 18 feet, how many tiles does Tristan need, assuning there's no waste.

    asked by Anonymous
  34. Math

    Which relation is NOT a function? Y=0 X=2 Y=2x Y=x+2

    asked by Joseph
  35. Human Relations, Part 1

    Which of these statements is true? A. Waste isn't a problem in reaching group goals. B. Sacrifice isn't necessary to achieve group goals. C. Individual productivity is necessary for group productivity. D. Individual productivity is more important than

    asked by Tazkiyah
  36. Math:A.P.

    The 1st,3rd and 9th terms of an A.P are the three terms of a G.P.if the 7th term of the A.P is 19.calculate the 20th term of the A.P and the sum of the first 12terms of the G.P(LEAVING YOUR ANSWER IN INDEX FORM)

    asked by Miracle
  37. Math

    "We sigh 2 new Customers out of every 7 people with whom we speak. Our goal is to sign 120 new customers. How many people will we have to speak with to meet our goal?

    asked by Denise
  38. physics

    A.Use newtons first law to explain why whiplash occurs? B.why are cars fitted with head rests?

    asked by OwamIII
  39. geometry

    My problem is with a parallelogram that has three numbers which are 88 degrees,104,and 80. Then the fourth on is 8x minus 2 how do I slove this

    asked by noah
  40. Chemistry

    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
  41. Math

    "I need to make 23 more sales. My Current close ratio is 1:3.5, so I need to make how many calls?

    asked by Denise
  42. Spanish Composition

    I have already submitted a composition for proofreading but no one has responded. So I'll repost it just in case it wasn't flagged. Me gusta pasar al tiempo con mis amigos porque son muy interesantes. Sus nombres son Clarissa, Caitlin, Jennifer, Victoria y

    asked by Tina
  43. chemistry

    Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.180 M pyridine, C5H5N(aq) with 0.180 M HBr(aq): 1)before addition of any HBr 2)after addition of 12.5 ml of HBr: 3)after addition of 16 ml of HBr: 4)after addition of 25 ml

    asked by rachael
  44. math

    amamda is 12 years old. she is 2/7 times as old as her father. how many years ago was her father 4 times as old as amanda?

    asked by jill
  45. U.S History - Need help to check my answer

    Document C “. . . . It said that we are not prepared for war, and ought therefore not to declare it. This is an idle objection, which can have weight with the timid and pusillanimous only. The fact is otherwise. Our preparations are adequate to every

    asked by Cassidy
  46. goverment

    The officials and employees who help the president manage his executive duties are collectively known as the _____.

    asked by josh
  47. Chem (Specific Heat)

    I am confused as to how to solve this problem. Can someone please tell me the steps? I know SH = heat/ mass x change in temp. What is the specific heat of a metal if 7.74 × 103 J of energy is required to warm a 75.0 g sample of the metal from 10 °C to

    asked by mysterychicken
  48. Research Project: Anatomy & Physiology 1

    What would be some of the medical disorders Research Project: Anatomy & Physiology 1?

    asked by Diana
  49. 9th grade algebra

    suppose the population of deer in a state is 10,280 and is growing 1% each year. predict the population after 5 years.

    asked by mobile
  50. Algebra 2

    A ball is dropped from 400 ft what is the height of the ball on the 6th bounce? 1 bounce =280 ft 2 bounce= 196 ft 3 bounce = 137.2 How do I figure this out?

    asked by Ana
  51. math

    A movie theater charges $8 per movie ticket. How much would it cost for six people? Make a graph to represent the situation. Let x represent the number of tickets. Let y represent the cost, in dollars Write an equation to represent the

    asked by Need Help!
  52. math***help plz***

    please help me with math. A car travels 132 miles using 4 gallons of gas.At that rate,how far can the car travel using 7 gallons of gas? A.231 miles B.264 miles C.134 miles D.1,260 miles

    asked by taylor
  53. Algebra

    A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5

    asked by Anonymous
  54. maths

    Shannon wishes to make a deposit. She has these bills: 4 ones, 2 fives, 3 tens, and 2 twenties. She has 6 nickels, 10 dimes, and 12 quarters. Shannon has checks for $22.50 and $79.00. Shannon wants to receive $20.00 in cash. What should she enter on the

    asked by Anonymous
  55. Human Relations Part 1

    When you complete a job, but use more time and effort than is truly necessary, how have you worked? A. Effectively, but not efficiently B. Neither effectively nor efficiently C. Efficiently, but not effectively D. Both effectively and efficiently

    asked by tazkiyah30
  56. math

    A movie theater charges $8 per movie ticket. How much would it cost for six people? Make a graph to represent the situation. Let x represent the number of tickets. Let y represent the cost, in dollars Write an equation to represent the

    asked by Need Help!
  57. calculus

    Suppose h(x) = f (g(x)) and the graphs of f and g are shown below. Describe the continuity of h at x = 0. how would you do this if you were given two graphs: F--- discontinuity at -2,0; point at -1,1; and point at 0,0 (to make a parabola) then

    asked by lisa
  58. Algebra

    What is the order of 5 X 10^-8, 7 X 10^-9, 3 X 10^-9, 8 X 10^4 from least to greatest? Is it 3 X 10^-9, 7 X 10^-9, 5 X 10^-8, 8 X 10^4?

    asked by Anonymous
  59. History

    1. A Hindu society in Southeast Asia that resisted both Buddhism and Islam was: A. Bali. B. Indonesia. C. Thailand. D. Cambodia. im confused between A and B 2. By the twelfth century, great center of Islamic learning in West Africa was: A. Great Zimbabwe.

    asked by Any
  60. calculus

    If limit as delta x approaches 0 of tan(0+Δx)-tan(0)/Δx =1 which of the following is false: d/dx [tanx]=1 the slope of y = tan(x) at x = 0 is 1 y = tan(x) is continuous at x = 0 y = tan(x) is differentiable at x = 0

    asked by lisa
  61. probability science

    Consider the same model of two rolls of a tetrahedral die, with all 16 outcomes equally likely. Find the probability of the following events: a) The value in the first roll is strictly larger than the value in the second roll.

    asked by two time
  62. science

    Paul checks the weather forecast. If the forecast is good, Paul will go out for a walk. If the forecast is bad, then Paul will either stay home or go out. If he goes out, he might either remember or forget his umbrella. In the tree diagram below, identify

    asked by same
  63. math

    A rectangular garden is 6m longer than it is wide. Find the dimensions of the garden if its area is 520m"?

    asked by kledi
  64. science

    Let , , and be disjoint subsets of the sample space. For each one of the following statements, determine whether it is true or false. Note: "False" means "not guaranteed to be true." a) True FalseStatus: unsubmitted b) True FalseStatus: unsubmitted c) True

    asked by intel
  65. calculus

    Suppose f (1) = 2, f ΄(1) = 3, g(1) = 5, and g΄(1) = -4. Evaluate (f g)΄v at x = 1. Answer -12 7 10 23

    asked by ashley
  66. calculus

    Evaluate the limit as x approaches 0 of [tan(x+Δx)-tan(x)] /Δx: sec^ 2 (x) cot (x) sec (x) does not exist

    asked by ashley
  67. math

    A concert promoter wants to give away 240 tickets to 3 radio stations. Which basic math fact can he use to find 240 image 3 using mental math?

    asked by nathalie
  68. History

    As a result of the publications of Bartolomé de Las Casas: A. Amerindian rights were recognized and respected. B. the encomienda system was established. C. Amerindians became more maltreated than before. D. the Spanish government was more attentive to the

    asked by Any
  69. math

    ANSWER THESE NOW PLEASE !!!!!!! 2.yesterday ,a parking lot had 10 cars parked in it.of the cars parked in the parking lot l,40% were silver,3 were red,and the rest were blue.how many of the cars were blue? A.2 cars B. 5 cars C. 3 cars D. 8 cars 3.everyone

    asked by mose
  70. math

    A water tank is 12m high.it has a a rectangular base, and the length is 7m more than the width. if the volume is 1728m3, find the dimensions of the tank

    asked by kledi
  71. science

    Mary and Tom park their cars in an empty parking lot with n >_ 2 consecutive parking spaces (i.e, spaces in a row, where only one car fits in each space). Mary and Tom pick parking spaces at random. (All pairs of parking spaces are equally likely.) What is

    asked by dell
  72. math***CHECK ANSWERS***

    PLEASE CHECK MY ANSWERS! THANKS please help me and thanks to you all !! 1. A car travels 132 miles using 4 gallons of gas.At that rate,how far can the car travel using 7 gallons of gas? A.231 miles (I pick this) B.264 miles C.134 miles D.1,260 miles

    asked by mose
  73. Grammar ~CHECK MY WORK PLEASE~

    Which of the following sentences is correct? a) Mr. and Mrs. Smith goes on vacation. b) Mr. and Mrs. Smith has gone on vacation. c) Mr. and Mrs. Smith have gone on vacation. ********** d) Mr. and Mrs. Smith is going on vacation.

    asked by Jenny
  74. Research Project: Anatomy & Physiology 1

    What would be diagnostic finding imaging and histology for ALS?

    asked by Diana
  75. U.S History - pls check my answer

    Document D If our ills were of a nature that war would remedy, if war would compensate any of our losses or remove any of our complaints, there might be some alleviation of the suffering in the charm of the prospect. But how will war upon the land protect

    asked by Cassidy
  76. social studies

    What religion had the biggest impact on the East African city of Aksum and became its official religion in the A.D. 300's

    asked by lawyer
  77. History

    1. After Henry VIII’s marriage to Catherine of Aragon was annulled by the Archbishop of Canterbury: A. the English clergy forced him to take her back. B. Pope Clement VII reinstated the marriage. C. Charles V attacked England. D. Parliament finalized

    asked by Any
  78. english proficiency for university studies

    Correct the following sentences for subject-verb agreement,tenses and fragments first one my cat it is very playful

    asked by patricia
  79. Human Relations Part 1

    The main reason self-confidence is important in human relations is because A. self-confidence makes you seem more interesting to other people. B. forming relationships involves risk. C. self-confidence makes you appear important in the eyes of other

    asked by tazkiyah30
  80. math***check answerss****

    please check answers... 2.yesterday ,a parking lot had 10 cars parked in it.of the cars parked in the parking lot l,40% were silver,3 were red,and the rest were blue.how many of the cars were blue? A.2 cars B. 5 cars C. 3 cars (I PICK THIS) D. 8 cars

    asked by mose
  81. History

    1. The legacy Louis XIV left to France was: A. control, finally, over the foreign trade of the Netherlands. B. a hugely expanded territorial domain. C. a nation that was financially destitute. D. the friendship of the rest of Europe. im confused between B

    asked by Any
  82. math

    A lab is growing bacteria in a culture dish. The amount of bacteria in the dish doubles every 3 hours. Initially, there are 500 bacteria in the dish. How many are in the dish after 9 hours? My answer: 4000 -(5)^-1 My answer: -1/5

    asked by Anonymous
  83. social studies

    What did the Mali for conquered people to do as they passed through the tran Saharan trade route and why.

    asked by lawyer
  84. Science

    The action and reaction forces in any situation will always be ----- and ----.

    asked by Alex
  85. Grammar ***CHECK MY WORK PLEASE***

    What are the three main parts of a research report? a) Title, body, conclusion ********* b) Introduction, body, sources c) Introduction, body, conclusion d) Introduction, evidence, conclusion

    asked by Jenny
  86. Math

    Simplify the expression. (-4)^-6(-4)^-7 My answer: -4 Simplify and give the answer in scientific notation. (5 X 10^6((3 X 10^5) My answer: 1.5 X 10^12 (3 X 10^6)(8 X 10^-4) My answer: 2.4 X 10^3 Astronomers measure large distances in light-years. One

    asked by Anonymous
  87. math

    A water tank is 12m high. it has a a rectangular base, and the length is 7m more than the width. if the volume is 1728m3, find the dimensions of the tank

    asked by kledi
  88. physics

    A balloonist floating at an altitude of 150m accidently drops his book and starts to ascend at a constant velocity of 1.2m/s. How will the balloon be when the book reaches the ground?

    asked by Gnoyons
  89. Lag Arts. Dragonwings HELP PLZZZZ!!!

    These questions are from the story DragonWings. 1) His son is a black dog. A) Windrider ** B) Lefty C) Uncle Bright Star 2) He admits that "he doesnt know much about being a father" A) Handclap B) Uncle Bright Star C) Windrider**

    asked by Love_Surf
  90. math***CHECK ANSWER***

    please check this one answer. 3.everyone in andy's class has to do a science project. Out of the 20 students,80% have completed their project.how many students still need to finish their projects? A.100 students B. 36 students C. 16 students D. 4 students

    asked by mose
  91. Math

    A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 18,112.45 A $6000 principal earns 8% interest compounded semi annually after 35 years. What is the balance? A.

    asked by Anonymous
  92. HR LAW

    Hannah Bing was hired by Friendly Cab Company. The employee handbook stated that employeees would only be terminated for good cause. Hannah was fired and replaced with her supervisor's neice. Hannot cannot file a wrongful discharge lawsuit against Friendly

    asked by PAIGE
  93. trig

    a central angle intercepts an arc on a circle equal in length to the diameter of the circle. find the measure, in radians, of the central angle.

    asked by Anonymous
  94. Math

    Simplify the expression. 1.((3)/(2b^4))^3 ((27)/(8b^12)) 2.((t^4)/(10y^4))^-4 (10000y^16)/(t^16) 3. Does the rule y = -3(4^x) represent an exponential function? Yes?

    asked by Anonymous
  95. Social Studies

    During The early 1800s, the US tried to make peace with other countries in order to grow and delvope. Give 2 examples of these countries and what the US hoped to accomplish. please help (:

    asked by Anonymous
  96. LA

    A controversial book may be banned from schools because people disagree about the ideas in it. it does not follow the lesson plan. it contains opinions instead of facts. The author’s bias is evident in this article because he wants readers to support the

    asked by Anonymous
  97. Math asap :(

    ÚQ CE_approx equal ÚS and CE_line qr approximately equal line sr. Select the correct congruence statement for the two triangles. What rule proves the congruence? )ƒ¢QPR CE_approx equal ƒ¢RTS; ASA ƒ¢QPR CE_approx equal ƒ¢STR; ASA ƒ¢QPR

    asked by Anonymous
  98. Reporting

    What t6ype of reporting does this example display, thankies! :) An undercover reporter becomes a sweatshop worker to report the working conditions of this industry.

    asked by :)
  99. math

    write about a composite shape? a coposite shpe is a shape made up of 2 or more geometric shapes?

    asked by kk
  100. math percents

    How do I solve this problem without calculator? I keep coming up with 270 but the calculator says 275 Thirty-three is 12% of what number?

    asked by Angela
  101. math

    If a merchant puts the stores $20 hats on sale for $15, by what % does the merchant decrease the selling price?

    asked by Anonymous
  102. Math

    (y^-5)^-10 y^10 Is this y^60?

    asked by Anonymous
  103. Math 1 question

    Find the area of the triangle. [Note: the base is 22 Ft and the height is 7ft] 154 ft2 58 ft2 77 ft2 38.5 ft2

    asked by Anonymous
  104. Chemistry

    Use the periodic table and predict the number of electrons that will be lost or gained by the following elements as they change into simple ions. Write an equation using elemental symbols, ionic symbols, and electrons to represent each change. a) Ca b)

    asked by Ellenjoy
  105. Math

    Find two numbers, x and y, such that 10% of x is the same as 40% of y. Explain!

    asked by Jessy
  106. Accounting

    What is Beer direct materials and raw materials? Raw materials are the basic materials and parts that are to be used in the manufacturing process Raw materials that can be physically and directly associated with the finished product during the

    asked by Kristina
  107. Physics

    Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. What angle does the ramp make with respect to the horizontal? Please show steps...

    asked by Ray
  108. English language arts

    Is the word Profane used correctly in the following sentence? The relish profane gossip about their neighbors.

    asked by Aryiana
  109. English Language Arts

    Is the word Profane used correctly? The general's widow withheld from biographers information that she feared would profane his reputation.

    asked by Ayriana
  110. Math :)

    Find the area of a parallelogram: base 5 cm, height 20 cm. 100 cm² 90 cm² 50 cm² 25 cm²

    asked by Anonymous
  111. Science asap thankies :)

    If an object sinks in a fluid, the buoyant force is ____ the weight of the object.

    asked by :)
  112. grade 12 calculus and vectors

    Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7

    asked by priyanka
  113. asap science

    what direction does buoyancy act in? all directions, up? etc.

    asked by :)
  114. Texas Southern University

    In a respresentative study,a sample of n = 100 adolescents with a history of group participation is given a standardized self-esteem questionnaire. For the general po;ulation of adolescents, scores on this questionnaire form a normal distribution with a

    asked by Tammy
  115. Math

    Anne and Katherine are both saving money from their summer jobs to buy bicycles. If Anne had $150 less, she would have exactly 1 / 3 as much as Katherine. And if Katherine had twice as munch, she would 3 times as much as Anne. How much money have they

    asked by Anonymous
  116. Algebra 2

    Yoko threw a stone upward at a speed of 10m/sec while standing on a cliff 40 m above ground. A. What was the height of the stone after 3 seconds? B. Estimate how long it took for the stone to touch the ground

    asked by Brad
  117. Phyiscs

    A wooden box with a mass of 10.0kg rests on a ramp that is inclined at angle of 25 degrees to the horizontal. A rope attached to the box runs parallel to the ramp and then passes over a frictionless pulley. A bucket with a mass of m hangs from the end of

    asked by Lupita
  118. reading

    In the book Rachel Carson I'm suppose to agree or disagree about "a person can be a professional scientist or writer but rarely both".the chapter is 3 it says use details and examples from the chapter to support your decision and it's hard for me and I

    asked by maria
  119. Math

    Find the measure of each angle to the nearest tenth of a degree. sin A=0.7245

    asked by Dylan
  120. 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 :)
  121. Physics

    A car is moving down a street at 67 km/h. A child suddenly runs into the street. If it takes the driver 1.26 s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?

    asked by Jake
  122. Math

    Find the measure of each angle to the nearest tenth of a degree. sin A=0.7245

    asked by Dylan
  123. math

    the ratio of cats to dogs is 2:1 and the ratio of dogs to parrots is 15:2. in addition the ratio of parrots to snakes is 3:1. And the ratio is 6:7. What is the ratio of cats to turtles?

    asked by Anonymous
  124. Chemistry

    A 85.2-mg sample of the compound X4O10 contains 48.0 mg of oxygen atoms. What is the atomic mass of element X?

    asked by College
  125. Math

    What is Greater? 1/2 or 2/5?

    asked by Chanel
  126. Physics

    Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. (a)What angle does the ramp make with respect to the horizontal? (b) If the ramp has a length of 6.40 m, how long does it take the puck to reach the bottom? (c) Now

    asked by Ray
  127. Physics

    A 0.018 kg bullet traveling 222 m/s penetrates a 3.9 kg block of wood, and exits the block with a velocity of 72 m/s. If the block was stationary on a horizontal frictionless surface before impact, how fast does it move after the bullet exits?

    asked by Anonymous
  128. Math

    Solve for y Xy+ p=5

    asked by Sara
  129. math

    add 825 + 138 using number line

    asked by Jadarrius
  130. Physics

    A 4 liter sample of a diatomic gas with γ =1.4 confined to a cylinder, is carried through a closed cycle. The gas is initially at 1.00atm. and 300K. First, its pressure is tripled under constant volume. Then it expands adiabatically to its original

    asked by Brody
  131. Physics

    Vertical beam of mercury (Hg atomic mass =202u) atoms emerges from the oven kept at T= 400K. Consider three atoms, emerging from the oven: one with the average speed, one with the rms speed, and the other with the most probable speed of the Maxwellian

    asked by Brody
  132. CHEMISTRY

    A 85.2-mg sample of the compound X4O10 contains 48.0 mg of oxygen atoms. What is the atomic mass of element X?

    asked by College
  133. U.S History - pls check my answer :)

    Document E: HOUSE OF REPRESENTATIVES vote on whether to declare war against Britain STATE YEAS NAYS NORTH N.H. 3 2 MASS. 2 12 R.I. 0 2 VERMONT 3 1 CONN. 0 7 MIDDLE N.Y. 7 8 N.J. 2 4 PA. 9 11 DEL. 0 1 MD. 6 3 SOUTH VA. 14 5 N.C. 6 3 S.C. 8 0 GA 3 0 KY. 5 0

    asked by Cassidy
  134. math

    Emily, Cora, Sahil, and Juan are playing another game. Each player gets a card with a number on it. The reverse side of the card contains a hidden letter. The four players line up on a number line. If they are correct, the hidden letters spell a word. For

    asked by Anonymous
  135. MATH

    Guess what the next number in this sequence is: 16, 5, 14, 7, 21, 9, ____

    asked by TJ
  136. math

    The product of a number and 8 has the same value as that number minus 2. what is that number?

    asked by Thomas
  137. math

    The square of negative nonzero integer is equal to four times of its absolute value. What is the integer?

    asked by Thomas
  138. Itt-Tech

    How much space does the dining are take up for an airship assume the mass of the balloon is 1000kg and dining are for 100 quest

    asked by Bettie
  139. BIOLOGY

    CELLS THAT HAVE DNA BUT LACK A NUCLEUS ARE MEMBERS OF THE KINGDOM? A)VIRUSES B)MONERA C)FUNGI D)ANIMILIA E)PROTISTA

    asked by HELP!!!!
  140. Physics

    An atomic nucleus of radon initially moving at 530 m/s emits an alpha particle in the direction of its velocity, and the new nucleus slows to 410 m/s. If the alpha particle has a mass of 4u, and the original nucleus of radon had a mass of 222u, what speed

    asked by Anonymous
  141. math

    If the area of a square is eighttimes, by what factor do itsw sides increase in length?

    asked by Thomas
  142. Math

    Aron bought 3 pizzas, each with 12 slices. He and his friends ate 1 and two thirds of the pizzas. a) How many slices were left? b) How many pizzas were left?

    asked by thivz
  143. Algebra 2

    The projected population in thousands for a city over the next several years can be estimated by the function P(x)= x^3 + 2x^2 - 8x + 520, where x is the number of years since 2005. Use synthetic substitution to estimate the population. Also could anyone

    asked by Alexus
  144. Science

    Which of the following sets of words can be used to describe the outputs of photosynthesis? water, glucose, light energy carbon dioxide, glucose, chemical energy oxygen, glucose, chemical energy glucose, oxygen, light energy Which of the following is true

    asked by Anonymous
  145. math

    how is m

    asked by Ladonia
  146. math

    If 2/9 gallon of water fills a bucket 3/5 full, how many gallons of water are needed to fill the bucket?

    asked by Emma
  147. alg1

    State the slope and the y-intercept for the graph of the equation. y=2x+3

    asked by :)
  148. math

    Ted, a triathlete, can swim 1.2 miles in 25 minutes, bike 56 miles in 2 hours 25 minutes, and run 13.1 miles in 1 hour 35 minutes. He is training for an Olympic distance triathlon which is 0.9 mile swim, a 24.7 mile bike ride and a 6.2 mile run. If Ted

    asked by Emma
  149. math

    With his new pizza cutter, Jon makes 3 different strait cuts across a circular pizza. What are the number of pieces of pizza he could have made with the three cuts?

    asked by Emma
  150. math

    donna brings 32 slices of apples and oranges to the party. there are 3 times as many oranges than apples. how many apples are there

    asked by ann
  151. math

    The only way to get to Ship Island is to take the ferry which is free for babies (2 and under), $17 for children (3-10 years old), $25 for seniors (62 and older), and $27 for everyone else. Debbie paid $115 for 6 people in her family to go to the island

    asked by Emma
  152. history?

    trying to find valid information on the Black inventor Albert C. Richardson inventor of the butter churn and other things as well. Can you help lead me in the right direction I am only finding Wiki related information

    asked by peewee
  153. math

    The federal minimum wage is $7.25 per hour. a. How much will a worker at McDonald's make in a year if he or she works 8 hours a day, 5 days a week, 52 weeks a year earning the minimum wage? b. USA Today reported that McDonald's gave its Chief Executive

    asked by Emma
  154. physics

    What total capacitances can you make by connecting a 4.98 µF and 8.98 µF capacitor together? series ? parallel?

    asked by Jimmy
  155. physics

    a 65kg person dives into the water from the 10m platform. she comes to a stop 2m below the surface of the water. what net force did the water exert on the swimmer? so for the net force i got -2548N i know: vf^2=vi^2 + 2ad vf^2 = 0 + 2(9.8)(10) vf^2 = 196

    asked by eric
  156. Math

    Explain why its necessary to rename 4 1/4 if you subtract 3/4 from it.

    asked by Hero
  157. Science

    Alternating current going into a transformer has 200 volts. The current coming out has 20 volts. How many loops of wire might each coil have?

    asked by Shawn
  158. Science

    Which of the following are structures that rely on capillaries for exchange or movement of small molecules? A. Teeth, aorta, ureter. B. Cartilage, epidermis, larynx. C. Nephron, villi, alveoli. D. Leukocytes, atrium, bronchi. Can you check this please, it

    asked by SandpitTurtle
  159. algebraic expressions

    write a situation that can be represented by the algebraic expression 3.25d

    asked by tyler
  160. finance

    Mary Watson is 24 years old and single, lives in an apartment, and has no dependents. Last year she earned $45,000 as a sales assistant for Focused Business Analytics: $3,910 of her wages was withheld for federal income taxes. In addition, she had interest

    asked by james
  161. Chemistry

    A 0.960mol quantity of Br2 is added to a 1.00 L reaction vessel that contains 1.23mol of H2 gas at 1000 K. What are the partial pressures of H2, Br2, and HBr at equilibrium? At 1000 K, Kp=2.1×106 and ΔH∘ = -101.7 kJ for the reaction

    asked by Anonymous
  162. Math

    Three ice cream flavors what is probability of choosing strawberry?

    asked by Anonymous
  163. Math

    In a complete sentence, explain why you can cut the rectangles into different shapes and still have four equal parts?

    asked by Raquel
  164. Emmert

    An astronaut mass has a mass of 100kg 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 Karen
  165. Math

    y=3/x2+1 WHat is the range???

    asked by Dane
  166. Math

    Megan's dog Sparky eats 4 1/4 c of food each day. Explain how Megan can determine how much food to give Sparky if she needs to feed him only 2/3 as much. Solve the problem.

    asked by Mike
  167. Chemistry

    how many grams of potassium iodide can be produced by the reaction of 150 grams of iodide and 45.6 grams of potassium?

    asked by Ben
  168. science

    If we drilled a hole straight through the earth, and dropped a golf ball down the hole, starting initially at rest, how fast would the ball be traveling when it reached the center of the earth. The earth’s radius is 6378 km.

    asked by kristi
  169. Chemistry

    Calculate the amount of energy in calories that is needed to melt 45g of ice at -20°C and then increase the temperature to 95°C

    asked by Maggie
  170. English

    1. The cost of the car is high. 2. The cost of the car is expensive. 3. The fee is low. 4. The fee is cheap. 5. The bus fare is high. 6. The bus fare is expensive. -------------- Which ones are grammatical?

    asked by rfvv
  171. Math

    Victor wrapped a gift box with no overlaps How much paper did he use if the length is 8 inches the width is 6 inches and the height is 5 inches

    asked by Jerald
  172. Chemisty

    We recently did the baking soda vinegar reaction to determine how much acetic acid was in 15 mL of vinegar. What is the minimum amount of baking soda that you could do to inure an accurate result? Thank you so much for your help!

    asked by Anonymous
  173. Math

    Cindi wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles will she need if the box has a length of 20 width of 15 and height of 9

    asked by Jerald
  174. Math

    Harry Styles wants to make trail mix made up of almonds, walnuts, and raisins. He wants to mix one part almonds, two parts walnuts and, three parts raisins. Almonds cost $12 per pound, walnuts cost $9 per pound and, raisins cost $5 per pound. He has $15 to

    asked by John
  175. math

    how to change 25 in a mixed number

    asked by clara
  176. math

    The book that Rudy chose to read for his book report has 198 pages. He can read 9 pages in 15 minutes, but he takes a 5 minute break every half hour. Rudy begins reading at 8 am. What time that day will he finish reading the 198 pages? Please explain

    asked by nisrin
  177. fscj

    Johnson had income of $150 million and average assets of $1,200 million. Its return on assets is:

    asked by alonzo
  178. science

    How can atoms of two elements that have a different number of protons have the same charge? A. by also having a different number of neutrons B. by also having a different number of electrons C. by having the same mass number D. by being the same size atoms

    asked by victoria
  179. statitic

    is there a significant difference in the mean weight between the eastern and western conference national football league players?

    asked by peggy
  180. physics

    A proton, initially traveling in the +x-direction with a speed of 6.00×105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.38×10−7s , the proton’s velocity is directed 45 ∘ above the +x-axis.

    asked by chris
  181. Algebra 1

    Simplify each expression. 1. 2x + 10/x+5 2.x^2 - 25/3x - 15 3. x^2 + 4x/x^2 - 9x 4. n^2 + 7n + 10/ n^2 + 2n - 15 Please explain how to do these I don't understand!

    asked by Charlotte
  182. Chemistry

    I'm doing something wrong with osmolarity. I have 100 ml of .9% NaCl. So what i did was take the MW (58.44) and divided it by the .9 because it should be grams, then divided that number by .1 (for the liters) but its coming out with a huge number and its

    asked by Amber
  183. Physics

    A student is doing the egg blast lab. Their egg blast device has a total mass of 0.20 kg. It fires off of the launcher at 26 m/s. The egg hits the wall, splatters, and stays stuck to the wall. Find the total impulse on the egg.

    asked by Anonymous
  184. English

    On my Hw it had this quote from a story saying "the observers went to a different room and let Rico use two rooms to test for his logic" is this a sense of pessimistic, objective, admiring, or it this dramatic?

    asked by Anonymous
  185. Math

    A dog ate 48 bones. The other dog ate 47 bones. How much bones did both dogs eat?

    asked by Joshua
  186. American History

    If at all possible can some one please check my answers? Thank you in advance for you assistance. Which of the following statements about the Southern planter's world is most accurate? My answer: B. Most great planters of the Old South were self-made men.

    asked by Tonya
  187. statistics

    how do the 4th grade girls weight in principal ben's school compare to the national mean weigh = 90 sd=15

    asked by peggy
  188. math

    A movie theater charges $8 per movie ticket. How much would it cost for six people? Make a graph to represent the situation. Let x represent the number of tickets. Let y represent the cost, in dollars Write an equation to represent the

    asked by Need Help!
  189. Social Studies

    11. What resources led to the appearance of the Industrial Revolution in New England? (5 points) 12. 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

    asked by Nicole M
  190. Chemistry

    It says 8. In a similar experiment Mary Moreorlesss was to determine the loss of weight when a crucible of potassium chlorate was heated to drive off the oxygen. After finishing the experiment she concluded the potassium chlorate contained 24.0% oxygen.

    asked by Samantha
  191. history

    who was juan ponce de leon

    asked by mariann
  192. language art

    paragraph about homeless in kids words.

    asked by mariann
  193. math

    Kalin walks at a steady rate of 3 2/3miles per hour. The beach is 4 1/4 miles from his home. How long will it take Kalin to walk from his home to the beach and back to his home?

    asked by alison
  194. math

    Oregon is about 400 miles from west to east, and 300 miles from north to south. If the image of Oregon on a map is 15 inches tall (form north to south), about how wide is the image of Oregon on the map?

    asked by bob
  195. Physics

    ) The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?

    asked by Jacob
  196. physics

    Water of density 1000 kg/m3 falls without splashing at a rate of 0.241 L/s from a height of 81.3 m into a 0.638 kg bucket on a scale. If the bucket is originally empty, what does the scale read 2.06 seconds after the first drop contacts the bucket? The

    asked by Anonymous
  197. math

    find the value for (m) that makes each number sentence true a. 2/3 x 4/5 x m =1/3 b. 4/5 x 2/3 x m =1/3 c.2/3 x 4/5 = 1/3 / m

    asked by alison
  198. Math

    Morley Fast, a contractor, built a warehouse complex in Canmore for the following costs: land, $12,000; concrete & steel' $34,500; plumbing & electrical, $48,990; general carpentry & roof, $42,340; and other expenses, $34,220. Question1: What percent of

    asked by kik
  199. math

    in a department sore there are red t-shirts, blue t-shirts, and yellow t-shirts. 3/7 of the shirts are red, 1/3 are blue and the rest are yellow. if there were 20 more red than blue, how many were yellow?

    asked by jill
  200. Math

    The book that Rudy chose to read for his book report has 198 pages. He can read 9 pages in 15 minutes, but he takes a 5 minute break every half hour. Rudy begins reading at 8 am. What time that day will he finish reading the 198 pages? Please explain

    asked by nisrin