Questions Asked on
April 12, 2017

  1. Social studies

    1. What event would most likely cause an increase in sales A. Decrease in price B. Increase in supply C. Decrease in product quality D. Increase in quality product Answer: A 2. What is stated by the law of supply A. An increase in price will cause a

    asked by HELPPPPP SOCIAL
  2. Algebra

    Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approximately 5.88*10^12 miles. Suppose a star is 3.2*10^12 light-years from Earth. In scientific notation, approximately how many

    asked by Anonymous
  3. physics

    2. What value did you calculate for the index of refraction of the glass block in Part 2? How does your value compare to the accepted value of 1.53? Calculate the percentage error. Different materials have distinct indexes of refraction. Explain how you

    asked by Anonymous
  4. government

    Highlight four limitations on the rights of a citizen

    asked by muhammad
  5. Pre calc

    sin(θ − ϕ); tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root 10/10 ϕ in Quadrant IV I tried this numerous times can somone please help me

    asked by Rachel
  6. Math

    which equation has (2,-1) as a solution? y=2x-1 y=x+3 y=x-3 y=-2x+1

    asked by Iamapple
  7. Science

    Place the following words into the in order gametes, sporophyte, gametophyte, and zygote. Explain how the terms are related.

    asked by Urgent!
  8. U.S History

    5. The purpose of the progressive era was to drive reform in which of the following areas. (1 point) A. Politics and goverment B. Buisness C. Social welfare and labor conditions D. All of the above.

    asked by Youaintwannaknow
  9. social studies

    Which set correctly identifies the features shown on the map 1. A Andes Mountains. B Pamps 2. B Atacama Desert C Pamps 3.A Atacama Desert D Andes Mountains 4. C Andes Mountains D Pamps i think it is 1 im not sure

    asked by josh
  10. Science

    When are tides in the earth's oceans the highest

    asked by Cj
  11. Math

    a model rocket is launched from a roof into a large feild. The path of the rocket can be modeled by the equation y=-0.8x^(2)+12x+25.8 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height in meters of the

    asked by
  12. Math

    Is the sum of two integers always greater than the difference between them? Why or why not? Give examples to support your answer.

    asked by Help I need somebody not just anybody
  13. college chemistry

    The equilibrium constant for the reaction Sr(s) + Mg2+(aq) Sr2+(aq) +Mg(s) is 3.69 x 10^17 at 25 C. Calculate Ecell for a cell made up of Sr/Sr2+ and Mg/Mg2+ half cells.

    asked by danielle
  14. Chemistry

    Use the data in the table to calculate the equilibrium constant for the following reaction. HCOOH(aq)+ OH −(aq) equilibrium reaction arrow HCOO−(aq)+ H2O(l) HCOO is 5.9e-11 (Kb) HCOOH is 1.7e-4 (Ka) Not sure how to find the equilibrium constant given

    asked by Dani
  15. SCIENCE

    A stone thrown from the top of a building is given an initial velocity of 40.0 m/s straight upward. The building is 70.0m high, and the stone just misses the edge of the roof on its way down, determine (A) The time at which the stone reaches its maximum

    asked by BENSON
  16. chemisrty

    Suppose that 0.490 mol of methane, CH4(g), is reacted with 0.640 mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released?

    asked by khari johnson
  17. Physics

    What is the mass of the meterstick shown in the figure (Hint: 25% of the meterstick’s mass is to the left of the fulcrum and 75% is to the right)?

    asked by Rayan
  18. Texas State History

    What is the purpose of the NAFTA treaty?

    asked by Lauren
  19. Social Studies Please help

    Which statement best evaluates the results of Greece's membership in the European Union A. Greece's overall economy has improved because of increased trade. B. Greece's overall economy has improved because the euro is a strong Currency. C. Greece's overall

    asked by Kaitlyn
  20. Math

    Define a variable and write an expression to represent the following phrase: Seven years younger than Lisa.

    asked by Meh
  21. math

    An atom of gold has a mass of 3.25x10^-22.What is the mass of 8000 atoms?Express in scientific notation.

    asked by Nabela
  22. Social studies

    The spread of Christian ideas

    asked by Anonymous
  23. AP physics

    search "ap waves and sound free response questions answers" into google and click on the second one that pops up. answers are on the bottom of the page. question number 23 i don't understand why it is B.

    asked by Anthony
  24. Math

    The 24 students in Mr. Brown's homeroom sold 72 magazines subscriptions. The 28 students in Mrs. Garcia's homeroom SortIt 98 magazine subscriptions. Whose homeroom sold more magazine subscriptions per student? Explain your reasoning.

    asked by Lennox
  25. Math-fractions

    A receipt requires 1/2 cup of flour for every batch of cookies. How many full batches of cookies can be made with 5 1/2 flour?

    asked by kim
  26. Calculus

    1. Can you identify holiday periods or special events that cause the spikes in the data? 2. What holiday results in the maximum sales for this department? 3. a) Generate linear and quadratic models for this data. b) What is the marginal sales for this

    asked by Anonymous
  27. Social studies

    which of the following statements about World War 1 would be most difficult to prove and disprove a. American casualties were more numerous than in any other war. b. it was the first war in which the opposing sides used airplanes c. the U.S government

    asked by anonymous
  28. Literature

    WHAT IS MAMA'S STRATEGY? MAMA: There is someone who wants to marry Trina. JENNY: Who'd want to marry Trina? MAMA: Mr. Thorkelson SIGRID: Peter Thorkelson? Little Peter? (She gestures a midget.) (5)MAMA: So he is hardly bigger than your Arne. Does every

    asked by Me
  29. Emily dickson

    Three fact about her poet "The sky is low,the clouds are mean"

    asked by Dom
  30. government

    Wtat is legitimate government? Outline any four features of legitimacy? What is simple majority sysyem? Outline four demeits of the system

    asked by fatima
  31. PHYSICS

    A stone thrown from the top of a building is given an initial velocity of 40.0 m/s straight upward. The building is 70.0m high, and the stone just misses the edge of the roof on its way down, determine (A) The time at which the stone reaches its maximum

    asked by BENSON
  32. Quantitative Statistic

    The following information is available.   H0 : μ ≥ 220   H1 : μ < 220   A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis

    asked by Janice
  33. chemistry

    How many phases and components are present in a saturated solution of Na2so4 with excess of solid is present at equilibrium with its vapour in a closed vessel

    asked by buhle
  34. English

    1. My hobby is chatting in a chat room. 2. My hobby is chatting in chat rooms. ------------------------------ Which one is the better of the two? Do we have to use a singuglar form or a plural form? 3. My favorite food is noodle. 4. My favorite food is

    asked by rfvv
  35. chemistry

    In the predicted electron configuration of Molybdenum (Mo), how many electrons are in the 4d subshell? 2. How many electrons are in the 4d subshell of the Molybdenum (III) ion?

    asked by please someone help
  36. french 1

    A wide variety of activities are enjoyed by French young people but in their schools, there are generally not programs for competitive sports. True False

    asked by Anna
  37. Physics

    To make ice cubes you fill am ice tray with 150g of water at 20°C. How much energy must be removed from the water to create ice cubes at a final temperature of -10C

    asked by Kevin
  38. English

    This summer, Joel’s plan is to travel. How does the infinitive function in the sentence? A) as an adjective *** B) as a predicate nominative

    asked by M, S, E
  39. chemistry (I have a test tomorrow)

    4 Ag + 2 H2S + O2 = 2 Ag2S + 2 H2O a) What mass if silver sulfide is formed from the reaction of 0.120g of silver? b) What mass of hydrogen sulfide is needed in the same process? So I understand a, and I found the answer to be 0.138g. For b the text book

    asked by Laura
  40. History

    How has the united states used economic pressure to promote the spread of democracy

    asked by Chris
  41. Math; Statistic

    At peak periods, 15% of attempted log-ins to an email service fail. Log-ins attempts are independent and each has the same probability of failing. Ann logs in repeatedly until she succeeds. A. find the probability that Ann needs to log in at least four

    asked by Jerome
  42. math

    Express the radius r of a sphere as a function of the volume V it encloses.

    asked by HELP!!!!!!!!!!!!!!
  43. Trig

    In which quadrant would the image of point (5,-3) fall after a dilation using a factor of -3?

    asked by Sue
  44. Social studies

    Does having an unusual name, such as Chastity, Englebert or Moon unit, have an effect on how a child develops? The results of some previous studies agrees with the commonsense idea that such as name could cause a child to be rejected or ridiculed and thus

    asked by anonymous
  45. Calculus

    If y′= x(1+ y) and y > -1 , then y = The differential equation dy/dx=y/x^2 has a solution given by:

    asked by AP Study Question
  46. World history

    Need help ASAP What was one result of Hitlers invasion of the soviet union. A: Germany gained access to soviet factory's and farms. B: Stalin fled to the soviet union. C: Germany was able to take control of Leningrad. D: Churchill and Stalin became allies

    asked by Anonymous
  47. english

    Which literary movement often rejects order, blurs distinctions between literature types, and uses playfulness in storytelling? Classicism Realism Naturalism Postmodernism

    asked by pablo
  48. french

    It is customary to greet someone on the street with "allô". False True

    asked by Anna
  49. chemistry

    Carbon dioxide gas is predicted to diffuse _______ times faster than sulfur dioxide gas under the same conditions.

    asked by pleaase someone help me
  50. Calculus

    A particle is moving as given by the data below 4sin(t)-3cos(t); s(0)=0

    asked by Bob
  51. Math

    A rectangular family room has 204 square feet of floor space. If its length is 17 feet, how many feet wide is it? A. 18 B. 12 C. 17 D. 187 E. Not enough information is given. Answer: 204/17=12

    asked by Anaymous
  52. science

    A golf ball was hit and projected at an angle of 65° with the horizontal. If the initial velocity of the ball was 60m/s.Calculate the time the golf ball was in the air and the horizontal distance the ball travelled

    asked by jaypoy
  53. Math

    the thirteenth term of an arythmeticprogression is 27. given that the seventh term equals to three times the second term, find: the first term nd the common difference of the progression

    asked by Brian
  54. Math

    Fred and Jane are brother and sister. Fred is 3years older than twice jane's age. The sum of their ages is less than 36. Taking jane's age To be x years form a inequation. What can you say about jane's age.

    asked by Kareen
  55. College Algebra

    A box contains $7.80 in nickels, dimes, and quarters. There are 46 coins in all, and the sum of the numbers of nickels and dimes is 2 less than the number of quarters. How many coins of each kind are there? Here is my work so far: x + y + z = 46 x + y = z

    asked by Gabbi
  56. Math

    6x10^-5x700 divided by 4x10^5x1.5x10^7 simplify using scientific notation/

    asked by Maleka
  57. value

    The sum of a non-negative number & its square is less than 12.What could the number be?

    asked by value
  58. algebra

    I need to write an inequality with the following information;I have a summer business selling book markers. They cost .75 to make and I'm selling them at $4.00 each. Write an inequality with variables showing earnings with the sale price and the number

    asked by anonymous
  59. Chemistry

    If 2.5x10^-3 moles of O2 were produced in the reaction, how many grams of H2O2 had to react?

    asked by Michelle
  60. chemistry

    In the predicted electron configuration of Molybdenum (Mo), how many electrons are in the 4d subshell? 2. How many electrons are in the 4d subshell of the Molybdenum (III) ion?

    asked by John
  61. English

    1. He read the book in 5 days. 2. He read the book after 5 days. 3. He read the book within 5 days. -------------------- In a dictionary, I found that 'in' is used as 'within' in American English. Then it's confusing. Does #1 mean #3 in American English? I

    asked by rfvv
  62. English

    1. I can't do the science project myself. It's too difficult? What does it refer to? #2 or #3? 2. doing the science project myself 3. the science project --------------------------------- 4. I'm going to Tom's house to work on the science project. 5. I'm

    asked by rfvv
  63. physics

    A plane is cruising at 155.00 km/h increases it speed to 285.1 km/h in just 11.5 s as it makes a dive. What was the acceleration of the plane? a = vf - vi / t

    asked by taylor
  64. Math

    A 24-ounce bag of chips cost $2.88. If the unit price stays the same, how much would a 40-ounce bag of chips cost?

    asked by Sheena
  65. algebra

    To completely factor 5c^2-24cd-5d^2, I used the following steps: (5c d)(c 5d) to give terms,ignoring signs,5c^2,cd,25cd,5d^2. +cd-25cd. (5c+d)(c-5d) Please correct,if necessary,and show correct way to show this problem. Thank You.

    asked by Anneliese
  66. Chemistry

    What would be the effect on Ksp if an unsaturated solution of CaSO4 was titrated instead of a saturated solution of CaSO4. would ksp be higher, lower or the same? would ksp be higher due to the more ions available in the solution. so you would have to use

    asked by Sean
  67. Calc

    Suppose that f'(c)=0, f''(c)=0 and f'''(c)>0 . What, if anything, happens to the graph of the function f at x = c? Explain clearly and completely.

    asked by Ashley
  68. English

    What's Karen doing over there. She is supposed to be studying, but it looks like she is playing Andrew's game.

    asked by Anonymous
  69. Physical Science

    An experiment was done. Pulling blocks of mass that were certain amounts of newtons. There were 2 tests done. However, they varied by a couple decimals after the second test. The results from the two tests differ slightly. Which would most likely cause the

    asked by Marcus Peerbocus
  70. stats homework

    to estimate p, the proportion of all newborn babies who are male, the gender of 10,000 newborn babies was noted. if 5106 were male determine a) a 90 percent confidence interval estimate of p b) a 99 percent confidence interval estimate of p?

    asked by john
  71. English

    1. Write down four friends' names in the name column in the table. 2. You can communicate with others in groups with the five questions on the blackboard. 3. What is her mother asking of her? 4. I'd like you to introduce one of your friends in the table to

    asked by rfvv
  72. Maths

    Please solve this trigonometric identity proof problem. I have completed 20; this is the hardest one. Many thanks (sin^3(x)-cos^3(x))/sin(x)-cos(x)=1+sin(x)cos(x)

    asked by Joe
  73. chemistry

    If you titrated 50 mL of HCl and 50 mL H2SO4, each of the same molarity, with NaOH. What is the numerical ratio of the volume of NaOH required for HCl compared to that for H2SO4?

    asked by Amanda
  74. Chemistry

    If 42 mL of Cr2O7-2(aq) solution is titrated to the endpoint with 172 mL of 0.15 M Cl-, what was the concentation of Cr2O7-2 solution? I got the reaction 14 H+(aq) _ Cr2O7-2(aq) + 6 Cl- = 2 Cr+3(aq) + 3 Cl2(g) + 7 H20(l) Now I have drawn a blank. Please

    asked by Adrianna
  75. Math

    An atom of gold has a mass of 3.21x10^-22.What is the mass of 8000 atoms?Express in scientific notation.

    asked by Nabela
  76. History

    Explain the effects of World War II, on both the United States and on Georgia. so far I've got, the economy declined,

    asked by Anonymous
  77. Math

    24. solve the system of equations algerbraically. show all of your steps. (2 points) y=x^(2)+2x y=3x+20 I'm just having trouble understanding. Please help

    asked by
  78. Math

    Which of the following is equivalent (-2)-5 A.-2 + (-5) B.-2 + 5 C.2 + (-5) D.2-(-5)

    asked by Help I need somebody not just anybody
  79. Science. HELP!!

    If you decrease the frequency of a wave, how does the velocity change?

    asked by Josh
  80. chemistry

    If 35 mL of H2SO4 is titrated to the equivalent pint with 45 mL of 0.30M NaOH, what is the molarity of the H2SO4 before and after the reaction?

    asked by Casey
  81. MATH (7th Grade)

    Laura is standing 9ft away from a light pole. her shadow is 6ft long. If Laura is 5ft tall, which is closest to the height of the light pole 14.8???

    asked by marilyn
  82. CHEMISTRY

    What is the root-means square speed of Sulfur Dioxide gas at 345.0K?

    asked by S.O.S
  83. Social Studies

    Please help me find products that changed Europe during the Renaissance along with a slogan, thank you I really need help.

    asked by Dejavu
  84. PHYSICS

    If the absolute pressur at the bottom of a fresh water pond is 2.313time10^5PA.what will be the depth of the pond?

    asked by PHYSICS
  85. chemistry

    How much heat in kJ is required to increase the temperature of an 87.0 g sample of water from 67oC to 136.6oC?

    asked by please help me(I have no idea what to do)
  86. Math

    Simplify the expression 131,000x0.0003 using scientific notation and express the answer in scientific notation.

    asked by Maleka
  87. Math

    A pet shop bought a litter of puppies for $120. All but four of them were sold, a a profit of $5 each, for a total of $120. How many puppies were in the litter.

    asked by john
  88. Math

    Suppose k is a continuous function so that k(-2)=3 and k'(-2)= -4 . a. Use the given information to approximate the value of k(-1.4). b. If k''(x)

    asked by Sarah
  89. Maxima

    Hello, I'm working on a problem involving the equation v=sqrt(6*9.8(sin x-0.2 cos x)) Using maxima I have a graph but since maxima uses radians I decided to put sin and cos values multiplied by pi/180 to get degrees. So I now have a graph which looks

    asked by Peter
  90. Science, Physics

    Assume you are speeding down the freeway at 75 mph. The car weighs 1500 kg and the effective force of the brakes is 14400 N. The car in front of you suddenly slows down, it takes 3 seconds for the car to do so. Your initial velocity was 33.53 and your

    asked by Elizabeth
  91. social studies please help physics

    If the abesolute pressur at the bottom of a fresh water pond is 2.313*10^5 PA,what will be the depth of the pond?

    asked by Anonymous
  92. Physics

    I am not getting the difference between distance and displacement.... without using the words scalar and vector quantity, of course, i know what they mean but still i need help with this... so please help!!!

    asked by Anoushka
  93. maths steve reiny bob reiny!!! Help

    If line 2x+y=-3 and x-2y=1 form the sides of a rectangle whose other sides meet at the point (3, 4), find the equations of the other sides and the area of the rectangle plz help show solution step

    asked by nuru
  94. Science

    Assume you are speeding down the freeway at 75 mph. The car weighs 1500 kg and the effective force of the brakes is 14400 N. The car in front of you suddenly slows down, it takes 3 seconds for the car to do so. Your initial velocity was 33.53 and your

    asked by Athena
  95. science URGENT!!

    what is the relationship does wave height have with frequency? What is the relationship does wave height have with amplitude?

    asked by cody
  96. plz i need steve can u help dr bob222 help as well

    A crystal is grown by evaporating A and 8 type atoms, and then letting them condense to form the crystal. If, because of the forces involved, on A atom is twice as likely to stick to the crystal OS a B atom, what is the probability that the final crysta

    asked by mayerimi
  97. MAth

    Ifa#b=a*b-2*a*b+b*b(-a)*b+b*b then find 4#(-3) *=multiplication

    asked by deepti
  98. Calculus

    Apply the concepts of calculus (limits and derivatives) to describe the graph y = sec(x). Include a quality graph

    asked by Bob
  99. pre-calc

    Find all the real zeros for the equation p(x)=x^3+4x^2+x-6

    asked by Austin
  100. MATH

    The work crew for the talent show at the local high school includes these members: 2 freshmen,4sophomores,8juniors,6 seniors.If the sponsor randomly chooses 1 member of the work crew to announce the act & 1 member to control the lighting, what is the

    asked by marilyn
  101. Maths

    Please help Trigonometric identities proof (cot^2(x)(sec(x)-1))/1+sin(x)=(sec^2(1-sin(x))/1+sec(x) Many Thanks

    asked by Joe
  102. Math

    For what value(s) of b, if any, will the function q(x) = (x^4)/2 +b*x^2 +32x-5 have a derivative of zero AND a point of inflection at the same value of x?

    asked by Lucy
  103. Quantitative Statistic

    The following information is available.   H0 : μ ≥ 220   H1 : μ < 220   A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis

    asked by Janice
  104. Biology

    If gene frequency for PTC nontaster is 0.4, then what will be the number of heterozygotes tasters in a population?

    asked by Pooja
  105. Science

    What is the average speed in average velocity of a tip of minute hand in 1 hour where the length of the minute hand is 10 cm

    asked by Saraswati
  106. Math

    3.3x0.006x10 divided by 12x0.005x200 simplify and express in scientific notation.

    asked by Maleka
  107. physics/chemistry:sir steve drbob222 steve steve

    A crystal is grown by evaporating A and 8 type atoms, and then letting them condense to form the crystal. If, because of the forces involved, on A atom is twice as likely to stick to the crystal OS a B atom, what is the probability that the final crysta

    asked by weyeremi
  108. math

    A pipe is cut into twp pieces. One piece has a length of 33 inches. If the other piece has a lenght of u inches, what was the total lenght of the pipe, in inches, before cut?

    asked by john
  109. math

    The sum of the first 5 terms of a GP is 61. If the 5th term is 81 solve the value of the common ratio.

    asked by john
  110. math

    I need to paint 2 walls of 125 feet long (W)x 8 feet tall (Height). how many gallons of paint do I need to buy to cover all the walls?

    asked by martha
  111. MAth

    In a set of five consecutive positive even integers, the ratio of the greatest integer to least integer is 2 is to 1. If these integers are arranged from lowest to highest, which is the middle integer in the list?

    asked by john
  112. Ethics

    Should people from wealthy countries be allowed to obtain organ transplants from individuals in developing countries? Help?

    asked by Anonymous
  113. physics

    Evaluate the following statement (T/F/N), explain: If you reduce by half the distance between two point charges, you double the magnitude of electrical force that each exerts on the other.

    asked by Josh
  114. Calculus

    If y′= x(1+ y) and y > -1 , then y = The differential equation dy/dx=y/x^2 has a solution given by:

    asked by AP Study Question
  115. math

    Place grouping symbols in this expression so that the value of the expression is 37.Then justify your answer by simplifying the expression. 8×5-6+12÷6

    asked by Shirley
  116. trigonomentry prove

    [sin(b)+sin(2b)]/(1+cosb+sin(2b)=tanb plz i need ur help prove for me show step

    asked by nuru
  117. Physics

    Point A is - 52m and point B is + 32 m. A car travels from point A to B in 1.2s. What is the speed and velocity of the car. If the car stops at B and returns to A what is the distance traveled and the displacement?

    asked by Mileena
  118. Physics

    Why are w=fxd and E =mc2 both energy

    asked by Mileena
  119. math

    Why is -4^2 -16, not 16? To me, -4 * -4 = 16 because a negative times a negative equals a positive. I understand -(4)^2 being negative but not without the parentheses. Thank you.

    asked by Carly
  120. geography

    what are the causes of dumping

    asked by kutlo
  121. Math1

    trinomials 2n^2 + 15n + 7

    asked by Jordan
  122. Math1

    trinomials 7d^2 + 50d + 7

    asked by Jordan
  123. Physics

    A 30km/h (8m/s) gust of wind results in 25 N of force on a kite that pulls a 50kg kiter off her feet and drags her 8m. How much work does the kite do?

    asked by Mileena
  124. Physical Science

    Determine how long it will take given the scenario below (in time and in distance) to react to the car in front of you. Assume that the car in front of you takes 3 seconds to change speeds. Reaction time 1.6 seconds Speed: 75 mph Initial velocity: 33.53

    asked by Liz
  125. Chemistry

    An electron is in the 5f orbital. What are the values or sets of values for… a. The principle quantum number (n)? b. The angular momentum quantum number (l)? c. The magnetic quantum number (ml)?

    asked by Alex
  126. science(computer)

    what line should i adopt after matric if i'm not good at maths???? (pakistan)

    asked by M Kamal
  127. chemistry

    why photosynthesis is considered as endothermic?

    asked by darsini
  128. Precalculus

    f(y)=-1/5y^4 What is the power function and constant of variation?

    asked by Anonymous
  129. math

    Laura is standing 9 ft away from a light pole, Her shadow is 6 ft long. If Laura is 5 ft tall, which is closest to the height of the light pole?

    asked by marilyn
  130. Ring Structures

    Can someone tell me how a Beta 'L' manopyranose structure will look like?

    asked by Anno
  131. Calculus

    Find the anti derivative for 4/(x^2+1)

    asked by Bob
  132. chemistry

    3a.How many electrons are predicted to be in the 4p orbital of a bromine (Br) atom? 5 b.How many of these electrons are predicted to be unpaired? 5

    asked by Im about to lose my mind
  133. chemisrty

    Calculate the density of Argon (Ar) gas at 400.0K and 1.23 atm.

    asked by someone help me please
  134. science

    Frogs hear with their _______ lining of their mouth tongue tympanum nostrils*** I'm not so sure about this question. I went back and looked in my book but i can't find anything, I searched it to and still couldn't find anything. Could someone please help

    asked by swimmerGirl
  135. Calculus

    Consider the function f(x)= x^3+5 sqrt(x) Let F(x) be the antiderrivative of f(x) with F(10=-9

    asked by Bob
  136. Business

    1) Why is it an excellent idea for anyone, to ALWAYS pay their credit card bill off, at the end of each month 2) Describe what kind of interest (simple or compound) should you look for in an investment, state why. 3) Lan-Sun just received a notice

    asked by Sam
  137. Calculus

    consider the function f(x) = 9/x^3 -10/x^7 let F(x) be the antiderivatice of f(x) with F(1)=) then F(x)=

    asked by Bob
  138. S.S.

    How was Hitler killed?

    asked by Tommy
  139. Math

    Draw a circleofradius5cmandalinethroughthecenterofthecricledrawatangenttothecriclemakingaangle30degree

    asked by Draw circleofradius5cmandalinethroughthecentreofth
  140. English

    1. He grew 25 cm last year. 2. He grew by 25 cm last year. (Is 'by' deleted in Sentence 1? What is the meaning of 'by' here?)

    asked by rfvv
  141. MATH

    Simplify the expression 20,000x0.024 using scientific expression.

    asked by Egypt
  142. Math

    how do i find the nomial rate? A=500×(1.01^(4t)) is there a formula to find it? confused

    asked by Kacie
  143. College Algebra

    Solve using substitution.If the system has infinitely many solutions, express your answer in terms of k. If the system is inconsistent, enter INCONSISTENT. Here is my work: y=5x-5 5x-y=5 5x-(5x-5)=5 5x-5x+5=5 5=5 y=5x-5 k=5x-5 5x=k+5 x=1/5k+1 x,y = (k/5+1,

    asked by Gabbi