Questions Asked on
December 1, 2014

  1. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie
  2. language arts

    Avalanches happen in a series of stages. First, while the temperature is cold and there is a heavy snowfall, the snow will stick to the ground. Suppose that what happens next is that the air temperature changes after the snow has fallen. Then, a layer of

    asked by hope
  3. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie
  4. Chemistry

    An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely remove) the electron from n=3

    asked by Anonymous
  5. language Arts

    There is little if any, "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out how to

    asked by hope
  6. Algebra 1

    The table shows the relationship between the number of players on a team and the minutes each player gets to play. Players minutes 7 35 8 30 9 25 10 20 Is the relationship a function that ism increasing or decreasing? Is the relationship a function that is

    asked by Steve
  7. Algebra 1

    The ordered pairs(1,4), (2,16), (3,64), (4,256),(5,1024) represent a function. What is a rule that represents,this function? My answer is y=x to the 4th power

    asked by Steve
  8. Chemistry

    Identify the Bronsted-Lowry acid in the following reaction. H2O (l) + HCO31- (aq) → H3O+ (aq) + CO32- (aq)

    asked by KK
  9. physics

    A spring scale is calibrated from zero to 20. N. The calibrations extend over a length of 0.10 m. (a) What is the elastic potential energy of the spring in the scale when a weight of 5.0 N hangs from it? (b) What is the elastic potential energy when the

    asked by johnson
  10. Language Arts

    Which persuasive technique is used in the following sentence from the selection? So if you have any sense at all, avoid Storm Fever. A. Appeal to authority B. Appeal to reason C. Repition D. Rhetorical question Is the answer B?

    asked by Callie
  11. Language Arts

    Which of the following sentences about the selection uses the past perfect tense? A. I have planned to see the movie tomorrow B. I still plan on going to see the movie tomorrow C. I had planned to see the movie tomorrow, until I read the review D. I still

    asked by Callie
  12. Algebra 1

    use the vertical line test to determine if the relation(-6,-2), (-2,6),(0,3),(3,5) is a function

    asked by Steve
  13. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie
  14. language Arts

    Which persuasive technique is used in the following phrase from the selection? The movie was advertised as "full of adventure." It isn't. A. appeal to emotion B. appeal to reason C. repetition D. rhetorical questions Is it D?

    asked by hope
  15. Language Arts

    Suppose this selection is an excerpt from a biography. Which of the following changes would make it fiction rather than nonfiction? A. Transforming it into a first-person account by Louise B. Transforming it into a dialogue between Louise and a snake C.

    asked by Callie
  16. sci

    melissa burned her hand on the stove. why did putting her hand in a bowl of cold water make the burn less severe a. cold transferred to her hand from the water by convection. b. cold transferred to her hand from the water by conduction.

    asked by somebody help i am new
  17. Science

    ~~~~~~~~~~~~~~~~~~~~~~~~~Choices *Extra Words In The Word Box (Will Be Leftovers)* -Landfills -Limiting Factor -Non~point Source -Habitat Destruction -Stop -Migration -Biodiversity -Carbon Dioxide -Reverse -Carrying Capacity -Commensalism -Selective

    asked by Abby
  18. calculus

    I needed help with these FRQ in my APCalc course. Any help or walkthrough would be extremely helpful - thanks in advance. Let f be the function given by f(x)=3ln((x^2)+2)-2x with the domain [-2,4]. (a) Find the coordinate of each relative maximum point and

    asked by emily
  19. physics

    Water flowing through a 1.9-cm-diameter pipe can fill a 500L bathtub in 5.1min. What is the speed of the water in the pipe?

    asked by anad
  20. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie
  21. Chemistry 2

    In a particular redox reaction, MnO2 is oxidized to MnO4– and Ag is reduced to Ag. Complete and balance the equation for this reaction in acidic solution. Phases are optional.

    asked by jjhjhhjhk
  22. Physics

    The wheels, axle, and handles of a wheelbarrow weigh W = 65 N. The load chamber and its contents weigh WL = 538 N. The drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a

    asked by Jenna
  23. Chemistry

    The color of light emitted by a hot solid object depends on?

    asked by anna
  24. History Help?

    What role did Stephen Austin play in the settlement of Texas by American colonists? He defeated Santa Anna's army, making it safe for colonists in the region. He convinced American colonists in Texas to declare their independence from Mexico. He received a

    asked by William
  25. Chem 130

    Carbon monoxide burns in oxygen to form carbon dioxide. what volume of oxygen at 25 degrees Celsius and 760. mmHg is required to react with 15.0 L of carbon monoxide which id at STP?

    asked by michelle
  26. science

    A jellyfish can propel itself with jets of water pushed out of its bell, a flexible structure on top of its body. The elastic bell and the water it contains function as a mass-spring system, greatly increasing efficiency. Normally, the jellyfish emits one

    asked by Anonymous
  27. Language Arts

    Which verb mood is used in the following sentense from the selection? If you have any sense at all , avoid Storm Fever. A. Indicative B. Subjunctive C. Conditional D. Imperative Is the answer A?

    asked by Callie
  28. physics

    a net force of 100 newton's is applied to a wagon for 5 seconds. this causes the wagon to undergo a change in momentum of

    asked by john
  29. History

    Which was expected of women in the early nineteenth century? (Points : 2) working to own property obeying their husbands teaching their daughters reading and math helping their husbands make economically sound decisions Is it b?

    asked by Janet
  30. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

    asked by Callie
  31. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

    asked by Callie
  32. Math

    A box contains 4 red penciks and 6 black pencils what fraction of the pencils are red

    asked by Trinity
  33. aliteration

    Which line from the poem includes an example of alliteration? "I tell him that my Diary is boring as a textbook." "That’s one fact that stays under lock and combination." "...where I’m the leading lady whom the characters adore." "It’s amazing, how

    asked by 2phoneeeeee
  34. language Arts

    Which phrase best describes the meaning of distinguish as it is used in the selection? A. to whish for B. to tell apart C. to feel important D. to give accolades Is the answer b?

    asked by Callie
  35. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

    asked by Callie
  36. chemistry

    In the following reaction, how many grams of lead(II) nitrate Pb(NO3)2 will produce 425 grams of sodium nitrate (NaNO3)? Pb(NO3)2(aq) + 2 NaBr(aq) PbBr2(s) + 2 NaNO3(aq) The molar mass of Pb(NO3)2 is 331.21 grams and that of NaNO3 is 85 grams.

    asked by na
  37. Newtons Law of Cooling

    A salad with a temperature of 43F is taken from the refrigerator and placed on the table in a room that is 68F. After 12 min the temperature of the salad is 55F. What will the temperature of the salad be after 20 min.

    asked by gail
  38. Math

    Samantha wants to buy 6 roses 4 carnations and 8 tulips she estimates that she will spend about 14 dollars on these flowers do you agree math chapter 5

    asked by Alyssa
  39. chemistry

    The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 10.2 mol of oxygen? Answer in units of mol

    asked by DEANA
  40. sci

    a radiator is attached to a wall on one side of a room. which is mostlikely way its heat will warm the air on the other side of the room? a. by conduction b. by convection c. the warm air will sink and condense d. the warm air will rise and condense

    asked by somebody help i am new
  41. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

    asked by Callie
  42. Science

    Suppose that you heated a sample of a hydrated ionic compound in a test tube. What might you expect to see inside the test tube, near the top of the test tube? Explain please i really am stumped on this question...

    asked by katie
  43. famu

    Construct a 99% confidence interval for the population mean, ì. Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of 22.4 years with a standard deviation of 3.8 years. Round to the nearest tenth.

    asked by Anonymous
  44. Probability and Linear Math

    SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to $500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the

    asked by Missy
  45. Language Arts

    When Louis Meyer was five years old, her mother took her to a science museum. That day, young Louis encountered her first snakes, and she's be fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her slinky

    asked by Callie
  46. Chemistry

    A 100.0 mL sample of a 0.200 molar aqueous solution of K2CrO4 was added to 100.0 mL of a 0.100 molar aqueous solution of BaCl2. The mixture was stirred and the precipitate was collected, dried carefully, and weighed. How many grams of precipitate should be

    asked by Danielle
  47. Language Arts

    When Louis Meyer was five years old, her mother took her to a science museum. That day, young Louis encountered her first snakes, and she's be fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her slinky

    asked by Callie
  48. Language Arts

    There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

    asked by Callie
  49. Physics

    An object is placed in front of a converging lens in such a position that the lens (f = 13.2 cm) produces a real image located 23.5 cm from the lens. Then, with the object remaining in place, the lens is replaced with another converging lens (f = 18.8 cm).

    asked by Elle
  50. language arts

    Which verb mood is used in the following sentence from the selection? So if you have any sense at all, avoid Storm Fever. (storm fever is a movie) A. indicative B. subjunctive C. conditional D. imperative is it c?

    asked by hope
  51. Language Arts

    Which verb mood is used in the following sentence from the selection? If you have any sense at all, avoid Storm Fever. A. Indicative B. Sunjunctive C. Conditional D. Imperative Is the answer B?

    asked by Callie
  52. chemistry

    Although no currently known elements contain electron in g orbitals in the ground state, it is possible that these elements will be found or that electrons in excited states or known elements could be in g orbitals. For g orbitals, the value of

    asked by Sarah
  53. Janine

    You order fifteen burritos to go from a Mexican restaurant, eight with hot peppers and seven without. However, the restaurant forgot to label them. If you pick five burritos at random, find the probability of the given event. (Round your answer to three

    asked by Janine
  54. English (Reunion by John Cheever)

    What is the significance of the title? Although the the story depicts Charlie's reunion with his father the word reunion id used without a definite or an indefinite article. Why?

    asked by Aly
  55. language Arts

    Which of the following sentences uses perfect these? A. Storm Fever is playing at several different movie theaters? B Storm fever will have stopped playing by next month C Storm Fever has been playing locally for three months D Storm Fever is probably

    asked by hope
  56. physics

    a net force of 200 newton's is applied to a wagon for 3 seconds. this causes the wagon to undergo a change in momentum of

    asked by john
  57. math

    A company will need $65,000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 5% annual intrest compound quarterly. Find the amount that should be invested to total $65,000 in 6 years. the company

    asked by Shelly
  58. Language Arts

    The suffix-ee comes from French and refers to someone who receives an action or has been put in a position. Using this information, what can you conclude is the meaning of the italicized word in the following sentence? This year's HONOREE of the writing

    asked by Callie
  59. language arts

    Which verb mood is used in the following sentence from the selection? So if you have any sense at all, avoid Storm Fever. (storm fever is a movie) Is it subjunctive or conditional? Mrs. sue said it's subjunctive and "writing teacher" said it's conditional.

    asked by hope
  60. algebra

    ``If 18g of a radioactive substance are present initially and 5 yr later only 9 g remain, how much of the substance will be present after 11yr ? after 11yr there will be ___g of a radioactive substance. round the final answer to the nearest thousandth as

    asked by Ernie
  61. math

    Janet bought 1/2 cake. She ate 1/4 of the cake she bought. Then she cut the remainder into 2 equal pieces. What fraction of a whole cake was each piece?

    asked by Nicole
  62. Chemistry

    Consider the following equation: 4B(s) + 3O2 (g) → 2B2O3 (s) ΔH = - 2509.1 kJ How much heat (in kJ) is transferred when 989 mg of B2O3 (s) is formed?

    asked by Sarah
  63. Chemistry

    HW Help!!!! An object at 4500 K emits the blackbody spectrum shown here. This object emits the most light in the __?__ part of the visible spectrum.

    asked by anna
  64. Trig

    A jet is 115 mi east and 88.3 i north of Niagara Falls. What is its displacement from Niagara Falls?

    asked by Erica
  65. sci

    which of the following is a example of heat transfer by radiation? a. wind currents b. a pot of water boiling on the stove c. a bare foot on a hotsidewalk d. a microwave oven heating food

    asked by somebody help i am new
  66. Calculus...help

    The projected public spending by the British government for the years 2010-2011 (t = 0) through 2014-2015 (t = 4) is 692 billion pounds/year. The projected public revenue for the same period is f(t) = 292.6t + 134.4 / t + 6.9 + 500 billion pounds (0 ge t

    asked by sarah
  67. algebra

    Find the doubling time of an investment earning 7% interest if interest is compounded continuously is ____years. Round to the nearest tenth of a year.

    asked by Ernie
  68. Math

    A cube has a surface area of 6534 square feet. What is its volume?

    asked by Anonymous
  69. math

    the gauss's approach to find the following 1+2+3+4+... 99 1+3+5+7+...101

    asked by WINSTON
  70. Physics

    A rectangular trough, 2.0 m long, 0.50 m wide, and 0.50 m deep, is completely full of water. One end of the trough has a small drain plug right at the bottom edge. When you pull the plug, at what speed does water emerge from the hole? (in m/s) Hint: V =

    asked by Anna
  71. physics

    a 2.0-kg ball has a momentum of 25 kg*m/s. what is the ball's speed?

    asked by john
  72. physics

    a 50 gram object is accelerating at a rate of 5 m/s2. calculate the force needed to produce this acceleration

    asked by candace
  73. Chemistry

    The homework question is : Calculate the Delta H for the following reaction: C6H6 + O2 -> C + H2O(l) State whether the reaction is exothermic or endothermic. I'm not sure where to go with this but so far I balanced out the formula to this C6H6 + (3/2)O2 ->

    asked by Alexa
  74. English Landguage

    Debate writing on the topic boys should not help in the kichen. Speark against the motion.

    asked by ADAMS DOMINIC
  75. Honors Pre- AlgebraMath

    Winona needs to average 5.8 points from 14 judges to win the competition. The mean scores from 13 judges were 5.9. What is the lowest score she can get from the fourteenth judge and still win?

    asked by Math is Hard
  76. art

    what did the artist most likely do to create this piece of art? A. had no prior knowledge of perspective B. investigated the scenery before painting it C. chose the colors that were pleasing rather than accurate D. omitted the use of proportion to keep

    asked by annette
  77. Physics

    The windpipe of a whooping crane is about 1.27 m long. Assuming that the pipe is closed at one end, what is the fundamental frequency of this pipe? Answer in Hz and use 340 m/s for the speed of sound.

    asked by Andy
  78. algebra

    The perimeter of a triangle is 57in. The longest side is 13in. longer than the medium side, and the medium side is 7 in. more than the shortest side. find the length of each side of the triangle. The length of the longest side is ___in, the length of the

    asked by Ernie
  79. Algebra

    The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the

    asked by Kimberly
  80. english

    Question- Their size might surprise you. Is surprise a intransitive or transitive verb?

    asked by bubbles
  81. proportion word problems

    darrell drove 187 miles in 3 hours. What was darrell's average rate of speed in miles per hour

    asked by nichelle
  82. chemistry

    Determine the percent by mass of water in your sample of hydrated copper (II) sulfate - CuSO4. xH2O My work I got 10% is this correct?

    asked by Kiki
  83. Science IPS

    A mass of 10 g of sodium nitrate is dissolved in 10cm3 of water at 80 degrees (c). As the solution is cooled, at what temperature will a precipitate first appear?

    asked by Kailey
  84. MATH

    a crew consists of 1 apprentice, 1 journeyman and 1 master carpenter. The crew receives a check for $5950 for a job. A journeyman makes 300% of what a apprentice makes, and a master makes 150% of what journeyman makes how much do each person on the crew

    asked by WINSTON
  85. math

    The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know its perimeter to work out how much fencing will be needed?

    asked by Hannah
  86. Physics

    A jet transport has a weight of 2.03 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel, and the plane's center of gravity is 12.1 m behind the front wheel. Determine the normal force exerted by the ground on (a)

    asked by Jenna
  87. corrections

    The 1910 case of weems v. United states was unique in what respect? a. it was the first time the Supreme court invalidated an excessive penalty. b. it was the only time the supreme court held that no penalty is excessive if evenly applied. c. it was the

    asked by Amy
  88. pretty algebra

    A commuter train pulling 8 cars had room for another 84 passengers. Halfway...

    asked by Anonymous
  89. chemistry

    How many milliliters of an aqueous solution of 0.165 M aluminum chloride is needed to obtain 13.2 grams of the salt?

    asked by lanorris
  90. physics

    At t = 0 a block with mass M = 5 kg moves with a velocity v = 2 m/s at position xo = -.33 m from the equilibrium position of the spring. The block is attached to a massless spring of spring constant k = 61.2 N/m and slides on a frictionless surface. At

    asked by stewart
  91. Math help

    How many squares in this figure? (1 point) 4.) 15 5** 20 10** Crystal wants to put a fence around her vegetable garden.Her garden is 5 ft wide and 4 ft long.She plans to put a post at each corner and at every foot.How many fence posts will Crystal need? (1

    asked by Vicky
  92. Chemistry

    I'm not sure how to set this question up... A solution containing 0.015M Sr^2+ and Ba^2+ ions is treated with Na2SO4 and a percipitate containing one metal sulfate forms. Assition of the sulfate ion continues until the more soluble sulfate salt just begins

    asked by nns40760
  93. physics

    You test a moon buggy on earth. When the buggy hits a bump, it oscillates up and down on its springs with a period of 4 seconds. Will the period be the same when buggy is used on the moon?

    asked by Chris
  94. MATH

    Mimo wishes to leave a waitress a tip. Mimo has five coins in his pocket, a penny, a nickel, a dime, a quarter, and a half-dollar. If he uses exactly three coins for the tip, how many different tips are possible? A. 15 B. 5 C. 20 D. 10 Crystal wants to put

    asked by Vicky
  95. physics

    A rock is thrown downward into a well that is 8.58 m deep. If the splash is heard 1.08 seconds later, what was the initial speed of the rock?

    asked by Anonymous
  96. English Essay Advice

    My college professor is a highly difficult grader and will always find a way to take her students' papers apart. Therefore, any advice regarding the following essay topic would be appreciated: How has YouTube altered our definition of creativity? (We are

    asked by Karlen
  97. Science

    Both a father and mother have dimples. Their son has dimples, but their daughter does not. Which genes, DD, Dd, or dd, does each family member have? Father and Mother= DD Son= Dd Daughter=dd

    asked by Hayden
  98. MATH

    Spencer wants to plant strawberries for his garden. To do this, he has to increase the garden and the fence around it. Spencer decides one side can be twice as big and the other side four times as big. One side measures 7feet long and the other side is 5

    asked by KAYLA
  99. Maths

    The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?

    asked by Andre
  100. Physics

    A hollow sphere has a mass of 15 kg, an inner radius of 12 cm and an outer radius of 18 cm. What is the rotational inertia (moment of inertia) of the sphere about an axis passing through its center?

    asked by Mike
  101. AP Calc

    The US Post Office has a limit on the size of packages it will accept for mailing. The length plus the girth must be 84 inches or less. Find the dimensions of the rectangular package with a square end, which will maximize the volume of the package.

    asked by Alan
  102. CHEMISTRY

    The [OH1-] with a pH of 5 is

    asked by lll
  103. early childhhod

    what assists in both bone and blood formation by aiding in the absorption of both calcium and iron?

    asked by denise
  104. english

    The stems measure a foot in diameter. Is measure a transitive verb? I can not get this and I can not fail this class

    asked by bubbles
  105. Physics

    An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 65 cm. (a) How far from

    asked by Elle
  106. Please help Damon

    need help on a lab here are the results Mass of empty beaker and glass rod(62.62) Mass of beaker, glass rod, hydrated copper sulfate(66.02) Mass of beaker, glass rod and anhydrous copper sulfate(65.04) Mass of hydrated copper sulfate(3.4) Mass of anhydrous

    asked by Katherine
  107. Math

    Trey can drive his car 130 miles on 4 gallons of gas. At this rate how far can Trey drive on 6 gallons of gas?

    asked by Amy
  108. Algebra 1

    Write an equation that relates the number of parallelograms in the figure (n), to the perimeter of the figure (P). /_/ /_/_/ /_/_/_/ The top and bottom = 5 each and the sides = 4 each in each figure.

    asked by Steve
  109. Chemistry

    What is molarity of an HCl sloution if 45.0mL of 0.250 mol/L KOH are needed to neutalize 12.3mL of HCl?

    asked by Kathy
  110. chemistry

    What mass of solute is present in each aqueous solution? 40 mL of 6.0 mol/L, H2SO4, solution Soo I did: C=n/V 40 mL= 0.04 L C= 6.0 mol/L/0.04 L = 150 mol/L MH2SO4= 2.02 g/mol + 32.07 g/mol + 64 g/mol= 98.09 g/mol mass H2SO4= 150 mol x (98.09g/1 mol) =

    asked by julie
  111. Math

    A document that is 30in x 40 in is redrawn 1 1/2 scale and redrawn again at a 1/2 scale. What are the final dimensions? On this i have no clue what to do.

    asked by Emily
  112. Chemistry

    CuSO4.xH2O Determine the percent by mass of water in your sample of hydrated copper (II) sulfate. Show your calculations clearly. My work. i got 10% is that correct

    asked by Rose
  113. PLEASE HELP CHEMISTRY

    CuSO4.xH2O Determine the percent by mass of water in your sample of hydrated copper (II) sulfate. Show your calculations clearly. My work. i got 10% is that correct

    asked by Anonymous
  114. Calculus

    consider the function f(x) = (x if xor equal to 1 Evaluate the definite integral: int_{-2}^{3} f(x)\,dx =

    asked by Amber
  115. physics

    The capacitance of a capacitor with a dielectric of air is 1200 pF. When a dielectric is inserted between the plates, the capacitance increases to 0.006 ìF. What is the value of e. ans= 1200/0.006=

    asked by Eren
  116. Chemistry

    i need help on a lab here are the results Mass of empty beaker and glass rod(62.62) Mass of beaker, glass rod, hydrated copper sulfate(66.02) Mass of beaker, glass rod and anhydrous copper sulfate(65.04) Mass of hydrated copper sulfate(3.4) Mass of

    asked by MINNIE
  117. POL201

    A federal system differs from a unitary system in that: A) power is concentrated in one central government. B) sub-governments delegate power to the central authority . C) power is distributed between the central government and other governmental units. D)

    asked by Danelle
  118. AP Biology

    The respiration of plants is a biochemical reaction and should have a rate determined by the Arrhenius equation, k = Ae-EA/RT. Here, k is the rate, A is a constant, EA is the activation energy for the reaction, R is the gas constant, and T is the

    asked by Anonymous
  119. Pleaaaaaase help with differential graph question

    Suppose further that the population’s rate of change is governed by the differential equation dP/dt = f(P) where f (P) is the function graphed. For which values of the population P does the population increase? (b) For which values of the population P

    asked by Dana
  120. Math

    A giant paper football field is made for the floor of the gym. The length of the gym is 90ft. Using this same scale, what is the width of the paper football field? I am completely confused on this problem. Please help me.

    asked by Reece
  121. chemistry

    A solution with a pH of 7 has a [OH1-] of

    asked by HAY
  122. AP Chemistry

    For the reaction ?CH4+ ?O2 ==> ?CO2+ ?H2O, what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 3.67 g of CH4 (16.0425 g/mol) and 4.23 g of O2 (31.9988 g/mol)? Answer in units of g I know that you have to balance the equation, so

    asked by Savanna
  123. Trig

    a ships navigator determines that the ship is moving through the water at 17.5mi/h with a heading of 26.3 degrees north of east but the ship is actually moving at 19.3 mi/h in a direction of 33.7 degrees north of east. What is the velocity of the current?

    asked by Erica
  124. Algebra 1

    What is the graph of the function rule? y=I5xI -2

    asked by Steve
  125. math

    Q. As a project,the fifth grade students at Scott Elementary School collected newspapers to recycle. During the first week,they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of newspaper

    asked by Destinee
  126. chemical equations

    I need help figuring out how to write these chemical reactions into chemical equations Copper(II)oxide + hydrochloric acid -> copper(II)chloride + water CuO2+ HCl -> CuCl + H2O? Aluminum + copper(II) chloride-> copper + aluminum chloride Al+CuCl -> Cu +

    asked by Anonymous
  127. physics

    You have a pendulum clock which keeps using a bob on a long shaft. The clock is running slow, You can add or subtract mass from the bobs, or move the bob up and down on the shaft? What should you do to correct the time on the clock?

    asked by Chris
  128. physics

    A stretched string fixed at each end has a mass of 21 g and a length of 5.7 m. The tension in the string is 41.1 N. What is the vibration frequency for the third harmonic? Answer in Hz.

    asked by Lauren
  129. micro economic

    a monopoly firm is faced with the following demand functio P=13-0.5Q the marginal cost function is given by 3+4Q and a fixed cost is 4 determine the profit maximization formula

    asked by Nairobi university
  130. Maths

    how many ways can 6 coins be chosen from 20, one rupee coins, 10 fifty paise coins, 7 twenty paise coins?

    asked by Rohan
  131. chem due soon

    The ΔH of the reaction below is -575.13 kJ. Is this reaction spontaneous? 2ZnS + 3O2 + C → 2SO2 + 2Zn + CO2 A. It is not because the ΔH of the reaction is negative. B. It is because the ΔH of the reaction is negative. C. It depends on the temperature

    asked by Daniel
  132. Chemistry

    a gas phase compound has a density of 2.10 g/l at 751 torr and 100 c what is the molecular weight

    asked by Anonymous
  133. General Calculus Question

    On a graph what ways can it not be differentiable? I know at cusps it's not differentiable but are there other instances where it is not differentiable?

    asked by Anonymous
  134. Chemistry

    Calculate the pH of the solution that is prepared by mixing 26.06g of ammonium iodide (MM=144.942) and 5.08g of ammonia (MM=17.034g) in enough 0.066 M HCI to produce 1.00L of solution. Kb(NH3)=1.76x10^-5 I converted 24.06g and 5.08g to moles and i now I

    asked by nns40760
  135. genetics

    A man marries a woman who is heterozygous for a recessive X-linked lethal gene "X" expressed in very early development. If the couple had many normal children, what would be the predicted sex ratio among their children? I'm so confused. If it's a lethal

    asked by hershi
  136. English

    1. Half of the houses in the village were burnt down. 2. Half of the houses in the village burnt down. 3. Half of the houses in the village were burned down. 4. Half of the houses in the village burned down. ------------------ Are they grammatical? Which

    asked by rfvv
  137. Social Studies

    How did the United States attempt to stay out of European conflicts? A. By sending a limited number of troops to France. B. By proclaming neutrality and signing treaties with Britian and Spain. C. By encouraging the Native Americans to get involved

    asked by Callie
  138. government

    What is the tripartite view of political parties? Has this model become outdated? If so, why?

    asked by Reina Bonilla
  139. Math

    A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and

    asked by Anonymous
  140. American History

    1. Reagan embraced the idea that through tax incentives the private sector would shift its resources from tax shelters to productive investment. This theory is referred to as A. supply-and-demand economics. B. neofederalism. C. deficit economics. D.

    asked by Anonymous
  141. chemistry

    write the specific heat water and liquid and gas

    asked by kk
  142. algebra

    Solve for x. (Round your answer to three decimal places.) log7 x = 1/2 x=

    asked by angie
  143. English

    1. If you turn right, you'll find the post office on your right. 2. If you turn right, you'll find the post office which is on your right. -------------------------- Does #1 mean #2? Or does 'on your right' modify the verb 'find'?

    asked by rfvv
  144. physics

    You take a pendulum clock to the moon, Assuming you do not change anything about the clock, will it still keep the right time? why?

    asked by Chris
  145. Math

    A radio cost a company $45 to manufacture. If it sells for $97.65, what is the percent markup based on cost.

    asked by Dena
  146. Policing

    The due process model of criminal justice asserts all of the following except: a. the gov. job is to maximize freedom and opportunities for all citizens which included protecting people from undue gov. influence b. all suspects are innocent until proven

    asked by Amy
  147. Math

    You need 2 cups of orange juice to make 3 quarts of punch. How many cups of orange juice do you need to make 3 gallons of punch?

    asked by Elizabeth
  148. Corrections

    Prisoners who petition that their civil rights have been violated most frequently cite all of the following concerns except a. due process. b. inadequate medical treatment. c. physical security. d. ineffective assistance of counsel. im confused between B

    asked by Amy
  149. MATH

    multiply (-3-m)(3+m)

    asked by kimmy
  150. Math

    If $37,500 is invested at 6.3% for 30 years, find the future value if the interest is compounded annually,semiannually, quarterly, monthly

    asked by Nikki
  151. Essentials of Financial Lit

    I need help with my homework. I saved it to a word document because its wordy. I can email it

    asked by Haiden
  152. Math

    1. A town has a population of 100,000 now and the population is increasing 10% every year. What will be the population in 5 years? 2. How many poles will be in a pile of telephone poles if there are 30 in the bottom layer, 29 in the second, and so on,

    asked by Hershey
  153. math

    The line segment joining ( -3,-4) and (6,11) is to be divided in to three (3) equal parts. Find the coordinates of the point of the part closest to (-3,-4). Please help me..

    asked by chen
  154. Algebra 2

    Solving Quadratic Systems x^2+y^2=20 x^2-6y=28 PLEASE SHOW WORK I'M HAVING TROUBLE SOLVING IT

    asked by Alicia
  155. falaq

    Muslim experts in falaq have produced salat timetables for the convenience of the ummah. a.Naturally they would have certain error margins.If, say for example the error is about 2 minutes. The time for asr is 430 pm. Is it then possible to regard the

    asked by nadira
  156. College Geometry

    A tipi is a portable structure made of poles and covered in hides. Native American tipis varied in size and the number of poles used. A 12-pole tipi framework is shown in the following figure. The framework of a tipi lean toward the west so the apex was

    asked by Rae
  157. physics

    2. You push a 2.0 Kg block against a horizontal spring (the spring constant is k=200 N/m) compressing it by 15 cm. Then you release the block and the spring sends it sliding across a tabletop. The block stops 75 cm from where you released it. (a) Find the

    asked by Anonymous
  158. english

    i have been at this for a while now and i cant get it. People use bamboo in many ways. the verb is use so is use transitive?

    asked by bubbles
  159. Maths

    Let f(x)= x^5-5x+3 1-Find f'(x) and f"(x). 2-Find the intervals on which f(x) is increasing or decreasing. 3-Find the local maximum and minimum of f(x), if any. 4-Find the intervals on which the graph of f(x) is concave up or concave down. 5-Find the

    asked by Haneen
  160. Chemestry

    Calculate the density of an object with a mass of 2.14g and a volume of 11.40mL.

    asked by Ashlee
  161. physics-finding velocity

    A small block of mass .450 kg is sliding down a ramp inclined at an angle of 53 degrees to the horizontal. it starts to slide from a vertical height of .65 meters. Find the Velocity when it slides off the ramp. The way I approached this problem was by sing

    asked by Chris
  162. english

    That time of year thou mayst in me behold When yellow leaves, or none, or few, do hang Upon those boughs which shake against the cold, Bare ruin'd choirs, where late the sweet birds sang. 5In me thou see'st the twilight of such day As after sunset fadeth

    asked by 2phoneeeeee
  163. 6th grade english

    Question- These plants thrive in warm climates. My answer please tell me if i'm right- The verb is thrive- Is thrive a transitive or intransitive verb? I put intransitive, am i right?

    asked by bubbles
  164. ELA

    I don't know what the heck V/CV OR VC/V means. PLEASE HELP ME

    asked by Emily
  165. Chemistry

    Chemistrywhat is the weight of 1 atom of H in gram (at.wt Of h = 1.008) ?

    asked by Sultan
  166. math

    what is the number 8

    asked by Estrella
  167. college algebra

    Find the Inverse (x)=√2x+9

    asked by tracy
  168. Rounding up and down

    1. Lily moves 0.337 tonnes of sand to make a sandpit how much is this to two decimal places? 2. Lily moves 0.5 tonnes of pebbles to decorate the flower bed. If this mass has been to one decimal place, which of these could be the actual mass of pebbles? A

    asked by Manpreet
  169. English

    1. The exam had already started when I entered the classroom. 2. The exam had already begun when I entered the classroom. ---------------- Are both grammatical? Which one is commonly used?

    asked by rfvv
  170. chemistry

    A mixture of 94.6g of O2 and 82.2g of Ne is placed in a 200.0L container at 250K . What is the partial pressure of O2 in atmospheres?

    asked by adrian
  171. Chemistry

    Given the following equation: N2 (g) + 3H2 (g) → 2NH3 (g) ΔH = -92.6 kJ Calculate ΔH (in kJ) for the decomposition of 30.5 g NH3 (g) into N2 (g) and H2 (g)

    asked by Amanda
  172. Physics

    A plastic bag is filled with nitrogen at atmospheric pressure and 22.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC. With the help of this "balloon" we want to lift a 50.0 kg girl off her feet.

    asked by Anonymous
  173. Chemistry

    A student dissolves 22.4 g of sodium phosphate to prepare a 2.98 L solution. Another student then dilutes this solution to 4.90 L. If sodium phosphate completely dissociates, determine the number of mols of each ion in the final solution.

    asked by Alex
  174. English

    1. He has watched the World Cup for 3 hours. 2. He has been watching the World Cup for 3 hours. ---------------------------- Are both grammatical? Which one is commonly used?

    asked by rfvv
  175. chem due soon

    At temperatures above 0°C, what is the sign of the change in free energy for the conversion of liquid water to ice? A. Positive B. Zero C. Negative D. Not known

    asked by Daniel
  176. Physics

    bob drop a rock from a height of 4.5 m. (the acceleration due to gravity is 9.8 m/s^2) 1.at s the initial speed of the rock 2. how long is the rock falling before it hits the ground c. what is the final speed of the rock? [I have trouble with c) My work:

    asked by Ash
  177. math

    a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h? please show steps to answer-I tried but couldn't find the answer :(

    asked by ash
  178. math

    translate and solve please. five times two less than a number equals seventeen. find the number

    asked by rosita
  179. Math

    Set up and solve a system of equations to solve the application. A rectangular area of 525 square feet is enclosed using 100 feet of fence. What are the dimensions?

    asked by Ashleigh
  180. physics

    Melaine, Kristin, and Elizabeth's 0.39kg batman is accelerated across a frictionless fishing line from rest to a speed of 15m/s in 1.5 m. How much power is exerted on "Batman"?

    asked by Sarah
  181. Math

    consider the function f(x) = (x if xor equal to 1 Evaluate the definite integral: int_{-2}^{3} f(x)\,dx =

    asked by Amber
  182. english

    Whenever Richard Cory went down town, We people on the pavement looked at him: He was a gentleman from sole to crown, Clean favored, and imperially slim. And he was always quietly arrayed, 5 And he was always human when he talked; But still he fluttered

    asked by 2phoneeeeee
  183. math

    Estimate then find each product. Simplify 7 4/5×2 1/3 Is the answer 18 1/5

    asked by anoymous
  184. MATH

    multiply 8(m-n+8)

    asked by kimmy
  185. Math

    Round the larger factor to the graetest place. 55*4 round 50 *4 993*6 rounds to 1,000*6 735*3 rounds to 700*3 1,914*3 rounds to 2,000*3 4,722*6 rounds to 5,000 495*3 rounds to 500*3 Please ,, My answers : true or false

    asked by Nn
  186. American National Government

    Despite the greater federal authority in the federal relationship, federalism is still important for all the following reasons except that: A)it provides the best means of developing a vast country because it allows for experimentation. B)it may stimulate

    asked by Robert
  187. POL201

    In Ronald Reagan’s version of new federalism, the goal was to return power back to the states through @The answer can be found in “New Federalism II, 1982-Present.” A) deep cuts in federal spending. B) the Great Swap. C) orders to the states to take

    asked by Danelle
  188. math....

    -p(p-q+8) multiply

    asked by Sharon:)
  189. math

    Estimate. Then find each product. Simplify 6 1/3×1:5/6 Is the answer 11 11/18

    asked by anoymous
  190. math

    how do i convert fractions to decimals and fractions to percents?

    asked by Bobby
  191. English

    Is the following sentence a transitive verb? The strawberries contained vitamin c?

    asked by Shan
  192. calculus

    Let f'(x)=4x^3-12x^2. (a) find three different functions with derivative equal to f'(x). how are the graphs of the three functions related? the only one that i can figure out is: f(x)=x^4+4x^3+y where y can equal any constant. any help on figuring out the

    asked by kailee
  193. Calculus

    Differentiate. e^cos(x^2+1) Is the answer -2xe^cos(x^2+1) sin(x^2+1)?

    asked by Anonymous
  194. Calculus

    Water is being poured into a spherical bowl of radius 4cm at a rate of 2cm3/s. How fast is the water level rising when it is at 2cm?

    asked by Sam
  195. math

    Estimate the product then complete the multiplication 5 4/5× 7/1. Is the answer 203/5

    asked by anoymous
  196. algebra 2

    Solve for x. 250= (13+x)^2

    asked by anonymous
  197. band essay-Ms. Sue

    Who wouldn’t want the chance to go to Puerto Rico? I have been excited for this band trip opportunity since it was introduced last winter. A once in a lifetime opportunity to share my love of music and explore another culture is an eyeopening experience!

    asked by Anonymous
  198. calculus, help!

    Evaluate the definite integral: int_{1}^{e^9} \frac{dx}{x \sqrt{\ln x}} = i gt my answer as 1^(e^9) but it's saying it's wrong

    asked by Amber
  199. CHEMISTRY

    What is the pH of a solution with [H3O+] = 1 x 10-9 M? My answer is pH=9. is that correct

    asked by KKK
  200. Math Proof

    prove f(x)=b^x is continuous on (-infinity,infinity) i.s at all a exist in reals. here assume b does not equal 1, but b>0

    asked by Ashley
  201. maths

    The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know the perimeter to find out how much fencing will be?

    asked by Alisha
  202. english

    People use bamboo in many ways. The verb is use. My answer is intransitive verb. Am i right?

    asked by bubbles
  203. physics

    Elephants communicate via infrasound, at frequencies as low as 11 Hz that can travel up to 9 km. The intensity of these sounds can reach 106 dB, measured a distance of 4 m from the source. a) Determine the intensity level in W/m2 of the infrasound at 4 m

    asked by Haley
  204. Algebra 2

    Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 Please show work I'm having trouble solving it

    asked by Alicia
  205. science

    can we predict when a hurricane will occur? explain. I have tried so man website and still no answer.. please help

    asked by Nicole
  206. Math

    Hannah made 4 cups of pudding. If she served 2/3 cup of pudding to each of her dinner guest, how many guests did she serve?

    asked by Amy
  207. Precalc/Trig

    I have no idea how to solve this one problem: Round to two decimal places. Two observers 25 feet apart, sight to the top of the tree. If the angle of elevation to the top of the tree from the observer closest to the tree is 30 degrees and the angle of

    asked by Heather
  208. Physics

    Two sounds have measured intensities of I1 = 110 W/m2 and I2 = 330.00 W/m2. By how many decibels is the level of sound 1 lower than that of sound 2? Answer in dB.

    asked by Hannah
  209. physics

    An airplane traveling at v = 163 m/s emits a sound of frequency 1730 Hz. At what frequency does a stationary listener hear the sound as the plane approaches? Use 340 m/s for the speed of the sound and answer in Hz.

    asked by May
  210. Math Proof

    Prove f(x)=b^x is continuous on (-infinity,infinity) i.e. a exist in the reals. here assume b does not equal 1, but b>0

    asked by anonymous
  211. biology

    which is true about the inside of a cell? -the inside of an animal cell contains structures that carry out specific jobs for the cell, but no water or molecules dissolved in water -the inside of an animal cell contains water, molecules dissolved in the

    asked by lola
  212. physics

    a force of 20 n acts on a 5 kg block. calculate the acceleration of the object.

    asked by candace
  213. physics

    if a force of 3000 n can move a crate at an acceleration of 10 m/s2, what is the mass of the object

    asked by candace
  214. science

    An electron of mass 9.11 × 10-31 kg and charge 1.6 × 10-19 C passes through a cathode ray tube with a velocity of 3.7 × 107 m/s. It enters a magnetic field of flux density 0.47 mT at a right angle. What is the radius of curvature of the path in the

    asked by Anonymous
  215. chemistry

    Democritus- example and picture is it an atom and a picture of a atoms that she wants?? Did he rely on experimental evidence to justify his ideas? yes he gave an image of an atom that distinguished them from each other by their shape, size, and the

    asked by anonymous
  216. ethics

    Which of the following answers to the meaning of life did Tolstoy hold prior to his change of heart and mind?

    asked by Anonymous
  217. Maths

    The nth term of a series is 2^n-1 +5n. Find the sum of the first n terms. (Hint: This is an expression in terms of n).

    asked by William
  218. Stats

    The produce manager of a grocery store claims granny smith apples weight a mean of four ounces. The sample size is 10 apples (1,6,22,35,39,53,62,64,66,77) the alpha value will be 0.05.

    asked by LaKesha McCloud
  219. physics

    A child on a barber shop spins on a stool. If the child turns counterclockwise through 8.0 radians at a certain time and with an angular velocity of 2.56 rad/s. What is the time interval in minutes when the child turns?

    asked by Ana
  220. Math

    What is the first step in solving the equation? 3/4 divided by 2/3 Is the answer multiply

    asked by Amy
  221. Algebra

    A recipe for a home-made disinfectant calls for adding one-half cup of clorox to one gallon of water. Mrs. Jenkins wants to make this solution in a 32-ounce spray bottle. How many fluid ounces of clorox should be added to 32 fluid ounces of water to have

    asked by Help!!!
  222. Corrections

    The service of day reporting centers typically would not include a. counseling. b. drug testing. c. surveillance. d. residential care. is it D

    asked by Amy
  223. math

    how do I rearrange the equation a=d/t if I want to find d?

    asked by ash
  224. POL 201

    Despite the greater federal authority in the federal relationship, federalism is still important for all the following reasons except that: A)it provides the best means of developing a vast country because it allows for experimentation. B)it may stimulate

    asked by Robert
  225. Algebra

    Find the real zeros of f. (Enter your answers as a comma-separated list.) f(x) = −x2 + 7x + 8x X =_____ Find the x-intercepts of the graph of f. (x, y) =_______(smaller x-value) (x, y) =_______(larger x-value)

    asked by Patty
  226. english

    The night has a thousand eyes, And the day but one; Yet the light of the bright world dies With the dying sun. The mind has a thousand eyes, 5 And the heart but one: Yet the light of a whole life dies When love is done. The Rhyme Scheme of the first 4

    asked by 2phoneeeeee
  227. mathematics

    In an ap d sum of d 1st ten terms is 50 nd d fifth term is 3times the 2nd term.find the first nd d sum of d 1st 20 terms

    asked by brown
  228. Chemistry

    A student places 0.025 moles of solid sulfur and 0.100 moles of nitrogen monoxide gas in a closed 1.00L container and 0°c for several days. Calculate the number of molecules of NO in the 1.00L container after equilibrium is reached, given the following

    asked by nns40760
  229. Chemistry

    what is the molar concentration of h2so4 solution is 2.0ml of which is completely neutralized by 45.0ml of 0.115 mol/L NaOH solution?

    asked by Kathy
  230. Algebra 2

    Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 I'm having trouble solving this problem.

    asked by Michelle
  231. Physics- formula help

    How do you calculate air resistance on an object if you have how much the object weighs and the acceleration?

    asked by Mimi
  232. math

    Find the Inverse: f(x)=√2x+9

    asked by monique
  233. History Day

    I was wondering if anyone knows what the least commonly done projject for History Day is?

    asked by Anonymous
  234. French

    How do I say I'm in high school in French? Je suis en lycée?

    asked by Anonymous
  235. chemistry

    Version A formular: 3Zn(OH)2 + 2Zn(CO)3(s)----------------------------->5ZnO(s)+2CO2(g) +3H2O(g) 105.4mL of Co2(g) was generated with a pressure of 765.5mm Hg for the gas. The temperature of the apparatus was 25.0C. How much zinc oxide would be left in

    asked by xx
  236. Physics

    Find the capacitance of a parallel plate capacitor if 1400 ìC of charge are deposited on its plates when 20 V are applied across the plates.

    asked by Eren
  237. Chem

    The acidic H is almost always attached to an Oxygen Why is that?

    asked by Joey
  238. sci

    can we predict when a hurricane comes. how

    asked by Anonymous
  239. science

    What is the difference between sexual reproduction and asexual reproduction?

    asked by bubbles
  240. Math

    At the start, a biologist counts, m, microbes in a sample. Every day after that, the number of microbes in the sample is multiplied by N.

    asked by Linda
  241. Social studies

    What was Socrates criticism of democracy?

    asked by Daniela
  242. Physics

    We always hear people say “You should conserve energy! Think of what will happen to the next generation if all our energy resources get depleted!” Is this in contradiction with the Law of Conservation of Energy which states that the total amount of

    asked by Hershey
  243. Math

    What is the rule for this function? input 2 output 5 ,input 4 output 13, Input 6 output 21, Input 8 output 29, Input 10 output 37 Please help now thanks

    asked by Kenny
  244. algebra 2

    x^2-18x-40=0

    asked by anonymous
  245. Math

    Two ships are moving toward a rendezvous point. Ship A is 5km east and 4km north of the point Ship B is 1km west and 2km north pf the point. How many km part are the two ships? Please . I really need your help

    asked by Niall
  246. science

    when do huricanes happen??

    asked by Nicole
  247. Chemistry

    To a mixture of NaCl and Na2CO3 with a mass of 1.300 g was added 55.00 mL of 0.243 M HCl (an excess of HCl). The mixture was warmed to expel all of the CO2 and then the unreacted HCl was titrated with 0.100 M NaOH. The titration required 7.40 mL of the

    asked by Gabe
  248. movie

    Breakfast at Tiffany's. ----------------- This is a movie. By the way, what does Tiffany's"mean? Is it a place, a house, or a city?

    asked by rfvv
  249. Math

    On Monday, thirty percent of the pies sold at the pie store were apple. If 24 apple pies were sold on Monday, how many of the other pies were sold that day? I think I should start with 30/100 and 24/x but I am not sure. =80

    asked by Jeffery
  250. Chemical Engineering

    What are the ways to split a mixture of benzene and methanol into its component using a 2 phase system separation ? Thank you

    asked by Jadoo
  251. Chemistry

    A student weighs out 15g of the hydrated salt KCl (this is KCl and water) and heats it till a constant mass of 12 grams remains. What percent of the salt was water?

    asked by Anonymous
  252. saraswati shishu mandir

    alumino is diagonally related to

    asked by kishan sahu
  253. Genetics

    Why is DNA replication termed semi conservative?

    asked by Tina
  254. Math

    4+8+12+16+............+64=?

    asked by muhit
  255. english

    what are the ideas proposed in “Civil Disobedience.” I need to choose one and make a letter.

    asked by Daniel
  256. chemistry

    What is crystalline pprecipitate? Please.

    asked by maurice
  257. government

    What is the tripartite view of political parties? Has this model become outdated? If so, why? i got the first part the second part id

    asked by Reina Bonilla
  258. Math

    How to check 4=-2(4.5p+25) so the answers both check out and equal each other?

    asked by Anon
  259. science

    Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE?

    asked by Alexander
  260. Policing

    the "blue flu" was an incident where members of a police department: a. called out sick in a form of protest b. were at risk for contracting the flu c. were evaluated for depression and stress d. missed work to attend a police officers funeral im confused

    asked by Amy
  261. Maths

    the number of non negative integral solutions of x + y + z ≤ n

    asked by Rohan
  262. math

    A recipe for a home-made disinfectant calls for adding one-half cup of clorox to one gallon of water. Mrs. Jenkins wants to make this solution in a 32-ounce spray bottle. How many fluid ounces of clorox should be added to 32 fluid ounces of water to have

    asked by Anonymous
  263. Calculus

    Estimate the area under the graph of f(x)= x^2 + 2 x from x=1 to x=5 using 4 approximating rectangles and left endpoints.

    asked by Kate
  264. Algebra

    A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria,

    asked by Patty
  265. algebra

    using long division (x^6 - 4x^5 -7x^3) / (2x^3)

    asked by john
  266. Calculus

    Which of the following functions does not have a derivative of zero? A. y=-1/100 B. y=4(pi)^2-9 C. y=sin^2x+cos^2x D. y=cscxtanxcosx E. All do

    asked by Anonymous
  267. physics

    You create a plot of T2 (in s2) vs mass (in kg) and the linear fit of your graph gives a slope of 0.12735 ± 0.01234. What is the value of the spring constant you took the data with? i am not sure what to do. i know the k=1/slope but im not sure how to

    asked by liz
  268. help

    can we predict when a hurricane will occur

    asked by Anonymous
  269. Math

    Evaluate these problems: 1.) Sin=1/7 Find csc= 2.) tan=2/3 Find cot=

    asked by Steffi
  270. Physiology

    What would be (3) world arguments for birth control and two (2) world arguments against birth control?!

    asked by Jason
  271. english

    Is the word "think" a transitive or intransitive verb?

    asked by bubbles
  272. 6th Grade Math

    Which of the following is equal to 1/6÷1/18? Assume the shapes are rectangular. A) The width of a 1/6 square yard tile border that is 1/18 yard long. B) The width of a 1/18 square-meter flower bed that is 1/6 meter long. C) The area of a planter that is

    asked by Victoria
  273. maths

    easiest method for dividing

    asked by abi
  274. calculus

    When a ball is thrown vertically upward into the air with a velocity of 79 ft/sec its height, y(t), in feet after t seconds is given by y(t) = 79t − 16t 2 . Find the average velocity of the ball over the interval from 3 to 3 + h seconds, h 6=/= 0. 1.

    asked by Morgan