Questions Asked on
October 20, 2014

  1. math

    a cyclist bikes at a speed of 6 m/s after rolling down a hill in 3 s. Of the cyclist has a constant acceleration of 2 m/s during the descent, what was the velocity of the cyclist at the top of the hill?

    asked by abaza
  2. algebra

    An investor wants to receive $1,000 dollars annually from two investments. He has put $4,500 in money market account 4% annual simple interest. How much should he invest in a stock fund that pays 10% annual simple interest to achieve this goal?

    asked by Jay
  3. French

    La photo, c'est ton truc? Does photo here mean photo in English or photography?

    asked by Anonymous
  4. business

    If you deposit $5000 in a savings account at 5.8% interest per year, how much will you have in 36 years? (Answer to the nearest dollar)

    asked by denise
  5. physics

    An object slides on a level surface in the +x direction. It slows and comes to a stop with a constant acceleration of -2.45 m/s2. What is the coefficient of kinetic friction between the object and the floor? (please include explanation)

    asked by Maria
  6. Physics: mechanics

    A 250g bullet with a speed of 500m/s passes through the center of a 1.5kg square wooden block [ side length 18cm] at rest upon a horizontal frictionless surface. As it exits the block, the bullet has a speed of 150m/s. A) find the initial speed of the

    asked by Michelle
  7. help please

    what Is 10.90871211 round to the nearest hundredth

    asked by StevenB
  8. ENGLISH 10 REGENTS HELP!!!

    three allusions from doctor canterbury tales

    asked by KIM
  9. Chemistry need help please!!!!

    Write the formula of the anion present (i.e. anions are charged; do not write compounds) in these unknowns as indicated by these test results. 1) An unknown solution was treated with ammonium hydroxide and then with barium chloride. A precipitate formed.

    asked by Kristian
  10. statistics

    Workers in several industries were surveyed to determine the proportion of workers who feel their industry is understaffed. In the government sector, 37% of the respondents said they were understaffed, in the health care sector 33% said they were

    asked by tia
  11. Biology

    Yogurt contains fats, cholesterols, carbohydrates(fibre, sugar and starch) and protein. For each of the nutrients that this food contains: Explain how the molecule's structure fits it function?

    asked by Jack
  12. Biology

    For yogurt, draw a representative molecule of amino acids it contains.

    asked by Jack
  13. Biology

    If at noon today someone has 1 E. coli cell, in their gut/large intestine, and E. Coli does binary fission, in unison each thirty minutes, how many will one have in their gut at 11:55 A.M. tomorrow? (five minutes short of a whole day) I'm confused on how

    asked by Victoria
  14. physics

    The mass of the sled and its two riders in Figure 5.5 is 243 kg. Find the magnitude of the centripetal force that acts on the sled during the turn with a radius of (a) 33.0 m and (b) 24.0 m.

    asked by SS
  15. Algebra

    I really need your help in solving this problem. Your time and efforts will be very much appreciated. Here is the question? Graph the solutions of each system: (x

    asked by Jay
  16. Jay

    Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Use the point-slope form to write the given slope and point. Leave the equation in that form: slope 7/8, passes through

    asked by Anonymous
  17. Algebra

    Please help me to solve this problem. Thank you in advance for helping to solve this problem. Have a great day. Here is the question? Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if

    asked by Jay
  18. Chemistry need help

    Write the formula of the anion present (i.e. anions are charged; do not write compounds) in these unknowns as indicated by these test results. 1) An unknown was mixed with ammonium hydroxide and then barium chloride. Nothing happened. A fresh portion was

    asked by Kristian
  19. science

    How to do an outline investigation plan?

    asked by anonymous
  20. physics

    Car A uses tires for which the coefficient of static friction is 0.333 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 13.8 m/s. Car B uses tires for which the coefficient of static friction is 0.843 on the

    asked by S
  21. Math

    How to prove this question with using a LS=RS-style Proof? csc^2(x)cos^2(x) = csc^2(x)-1

    asked by EKA
  22. statistics

    The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is

    asked by stacy
  23. maths

    the first term of arithmetic progression is -8 .and the ratio of the 7th and the 9th term is 5 :8 .find the common difference.

    asked by mafo
  24. Spanish

    How do I say "I used to roller skate, jump rope, and ride my tricycle" in spanish?

    asked by Anonymous
  25. physics

    a point charge q is located btween two earthed intersecting conducting planes that are inclined at 60 degree to each other .determine the number of image charges and their location .

    asked by spl
  26. physics

    how many kcals are required to cool one gallon/liter of water from 32degrees celcius to 7 degrees celcius?

    asked by bilal
  27. For rfvv - English

    Please see our responses here: http://www.jiskha.com/display.cgi?id=1413767376

    asked by Writeacher
  28. Chemistry

    You need to make 500mls of a 7percent bovine serum solution

    asked by Nisha
  29. calculus

    A lamp post 3m high is 6m from a wall. A 2m man tall is walking directly from the post toward at 2.5m/s. How fast is his 1.5 from the wall

    asked by James
  30. Algebra

    The Basketball Birthday Batter Package at a Minor league ballpark costs $192. The Package includes tickets, drinks, and cake for A group of 16 children. Write an equation To find the cost per child. 16c = $192

    asked by Mike
  31. math

    the sides of a quadrilateral are in the ratio 1:3:5:7. if the perimeter of the quadrilateral is 64cm,what is the length of the second longest side/

    asked by eva
  32. physics

    100 kg jeepney is at reast on a bridge 5m from the right end, neglecting the weight of the bridge. find f1 and f2

    asked by awts
  33. CJ

    When an otherwise eligible inmate in good standing is assigned to an employment or treatment program officer than that of his or her choice, it is an example of subsuming the needs of inmate to what

    asked by Rajan
  34. Math

    The Basketball Birthday Batter Package at a Minor league ballpark costs $192. The Package includes tickets, drinks, and cake for A group of 16 children. Write an equation To find the cost per child. 16c = $192

    asked by NEED HELP ASAP
  35. Calculus

    Consider the closed curve in the day plane: 2x^2-2xy+y^3=14 a) show that dy/dx=2y-4x/3y^2-2x (I got this part) b) find equation lines to the curve when y=2 c) if the point (2.5, k) is on the curve, use part b to find the best approximation of the value of

    asked by Marie
  36. int.science

    Express in scientific notation. Make sure your answer has the same number of significant figures as the starting value. (1.8 x 10-2) ÷ (9 x 102) = _____ 2 x 10-5 2.0 x 10-5 0.2 x 10-4

    asked by isaac clarke
  37. Chemistry

    Estimate the amount of 1.0m NaOH in ml required to neutralize 5.0g of KHP

    asked by Jossy
  38. Physics

    A 4.58 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.5 N at an angle theta = 25.5° above the horizontal. The coefficient of kinetic friction between the block and the floor is 0.09. What distance does the block

    asked by Alex
  39. Math

    If the first dice yields an even number, what is the probability that the sum of the two dices will be equal to 12? 1st Die P(even) = 3/6 = 0.50 P(6|even) = 1/3 = 0.333 2nd Die P(6) = 1/6 = .1667 So P(12) = 0.33*0.1667 ?

    asked by Eric
  40. Physics

    A 27.9 kg block (m1) is on a horizontal surface, connected to a 5.3 kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 239.3 N acts on m1 at an angle of 28.9°. The coefficient of kinetic friction between m1 and the

    asked by Sam
  41. science

    1. radioactive decay occurs when atoms A- lose mass B- join with atoms of another element C- break down to form atoms of another element D- are exposed to chemical weathering 2. if you want to consult the geologic time scale for when the first vertebrates

    asked by anonymous
  42. English

    Confused a little is verb correct in following sentence? Not only the newspaper, but also the radio warns of the approaching crisis.

    asked by Karen
  43. Math

    WHat dose factors mean

    asked by Sarah
  44. PLZ HELP.( INT. SCIENCE)

    Express in scientific notation. Make sure your answer has the same number of significant figures as the starting value. 0.01325 = _____ 1.325 x 10-2 1.0 x 10-2 1.3 x 10-2

    asked by isaac clarke
  45. geometry

    B is the midpoint of line AC D is the midpoint of line CE AB is conjecture to DE Prove AE=4AB

    asked by Lay
  46. Science

    The number 7.325 rounded off to three significant figures is 7.32 7.30 7.33

    asked by isaac clarke
  47. Science

    Express in scientific notation. Make sure your answer has the same number of significant figures as the starting value. 61,103 = _____ 6.11 x 104 6.1103 x 104 6 x 104

    asked by Harry Potter
  48. business math

    The sweet candy shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order achieve a 60% markup based on cost?

    asked by david
  49. Math

    16) Consider the function f(x)=2x3−6x2−90x+5 on the interval [−6,7]. Find the average or mean slope of the function on this interval. By the Mean Value Theorem, we know there exists at least one c in the open interval (−6,7) such that f′(c) is

    asked by Hailey
  50. Math

    17) Consider the function f(x)=3x3−3x2+4x+2 Find the average slope of this function on the interval (−3,5). By the Mean Value Theorem, we know there exists a c in the open interval (−3,5) such that f′(c) is equal to this mean slope. Find the two

    asked by Hailey
  51. World History (Ms. Sue)

    Which country do you think had a stronger democracy at the end of the nineteenth century, France or England? Why?

    asked by Victoria
  52. Math

    18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order. f(x)=2x6x+12,[1,4]

    asked by Hailey
  53. Math

    Find cos2A when cosA = -3/5 and π/2

    asked by TeeKay
  54. physical

    A 1.67-kg block (M1) and a 5.07-kg block (M2) are connected by a massless string. Applied forces, F1 = 11.3 N and F2 = 4.85 N, act on the blocks, as shown in the figure. a) What is the acceleration of the blocks?

    asked by duygu
  55. physics

    A shop prepares fresh takeout where 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. The shop sells the dinners at an 80% markup based on cost. They decide to offer a $1-off coupon in a newspaper ad so,

    asked by stacy
  56. Trigonometry

    Find tan2A when tanA = 1/3 and π

    asked by TeeKay
  57. arithmetic

    A set of 7 numbers has a mean of 9. What additional number must be included in this set to create a new set with a mean that is 3 less than the mean of the original set?

    asked by Praveen
  58. English

    Studying verbs and participles. Am I right to say falling is a verb in following sentence? The snow had been falling all night. Trying to learn and think I am pretty sure a verb, LOL!

    asked by Anonymous
  59. chemistry

    MgCO2(s)-> MgO9(s) + CO2(g) A. what is delta H reaction when 3.35 mol of CO2 react with excess MgO? B. What is delta H reaction when 305.5 g of MgCO3 decomposes.

    asked by newsome-
  60. Algebra

    The cost for a student ticket to a basketball game is $1 and a non student ticket is $2. The total sales for the game were $460 with 360 tickets sold, how many student tickets were sold?

    asked by Shelby
  61. chemistry

    one piece of copper metal at 105 C has twice the mass of another copper piece at 45 C. What is the final temperature if these two pieces are placed in a calorimeter. Specific heat of copper is 0.387 J/g.K.

    asked by sonya
  62. algebra

    a candy store sells gummy flies for $5.25 per pound and Dew Drops for $6.50 per pound. If they sell 4 times as many pounds of dew drops as gummy flies and take in $906.25, how many pounds of dew drops did they sell?

    asked by derrick
  63. algebra 2

    Three shrimp boats supply the shrimp wholesalers on Hilton Head with fresh catch. The Annabelle takes 50% of its catch to Hudson's, 20% to Captain J's, and 30% to Mainstreet. The Curly Q takes 40% of its catch to Hudson's, 40% to Captain J's, and 20% to

    asked by ging
  64. Physics

    Two forces 3N and 4N on a body in directions due North and due East respectively.Calculate their equilibrant.

    asked by Ezekiel
  65. Algebra: Answer Check

    1. (4i) + (2 + 8i) = 2 + 12i 2. 6i + 4i = 10i

    asked by Anonymous
  66. Physics

    a boat moves through the water of a river at 5.8m/s relative to the water, regardless the boat's direction. if the current is flowing at 5.04m/s, how long does it take the boat it take the boat to complete a trip consisting of a 443m displacement

    asked by Alex
  67. chemistry

    When 25.0 ml of 0.500M HCI is added to 25.0ml of 0.500M KOH in a coffee cup calorimeter at 23.50C, the temperature rises to 30.17C. Calculate delta H of this reaction ( assume density of solution = 1g/ml)

    asked by newsome
  68. physics

    A long, straight, current-carrying wire runs from north to south. If you know the direction of the current, how can you determine the direction of the magnetic field? a. Grasp the wire in your right hand with the thumb in the direction of the current, the

    asked by melissa
  69. physics

    A 80kg crate Is pushed 35m across the floor with a force of 500n the coefficient of kinetic friction is 0.25 how much for is done on the crate by pushing it"

    asked by dayton
  70. Teacherd aide

    3.   Which of the following techniques to arouse curiosity would work best with junior high students? A. Set up a curiosity corner. B. Use a "feelie" box. C. Use a teaser to introduce the topic. D. Set up a discovery learning center. I believe it is

    asked by Sam
  71. chemistry

    Can someone help me with Chemistry Homework Due Tomorrow, Its about the Electrolysis of Hydrochloric Acid Practical we did and I Have to write a summary and I don't get what we did Y10 GCSE Higher Tier

    asked by Sean
  72. CHM 300

    We did experiment: Spectrophotometry(Determination of iron with 1,10-Phenanthroline) It asks me to find the molar absorptivity of the Fe-phenanthroline complex? How do i find it ? please eplain.

    asked by Malik
  73. Chemistry

    the human body is 60% water by weight, how much water in liters does a 196lb man contain?

    asked by Jackie
  74. Health

    What are eating disorders? A. An illness that causes serious disturbances to a person’s everyday diet B. An illness that leads to binging C. An illness that causes little disturbance to a person’s everyday diet D. An illness that leads to starvation A?

    asked by Night
  75. judicial system

    Explain how a defendant may be processed through The Missouri judicial system. I have searched the internet and I can not information on this.

    asked by Tammy
  76. Health

    Why is having excessive abdominal fat a serious concern? A. Because it places you at a lower risk for developing an enhanced self-image B. Because it places you at a greater risk for developing an enhanced self-image C. Because it places you at a greater

    asked by Night
  77. phi

    “If you are born in the U.S. then you are a U.S. citizen. You were not born in the U.S. so you are not a U.S. citizen.” (Points : 1) Slippery Slope Denying the antecedent Post Hoc False Dichotomy No Fallacy

    asked by jasmine
  78. Easy Chemistry

    Which of the following processes uses a galvanic cell? A. Electroplating silver metal onto a teapot B. Purification of metals such as copper from their metal ores C. Electrolysis of sodium chloride D. Operation of a portable music player

    asked by Morgan
  79. World History (Ms. Sue)

    Which country do you think had a stronger democracy at the end of the nineteenth century, France or England? Why? A: I think England had a stronger democracy at the end of the nineteenth century. By 1870, England, or Great Britain, had long had a working

    asked by Victoria
  80. maths

    a farmer divided his land into two for his sons ram and sham. ram divided it further for two of his sons, hari and gopal. what fraction of the total land do gopal and sham have?

    asked by sidharth
  81. planning & implementing for the environment

    In acquiring equipment for a child care facility, you'll most likely A.have to purchase all of the equipment for your center. B. be able to acquire most of your equipment from free and inexpensive sources. C.purchase 90 percent of your equipment locally.

    asked by Amanda
  82. maths

    a birthday cake was cut into eight pieces. one of the pieces was taken by a pair of twin sisters. what fraction of cake did each sister get?

    asked by sidharth
  83. Easy Chemistry

    What is the oxidation half-reaction for Mg(s) + ZnCl2(aq) MgCl2(aq) + Zn(s)? A. Zn(s) Zn2+ + 2e- B. Zn2+ + 2e- Zn(s) C. Mg(s) Mg2+ + 2e- D. Mg2+ + 2e- Mg(s)

    asked by Morgan
  84. math

    E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular sold for $2.30 a gallon, and premium sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of premium: a. How many gallons of each type of gasoline were sold? Do

    asked by Shaniqua
  85. Algebra

    I need help explaining how to work this problem for my daughter... What is the value of n so that the expression x² + 11x + n is a perfect square trinomial? 11 25 30.25 I know this is the answer but how 36

    asked by Anonymous
  86. Finance

    Condo costs $150,000 buyer gets 15 year mortgage @ 4% . A 15% down payment is required , 1 point is required .

    asked by Kathy
  87. Chem

    1N2(g) reacts with H2(g) to form NH3(g), gaseous ammonia. Show balanced thermochemical equations based on both one mole and two moles of NH3(g). Determine Ho ( for both reactions using Table 6.2 (Hof). Use the summation equations. Show your

    asked by Feather
  88. French

    What are some phrases a teacher can use to introduce himself/herself in French?

    asked by Anonymous
  89. Chemistry

    The following galvanic cell at standard conditions has a potential of 0.03 V: Ag+(aq) + Fe2+(aq) → Fe3+(aq) + Ag(s). What would be the effect of increasing the concentration of Ag+? A. The cell potential will decrease. B. The cell potential will

    asked by Morgan
  90. physics

    Curve A is banked at 11.2 °, and curve B is banked at an angle of 15.2 °. A car can travel around curve A without relying on friction at a speed of 14.5 m/s. At what speed can this car travel around curve B without relying on friction? Do I need to find

    asked by S
  91. math

    As a part of a unit on weather students recorded the outroor temperature at 8:30 AM what was the difference between the weeks highest and lowest morning temperatures

    asked by Kem
  92. physics

    A centrifugal pump pumps 100 lbs/hr of water 100 ft high to the top nozzle of a distillation column. The pump impeller is 3 ft diameter?

    asked by Anonymous
  93. English

    In this sentence People have been telling themselves the story of Snow White for centuries. Is themselves reflexive or intensive. I am thinking intensive because you do not need it for the sentence to make sense?

    asked by kelley
  94. Physics 30

    A 6.8 g bullet travelling at 395m/s goes through a stationary block of wood in 4.3 *10^-4 and emerges at 102 m/s. what average force did the wood exert on the bullet ? how thick is the wood?

    asked by Arif
  95. Physics

    A 70 kg woman pushes on a wall at 35 newtons and recoils. What is the magnitude of the force?

    asked by TB
  96. Calculus

    Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 3 cubic feet per minute. If the pool has radius 6 feet and height 10 feet, what is the rate of change of the height of the water in the pool

    asked by Dan the Man
  97. Calculus

    A potter forms a piece of clay into a right circular cylinder. As she rolls it, the height h of the cylinder increases and the radius r decreases. Assume that no clay is lost in the process. Suppose the height of the cylinder is increasing by 0.4

    asked by Cookie Monster
  98. World History (Ms. Sue)

    What does Pankhurst mean when she says a representative government exists for men in Great Britain, while women live under a despotic government? A: Pankhurst means that men have a representative government because they are represented by the government

    asked by Victoria
  99. math

    Find the critical numbers for f=5+10x-x^{2} in the interval [-3,3].Also find the minimum and maximum.

    asked by Leah
  100. Calculus

    18) Find all numbers c that satisfy the conclusion of the Mean Value Theorem for the following function and interval. Enter the values in increasing order and enter N in any blanks you don't need to use. f(x)=2x/6x+12,[1,4]

    asked by Hailey
  101. Calculus

    f(x)=4x3−18x2−480x−2 is decreasing on what interval? It is increasing on what interval(s) ? The function has a local maximum at ?

    asked by Hailey
  102. Calculus

    7) Consider the function f(x)=x2e4x. For this function there are three important intervals: (−∞,A], [A,B], and [B,∞) where A and B are the critical numbers. Find A and B For each of the following intervals, tell whether f(x) is increasing (type in

    asked by Hailey
  103. MATHS

    6M(2)+31M+33M=0

    asked by JESAM
  104. calculus

    9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3

    asked by Hailey
  105. Calculus

    Consider the function f(x)=ln(x)/x^6. For this function there are two important intervals: (A,B] and [B,∞) where A and B are critical numbers or numbers where the function is undefined. Find A Find B For each of the following intervals, tell whether f(x)

    asked by Hailey
  106. Calculus

    Find the critical numbers of the function f(x)=x^1/6−x^−5/6.

    asked by Hailey
  107. Math

    Mandy got 22 questions correct on her test. Her grade was 80%. How many questions were on the test.

    asked by Marty
  108. Chemistry

    What mass KCl is needed to precipitate AgCl from 15.0 mL of .200 M AgNO3

    asked by Skye
  109. algebra--1 question!??

    2t + 8 'greater than/equal to' -4(t+1) t is 'greater than/equal to' ?_____? i have an idea as to what the answer is but im pretty sure its wrong can someone pls help me? thx

    asked by SkatingDJ
  110. World History (Ms. Sue)

    "Behind the purdah in India, in the harems of Mohammedanism, behind veils and barred doors and closed sedan chairs, there has been rebellion in the hearts of women all down the centuries....We spoke with many women all over the East who had never heard of

    asked by Victoria
  111. Chemistry

    The following galvanic cell at standard conditions has a potential of 0.03 V: Ag+(aq) + Fe2+(aq) → Fe3+(aq) + Ag(s). What would be the effect of increasing the concentration of Ag+? A. The cell potential will decrease. B. The cell potential will

    asked by Morgan
  112. Statistics

    Find the probability of winning the lottery Select the six winning numbers from 1 to 34. (in any order, no repeats) P(winning)= ?

    asked by Macy
  113. Eng

    I'm doing project on What are Media racism on Islam & Muslim? Networks etc.and resources where can I can find it Thank you!

    asked by Jessica
  114. Math

    If z^2 = x^2 + y^2 with z>0, dx/dt=3, and dy/dt=6, find dz/dt when x=4 and y=3. Answer: \displaystyle \frac{dz}{dt} =

    asked by Tim
  115. chemistry

    How many aluminum atoms are in 3.78 g\rm g of aluminum?

    asked by ANTHONY
  116. PS.225 SCIENCE

    NARRATIVE DNA

    asked by KOMOLA
  117. Chemistry

    Po-210 Ia an alpha emitter with a half-life of 138 days. how many grams of Po-210 remain after 552 days if the sample initially contained 5.80g of Po-210?

    asked by Shay
  118. Chem

    Suppose that you start with 1000000 atoms of a particular radioactive isotope. how many half-lives woruld be required to reduce the number of undecayed atoms to fewer than 1000?

    asked by Shay
  119. geometry

    QRST is a trapezoid. If angle S is equal to 23 degrees, what is the measure of angle T

    asked by brittany
  120. Math

    There are 36 members of a sculpture class. 12 of the class members are men. What is the ratio of women to men in the class? Be sure to write your ratio in simplest form.

    asked by Amy
  121. Math

    Javier scored 30 goals in 15 soccer games. Using the unit rate, how many goals will he score in 20 games?

    asked by Amy
  122. planning & implementing for the environment

    Purchasing equipment that has multiple uses can A. be more accessible to the children. B.make less work for staff. C.cut costs and encourage creative play. D.be easier to find. C

    asked by Amanda
  123. Physical Science

    The sand on the beach heats up faster each day than the water does. You know this because when you walk on the beach in the early morning, your feet are cool. By noon, the beach is so hot, you cannot walk on it in bare feet . The ocean, however stays cool.

    asked by Bonni
  124. Physics

    In a constant-pressure calorimeter, 75.0 mL of 0.810 M H2SO4 was added to 75.0 mL of 0.390 M NaOH. The reaction caused the temperature of the solution to rise from 22.68 °C to 25.34 °C. If the solution has the same density and specific heat as water,

    asked by KTM
  125. science

    why is all Florida at risk for damage from hurricane winds?

    asked by Eden S.
  126. Physical Science

    A piece of aluminum, mass 40 kg. C= 0.2 kilocalories/kg.(degrees), change in temperature =20degrees, find Q, in kilocalories.

    asked by Bonni
  127. World History (Ms. Sue)

    What are the changes that resulted from the Second Industrial Revolution?

    asked by Victoria
  128. math

    what is the expanded form for 408,032,009

    asked by aaron
  129. planning & implementing for the environment

    The Environmental Rating Scales developed by the FPG Child Development Institute based at the University of North Carolina should be A. considered when planning an environment for young children. B.adhered to only in an infant setting. C.used to weigh the

    asked by Amanda
  130. statistics

    Potatoes - Samples: Assume the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.0 ounces and a standard deviation of 1.3 ounces. He bags his potatoes in groups of 6. You buy a bag and the total weight is 42 ounces. Here we

    asked by Sara
  131. social studies

    for a valley forge acrostic poem what do i do for L

    asked by Mack Thomps
  132. statistics

    The bass in Clear Lake have weights that are normally distributed with a mean of 1.9 pounds and a standard deviation of 0.8 pounds. (a) If you catch 3 random bass from Clear Lake, find the probability that the mean weight is less than 1.0 pound. Round your

    asked by Sara
  133. Physical Science

    A long distance swimmer, who is very cold, m=100 kg., 1000 kilocalories are supplied to warm them up. The specific heat for a human is 0.83. A) What will be the temperature change? B) If the original temperature is 85 degrees, find the final temperature.

    asked by Bonni
  134. Math

    You have 10 yards of fabric. One pillow case requires 1 1/4 yards of fabric. How many pillow cases can you make?

    asked by Amy
  135. statistics

    Assume heights and weights are normally distributed with the given means and standard deviations from the table below. Strata Mean Standard Deviation Mean Standard Deviation Height Height Weight Weight (inches) (inches) (pounds) (pounds) U.S. Men 69.3 2.8

    asked by Sara
  136. statistics

    Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places. (a) P(z < −1.02) = Incorrect: Your answer is incorrect. (b) P(z ≥ 2.43) = (c) P(−1.80 < z < 1.36) =

    asked by Sara
  137. English

    I hope someone knows how to write a gerrc paragraph.. Anyways I need help for the reference part. Hence the word R, how do i show my point? I can explain the quote but I don't know the point. The general statement is, the author used a variety of humor to

    asked by Sally
  138. Chemistry

    How would the empirical formula of copper (II) sulfate be affected if some of the sample sticks to the stirring rod?

    asked by Ashley
  139. chemistry

    The heat of solution of ammonium nitrate is 26.2 kJ/mol, and a 7.315 g sample of NH4NO3 is added to 40.0 mL of water in a constant pressure calorimeter initially at 25.2°C, what is the final temperature reached by the solution? (The specific heat of water

    asked by gentil
  140. Physics

    The power output of an elevator is 15000 W. How many persons could it carry if it raises passenger to a height of 35 m in 20 s ( each person has an average mass of 60 kg)?

    asked by HiHello
  141. planning & implementing for the environment

    Suppose that, in your opinion, children need a highly structured environment in which the teacher guides the children and free selection of activities is kept to a minimum. Which programphilosophy would you most likely adopt?   A. Montessori B.

    asked by Amanda
  142. science

    what does nuclear energy mean and can you give me a example of what it is?

    asked by layla
  143. Math

    How to figure interst of 2.9 percent for 9 months to end up with 3262.50.

    asked by Marylou
  144. Chemistry

    An aqueous solution of ammonium nitrite decomposes when heated to give off nitrogen gas and water. This reaction can be used to prepare pure nitrogen gas. How many grams of ammonium nitrite must have reacted if 3.75 liters of nitrogen gas was collected

    asked by Sean
  145. Physics

    A crate is pulled by a rope making 30 degrees with the horizontal. If the work done to move it in 15 m is 2000 J, find the tension in the rope.

    asked by HiHello
  146. science-chemistry

    An aqueous solution of ammonium nitrite decomposes when heated to give off nitogen gas and water. This reaction can be used to prepare pure nitrogen gas. How many grams of ammonium nitrite must have reacted if 3.75 liters of nitrogen gas was colleced over

    asked by Sean
  147. Chemistry

    An aqueous solution of ammonium nitrite decomposes when heated to give off nitogen gas and water. This reaction can be used to prepare pure nitrogen gas. How many grams of ammonium nitrite must have reacted if 3.75 liters of nitrogen gas was colleced over

    asked by Anonymous
  148. jh

    why do you help children?

    asked by Anonymous
  149. math

    Bria and her friends are 3/4 of the pizza. Her sister ate 2/3 of what was left. how much did her sister eat?

    asked by Klayton
  150. planning & implementing for the environment

    Which of these factors is most likely to determine the total number of children you can take into your facility? A. Children's needs B.Physical space available C.program philosophy D.staff members skills B.

    asked by Amanda
  151. World History

    Explain three impacts of the Black Death on the population of European and its’ trade routes. I need some info/examples on the "Black Death"

    asked by mstv
  152. planning & implementing for the environment

    Preventive maintenance means A. hiring experienced staff to operate and maintain equipment.B. regularly inspecting and repairing or replacing equipment.C. developing rules to prevent children from damaging equipment.D. purchasing equipment that will

    asked by Amanda
  153. math

    A hotel has rooms numbered 1 to 1000. One thousand visitors enter the hotel. 1. The first visitor switches on the light switches of every room. 2. The second visitor switches off the light switches of every other room, starting with room 2. 3. The third

    asked by al
  154. World History (Ms. Sue)

    Identify changes that resulted from the Second Industrial Revolution, and then briefly summarize them in a chart, list, or paragraph. These aren't all of my changes that I've identified. I just wanted to know whether I'm correct with the changes that I've

    asked by Victoria
  155. algebra 1

    If the graph of a line has a positive slope and a negative y-intercept, what happens to the x-intercept if the slope and y-intercept are doubled? A) The x-intercept becomes 4 times larger B) The x-intercept becomes twice as large C) The x-intercept becomes

    asked by Brainiac
  156. chemistry

    What is the difference between a galvanic cell and an electrolytic cell? A. A galvanic cell converts reduction reactions into an electrolytic cell, and an electrolytic cell converts oxidation reactions into a galvanic cell. B. A galvanic cell converts

    asked by Morgan
  157. Math

    At Bob's binders, a set of 3 notebooks costs $4.20. At Pam's Paper Place a set of 4 notebooks costs $5.20. What is the unit price of the notebooks at each store? Which is the better buy?

    asked by Amy
  158. government

    What is the impeachment power of the House?

    asked by anonymous
  159. physics

    A block of mass m is pushed along a horizontal table by a force f=70 N at an angle 55 degrees with the horizontal. Yhe coefficient of kinetic friction is 0.3 Find the normal force. My work: I know that there is 3 forces present: force of gravity, normal

    asked by Mike
  160. math

    sam makes $400 per week plus $20 commission on each new cell phone plan she sells. Write an equation to determine how many plans she sold to earn $680 last week.

    asked by colin
  161. world history

    How did Europe’s geography/advantages lead to its rise as a global power?

    asked by john
  162. Math

    In a group of 22 boys, 13 play basketball and 15 play football. 3 of the boys play neither. how many play both ?

    asked by Amber
  163. physics

    A small girl of weight 150N is placed on the centre of the plank. She then walks to the right and goes past trestle Q. When the plank is on the point of tipping up, where will the fulcrum be?

    asked by Donte
  164. S.S.

    3. Which of the following was true of the Webster-Ashburton Treaty? A. It established the southern boundary of Alaska. B. It established the northern boundary of California. C. It settled British and American claims to the Oregon Country. D. It established

    asked by Sarah
  165. calculus

    Use the four-step process to find the slope of the tangent line to the graph of the function at the given point and determine an equation of the tangent line.f(x)= x^2 - 5x +2 (1, -2)

    asked by Duane
  166. Math

    Ms. Compra bought 5 markers for $4.75. At this price how much will 4 markers cost? I got .95 each. Is that correct?

    asked by Amy
  167. algebra 1

    If the graph of a line has a positive slope and a negative y-intercept, what happens to the x-intercept if the slope and y-intercept are doubled? A) The x-intercept becomes 4 times larger B) The x-intercept becomes twice as large C) The x-intercept becomes

    asked by Brainiac
  168. government

    How doe Congress protect the rights of authors and inventors?

    asked by anonymous
  169. geometry

    Find the dimensions of a rectangle if the area is 1500 ft to the 2nd power

    asked by Anonymous
  170. World History (Ms. Sue)

    How are a constitutional monarchy and a republic similar? How do they differ? A: A constitutional monarchy and a republic are similar as they have constitutions. However, these two differ because a constitutional monarchy controls head of state, while a

    asked by Victoria
  171. Physics

    A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 110m . At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling?

    asked by Becky
  172. chemistry

    Why are half-reactions used in redox reactions? A. They make it easier to keep track of spectator ions in the reaction. B. They make it easier to see the oxidation and reduction parts of the reaction separately. C. They make it possible to neglect the

    asked by Morgan
  173. World History (Ms. Sue)

    Which earlier civilizations practiced direct democracy? A: The ancient Athens practiced direct democracy.

    asked by Victoria
  174. math

    Heather has $500 in her savings account. She withdraws $20 per week for gas. Write the equation heather can use to find out how many weeks it will take her to have a balance of $220

    asked by Belitt
  175. planning & implementing for the environment

    After establishment of your child care center, equipment and supplies will comprise what percentage of your annual operating budget? A. 0.5 percent to 1.5 percentB. 1.5 percent to 3 percentC. 5.5 percent to 7 percentD. 3 percent to 5.5 percent B

    asked by Amanda
  176. World History (Ms. Sue)

    Explain how the terms "unconscious" and "repression" are used in Freud's theory.

    asked by Victoria
  177. math

    The ratio of students Ms.Finn has to Mr.D is 7:4.Ms.finn has 15 more students than Mr.D.After sending some students to Mr.D,Ms.finn will have 5/6 as many students as Mr.Finn. a)How many students did Ms.Finn have in the beginning? b)How many students did

    asked by Donna Te
  178. math

    Ms.Franco has many pens.1/3 of her pens are blue.1/2 of her pens are black and the rest are all other colors.There were 5 more black pens than blue pens.How many pens were not black or blue?

    asked by Donna Te
  179. la

    At the end of "Raymond's Run," Squeaky has a different attitude about running and about her rival, Gretchen. Describe the actions that demonstrate these changed feelings. What role does conflict play in Squeaky's changed attitude? Use events and details

    asked by jared
  180. Language Arts

    Okay so in English I'm doing "Appositives" I understand the question and I'm just confused a little. Circle the appositives. Then, underline the noun each appositive explains. 1. Sheila, my cousin works in that department store. I circled "Sheila" I

    asked by K
  181. Algebra 2

    Find all real zeros of the function f(x)=x^3-27x

    asked by Kaitlyn
  182. statistics

    The p value is the: a. probability with which a test statistic would occur if the research hypothesis were true. b. probability with which a test statistic would occur if the null hypothesis were true. c. cutoff probability at which a test statistic is

    asked by mark
  183. Math HELP!

    Which two square roots are used to estimate square root 5? A. Square root 1 and square root 2. B. Square root 2 and square root 4. C. Square root 4 and square root 9. D. Square root 9 and square root 16. Is the answer B? Thanks

    asked by Anonymous
  184. S.S.

    8. Under the leadership of Lucretia Mott and Elizabeth Cady Stanton, the high point of the Seneca Falls convention was the drafting of the Declaration of A. Sentiments. B. Women's Rights. C. Opinion. D. Human Rights. A? 9. Under America's second party

    asked by Sarah
  185. math

    find the unit rate 45mi/h=____ft/sec

    asked by minecraft
  186. Art

    What is an artwork source, because I don't know what to put in that field. Is it where I got the my idea from in my drawing, if so would a book where I got my idea be ok? Thank you

    asked by Anonymous
  187. social studies

    In which battle did the Americans win their first victory over the British? A. Lexington B. Boston C. Charleston D. Concord Is the answer D?

    asked by blue
  188. planning & implementing for the environment

    The three major areas of a child care facility are A. storage, service, and activity. B. children's, service, and activity. C. adult, service, and storage. D. adult, children's, and service. D

    asked by Amanda
  189. math

    A MAP HAS A SCALE OF 5 INCHES:11 MILES.IF TWO CITIES ARE 45 INCHES APART ON THE MAP,WHAT IS THE ACTUAL DISTANCE BETWEEN THE CITIES?

    asked by mcihelle ridenour
  190. World History (Ms. Sue)

    What is Freud's theory of the human unconscious? A: According to Freud, behavior and personality is strongly determined by past experiences and mental forces of which people are largely unaware. He argued that when painful or unsettling things happen, they

    asked by Victoria
  191. Physics

    A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

    asked by Sanz
  192. World History (Ms. Sue)

    Explain how the terms "unconscious" and "repression" are used in Freud's theory. I'm still not sure how to explain how these terms are used in Freud's theory.

    asked by Victoria
  193. English

    1. This class is so difficult that I can't follow it. 2. This class is so difficult that I can't understand it. --------------- Does #1 mean #2? Does 'follow' mean 'understand'?

    asked by rfvv
  194. Math

    Eight-ninths of a bunch of marbles remain on a table. The square root of half the total number of marbles have rolled away. Also, the two children who are playing with the marbles each hold one marble. Find the total number of marbles in the bunch.

    asked by Scott
  195. Physics

    A man (mass 120.5 kg) is canoeing with his friend (mass 81.6 kg). He had the only paddle but dropped it in the lake. It has drifted just out of his reach along the long axis of the canoe. His friend suggests that if they trade places he might be able to

    asked by Rick
  196. Chem

    Determine the heat evolved (in kJ and in J) when 10.0 g of NH3(g) are created. Show all units and conversion factors. 10.0 gNH3 (1 mole nh3/17.0 g nh3)(-46.11 kj/1 mol nh3) = 23.11 kj -27.12 kj (1000j/1kj) -27,120 Is this correct?

    asked by Feather
  197. 6TH GRADE

    write three equivalent ratios for the given ratio. 1. 10/12 = 20:24, 30:36, 40:48 2. 14/2 = 28:4, 42:6, 56:8 3. 4/7 = 8:14, 12:21, 14:28 Are these answers correct?

    asked by Stephon
  198. math

    Estimate the value of √45 to the nearest integer. A.-7 B.6 C.-6 D.7 Is the answer D?

    asked by blue
  199. math

    195 divided by 4 estimated

    asked by debra
  200. Algebra

    Help? The school john goes to is selling tickets to the annual dance competition . On the first day of sales the school sold 2 senior citizen tickets and 13 student tickets for a total of $108. The school took in$144 on the second day selling 4 senior

    asked by Teagan
  201. Math HELP!

    An estimate for -square root 66 is (blank) A. -6 B. -7 C. -8 D. -9 Is the answer C? Thank You

    asked by Anonymous
  202. chemistry

    Describe the difference between a prokaryote and a eukaryote. Be specific about the description of each type of cell (i.e. tell which cell type has which characteristics.)

    asked by Sacha
  203. math

    An estimate for √3 is. A.1 B.1.2 C.1.7 D.2 Is the answer C.

    asked by blue
  204. calculus

    find the absolute maximum and minimum of the function y=2cos(t)+sin(2t) on the interval of [0, pi/2] I have taken the derivative but I have no clue how to solve it for 0

    asked by Kenneth
  205. math ratios

    use an example to describe the multiplicative relationship between two equivalent ratios.

    asked by keyloo
  206. please help! physics

    A block of mass m is pushed along a horizontal table by a force F= 70 N at an angle 55 degrees with the horizontal. The coefficient of kinetic friction is 0.3

    asked by Mike
  207. calc

    Use the upper and lower sums to approximate the area of the region using the given number of subintervals (of equal width). (Round your answers to three decimal places.) y = sqrt of (1−x^2)

    asked by harsha
  208. Chemistry

    Match the following units to their correct property: A. Density of Solution B. Heat Capacity C. Molarity D. Specific Heat 1. J/g•oC 2. J/oC 3. g/ml 4. cal/g•oC

    asked by Kales
  209. S.S.

    10. The Liberator was to William Lloyd Garrison as the North Star was to A. the Grimke sisters. B. Frederick Douglass. C. Harriet Tubman. D. Theodore Dwight Weld. C?

    asked by Sarah
  210. Chemistry

    When 2.25 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 11.00oC was obtained for ΔT. 1. Calculate the molarity of the sodium hydroxide solution. 2. Calculate the value (calories) for the heat of solution of 2.25 g of NaOH. 3.

    asked by Kales
  211. World History Answer Check (Ms. Sue)

    Explain how the terms "unconscious" and "repression" are used in Freud's theory. A: The terms " unconscious" and "repression" are used in this theory as it consists of painful or unsettling events being repressed in a person's unconscious state of mind.

    asked by Victoria
  212. math

    An estimate for -√66 is A.-6 B.-7 C.-8 D.-9 Is the answer D?

    asked by blue
  213. Bio- Chemistry

    How can you identify the difference between an plant and animal cell. What structures (you should have at least 2) should you look for in each in order to tell the difference?

    asked by Kate
  214. planning & implementing for the environment

    To enrich children's learning and play experiences, you may borrow _______ from your local public library. A. slide projectors B. toys C. videocassette recorders D. videocassette tapes B is the answer

    asked by Amanda
  215. Basic Geometry

    What does ' mean? ie. triangle abc is congruent to triangle a'b'c'

    asked by Melinda
  216. Biology

    List all the structures that every cell, regardless of type, must have.

    asked by Meagan
  217. Microeconomics

    10. Bob must ship his belongings worth 1,000 to England from Latin America. The prob- ability that a ship sinks and he loses the entire value of his shipment is 0.1. Assume that if one ship sinks it does not affect the probability that the second ship

    asked by Laurie
  218. math

    An estimate for √123 is. A.10 B.11 C.12 D.13 Is the answer B?

    asked by blue
  219. Science

    1.) Robin hood shoots an arrow up in the night sky. What is the acceleration at the very top of its path? 2.) Juan's car has an acceleration = -2.76m/s^2 and a velocity = 43m/s. Is he slowing down or speeding up?

    asked by Candy
  220. planning & implementing for the environment

    Which one of the following maintenance tasks should be performed weekly in a classroom of a child care facility? A. Vacuum carpets B. Wet-mop floors C. Clean and mop classroom storage areas D. Dust furniture D is the answer

    asked by Amanda
  221. Chem

    Suppose that the 10.0 g of NH3 is formed in a bomb calorimeter, and that all of the evolved heat for the exothermic reaction is completely absorbed by the surrounding 1000 g of water. Find the change in temperature (ΔT), and the final temperature (TF) of

    asked by Feather
  222. physics

    After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.7 m/s. Miranda runs after her at a velocity of +5.0 m/s and hops on the inner tube. How fast do the two of them slide across

    asked by tika
  223. math

    if 1/2 times 3/4 is 3/8 why is it less than 3/4?

    asked by HELP
  224. stat

    a full scholarship to any student who scores in the top 4% of students on the SMRT standardized exam. SMRT scores have a mean of 260 and a standard deviation of 22. What score does a student need to attain in order to receive the scholarship? this is how I

    asked by Barb
  225. S.S.

    14. The politicians who met at the Hartford Convention in 1814 A. recommended changes in the Constitution. B. favored secession from the Union. C. represented the interests of the cotton-growing states. D. were mainly concerned with increasing trade with

    asked by Sarah
  226. math

    the product of my digits is an even number the sum of my digits is < 100

    asked by jack
  227. chemistry

    Which of the following half-reactions would occur at the anode of an electrochemical cell? A. H+(aq) + Cl− (aq) → HCl(aq) B. Li+(aq) + e− → Li(s) C. Cu+(aq) + e− → Cu(s) D. Cu(s) → Cu+(aq) + e−

    asked by Morgan
  228. Math11

    bernhardt and julia are observing an eagals nest in a tree. Julia is 75 m from the tree, and sees it an angle of elevation of 42 degrees. A) How high up the tree is the nest? B) bernhardt is standing 30 m behind Julia. At what angle of elevation does he

    asked by Priya
  229. Math HELP!!!!!

    give 2 examples of mixed numbers that when multiplied by 3/4 give a product between 3/4 and 1 PLEASE HELP ME AND QUICK I HAVE A LOT DUE TOMORROW!!!!!

    asked by HELP
  230. Math 11

    Chung-ho is standing on the top of a building that is 135 m talk. The angle of depression to the top of the building next door is 71 degrees. The angle of depression to the basebof the building is 77 degrees. The building are 31 m apart. How talk is the

    asked by Priya
  231. planning & implementing for the environment

    which of the following toys is the safest for preschool children  (a)a puzzle containing small pieces (b)a hardwood wagon (c)a doll with a dress of flammable material (d)a game operated by electricity  The answer is either A or B

    asked by Amanda
  232. math 11

    An asymmetrical roof has measurements show in the diagram below. if the vertical supports are each two feet apart, calculate the measure of angle G and the slant heights (lengths x and y) of the roof.

    asked by Priya
  233. Math 11

    An airplane is flying 100 km north and 185 km west of an airport. it is flying at a height of 7 km. A) what is the straight-line distace to the airport? B) what is the angle of elevation of the airplane, from the point of view of the airport?

    asked by Priya
  234. Math 11

    A roller coaster has a track that drops at an angle of depression of 25 degrees from a height of 14.9 m. When it reaches the ground in travels horizontally for 8 m. It then rises at an angle of elevation of 47 degrees to a height of 26.8 m A) What is the

    asked by Priya
  235. algebra 2

    A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip.

    asked by Please Help Me
  236. 6TH GRADE MATH

    Use an example to describe the multiplicative relationship between two equivalent ratios. Can someone please help me?

    asked by Stephon
  237. planning & implementing for the environment

    Three things that you should consider grouping children in your center are the child's A. chronological age, family type, and socioeconomic status B. chronological age, developmental level, and individual needs. C. developmental level, individual needs,

    asked by Amanda
  238. S.S.

    14. The politicians who met at the Hartford Convention in 1814 A. recommended changes in the Constitution. B. favored secession from the Union. C. represented the interests of the cotton-growing states. D. were mainly concerned with increasing trade with

    asked by Sarah
  239. World History

    How was the rule of the British in Burma similar to or different from the rule of the French in Vietnam?

    asked by Victoria
  240. English-Annotation Please Help

    In the recent years, the media has shared with the public two very different stories involving children who committed acts of violence. Both minors were charged with murder and sent to adult state prison to serve their prison sentences. Some people may

    asked by Amy
  241. Math

    A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip.

    asked by Take a look Please
  242. chemistry

    H2(g) + Cl2(g) HCl(g) Consider the unbalanced equation above. 3.95 L of H2 and 1.00 L of Cl2 are reacted under the same conditions of temperature and pressure. (a) How many liters of HCl will be produced? (b) How many liters of reactant are in excess? i

    asked by olivia
  243. art

    what should the artist do first in order to draw this two point perspective image

    asked by kelly
  244. Science Help

    It’s the night of the BIG homecoming dance and you just can’t wait. You think you have everything planned perfectly! On your way to the dance though there is some slow driving JERK in front of you so you slam on the gas going from 30. mi/hr to 60.

    asked by Micky
  245. art

    to evaluate the success of this image you would do all of following except

    asked by kelly
  246. computer literacy

    Digital literacy is a skill that important for

    asked by tina
  247. Easy Chemistry

    How long (in minutes) must a 5.40 A current be passed through an aqueous solution of zinc nitrate to deposit 87.5 g Zn?

    asked by Morgan
  248. Physics

    This is a question related to work. Today we had a pop quiz in my physics class and I am just trying to check my work here :D 1) if there is a 5 kg block on a horizontal table connected with string to a 3 kg block hanging off the side of the table through

    asked by William
  249. physics

    It takes 242 kJ of work to accelerate a car from 20.2 m/s to 28.2 m/s. What is the car's mass?

    asked by iamstupid
  250. Pre-Calc

    A point on the terminal side of an angel theta is given. Find the exact value of the indicated trigometric function (-1/5,1/2 ) find cos theta

    asked by kimberly
  251. planning & implementing for the environment

    The major purpose of providing storage for outdoor equipment is to A. fulfill licensing requirements. B. lengthen its life. C.avoid having to insure it. D. teach children to store equipment properly. My answer is B

    asked by Amanda
  252. math

    Jordan is making a beaded necklace, 2/3 of the beads she uses are red and 4/21 of the beads are blue, she wants the rest to be white, what fraction of the beads should be white?

    asked by Anonymous
  253. Chemistry

    How long (in minutes) must a 5.40 A current be passed through an aqueous solution of zinc nitrate to deposit 87.5 g Zn?

    asked by Morgan
  254. Physics

    1.) A ball is thrown straight upwards at a speed of 32.5 m/s and from a height of 1 m above the ground. How long before it hits the ground? 2.) An astronaut jumps on the moon with an initial upward velocity of 4.35m/s. If the acceleration of gravity on the

    asked by Patti
  255. Please physics help

    A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

    asked by Sanz
  256. Mrs.Sue

    Can u check my last question 16.

    asked by Sarah
  257. Statistics

    Data Set A: Average = $157 Standard Dev. = $84 Data Set B: Average = 34 oz. Standard Dev. = 21 oz Which Data Set is more variable?

    asked by diva24
  258. chemistry

    A flask that can withstand an internal pressure of 2511 torr, but no more, is filled with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst? i used P1/x=P2/T2 and got 69.6 degrees Celsius. what is wrong

    asked by olivia
  259. Pre-Calc

    You are taking a road trip in a car without A/C. The temperture in the car is 93 degrees F. You buy a cold pop at a gas station. Its initial temperature is 45 degrees F. The pop's temperature reaches 60 degrees F after 23 minutes. Given that \frac{T-A}{T_0

    asked by Anonymous
  260. Economics

    Suppose that you are a bicycle producer. In 2 or 3 sentences, explain why you are willing to supply the most bicycles at the highest price

    asked by Madison
  261. math

    HELP HELP PLEASE The University of Townville gives a full scholarship to any student who scores in the top 4% of students on the SMRT standardized exam. SMRT scores have a mean of 260 and a standard deviation of 22. What score does a student need to attain

    asked by tommy
  262. S.S.

    I am having trouble with question 16 16. The main impact of the invention of the cotton gin in 1793 was on A. the ability to process long-staple cotton. B. the ability to process short-staple cotton. C. cotton production in the Upper South. D. the cost of

    asked by Sarah
  263. Math

    Which algebretic equation correct represents this sentence? 25 is three times a number decreased by 8. A. 25 = 3w - 8 ? B. 3 = 25w - 8 ? C. 3 = 25w + 8 ? D. 25 =3(w + 8) ? a little confused lol.. help? Thanks Everyone So Much

    asked by K
  264. physics

    what is the work with a force of 19.3 N and a displacement 7 m and an angle of 80.0

    asked by Anonymous
  265. algebra

    One integer is 3 less than 4 times another. Their product is 27. Find the integers.

    asked by Anonymous
  266. guidance

    In which of the following situations do you, as a caregiver, act as a role model for prosocial behavior? A. You create a corner in which musical instruments can be played.B. You ask Maria to feed the gerbil.C. You remind Joshua to hang up his coat.D. You

    asked by Amanda
  267. Physics

    Suppose the surface (radius = r) of a cylindrical space station is rotating at 29.1 m/s to provide artificial gravity. What must be the value of r for the astronauts to weigh 1/3 of their earth weight? Don't know how to start please help.

    asked by S
  268. guidance

    Kicking, name-calling, and interrupting other children's play are all examples of A. regression.B. aggression.C. frustration.D. repression. The answer is B

    asked by Amanda
  269. guidance

    Two three-year-olds, Jenna and Neal, are pulling one another's hair. Using guidance techniques, what should you do? A. Ask, "What do you two think you're doing?"B. Say, "You must not do that. It's not nice."C. Remove Neal and say, "You must not pull little

    asked by Amanda