Questions Asked on
November 14, 2014

  1. L.A.Help!!!!!!

    What is the authors main purpose in "Why Leaves Turn Color in the Fall"? A. She wants to persuade readers to stop pollution. B. She wants to inform readers of scientific facts about autumn leaves. C. She wants to explain the origin of macabre fall

    asked by blue
  2. Chemistry

    What is the minimum amount of 6.0M H2SO4 necessary to produce 19.0g of H2(g) according to the reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g)

    asked by Jordan
  3. science Help 911!!

    Which of the following would likely be part of an ionic bond? Choose two that would apply. A.K+1 B.Cl2 C.F-1 D.Ne Are the answers B,D?

    asked by blue
  4. PHYSICS (please help)

    Three masses are connected by a string. M1 = 1.0kg M2 = 2.0kg M3 = 3.0kg Mass one and two are on a table while mass three hangs off the edge of the table (there is a pulley). Find the tension in the string connecting m1 and m2. Assume the table is

    asked by Lauren
  5. sixth grade math

    360 kilometers is 24 of ___ kilometers.

    asked by Stephon
  6. Science Help!

    Which sequence of processes must occur for an atom of carbon to go from a human to a car? A. Respiration, photosynthesis, decompiosition B. Fossilization, decomposition, respiration C. Photosynthesis, combustion, respiration D. Respiration, fossilzation,

    asked by Callie
  7. Science Help!

    Which chemical equation shows that no atoms are lost during a chemical reaction? A. 8Fe+s8-->Fe5 B. 8Fe+8S8--> 8FeS C. Fe+8S8--->FeS D. 8Fe+S8--->8FeS Is the answer A?

    asked by Callie
  8. Science Help!

    Which of the following is true about the atom shown Choose two that apply. The picture shows one big red one in the middle with one blue ring on the outside that had 2 smaller red ones, and another blue ring outside of the first blue ring that had 8

    asked by Callie
  9. Science

    Fill in the blank... 1. ------ digestion occurs in the small intestine through the action of enzymes. 2. ------ can cause infections by injecting the DNA or RNA into hosts 3. The human immune system produces ------- in response to a vaccine, which later

    asked by Just a friend ;-)
  10. Science Help!

    A student made a list of reactions: Fireworks exploding Paper burning Cellular respiration How should the student title his or her list A. Double replacment reactions B. Single replacement reactions C. Endothermic reations D. Exothermic reations Is the

    asked by Callie
  11. L.A.Help!!!!!!

    Which sentence is a main idea of "Why Leaves Turn Color in the Fall"? A. Leaves stop making chlorophyll add summer ends. B. Leaves reflect the colors of corn, pumpkins, and cranberries in the fall. C. Photosynthesis begins in the fall. D. Longer days and

    asked by blue
  12. Science Help!

    Lisa studied the models of three carbon nuclei shown below. She listed information about the carbon nuclei in a table. Name Carbon 12 number of protons 6 number of neutrons 6. Name Carbon 13 number of protons 6 number of neutrons 7. Name Carbon 14 number

    asked by Callie
  13. Science Help!

    The arrows in the image show the direction in which carbon is moving. Which proces of the carbon cycle is indicated? The picture is of a wolf going after a bunny there is a building in the back with black smoke coming out of it and the arrows are point to

    asked by Callie
  14. programming

    write a pseudocode to accept item name, price, and quality from a user and display the item name and it's total value. the total value can be calculated as the product of price and quality

    asked by germain
  15. Social studies

    In which provinces will you find the western highlands? This is about Pakistan.

    asked by Noor
  16. Science Help!

    Johhny left a glass of milk on his bedside table for a week, and it spoiled. At the end of the week, the glass contained a yellow liquid with white chunks, and there was a terrible odor. What can be concluded? A. The milk has undergone a physical change.

    asked by Callie
  17. HEALTH

    1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms** carbon dioxide plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of

    asked by health/ pe CHECK ANSWERS
  18. Art History

    In the Doric order, which of the following are alternating panels in the frieze, which are sometimes sculpted? A. Metopes B. Triglyphs C. Palmettes D. Volutes My textbook says it's A and B. So I am really confused on this one.

    asked by Pat
  19. science Help 911!!

    You are creating a carbon cycle poster. Which object could you add to the image as another example of combustion of fossil fuels? A. the sun B.a buzzard eating a dead animal C.a person driving a car D.a scientists digging up fossils The picture shows a

    asked by blue
  20. Science 8 - Check Answers

    Please Check Answers. 4. When a fan is turned on, it changes electrical energy into ______ energy. A. motion * B. magnetic C. gravitational D. electromagnet 5. An experiment discovered that a particular material was a poor conductor of electricity. This

    asked by Georgia
  21. math

    TWO PARTS: 1)Derrick's garden is 18 1/2 feet long. He plants bulbs 3/8 of a foot apart. How many bulbs can Derrick plant in one row? 2)Derrick plants three rows of bulbs that cost $0.79 each. How much does he spend on bulbs? Thank You!!

    asked by kymy
  22. Science- Very Urgent

    is it reasonable to expect that these models will change again in time? Explain. Like the bohr diagram and etc;

    asked by Laura
  23. physics

    A piece of putty of mass m = 0.75 kg and velocity v = 2.5 m/s moves on a horizontal frictionless surface. It collides with and sticks to a rod of mass M = 2 kg and length L = 0.9 m which pivots about a fixed vertical axis at the opposite end of the rod as

    asked by bob
  24. L.A.Help!!!!!!

    Why does the author organize"The Seasons Curmudgeon Sees the Light,"as she does? By Mary C. Curtis A. to contrast fall weddings and song with spring weddings and song. B. to contrast reading with gardening. C. to show her feelings about spring have

    asked by blue
  25. science Help 911!!

    One way the modern atomic model differs from Thompson's atomic model is that electrons are no longer scattered throughout an atoms positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a

    asked by blue
  26. algebra

    A contestant on a game show must guess the price of a new car. The contestant will win if his guess is within $1000 of the price of the car. If the price of the car is $24,995 and the contestant's guess is represented by g, what absolute value inequality

    asked by Anonymous
  27. science Help 911!!

    If new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current? A. atomic theory B. atomic model C. atomic number D. carbon cycle Is the answer A?

    asked by blue
  28. Science Help!

    Which of the following demonstrates that reactants and profucts are chemically different? A. Zn+2HCI-->2HCI+Zn B. Zn+2HCI-->H2+ZnCI2 C. H2O+C4H10-->H2O+C4H1 D. C4H10+H2O-->C4H10+H2O Is the answer C?

    asked by Callie
  29. chemistry

    Assuming 100% dissociation, calculate the freezing point and boiling point of 0.700 mol of AgNO3 in 1.00 kg of water.

    asked by Anonymous
  30. Math Help!

    Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch, Use the scale drawing of the living room to answer each question. What is the lenth of the fireplace in inches? The fireplace has 5 squares. A. 90 inches B. 45

    asked by Callie
  31. English

    1. Even if the sun were to rise in the west, I would never change my mind. 2. Even though the sun were to rise in the west, I would never change my mind. 3. Even if the sun were to rise in the west, I will never change my mind. 4. Even if the sun were to

    asked by rfvv
  32. math

    Show how to make one addend the tens number. Problem: 22+49= 71 new problem.

    asked by Linda
  33. English

    How does Hamlin Garland's "The Return of a Private" exemplify the characteristics of regionalism?

    asked by Isabella
  34. Art Help!

    How can art help the science of conservation? A. by encouraging people to buy new products B. by educating people on the importance of recycling C. by creating new careers for people D. by telling people to use more materials. Is the answer B?

    asked by Callie
  35. physics

    A 50.0 g sample of lead starts at 22 degrees Celsius and is heated until it absorbs 8.7 X 10^2 of energy. Find the final temperature of the lead

    asked by Princess
  36. Social studies

    Five names of radio programmes in Pakistan ?

    asked by Noor
  37. Spanish

    Sra. do these look correct? ¿Cuánto tiempo hace que…? Conteste las preguntas utilizando frases completas en español. 1) ¿Cuánto tiempo hace que has escrito una carta a mano? ¿A quién la escribiste y por qué? Hace tres meses que he escrito una

    asked by Anna
  38. chemistry (AP)

    The heat of neutralization of HCl (aq) by NaOH is -55.9Kj/mol H2) produced. If 50ml of 1.6M NaOH at 25.15 celsius is added to 25ml of 1.79M HCl at 26.34 celsius in a plastic foam cup calorimeter, what will be solution temperature be immediately after the

    asked by Annie
  39. Science

    In what ways is Bohr's model of the atom similar to and different from Thomson's model? I still need someone to help me.. I don't know the similarities and differences..

    asked by Laura
  40. Physics

    Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.2 m long. His speed at the bottom of the swing is 7.2 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that

    asked by Anonymous
  41. Math

    sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x (8/17 divided by 15/17)

    asked by Sally
  42. Math

    sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta)

    asked by Larry
  43. Science

    In what ways is Bohr's model of the atom similar to and different from Thomson's model?

    asked by Laura
  44. history essay please help!

    How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place. My essay: Today's world population growth compared to the population growth 100 years ago is a big, big difference. The

    asked by andrew
  45. Intermediate Algebra

    A bank loaned out 15,000part of it at a rate of 6% per year and the rest at 14%per year. If the interest received in one year totaled 1500, how much was loaned at 6%? 0.6x +14(15,000-x)=1500 0.6+2100-14=1500 1x=1500-2100 x=600 x=600/1 x=600 loaned @6%

    asked by Anonymous1234
  46. english

    S-subject, DO-direct object, SC-subject complement, OP-object of preposition What I had been hoping for was a scholarship.

    asked by kelcie
  47. geomerty

    how to find the distance between each pair of points (0,3)and (3,-5)

    asked by anna
  48. science Help 911!!

    In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A bond is found in a water molecule. A. ionic bond B. Covalent bond C. chemical bond D. isotope Is the answer B?

    asked by blue
  49. Math

    Whars 189.80. Times 6.25% less 33 1/3 % Is it 189.80 + 11.86 = 201.66 - 67.22 = $134..44

    asked by Elle
  50. science

    which of the following different when comparing the deep ocean to the intertidal zone

    asked by kayli
  51. Jiskha explanation from DrBob222

    1. This is a homework help site, not a homework do site; i.e., our objective on this site is to help students understand a concept so they may work through a problem. That is to say that we USUALLY do NOT provide direct answers. 2. Most of us volunteers

    asked by Ms. Sue

    A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction

    asked by Anonymous
  53. Art History

    Which civilization had the most fortifications? A. Cycladic B. Minoan C. Mycenaean D. Harappan I think it's C.

    asked by Pat
  54. p e

    Which of the following is not a sign of psychotherapy? A. insight B. cognitive C. medications

    asked by somebody help i am new
  55. physics

    a 6.3 kg watermelon is placed at one end of a 7.6 m, 201 n scaffolding supported by two cables. one supporting cable is at the opposite end of the scaffolding, and the other is 1.1 m from the watermelon

    asked by Anonymous
  56. Math

    Estimate the answer to the following problem by rounding to the nearest 10: 13 + 46 + 87 = ? A: 130 B: 155 C: 160 D: 150 I personally think its 160, because look; 13 + 46 + 87 = 146. I rounded it, and I think it's 160. Could anybody find out if it's

    asked by Lexi
  57. Math

    Find the probability of getting at least one tail when tossing 4 fair coins. Round to three decimal

    asked by Sam Ali
  58. Health And Physical Ed

    The best thing to put on severe sunburn to help relieve the pain is>

    asked by Branden
  59. math

    Yin's cellphone plan costs $30 a month. She used 12.5 hours in May. About how many calls did Yin make in May? THANK YOU!

    asked by kymy
  60. Math Help Respond To @Steve

    So for this question: The number of bacteria present in a culture is given by the following model B=1000e^0.276t; where t= time in minutes. Find the time required to have 6000 bacteria present. Then, round your answer to the nearest tenth of a minute;

    asked by Micki
  61. chemistry

    You perform the following titration: You placed 35 mL of H2S in a flask and placed it under a buret. The buret contains 0.243M Sr(OH)2 and you are going to titrate the H2S with the base. You titrate until the color changes. At that point, you record that

    asked by steph
  62. science Help 911!!

    Sodium chloride is formed when atoms lose and gain electrons. Carbon monoxide is formed when atoms share electrons. In both substances, atoms are held together by? A. Ionic bond B. chemical bond C. atomic mass D. proton Is the answer D? Your grandson can

    asked by blue
  63. Pre-Calc/Trig

    Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x

    asked by Anonymous
  64. English

    Thoreau included the following sentence in Walden: "There is some of the same fitness in a man's building his own house that there is in a bird's building its own nest." Which of the following statements rephrases his literal comparison as a metaphor? A. A

    asked by Sam
  65. Physics

    A 1180 kg car rounds a circular turn of radius 19.1 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.67, how fast can the car go without skidding? m/s

    asked by Anonymous
  66. physics

    consider the 666 N weight held by two cables shown below. The left hand cable and tension 530 N and makes an angle of theta2 with the ceiling. The right hand cable had tension 390 N and makes an angle of theta1 with the ceiling. What is the angle theta1

    asked by sally
  67. Algebra

    The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f?

    asked by Trish Goal
  68. Calculus

    The maker of an automobile advertises that it takes 11 seconds to accelerate from 15 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. What is the distance the car travels during the 11 seconds (Round

    asked by Jessica
  69. english

    How would you form a superlative for the adverb widely? A. Add the word less B. Add the word most C. Remove the “ly” D. Add the suffix “est”

    asked by Tatyana
  70. Statistics

    Suppose that the probability that a new medication will cause a bad side effect is 0.03. If this medication is given to 150 people, what is the probability that more than three of them will experience a bad side effect?

    asked by Bill
  71. Chemistry

    How many electrons can be described by the quantum numbers n = 2, l = 1, ml = -1? a.) 2 b.) 14 c.) 6 d.) 10 e.) 0 I thought it was 6 but here's my reasoning n = 2 energy levels l = 1 (p orbital) ml = -1 (I don't think this is relevant to the question?)

    asked by Annie
  72. Math Help

    The number of bacteria present in a culture is given by the following model B=1000e^0.276t; where t= time in minutes. Find the time required to have 6000 bacteria present. Then, round your answer to the nearest tenth of a minute.

    asked by Micki
  73. Organic Chem

    4 KO2 + 2CO2 rightwards arrow 2 K2CO3 + 3 O2 How many moles of O2 can be produced from 12 moles of KO2 and 10 moles of CO2? If you were to produce 100.0 grams of O2 what would be the percent yield of the reaction?

    asked by Joanne
  74. rehobeth

    maximum for p=6x+2y

    asked by shayla
  75. Social studies

    Five names of tv programmes in Pakistan ?

    asked by Noor
  76. math

    A small rug is 36 inches long. Its width is 2/3 of its length. What is the width of the rug in feet? THANK YOU!

    asked by kymy
  77. math

    a city is served by two newspapers-the Tribune and the Daily News. Each Sunday a reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week given the

    asked by tracy
  78. Physics

    A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction

    asked by Anonymous
  79. physics

    135.2 J of heat energy are transferred to 24.75 g of mercury. By how much does the temperature increase? (in K) Specific heat of the mercury is 140 J/kg·°C. How much heat is needed to raise the temperature of 24.75 g of water by the same amount? Specific

    asked by sunshine
  80. Physics

    The speed of a transverse wave on a stretched string can be changed by adjusting the tension of the string. A stationary wave pattern is set up on a stretched string using an oscillator set at a frequency of 650 Hz. How must the wave be changed to maintain

    asked by Clement
  81. Physics

    The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in the figure are released from rest, with m1 at a height of 0.91 m above the floor. When m1 hits the ground its speed is 1.0 m/s. Assume that the pulley is a uniform disk with a

    asked by Kim
  82. Coordinates Help asap?

    Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. (3 point) Are these right? If not can you help solve step by step??

    asked by Moby
  83. Intermediate Algebra

    Suppose you have a credit card debt of $6000. Last month, the bank charged you $85 interest on the deb. The solution to the equation is 85=6000/12 r represents the annual interest rate on the credit card. Find the annual interest rate on the credit card.

    asked by Anonymous1234
  84. math

    Louis earned 256 helping his mother paint a house. He spent 11/16 of it on a computer program how much did louis spend on the program. Is the annswer 176 on program

    asked by anonymous
  85. stats

    Weights of parts are normally distributed with varianceσ2. measurement error is normally distributedwith mean zero and variance 0.5σ2, independent ofthe part weights, and adds to the part weight. Upper andlower specifications are centered at 3σ about

    asked by sam
  86. Juvenile Justice

    Studies show that early association with deviant peers is especially prevalent among youth who are from dysfunctional families that: A. provide little supervision or monitoring. B. are single-parent households. C. have at least one domineering parent. D.

    asked by Linda
  87. chem

    A 20.0% (w/w) aqueous solution of NaOH has a density of 1.125 g/cm^3. What is the molarity (M) of this solution?

    asked by bekah
  88. math

    how high is a tree that cast a 36ft shadow at the time a 12ft post cast a shadow which is 12 ft. how high is the tree hight

    asked by mleya
  89. Pre-Calculus

    Use a graphing calculator to write a polynomial function to model this set of data {(5,2) (7,5) (8,6) (10,4) (11, -1) (12 -3) (15,5) (16,9)} A) f(x) = 2x3 + 2.70x2 + 0.09x - 65.21 B) f(x) = 2x3 - 0.09x - 65.21 C) f(x) = 0.09x3 - 2.70x2 + 24.63x - 65.21 D)

    asked by TeeKay
  90. Social studies

    Look the climate map of Pakistan : which part of the country is warmer?

    asked by Noor
  91. Algebra

    Find t if the expansion of the product of x^3-4x^2+2x-5 and x^2+tx-7 has no x^2 term.

    asked by Trish Goal
  92. statistics

    Suppose a restaurant in town serves three fixed price dinners costing $12, $15, and $20. For a randomly selected couple ( Penny = X and Leonard= Y), the joint probability table for their selections is given below. Y p(x,y) 12 15 20 12 .05 .05 .10 15 .05

    asked by Anonymous
  93. History help

    Weathering and erosion break down rocks and slowly create a) oxygen for plants. b) Earth's poles. c) tectonic plates. d) new landforms.***

    asked by dddd47906
  94. physics

    A child pulls a 13 kg sled across the snow at a constant 1.6 m/s [N] applying a force of 51 N [N 25 deg U]. How much work have they done after pulling for 44 m? Round answers to the nearest whole number. m=13kg Vcon=1.6m/s F=51N d=44 cos theta=25

    asked by me
  95. Math

    convert the repeating decimal to a/b where a,b are integers and b #0.

    asked by Michelle
  96. English - grammar

    I need my sentence to be past tense third person. I know my main verb 'caused' is past tense, but the 'prime acting citizens' phrase is confusing me since 'acting' ends in 'ing', which is not past tense. Do I need to change it to make it past tense? Rules

    asked by Susan
  97. physics

    216J if energy is required to raise the temperature of aluminium from 15 degrees Celsius to 35 degrees Celsius. Calculate the mass of the aluminium. My work I keep getting 0.012 but it is not right I know the formula is Q= m x C x T

    asked by Jiskha help
  98. Chemistry

    A 0.327 g sample of a mixture of NaOH(s) and NaCl(s) requires 31.5 mL of 0.150 M HCl(aq) to react with all the NaOH(s). What is the mass percentage of the NaOH(s) in the mixture?

    asked by Lexie
  99. physics

    How much heat must be added to 20 grams of water at 100 degrees Celsius to convert it to steam? My work Q = (20)(4.18 x 10^3)(100) = 8360000 J Is that the correct answer?

    asked by Jiskha help
  100. Astronomy

    How long does it take a protostar with one solar mass to become a main sequence star? 1 or 3 or 10 or 30 or 100 million years?

    asked by Steve
  101. physics

    using 6400 km as the radius of earth, calculate how high above earth's surface you would have to be in order to weigh 1/16th of your current weight.

    asked by gabby
  102. math probability

    A box has ten dollars, one is five dollar and four of one dollars. If two bills are chosen at random without replacement, find probability of getting A) amount of valued fifteen dollars B) amount of twelven dollars... is it 4 from 19-15 for A and 7 from

    asked by sandy
  103. business finance

    A young couple was involved in a multi-level marketing business for a number of years under the wife’s name. The husband used his money and made a loan of RM 20000(about 6000 US dollar) from an Islamic bank to start the business. The profit gained from

    asked by amaliena
  104. English/grammar

    please find the error: 1. To whom is this wallet that was found in the room yesterday? 2. A man with five children have a large family to support. thanks... :)

    asked by Chen
  105. Math

    Which term best describes the solution of the situation represented by the system of inequalities? (Assume that x >= 0 and y >= 0.) 3x + 4y

    asked by Sam
  106. Physics

    Determine the moment of inertia for three children weighing 64.0 lb, 44.0 lb and 83 lb sitting at different points on the edge of a rotating merry-go-round, which has a radius of 12 ft.

    asked by Ashely
  107. US History

    In regards to decisions affecting foreign policy, how did Jefferson’s actions as President validate or contradict his philosophical views as a Democratic-Republican?

    asked by Julie
  108. statistics

    I do not understand this. Can you please explain it to me and how I am suppose to get the answer? Find the probability that a data value picked at random from a normally distributed population will have a standard score that corresponds to the following:

    asked by MissPatte
  109. math

    The average height of 3 students is 68 inches. If 2 of the students have heights of 70 inches and 72 inches respectively, thenw hat is the height (in inches) of the third student?

    asked by factions
  110. math

    find the value of the variable that would make the equation true.. 1.) 5x = 15 2.) -3x = 21 3.) 9x = -27 4.) -7x = -12 5.) 2/3 x = 8

    asked by Anonymous
  111. MATH

    The average of 30 numbers is 65. If one of these numbers is 65, the sum of the remaining number is... A.65*64 B.30.64 C.29*30 D. 29*64 E. 29 *65 Is it A?? If not, can you explain

    asked by factions
  112. Juvenile Justice

    Why is the military style of juvenile boot camps so popular? A. It projects the image of getting tough with juvenile crime. B. It contributes to the overall evaluation of juvenile boot camps, which is extremely positive. C. It helps boot camps to be

    asked by Linda
  113. lit

    i wrote a sonnet on winning, can some review and give additional ideas and changes. also help me with last stanza. At times I wonder why I want to win Maybe it is the thrill of beating them Maybe a first prize medal or a shiny pin I know I’d love to win

    asked by Sarah
  114. Physics

    The graph shows the temperature versus time relationship for 2 kg of particular substance. The substance is in the solid state at a room temperature of 20 degrees Celsius. - The 100 joules of heat is needed to completely change the substance from a solid

    asked by Joey
  115. English

    1. Tired, he went to bed earlier. 2. Being tired, he went to bed earlier. 3. As he was tired, he went to bed earlier. (Are they all grammatical?) 4. As it was sunny, we went on a picnic. 5. It being sunny, we went on a picnic. 6. It sunny, we went on a

    asked by rfvv
  116. physics

    Calculate the potential energy of a 9.00 g bullet traveling 4.00 m above the ground at 50.0 m/s with respect to the ground

    asked by Kendra
  117. MATH

    A function machine accepts inputs as ordered pairs. the componets of the ordered pairs are natural numbers and the first component is the length of rectangle and the second comonet is the width . the given machince comptes the perimiter . find the out ut

    asked by EMMA
  118. Pre-Calc/Trig

    What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3

    asked by Anonymous
  119. math

    Dan is making 4 batches of chicken soup. Each batch of soup uses 2/3 cup of rice. How many cups of rice does he need. Is the answer 2 2/3 cups

    asked by anonymous
  120. math

    sales tax is 8.2 percent find the sales taxes on a purchase of 273.00.

    asked by Emma
  121. Math

    Condense the expression to the logarithm of a single quantity. 5lnx-6ln(x+2)

    asked by Fiona
  122. math

    what is 4 to the negative 2 times 2 to the 0. my options are 8 16 1/16 -64 I think it is 16.

    asked by help
  123. Math

    Simplify (16x^8)^-3/4 1) 16^-3/4*(x^8)^-3/4 2) -12*x^-6 3) -12*1/x^6 4) -12/x^6 Which step is incorrect? Please help!!

    asked by Cherie
  124. Social studies

    rights of women, human rights,and special persons are radio programmes Give me answer in true and false

    asked by Noor
  125. Art Help!

    How is this artistic creation an example of a combination of art and science? It is a picture of an oragomi shrimp made out of brown paper with black eyes. A. It is a creative sculpture of a shrimp. B. It is not anatomically correct. C. It is made with

    asked by Callie
  126. grammar

    he (drink, drank, drunk) all the ice tea.

    asked by Anonymous
  127. algebra

    The area of a rectangle formula is A = lw. Suppose that the width is 5 less than the length. Express area as a function of the width.

    asked by gail
  128. math

    what is decimal

    asked by adrian
  129. Algebra

    Find the leading coefficeint in the polynomial -3(x^4-x^3+x)+7(x^4+2)-4(2x^4+2x^2+1) after it is simplified. I got this -3x^4+3x^2-3x+7x^4+14-8x^4-8x^2-4 and I simplified it to -4x^4-5x^2+10 so what would the leading coeffiecient be -4?

    asked by Trish Goal
  130. SCIENCE


    asked by OMDUTT
  131. Algebra

    ã2x -4 = ã7x + 9 Don't' have a clue. I tried squaring both sides to get rid of the square root but it just isn't working.

    asked by Angie
  132. college algebra

    Find Functions with Given Zeros √2, -√2, 3

    asked by maria
  133. Science - Maps and Computers - Please Check

    Please help me with the following: A single ocean color satellite can collect how many data points? A. 2,000 B. 2,000,000 C. 20,000 D. 2,000,000,000 I know the answer is not D, because I got it wrong. I think the answer is mostly A, but I also think it is

    asked by Brady
  134. Math CHECK!

    5 / 1 -sin theta + 5/ 1 - sin theta the correct answer is 25 / cos^2 theta or 10 / cos^2 theta

    asked by Randy
  135. math

    express 0.32 as a fraction

    asked by lauren
  136. maths lit,business,cinsumer,lo,travel and tourism

    I am really confused I'm doing the above subjects and I want 2 know what can I become

    asked by jamiem
  137. chemistry

    what is the structure of OF anion?

    asked by joo
  138. math probability

    In box containing marbles 1-75, how many ways A) first marble are chosen Answer, i think 1/75 Part B) two marbles are chosen i think answer are inconclusive Part C is ball with number 37 is chosen i think answer is 1/74

    asked by sandy
  139. math

    a ship covered a distance of 41 km due north and then 23 km due east and again 15 km towards north far is it from the point where it started?

    asked by sabin
  140. Chemistry

    What is the molarity of a solution prepared by dissolving 820. g of sodium phosphate, Na3PO4, in water and diluting to 2.89 liters? (atomic masses: Na = 22.99, P = 30.97, O = 16.00)

    asked by Anna
  141. Algebra

    What is the equation in the slope intercept form for the line that passes through the points (1,-3) and (3,1)? Y=3x+1 Y=x-3 Y=2x+5 Y=2x-5

    asked by Rachel
  142. math

    x + 5 = 9sin theta, 0 < theta < pi/2 , cos(2theta) in terms of x cos(2 theta)

    asked by Samantha King
  143. Math Please Assist

    Solve exactly for x: sin^3 x + sin x cos^2 x = cos x If 0 degrees

    asked by Monty
  144. Math

    Hi! So I did this world problem and I got the answer "4194 units" (which is right) however, it says to round my answer to the nearest whole unit. How do I do that? Thanks!

    asked by Tamia
  145. Math

    This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I

    asked by Taylor
  146. Algebra

    There is a polynomial which, when multiplied by x^2+2x+3, gives 2x^5+3x^4+8x^3+8x^2+18x+9. What is the polynomial?

    asked by Trish Goal
  147. math probability

    How many three digits codes (single digits 0-9) are possible part A is codes must exceed value of 400 i think answer is 400 multiply 10 multiply 400 or 400x400x400 as three digits

    asked by sandy
  148. math

    square root in the form a aroot b, were a and b are intergers and a and b has the least value root 24.

    asked by Becky
  149. Algebra

    Suppose f is a polynomial such that f(0)=47, f(1)=32,f(2)=-13, and f(3)=16. what is the sum of the coefficients of f?

    asked by Trish Goal
  150. chemistry

    How can we draw one of the shapes of molecule according to the VSEPR theory which is SO2?

    asked by H.s
  151. Jiskha help

    I haven't being able to post questions for a long time on my internet with different computer, cells, and tablets. Today, it worked. What happened?

    asked by dddd47906
  152. Physics

    The graph shows the temperature versus time relationship for 2kg of particular substance. The substance is in the solid state at a temperature of 20 degrees Celsius b) If 200 joules of heat is added during the time interval B(20 degrees Celsius) to C(80

    asked by Joey
  153. Math

    What is an interquartile range? What is a mean absolute deviation?

    asked by Kelly
  154. English

    Is this a good thesis statement? Europe's forests affect economic activity and the housing industry.

    asked by Anonymous
  155. math

    Find the inverse of f(x) f(x)=3-1/2x

    asked by maria
  156. MATH!!!

    A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

    asked by EMMA
  157. physics

    a boom 4.7 meters,10000 kg, 20 degree angle, find torqe on the pivot i fond force=10000x9.81= 98100 N perpindiclar force = 33552 N torqe = 4.7x33552 = 167695 Nm i am told this is wrong

    asked by andrea
  158. math

    Find the inverse f(x)= -2+7

    asked by maria
  159. SS

    What are some examples of economic activities that may not be present in a peninsula?

    asked by Anonymous
  160. French

    Please check this sentence: Un sport la fille n'aime pas est nager.

    asked by Anonymous
  161. Calculus

    Find the equation of the line tangent to the function f(x)= square root of (x^3 + 4x) through the point (2,4)

    asked by Tom
  162. MATH!!!

    Aparent dies and leaves half of his estate to his four children. THE FIRST ONE GETS 1/2 OF THE ESTte the second gets 1/8 and the thrid one gets 1/4 . how much did the fourth on get?

    asked by EMMA
  163. Math

    What is 8 and 2 over 20 minus 6 and 8 over 20 8 2 - 20 8=? 2=? 20=?

    asked by Andrea
  164. English

    1. The hospital is for certain people. 2. He has a certain problem. 3. He has a sure problem. 4. He is certain that the boy is diligent. -------------------------- Are they all grammatical? The meaning of 'certain' seems to be different. Does #2 mean #3?

    asked by rfvv
  165. Physics

    A force, F = (6x̂ + 7y hat) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (7x̂ + 7y hat + 7ẑ) m. Calculate the torque created by the force about that pivot point.

    asked by Ashely
  166. finance

    the joseph company has a stock issue that pays a fixed dividend of 3.00 per share annually. Investors believe the normal rik-free rate is 4 percent and that this stock is 14 percent,and that this stock should have a risk premium of 6 percent

    asked by betty
  167. programming c++

    write a simple c++ application that displays different varieties of meal. the application must do the following; I. allow a user to choose a meal, ii. prompt the user of the choice made, iii. display the cost of the food.

    asked by paul
  168. math

    the mass of a grain of sand is 8.7*10^-8 write the nurmeral in secentence in standard form.

    asked by Winston
  169. MATH

    put in order from largest to smallest 0.54, 0.60686, 0.5065

    asked by Winston
  170. physical

    help the positions of two particles A and B are P1 (3,4) in meters and P2 ( -3, -4 ) meters respectively. Meters the position A with respect to B is:

    asked by David
  171. Math

    Simplify (27t^2)^2/3

    asked by Cherie
  172. math

    Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?

    asked by Anonymous
  173. English

    Give your mom a day off. ------------------------- In this sentence,is 'a day off' a noun phrase? Or is 'a day off' is made up of an article, a noun and an adverb?

    asked by rfvv
  174. math

    (2+3i) / (4-2i)

    asked by maria
  175. MATH

    write the following square root in the form a over sq root b, where a and b are intergers and b has the least value possible root 63 =

    asked by ELLA