Questions Asked on
September 18, 2014

  1. chemistry

    A 15.27 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 18.33 g. Add subscripts below to correctly identify the empirical formula of the new oxide.

    asked by anon
  2. Math: Pattern

    Use the rule to write the first 12 terms in the pattern. Rule: Add 10,Subtract 5 First term: 11 (IM HAVING TROUBLE THIS IS ONE OF MY WEAKNESSES)

    asked by Gracie
  3. 7thgrade

    what happened to the snowman during the heat wave

    asked by lawrence
  4. Math algebra

    what do you call an alligator that sneaks up and bites you from behind

    asked by lani ochoada
  5. Spanish

    2.¿Quién le recomendó ese plato? (su tío) I have to answer this using the double object pronouns. these are the anwers I tried so far: Mi tío me lo recomendó. Su tío se lo recomendó. it is saying that the se lo recomendo is correct. I am missing

    asked by Ana
  6. chemistry

    A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this

    asked by anon
  7. redan. english

    I am thinking of a word that is in the ip family and means a baby bird

    asked by linda
  8. Algebra

    Stella is recording temperatures every day for 5 days. On the first day, Stella recorded a temperature of 0 degrees Farenheit. A. On the second day, the temperature was 3 degrees Fahrenheit above the temperature on the first day. What was the temperature

    asked by Ms. Stephie
  9. PHYYYYYSICS 2

    A golfer hits a golf ball, giving it an initial speed of 39.7 m/s at an angle of 55° above the horizontal. What is the maximum height in meters that the golf ball will achieve?

    asked by Carissa
  10. statistic

    Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment. Assume that these concerns are normally distributed using the 50%- 34% - 14% figures. Appoxatmaily what

    asked by diane
  11. math calculus 3

    find a formula for a function g( x,y,z) whose level surfaces are planes parallel to z=3x-2y+7

    asked by annaloris
  12. science/math

    a skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. what is the skateboarders acceleration? is 2.3m/s correct

    asked by taylor
  13. Language Arts

    In "The Finish of Patsy Barnes" when Patsy saw Black Boy, his "heart was beating very wildly beneath his jacket" because he? A. Had never ridden in a race before B. Was thinking about his mother's illness. C. Feared his mother's reaction to his riding in

    asked by Gwen
  14. physics

    A boy 14.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball upward at 50.0∘ above the horizontal, at 8.00m/s .

    asked by Anonymous
  15. english

    These questions are from The cask of Amontillado by Edgar Allan Poe 1. Is there really a cask of amontillado? how do you know? 2. Montresor seems to try to discourage Fortunato from coming along with him to the catacombs. Why does Montresor urge Fortunato

    asked by Anonymous
  16. Spanish

    Would it be possible to have Sra double check my answers? She was such a huge help last semester. Part I ¿Subjuntivo o indicativo? Completa cada oración con la forma correcta del verbo indicado. ¡OJO! No todas requieren el subjuntivo. 1. Esperamos que

    asked by Anna
  17. Physics

    1.) What is the acceleration of a car that increases its velocity from 0 to +14m/s in 10s? 2.) What is the acceleration of a car that maintains a constant velocity of - 14m/s for 10s? 3.) Seagulls are often observed dropping clams and other shellfish from

    asked by Becka
  18. PHYYYYYSICS 3

    A golfer hits a golf ball, giving it an initial speed of 31.7 m/s at an angle of 55° above the horizontal. How far in meters will the golf ball travel horizontally before hitting the ground?

    asked by Carissa
  19. Physics

    1. A cannon mounted on the back of a ship fires a 50.0 kg cannonball in the horizontal direction at a speed of 150 m/s. If the cannon and ship to which it is firmly attached have a mass of 4.00 x 103 kg and are initially at rest, what is the speed of the

    asked by Ashley
  20. math 4th grade

    Find two numbers the exact answer is between 3x567

    asked by mary
  21. Science

    what are the component parts of modern fireworks? what does each part do?

    asked by Brianna
  22. math

    stamjps are sold in bookiets of 100,50, and 10.find as many different ways to buy 200 stamps as you can. record your work in the chart. could you give me some examples...please!

    asked by ann
  23. statistics

    the weights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20 oz. if a newborn baby is selected at random. what is the probability that the baby weighs more than 95 oz?

    asked by michelle
  24. Math

    Julia saw 5 times as many cars as trucks in a parking lot. If she saw 30 cars and trucks altogether in the parking lot, how many were trucks?

    asked by Anonymous
  25. Physics

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +7.2 m/s and ax = +4.3 m/s2. The y components of the puck's initial velocity and

    asked by Sanz
  26. physics

    A jogger jogs around a circular track with a diameter of 325 m in 10. minutes. What was the jogger's average speed in m/s?

    asked by kim
  27. Math

    p+1221 B. p>3 C. p>-21 D. p>-3 Is the answer D?

    asked by Gwen
  28. Physics 12

    A sports car is travelling along a highway at a constant velocity of 36 m/s [N] exceeding the speed limit. It passes an unmarked police car parked on the shoulder of the highway. The police car accelerates from rest, 3.0 s after the sports car passed it,

    asked by John
  29. Math (Exponents)

    A. Complete expanded form of 4.728 in exponential notation?

    asked by Bella
  30. social studies

    What is on negative effect of the the huge oil reserve in Nigeria?. deforestation desertification air and water supply unemployment

    asked by sharon
  31. science 1 question

    Why do scientists use standard units of measurement? because their tools only measure in these units because other units are either too small or too large to work with so they can communicate findings without confusion*** so that people who are not

    asked by SkatingDJ
  32. general chemistry I

    Calculate the percentage error arising in an experiment if 1-mL, 5-mL, and 10-mL pipets are used for transfer and each pipet contains 5 drops of water adhering to the inside of the barrel. A single drop of water has an approximate volume of 0.05 mL.

    asked by Anonymous
  33. algebra

    A can of soda at 79°F is placed in a refrigerator that maintains a constant temperature of 36°F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) = 36 + 43e−0.058t. (a) Find the temperature, to the nearest

    asked by hule
  34. Geometry

    I need to know how to work this problem: A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface? 78 ft 78 ft2 198 ft 198 ft2

    asked by Sandra
  35. chemistry

    Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule

    asked by Anonymous
  36. statistics

    the wieights of newborn babies are distributed normally, with the mean of approximately 115 oz and a standard deviation of 20 oz. if a newborn baby is selected at random. what is the probability that the baby weighs more than 95 oz?

    asked by michelle
  37. PHYYYYYSICS 4

    A plane points its nose due north and flies at a speed of 71 m/s relative to the air. The plane enters a strong wind that blows at a speed of 23 m/s due west relative to the ground. What is the angle of the plane's trajectory according to an observer

    asked by Carissa
  38. WORLD HISTORY HELP

    Three differences between the Paleolithic and Neolithic Age? Explain at least three technological advancements made by mesopotamians? How was structure created in the Paleolithic Age, the Neolithic Age and Mesopotamia?

    asked by Emma
  39. Chemistry

    How could you prove that sodium hydroxide is a base without using litmus papes to test? Give an equation for the reaction

    asked by Divine
  40. BIOLOGY

    What are the possible gametes produced by the individual SsYy?

    asked by CHEYENNE
  41. writing

    Bing (common search engine) iSEEK Education (academic search engine) MetaLib metasearch engine) ( What types of information did each search provide? Discuss what features you like and dislike about each of the search engines.

    asked by jill
  42. PHYYYYYSICS 6

    Three marksmen stand at the top of a building. Two of them fire identical bullets out of identical rifles. The bullets leave the rifles with the same initial speed. The last marksman forgot his rifle, so he drops his bullet off the edge of the building

    asked by Carissa
  43. math grade 4

    James has 12 seashells mounted in a row. The 6 shells in the center of the row are nautilus shells. Is there the same number of shells on either side of the nautilus shells?

    asked by Mits
  44. M.A.T.H

    USE THE RULE TO WRITE THE FIRST 12 TERMS IS THE PATTERN. Rule: Add 10,subtract 5 First term: 11 WEAKNESS HERE

    asked by Grace
  45. jokens

    A sphere with a charge of 1.5 x 10-6 C experiences a force of 3.5 x 102 N when it is located at a certain point in an electric field. Determine the magnitude of the electric field intensity at this location. (remember E = Fon q' / q', and 1 µC = 1.00 x

    asked by Anonymous
  46. Chem---DrBob222

    Calculate the oxidation # for each atom in the molecule below. Can you help me with the rest. Thank you!!! H H H H / / / / H -- C ---C ===C ----N .. / / H H Group # # of E Oxidation # H 1 0 1 x 7 = 7 C 4 7 C 4 C 4 N 5 3 H atom attached to first C atom. 1 H

    asked by Layla
  47. Physics

    A steel ball is dropped onto a hard floor from a height of 1.95 m and rebounds to a height of 1.87 m (assume positive direction is upward) A. Caculate it's velocity just before it strikes the floor B. calculate it's velocity just after it leaves the floor

    asked by Edward
  48. physics

    A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force.If the stone leaves with a velocity of 4om/s,what is the value of force?

    asked by Ifeanyi Kalu
  49. math

    Which of the following situations describe quantities that combine to make 0? During the top of the fourth inning of a baseball game, the Ravens scored three runs. During the bottom of the fourth inning, the Raiders scored five runs to tie the game. Jacoby

    asked by Lily
  50. Physical Science

    A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. How much work does this heat pump ideally accomplish? The answer should be in KJ

    asked by Barbara
  51. science

    a student brings in a piece of moldy bread. which microscope would you use to view the mold? why?

    asked by tom
  52. physics

    A state trooper’s car sends out a radar signal at a frequency of 13.3 GHz. Find the wavelength of this signal. The wave speed is 2.998 × 108 m/s. Answer in units of m

    asked by LILY
  53. PHYYYYYSICS 8

    A baseball is thrown horizontally off a 40-m high cliff with a speed of 16.3 m/s. How much time in seconds will it take for the baseball to hit the ground?

    asked by Carissa
  54. algebra

    The formula F=9/5C+32 changes a temperature reading from the Celcius scale C to the Fahrenheit scale F. What is the temperature measured in degrees Fahrenheit when the Celsius temperature is -5°?

    asked by Anonymous
  55. algebra

    factorise 3px-3py-x+y

    asked by alistar
  56. Geometry

    I have worked this problem several times and get the same answer but it is not the right one, please help... You are tiling a kitchen floor that is 10 ft wide by 4 yd long. How many square yards of tile do you need? 13.32 yd²-- this is my answer 13 yd²

    asked by Sandra
  57. physics

    a 60kg woman is a passenger in a car that is involved in a crash. she is wearing a seat belt that stops her in 0.1s. if the car gad been travelling at 12m/s before the crash calculate the deceleration and the force on her breastbone due to the seat belt?

    asked by mocha
  58. physics

    A stone is dropped from a height of 10 m on an unknown planet having g = 20 m/s2. Calculate the speed of the stone when it hits the surface of the planet. Also calculate the time it takes to fall through this height

    asked by suraj
  59. business

    which of the examples is not a resource land firms labor machinery or human capital

    asked by kussigak
  60. PHYSICS

    In Case A the mass of each block is 4.0 kg. In Case B the mass of block 1 (the block behind) is 8.0 kg, and the mass of block 2 is 4.0 kg. No frictional force acts on block 1 in either Case A or Case B. However, a kinetic frictional force of 7.8 N does act

    asked by Anonymous
  61. chemistry

    Silicon for computer chips is grown in large cylinders called “boules” that are 300 mm in diameter and 2 m in length,as shown.(Figure 1) The density of silicon is 2.33 g/cm3. Silicon wafers for making integrated circuits are sliced from a 2.0 m boule

    asked by Anonymous
  62. Geometry

    What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units 34 units 36 units

    asked by Sandra
  63. math

    Compute the rate for the following loan. Round answers to the nearest tenth of a percent; use ordinary interest when time is stated in days. Do not enter the percent symbol in your answer. Principal Rate (%) Time Interest $5,000 % 3 years $1,200

    asked by Anonymous
  64. physical science

    The present record for the 100 meter dash is 9.58 seconds. back in 1988, Johnson ran the 100 meter dash in the world record time of 9.79 seconds. He was later to lose both his record and his gold medal to runner up Lewis because of steroid use. Calculate

    asked by Belle
  65. science/math

    a cyclist accelerates at a rate of 7.0m/s^2. how long will it take the cyclist to reach a speed of 18m/s? my answer is 2.5seconds. is this correct?

    asked by taylor
  66. Science

    Which statement best represents how structure relates to function? A- a horse's mane is often black B- many tropical birds can be taught to speak C- butterfly cocoons are often camouflaged D- some insects live longer than others

    asked by Skye
  67. Math

    Translate the following statement into an inequality: Five less than a number is at least nine. A. x-5>9 this arrow has a line under it** B. x-9>5 C. x-5>9 D. x-5

    asked by beau
  68. physics

    The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. What isthe wavelengthofradio waves emit- ted at 97.9 MHz? Answer in units of m

    asked by annie
  69. Finanal

    using the maximum ratios for a conventional mortgage, how big a monthly payment could the Burton family afford if their gross (before-tax) monthly income amounted to $3500? Would it make any difference if they were already making monthly installment loan

    asked by jack
  70. math

    what is 1 fourth times 8

    asked by Connie
  71. biology

    A true breeding brown mouse is mated with a true-breeding white mouse and all their offspring are brown. If two of these brown offspring are mated, what percentage of the F1 and F2 generations will be brown?

    asked by bio
  72. Algebra 1

    What is an expression for the sale price of a shirt that is sold at 40% off the original price p? A. t=80-m B. t=m-80 C. t=80+m D. t=80m

    asked by Brandon
  73. math

    If P0 > c (which implies that −1 < a < 0), then the logistics function P(t) = c 1 + ae−bt decreases as t increases. Biologists often use this type of logistic function to model populations that decrease over time. See the following figure. Apply this

    asked by Anonymous
  74. chemistry

    How many grams of ammonia is formed when 8 g of nitrogen is reacted with 10 g of hydrogen

    asked by Anonymous
  75. science, chemistry

    Calculate the number of moles inside a soap bubble 1cm in diameter and 1atm pressure at a temperature of 25 degree celcious.

    asked by teresiah
  76. chemistry

    using your initial mass of copper, calculate the minimum volume of concentrated 12M nitric acid needed to completely react with your copper to form copper(II) nitrate? Original mass of copper was 0.40g.

    asked by anon
  77. maths

    A man s;pends 3/8of his money and still has Rs 720 left with him. How much money did he have at first?

    asked by kritika
  78. PHYYYYYSICS 10

    A baseball is thrown horizontally off a 41-m high cliff with a speed of 18 m/s. What will be the angle in degrees between the horizontal direction and the velocity vector of the baseball just before it hits the ground? Assume that the answer will be

    asked by Carissa
  79. trig

    A bird at the top of a tree looks down on a field mouse at an angle of depression of 65°. If the field mouse is 30 meters from the base of the tree, find the vertical distance from the ground to the bird’s eyes. Round the answer to the nearest tenth.

    asked by Anonymous
  80. science/math

    as she climbs a hill, a cyclist slows down from 25mi/hr to 6mi/hr in 10 seconds. what is her deceleration? my answer is -1.9 is this correct or should it be a positive 1.9...am confused

    asked by taylor
  81. physic

    Pressing the brake of a car causes it to slow down from 29 m/s at a rate of -2.0 m/s2 for a period of 4 s. How far did the car travel during these 4 s?

    asked by samiboo711
  82. math:ratios

    Lamika buysc12 packs of juice boxes that are on sale and pays a total of $48 by using ratio table to determine how much will Lamika pay to but a 8 more packs of juice boxes at the same store.

    asked by adam
  83. Stuyvesant HS

    when 21.6g of benzene and an excess of HNO3 are used, what is the theoretical yield of nitrobenzene? Is 30g of nitrobenzene is recovered, what is the percent recovery?

    asked by Tony Wu
  84. algebra

    When reading some schematics of a rectangular garden you see the binomial x +8 feet represents the length and the binomial x - 1 represents the width. Write an expression that represents the total area of the garden in the form x2 (squared) + bx + c by

    asked by Thomas
  85. Math Problem (please help)

    Find the zeros of the function algebraically. f(x) = 36x^4 − 25x^2 x = (smallest value) x = x = (largest value)

    asked by Ada
  86. curriculum

    Which of the following is the best definition of phonological awareness? A. Sensitivity to units of sound used in the English language B. Awareness that the speech stream consists of a sequence of sounds or phonemes C. Awareness of the smallest unit of

    asked by Daniela
  87. Biology

    A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen

    asked by Emily
  88. chemistery lab..urgent

    hi..can someone hwlp me out here on how we can calculate the moles of H2T(phthalic acid)?? its urgent for my lab this evening 1:00pm friday

    asked by marcus
  89. PHYYYYYSICS 9

    A baseball is thrown horizontally off a 43-m high cliff with a speed of 18.3 m/s. What will be the speed of the baseball in m/s just before it hits the ground?

    asked by Carissa
  90. math

    There were 665 hot air balloon pilots at a hot air race . There were 1,550 more ground crew members than there were pilots. How many ground crew members than there were pilots. How many ground crew members were there?

    asked by D'MYA BARBER
  91. Chemistry

    Since a hydrogen atom consists of one proton and one electron, it should have a mass of 1.763 x 10^-24 grams. Using unit factoring, calculate how may hydrogen atoms you'd have if you had 5.6 g of hydrogen. Thank you!

    asked by Ellie
  92. Geography

    How would you rate Canada when compared to the rest of the world? Concepts like Primary School Enrollment, Life Expectancy, Population, GDP, HDI and etc;

    asked by Sally
  93. science

    a student brings in a piece of moldy bread. which microscope would you use to view the mold? why?

    asked by tom
  94. math

    if aluminum cans are 65 cents per pound and I have 50 pounds what does this equal

    asked by Anonymous
  95. Math

    A Registered Education Savings Plan (RESP) earns interest at a rate of 5% per year, compounded annually. Jasmine’s parents invest $4000 in the account today. a) Determine an explicit formula to represent the value of the investment. (2 marks) b) Use your

    asked by Alex
  96. Math

    Find the value of term 1 given sum 8= - 3280a and the common ratio = - 3?

    asked by Alex
  97. Physics

    A stone is thrown vertically upward at a speed of 27.00 m/s at time t=0. A second stone is thrown upward with the same speed 2.060 seconds later. At what time are the two stones at the same height?

    asked by Jake
  98. PHYYYYYSICS

    A catapult launches a stone at an angle of 20° above the horizontal at a speed of 26.8 m/s. Assuming the stone begins its trajectory at the origin, determine the distance in meters from the origin that the stone achieves after 1.05 s. Note: The stone will

    asked by Carissa
  99. Geography / English

    So I have to write an essay how do i rate canada when compared to the rest of the world. On the sheet it shows you a set up on how to write it Introductory Sentence/ Thesis -In my opinion, canada is favourable compared to the rest of the world. Supporting

    asked by Sally
  100. Physics

    A Car moving North at 9 m/s strikes a stationary car of equal mass. The first car moves off after the collision at an angle of 30 degrees West of North, with a speed of 6 m/s. What is the speed of the second car after the collision? My resources have poor

    asked by BB
  101. statistics

    The time a student spends in the shower on any school day is an exponential random variable with a mean of 298 seconds. a)What is the probability that the student spends more than 310 seconds in the shower on one day? b) What is the probability that the

    asked by Pr
  102. Algebra2

    A football is thrown by a quarterback, the footballs height in feet will be 7.5 ft in the air because that's about the right height that your favorite football player would catch the ball. Also you want to know if the most despised cornerback in the league

    asked by BT
  103. trig

    if 15 sin theta=8 cos theta , then what is sin theta-cos theta/sin theta +cos theta

    asked by krish
  104. Geometry Please help

    I think I got forgotten... What is the perimeter of triangle PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane? (1 point) 21 units 25 units - ?? 34 units 36 units

    asked by Sandra
  105. Pre-Calculus

    1.) Which equation represents a function? A. y=-2x+1 B. x=y^2-1 C. y^2=1/3x D. None Of These E. x=4 2.) The zeros of a function f are the x-values for which f(x) = 0. True or False?

    asked by Sofia
  106. science/math

    after traveling for 6.0 seconds, a runner reaches a speed of 10m/s. what is the runners acceleration? my answer is 60m/s , is that correct?

    asked by lacy
  107. physics

    The distance each floor of the office building is 3.0 m. Which table shows the total distance traveled and displacement of the elevator?

    asked by steph
  108. English

    What is the relationship between literature and place

    asked by Lee
  109. Physics

    A ball leaves a kicker's foot with a velocity of 23.0 m/s and at an angle of 40 degrees up from the ground, how far did the ball travel before being caught by another player?

    asked by Chelsea
  110. Algebra 2

    1. Simplify (5√7)/(√6) A: (5√42)/(6) or 5√7/6?

    asked by Victoria
  111. math

    John as building a new fence and wants it to stand 81/2 feet above ground level to make sure its secure he must place it 23/4 feet into the ground.how long of a post should john buy?

    asked by trina
  112. physic

    The distance between London and Madrid is 1273 km. If an airplane travels at an average velocity of 502.4 km/h, how long will the trip take?

    asked by samiboo711
  113. Physics

    Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê. Ā= −4ˆi + 3ˆj Ē= 12ˆi + 5ˆj

    asked by Charlie
  114. Math

    p+1221 B. p>3 C. p>-21 D. p>-3 Is the answer D?

    asked by Gwen
  115. Physics

    the acceleration due to gravity on the moon is 1/6 that on earth. For a projectile with an initial velocity of 15m/s upward what would be the maximum height and total time of flight on the moon and on the earth?

    asked by Angie
  116. math

    I am thinking of a number. 55 but no more than 45 it is an odd number. The sum of the digits is 12. What is the number?

    asked by Anny
  117. Geography

    Which of the following statements about Vietnam is true?

    asked by rosie jones
  118. MATH WORD PROBLEM

    Lisa needed to borrow money from Kim. Kim said to he would have to pay him back one and half times the original sum plus $20. Kim paid a total of $200. What was the original amount Lisa Borrowed?

    asked by Anonymous
  119. Algebra 2

    Given a point (-2,5), determine a point that satisfies the specified symmetry. 1.)Origin 2.)y-axis 3.)x-axis 4.)y=x

    asked by Alicia S.
  120. PHYYYYYSICS 7

    An object has a velocity of (0.4 x + -1.7 y) m/s at the origin at t = 0. It experiences a constant acceleration of (0.2 x + -1 y) m/s2. What is the distance between the object and the origin at t = 3 s?

    asked by Carissa
  121. Music

    which skill helps a musician sing or play exercises or musical passages accurately without repeated practice

    asked by Connie
  122. math

    The manager turns the restaurants two neon signs on at the same time both signs blink as theyaare turned on. One sign blinks every 9 seconds and one sign blinks every firfteen seconds. How many seconds will they both blink together again?

    asked by amber
  123. science

    what are found at leading and trailing continental edges.

    asked by lyric
  124. Science

    What Type of Simple Chemical Reaction Occurs in Fireworks?

    asked by Brianna
  125. science

    most marine life is found in shallow waters of the?

    asked by lyric
  126. Mucic

    which skill helps a musician sing or play exercises or musical passages accurately without repeated practice Music - Connie, Thursday, September 18, 2014 at 7:25pm PLEASE HELP Music - Connie, Thursday, September 18, 2014 at 7:48pm PLEASE HELP Ms.Sue Music

    asked by Connie
  127. math

    need help with this problem of reasoning quantitively. simplify (-2)to the 3rd power -2 to the 5th power

    asked by Zion
  128. physics

    A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 403 N at an angle of 12.9° with the centerline of the canal. Find

    asked by hannah
  129. Physical Science

    A 12 kilogram tire is to be pulled by three ropes. One force, F1, has a magnitude of 50N. Orient the other two forces so that the magnitude of the resulting acceleration of the tire is least. And find that magnitude if: F2=30N, F3= 20N.

    asked by Akila
  130. Physics

    The swim portion of a triathlon takes place in a river and is an out-and-back course. The river has a steady current that is 0.400 m/s and the athletes swim against the current for 750m before returning and swimming with the current for the second 750m. If

    asked by Chelsea
  131. Chemistry

    What is the molarity of HCL if it takes 16.5 mL of 0.100 M NaOH to titrate 10.0 mL of HCl? HCl + NaOH -> H2O + NaCl molarity = moles of solute/liters of solution

    asked by Selena
  132. Physical Science

    at a speed of 30 mi/hr, the car crashes head on into a brick wall. despite the fact that the car crunched to a total stop, one of NEWTON'S laws predicts that you will continue to fly forward at 30 mi/hr until you collide with the windshield or dash. WHICH

    asked by Belle
  133. hca311

    In general, what is the main difference in opinion of the House and the Senate? Whose viewpoint do you agree with? How do these viewpoints impact financial challenges facing health care leaders?

    asked by alisha
  134. science/math

    a car starting from rest accelerates at a rate of 8.0 m/s. what is its final speed at the end of 4.0 seconds?I got 32m/s, is this correct

    asked by lacy
  135. English

    1. Tom went camping with his friend John's family. 2. Tom went camping with John his friend's family. 3. Tom went camping with John's, his friend's family. 4. Tom went camping with John, his friend's family. (Which one are grammatical?)

    asked by rfvv
  136. Physics

    A tennis player stands 15.0m from the net. They hit a ball from a height of 2.50m above the ground so that initially it has a horizontal velocity directed parallel to the ground toward the net. What speed does the ball have to have to just clear the net

    asked by Mercedes
  137. Trigonometry

    If P0 > c (which implies that −1 < a < 0), then the logistics function P(t) = c 1 + ae−bt decreases as t increases. Biologists often use this type of logistic function to model populations that decrease over time. See the following figure. Apply this

    asked by Anonymous
  138. Physics

    A basketball player shot a ball. It left his hand at a height of 2.05 m above the court at an angle of 40 degrees relative to horizontal, what initial speed did the ball have if it hit "nothing but net" at the basket 4.50 m away? Assume the rim is 3.05 m

    asked by Chelsea
  139. Math

    1. Benny is setting up fish tanks at the pet store. He has 8 angel fish, 12 tiger barbs , and 24 guppies. If he wants to have the same number of each kind of fish in every tank, what is the greatest number of tanks he can set up?

    asked by Nikita
  140. physics

    A baseball is thrown vertically upward with a speed of 17.8 m/s from a height of 1.11 m. How high does the ball rise from its original position?

    asked by Doug
  141. Math

    Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê. Ā= −4ˆi + 3ˆj Ē= 12ˆi + 5ˆj

    asked by Anon
  142. us history

    how does American colonization effect the society of the united states

    asked by jerry
  143. Math

    m-7

    asked by Gwen
  144. English

    How does the perspective of white crewmen toward the captives help support the main idea in "from the Interesting Life of Olaudah Equiano"

    asked by Lee
  145. algebra 2

    In a flower garden, 1/4 of the bulbs are daffodils, 3/8 are tulips and the remaining 21 bulbs are pillows. How many bulbs are there in all?

    asked by amy
  146. Science

    What are 3 facts that show ticks have a parasitic relationship with deer? 1..Ticks live on the skin of animals

    asked by Hayden
  147. Math

    Solve each inequality y+5>7 The arrows are supposed to have lines under them but I can't figure out how to put them. A. y12 Is the answer A?

    asked by Gwen
  148. science

    Name a molecule that transmits energy. Answer: Energy Molecule

    asked by Sue
  149. physics

    A circular disc of radius 'r' carries uniform charge distribution of surface charge density 'A'. If the disc lies on the z = 0 plane, with its axis along the z axis, find the electric field at a point P, along the z axis that passes through the center of

    asked by Anupam
  150. Math

    For N balls, m are black and the rest white,what is the probability that in the first n balls from N, 1 of them are black. Here m< N.

    asked by Chris
  151. english

    Is these sentences are correct. Even though I couldn’t decide which of the two sweaters to buy, the saleswoman convinced me to take both. Since at home, I regretted the expensive purchase,I vowed to return one of the sweaters.

    asked by gouri
  152. english

    Is this sentence correct. While at home, I regretted the expensive purchase,I vowed to return one of the sweaters.

    asked by gouri
  153. english

    Is these sentences are correct. Debbie felt nervous and out-of-place at the party so she sat by herself at the end of the sofa. She didn’t want people to feel sorry for her so she kept a strained smile on her face.

    asked by gouri
  154. English

    What is the main idea of from the Interesting Life of Olaudah Equiano

    asked by SARAH
  155. english

    Is these sentences are correct. Although Mr. Blatt always mixes up the students’ names, people get the feeling he doesn’t care. If being called by another name is embarrassing, it makes the students feel unimportant as well.

    asked by gouri
  156. History

    What is the difference between classical and modern archeology?

    asked by Patricia
  157. Math

    A survey found that 12 out of 15 people prefer hamburgers over pizza. If 65 people are surveyed the next week, how many people will choose hamburgers? How do I work this problem?

    asked by Harrison
  158. Pre-Calc

    Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x

    asked by Lori
  159. GLOBAL HISTORY HELP!

    how do we know about our past

    asked by Lauren
  160. english

    Is these sentences are correct. Even though we have discovered thousands of dinosaur fossils, we still don’t know much about these creatures. While they dominated the earth longer than humans have, they suddenly died out for unexplained reasons.

    asked by gouri
  161. Math-The chain rule HELP

    Use the chain rule and simplify your answer: y= 1/u prime u= 3x^2 + 5

    asked by Ebian
  162. Curriculum

    Which of the following is a correct statement about scheduling outside time? A. The best time for teachers to schedule outside time is immediately after morning snack or breakfast. B. There's no best time for outside time; it depends on the needs of the

    asked by Daniela
  163. Biology

    A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen

    asked by Jannette
  164. algebra

    how to write recursive formula and give one example of one

    asked by sara
  165. Math Precal/Trig

    Solve for n. 7((1-(-3)^n)/(1-(-3))=3829 I was confused on distributing the number 7, because we've always had problems with the number 1 on the outside.

    asked by Samee
  166. curriculum

    Children with well-developed social skills are not often viewed as A. friendly. B. cooperative. C. gullible. D. responsible. my answer is c.

    asked by Daniela
  167. Math

    Interpret th enumerical expression. (15 + 9 ) x 3

    asked by Argenia
  168. chemistry

    state the chemical formula of phthalic acid and calculate the molar mass using the formula.

    asked by marcus
  169. Algebra

    Let g(x) be the indicated combined transformation of f(x) = x. Write the rule for g(x). Horizontal stretch by a factor of 5 followed by a horizontal shift 2 units.

    asked by Anonymous
  170. Algebra

    2.25(x-4.2)=x+3.28

    asked by Coleson
  171. physics

    A glider of length 12.7 cm moves on an air track with constant acceleration. A time interval of 0.563 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a

    asked by MEEE
  172. stats

    The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Considering the Total Credit Hours data from our

    asked by Angel
  173. government

    comparison and similarities common sense: fight for what they believe in, want to sepearte from briatian, pamphlet, written by paine, colonies break away, colonies become new country declaration of independence: create all men equal, want to be united as

    asked by anonymous
  174. math

    I am a whole number. when you add 3 to me you get a 2-digit number. The 2-digit number is the same as 3 four times. What number am I?

    asked by ashley
  175. social studies

    what conclusion can you discern from the above charts?

    asked by Anonymous
  176. science

    Wow, you make me stay here for nearly an hour to wait for you to answer a question. Thanks. By the way, don't say how you didn't know the answer, you could have informed me of that 50min earlier.

    asked by tom
  177. geography

    What is Farthest south?

    asked by Anonymous
  178. Biology

    How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!

    asked by Skye
  179. Math

    The first prize in a lottery is $250 000. Each winner chosen after the first is paid 20% as much as the winner before them. b) Determine an explicit formula for the general term. (2 marks) c) Determine a formula for the sum of n terms of the geometric

    asked by Alex
  180. Algebra

    2m+3/m=1

    asked by Coleson
  181. fraction

    Joey has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long?

    asked by Anonymous
  182. reading

    What is an illustrated list?

    asked by Rebecca
  183. math

    What is (-7)^5 in expanded form? 1.-7*-7*-7*-7*-7 2.-7*5 3.(-7)*7*(-7)*7*-7 4.5*5*5*5*5*5*7 IS IT D

    asked by andrew! NEED HELP NOW!!!
  184. physics

    If a 2kg car with a momentum of 12kg m/s collides with a stationary 4kg car, the total momentum after the collision will be?

    asked by Jean
  185. Biology

    How do you calculate the magnification on a microscope? Please help, I do not have any multiple choice to go by, I have to write a response!

    asked by Sky
  186. PHYYYYYSICS 5

    Two trucks driven by Abby and Brian start at the same position and take off in different directions in an open field. Abby is traveling at a speed of 40 mph in a direction 30° south of west. Brian is traveling at a speed of 56 mph in a direction 75°

    asked by Carissa
  187. HISTORY

    At the beginning of World War II, Roosevelt dealt with France

    asked by DASIA
  188. Math

    Determine whether each sequence is geometric, arithmetic, or neither. Justify your answer. 1/5, 1/4, 1/3,1/2,1

    asked by Alex
  189. earth space science

    What include things like temperature, precipitation and humidity

    asked by lyric
  190. Math

    For each arithmetic sequence, determine a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1/4, -1/2

    asked by Alex
  191. Math

    Calculate the dot product Ā·Ê(where Ê = Ē/E ~ is the unit vector in the direction of Ē ) and plot both Ā and Ê, showing how Ā·Ê is the projection of Ā on Ê.

    asked by Squawk
  192. biology

    How do changes in the nucleotide sequence lead to mutations and how could this affect the primary structure of proteins?

    asked by lou
  193. Math

    b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 7/4, 1, 1-4, -1/2

    asked by Alex
  194. scince

    Precipitation is part of the?

    asked by lyric
  195. Math

    a) the value of t1 and d (2 marks) b) an explicit formula for the general term (2 marks) c) t20 (2 marks) 3a, 3a – 2b, 3a – 4b, 3a – 6b, …

    asked by Alex
  196. music

    How much music is in your head?

    asked by Lily
  197. science

    what keeps the earth cool during the day and warm at night

    asked by lyric
  198. Math

    A designer is designing a cylindrical punching bag. He wants to use a maximum of 1.3m^2 of material. He has determined that the diameter of bag should be 36cm. Determine the maximum possible height of the bag to nearest tenth if a centimeter. Please help

    asked by Cherie
  199. science

    what is a geological process occurring over time

    asked by lyric
  200. Physics

    Two telescopes A and B spot a star. Telescope A reports the position of the star to be in the East 60 degrees above the horizontal line joining A and B. Telescope B, which is 500 km West of telescope A spots the star at 30 degrees above the horizontal line

    asked by Help
  201. French

    What does this sentence mean? Dans quel pays es-tu?

    asked by Anonymous
  202. Math Gr 12

    We are learning to solve Factorable Polynomial Inequalities Algebraically. Question: Solve using intervals. (4x +1)(2-x) is greater than or equal to 0.

    asked by Victoria
  203. Algebra 1

    The monthly cost C for a cell phone is $20 each month plus $.10 for each minutes used. Which equation can be used to find the total cost (in dollars) for a month when m minutes are used? A. C= m+20 B. C= 0.1m+20 C. C= 10m+20 D. C=20m

    asked by Anonymous
  204. English

    1. We all hurry into the room and find a desk. 2. We all hurry in the room and find a desk. (Are both OK? Can we use 'in' instead of 'into'?)

    asked by rfvv
  205. English

    I finally got on the school soccer team. (In this sentence, what is the meaning of 'got on'? What other expressions can we use?)

    asked by rfvv
  206. math

    What is the solution of the equation 4t=64?

    asked by Anonymous
  207. Physics

    What is the centripetal force required to cause a 4000 lb car to go around a curve of 900 ft radius and a speed of 600 miles per hour?

    asked by Ked
  208. math

    one edition of the book has 352 pages, how many were used in its page numbers

    asked by Anonymous
  209. English

    1. She doesn't have a pretty face and a warm heart. 2. She doesn't have a pretty face or a warm heart. (Are both the same in meaning? What is the meanig of #1?) 1-1. She doesn't have both a pretty face and a warm heart. (She has either a pretty face or a

    asked by rfvv
  210. math

    what is -18/-13

    asked by jeremiah
  211. History

    Whom did Governor Leon Philips call in 1938 in order to stop the implementation of dam construction in Oklahoma? the national guard

    asked by Katt♥Bobby
  212. math

    what is a multiple?

    asked by rohin
  213. SS

    What are some examples of assumptions we make about other cultures?

    asked by Anonymous
  214. English

    1. Class 2 in the second year won first place. 2. Class 2 in the second grade won first place. 3. Class 2-2 in the second year won first place. 4. Class 2-2 in the second grade won first place. (Are they all grammatical and the same in meaning?)

    asked by rfvv
  215. Math (Pre-Calculus)

    Can someone help me with this? Thanks! Find the zeros of the function algebraically. f(x)=x^2-8x+15 ---------------- 10x

    asked by Ben
  216. Math

    what does that mean?? write the place and value of each number. 1)5,272,468,693 what is the selected digit in? ^ its eight

    asked by Julie
  217. CONTRACT LAW

    A music club sends an advertisement. you select ten "free" downloads and agree to become a member. When you get you free downloads you decide to resign. Does the night club have an legal rights against you? why? I know that they don't have rights I just

    asked by MORGAN
  218. Vocabulary

    Though my dog River is huge and fierce looking, children are fond of him because he doesnt have a(n) _______ disposition. barren? interrogate? humdrum? sullen? trickle? truce? vicious?

    asked by Kk
  219. math

    Distribution of Employees in National Insurance Company by age groups:(for questions 76-78) Age Group Per cent 46 and over 25 40-45 34.5 35-39 25.62 30-34 12.9 Under 30 1.9 76. Thirty thousand employees of this company are 46 years or over.How many

    asked by thomas
  220. Social Studies (SS)

    What was the relationship between the popularity of rice in Europe and slavery in the Southern colonies?

    asked by Max
  221. math

    dy/dx+[(1-y^2)/(1-x^2)]=0

    asked by shraddha
  222. Algebra 2

    1. Simplify (5√7)/(√6) A: (5√42)/(6) or 5√7/6?

    asked by Victoria
  223. English

    Batman or Star Wars and why?

    asked by Anonymous
  224. Math

    The perimeter of a rectangle is 122 feet and the length is 10 times longer than twice the width. Find the dimension.

    asked by Marge
  225. physical science

    Superfly, mass of only 1 gram, but capable of flying at the incredible speed of 840 million km/hr, meets a locomotive with a mass of 20,000 kg, traveling at 40km/hr. Who has the greater momentum?

    asked by Belle
  226. development

    A child’s motor skills develop in order from:

    asked by michekl
  227. Math

    How do you reflect -0.25x + 5 across the x-axis?

    asked by Anonymous
  228. physics

    Starting from rest, the car is going 29 ft/s (20 mi/h) at the end of 5.0 s. What is the car's average acceleration in ft/s2?

    asked by kim
  229. Algebra 2

    x/4-4/x over 1-4/x simplify this

    asked by robby
  230. Physics

    A small plane moving at 207km/hr flying 50.0m above the ground chases a convertible moving at 105km/hr down a straight highway. The plane has a package to drop in the car’s back seat. Assuming the vehicles maintain their speed and altitude and there is

    asked by Mercedes
  231. Math

    Which number is larger .545 or .54 repeating?

    asked by Corey
  232. math

    A fraction becomes 1/2 when 3 is subtracted from its numerator. If 5 and 7 are respectively added to its numerator and denominator, it becomes 3\4 then, the LCM of the numerator and denominator of the said fraction,must be

    asked by rajkishor ray
  233. math

    Linda did 24 problems out of 25 correctly.In the next test she did twice as many examples correctly but received a mark only half as good.How many problems were there in the second test?

    asked by thomas
  234. Geometry

    Need help on this problem please... What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth.

    asked by Sandra
  235. math

    if 150 is the third proportional to 6 and x ; find the value of x.

    asked by akshat
  236. math

    The ratio of two numbers is 3:4 and their HCF is 6. Their LCM IS?

    asked by rajkishor ray
  237. math

    Each interior angle of a regular polygon is 140 degree. the number of sides of the polygon is?

    asked by rajkishor ray
  238. home economics

    the south african is not providing enough welfare or subsidies to the poor and underpriviledge

    asked by zipho
  239. science

    Name a molecule that transmits energy. Answer: Energy Molecule

    asked by please help
  240. math

    3px-3pt-x+y

    asked by alistar
  241. computer

    Assuming you were generating 200 MB of new data per week,at what point would you need to add another hard disk to your computer?

    asked by Ansu Davies
  242. math

    If sales tax is 1/16 of the price and the price is $16 how much tax do I pay?

    asked by cody
  243. computer

    Can you show me the working solution for my first question?

    asked by Ansu Davies
  244. science

    Can there be 2 full moons?

    asked by Jordan
  245. comuter

    Have my questions been answered?

    asked by Ansu Davies
  246. Physics

    A cat jumps on to a railing at a height of 1.20 m above the ground. He jumps at an angle of 70 degrees relative to the floor. How fast does he have to be moving when he leaves the floor in order for him to make it up to the railing?

    asked by Chelsea
  247. CHEMISTRY

    Hi! I know I asked this before, but I still don't understand how to solve the problem:"Since a hydrogen atom consists of one proton and one electron, it should have a mass of 1.763 x 10^-24 grams. Using unit factoring, calculate how may hydrogen atoms

    asked by Ellie
  248. PHI 208

    Thomas Nagel argues that all rules of engagement should be governed by the utilitarian principle that

    asked by Anonymous