Questions Asked on
March 22, 2016

  1. educational and tecnology

    A Boolean search can help you narrow down your topic by doing what A( finding the most popular topic for you to research B( allowing you to restrict your search to look only for specific terms or groups of terms C(avoid searching for him popular topics D(

    asked by jjiiddss
  2. SS

    Mainland Southeast Asia is a wide? (A) island (B) archipelago (C) peninsula (D) delt!@#$%^&

    asked by Akame
  3. English

    In the personification of death in the final scene what is romeo communicating? A: that death has taken Juliet as his love and he wants to keep her B: That death has failed to kill Juliet C: that death is like a thief who has stolen his love I think it is

    asked by Marylyn
  4. math

    Find the next three terms in the sequence. –1, 9, 19, 29, . . . (1 point) A. 38, 37, 32 B. 40, 51, 62 C. 39, 49, 69 D. 38, 47, 56

    asked by Olive
  5. Chemistry

    If all of the SCN- was not converted completely converted to FeNCS^2+ when the calibration curve was prepared, would this raise or lower the value of Keq? Explain

    asked by Lyndsay
  6. math

    2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

    asked by Olive
  7. Math

    A back-to-back stem-and-leaf plot showing the points scored be each player on two different basketball teams is shown below. Team 1 | | Team 2 4 3| 0| 4 9 9 8 2 0| 1|0 1 7 6 1| 2|3 3 8 Key: 4|0|2 means 4 points for Team 1 2points for team 2 What is the

    asked by jai
  8. Algebra

    The first group was responsible for making 160 suits while the second group was responsible for making 25% fewer suits in the same amount of time. The first team made 10 more suits each day than the second team and finished its job 2 days before the

    asked by Andrew
  9. math

    At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow. The shadow of the building beside the pole is 18 meters long. How tall is the building? How long will the shadow of a 45 meter building be?

    asked by jackie
  10. math

    2. Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs. If this pattern

    asked by Olive
  11. Ms.sue please help

    17. Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2

    asked by jai
  12. Math please help

    Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark

    asked by jai
  13. science help pls pls

    Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy circle. The circle is labeled 'Lake,' and there are three points outside of the lake: 'Location 1' is to the northeast of the

    asked by Oscar
  14. Algebra

    An automobile covered the distance of 240 km between A and B with a certain speed. On its way back, the automobile covered half of the distance at the same speed and for the rest of the trip he increased his speed by 10 km/hour. As a result, the drive back

    asked by Andrew
  15. Chemistry

    a) how many moles of atoms are in 1 mole of Ca3(PO3)2 b)If I have 1 mole of Ca3(PO3)2, how many moles of PO3^3- ions do I have? c)How many individual PO3^3- ions do I have?

    asked by Kiana
  16. trigonometry

    tanA - sin A /sin^2A= tan A / 1 + cosA Please prove this

    asked by Venkatesh
  17. Math

    Triagle abc is reflected over the y-axis what are the coordinates of the refected triangle describe in words what happens to the x coordinates and the y coordinates of the orignal triangle's vertices as a result of this reflection

    asked by Please Help
  18. Math

    Marissa bought 6 fewer pints of soda than orange juice. How many cups of soda did she buy?

    asked by Anonymous
  19. health

    which disorder can be triggered by tobacco smoke,mold, or perfumes? A. tendonitis B. dialysis C. blood clot D. asthma my answer: D am i right?

    asked by sunshine
  20. math

    Jessica buys a lamp that costs $35 and a table that costs $75.00. If the tax rate is 10%, what will be the total cost of the lamp. I know is not 110, is between. A #117, B $118, C $119, D $120, E $121, Can somebody help me.

    asked by Cora Evans
  21. Math please help

    Carol has a collection of 100 stamps the graph below shows the percentage of stamps she has from each country how many more of Carols stamps are from France than from Norway? France: 24%, England:22%, Norway:29%, Italy:25%. a.) 5 stamps* b.) 24 stamps c.)

    asked by jai
  22. Math

    A bus travels 400 Miles in 8 hours how many miles will the bus travel in 2 days

    asked by Kris
  23. Math

    About. 7.5 gallons of water filled up 1 cubic foot of space. How many gallons of water will fill a goldfish pool shaped like the prism shown. 3 ft for length 3.5 ft for width 1.5 ft for height

    asked by Anonymous
  24. Math

    While bowling with friends, Brandy rolls a strike in 5 out of 10 frames. What is the experimental probability that Brandy will roll a strike in the first frame of the next game? Enter your answer as a simplified fraction. Is it 5/10 probability and 5/10

    asked by Anonymous
  25. Math Probability

    Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? Enter your answer as a

    asked by PleaseHelpCheckMyAnswers
  26. Chemistry

    What is the total mass of KNO3 that must be dissolved in 50 g of water at 60 degree C to make a saturated solution?

    asked by Michael
  27. Algebra

    A ship traveled 150 km with the current, and then turned around and traveled back, spending 5h and 30 min on its trip. Find the speed of the current if the speed of the ship in still water is 55 km/hour.

    asked by Andrew
  28. Physics

    A 63-kg ice-skater glides with a speed of 10 m/s toward a 14-kg sled at rest on the ice. The ice-skater reaches the sled and holds on to it. The ice-skater and the sled then continue sliding in the same direction in which the ice-skater was originally

    asked by Emily
  29. science

    3 identical point charges each one micro coulomb placed at vertices of an equilateral triangle 10cm apart calculate the force on each charge

    asked by emmanuel
  30. math

    Wendy noticed that out of 345 cars that passed her house, 56 were SUVs. About how many SUVs could she expect to pass by if 2,100 cars were to pass by her house?

    asked by Anonymous
  31. probobility

    4 -letter "words" are formed using the letters A, B, C, D, E, F, G. How many such words are possible for each of the following conditions? (a) No condition is imposed. Your answer is : Preview (b) No letter can be repeated in a word. Your answer is :

    asked by anna
  32. math

    Tim Tele received a $380 discount loan to purchase a DVD player. The loan was offered at 18% for 60 days. Find the interest in dollars and the proceeds for the following problem.

    asked by jerry
  33. math

    A bag contains 8 white marbles and 2 black marbles. You pick out a marble, record its color, and put the marble back in the bag. If you repeat this process 45 times, how many times would you expect to remove a white marble from the bag?

    asked by Anonymous
  34. chemistry

    how many grams of solid calcium oxide must react with excess water to liberate the same quantity of heat as does the combustion of 24.4 l of methane gas (CH4), measures ar 24.7 c and 753 torr? CaO +H2O --> Ca(OH)2 Delta H = -65.2 KJ CH4 + 2O2 --> CO2 +2H20

    asked by maddie
  35. science help PLS

    Plants take up carbon dioxide from the air and nutrients from the soil. This is an example of interactions between the geosphere, cryosphere, and atmosphere biosphere, atmosphere, and geosphere atmosphere, hydrosphere, and geosphere cryosphere, atmosphere,

    asked by Oscar
  36. Physics

    What is the average useful power output of a person who does 5.90×106 J of useful work in 7.90 h?

    asked by Emily Ann
  37. social stuides

    What was the purpose of Jim crow laws in south Carolina? a. To stop African Americans from voting ** b. To stop poor whites from voting c. To take land for African Americans d. To help African Americans gain jobs What was the purpose of the freedmen’s

    asked by UNKNOWN
  38. math

    Jason, Erik, and Jamie are friends in art class. The teacher randomly chooses 2 of the 21 students in the class to work together on a project. What is the probability that two of these three friends will be chosen? A. 1/105 B. 1/70 C. 4/50 D. 34/140

    asked by Anonymous
  39. Statistics

    The home states of a certain group of people are distributed as follows: 54 percent are from MISSOURI, 27 percent are from KANSAS, and 19 percent are from IOWA. (No one in the group had a home state other than one of these three.) (Note: Your answer to the

    asked by Mal
  40. Math

    You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? My guess is

    asked by Scarlet
  41. Physics

    The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform horizontal bar of mass m1 = 80.0 kg and length L = 5.30 m is supported by two vertical massless strings. String A is attached at a distance d = 1.90 m from the

    asked by Shelby
  42. science help pls pls

    The diagram below shows the movement of energy in the water cycle. Diagram showing the movement of energy in the water cycle. There are three boxes and six arrows that appear in the following order: box labeled 'Atmosphere,' one arrow pointing to a box

    asked by Oscar
  43. Social Studies CHECK MY ANSWERS

    How did the economy of South Carolina change after the Civil War? A. Several industries developed in the state. B. Most freedmen became landowners. C. Cotton was no longer the chief crop. D. Former slaves did not provide farm labor. Is it D

    asked by Ally
  44. Public Speaking

    This type of responsibility involves being aware of the consequences of what you speak about and how you say it. A. Thinking responsibility B. Criticizing responsibility C. Ethical responsibility D. Evaluating responsibly This is what I logically know:

    asked by Carpe_Diem
  45. maths

    The parallel sides of a trapezium have lenghts 5cm and 8cm..The other two sides have the lenghts 6cm and 4cm..Find the angles of the trapezium?

    asked by Ambis
  46. math

    Can you check my answers please? Thank you Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 9 are wearing jackets and 11 are not. What is the experimental probability that the next person to enter the store will

    asked by Anonymous
  47. science help

    Two factors which cause global climate change are listed below. Factor 1: Volcanic eruptions. Factor 2: Changes in the amount of Sun’s heat received by the Earth’s atmosphere and surface. Which of these statements is correct about the two factors which

    asked by Oscar
  48. Math Probability

    Philip rolls a standard number cube 24 times. Which is the best prediction for the number of times he will roll a number that is even and less than 4? Is it 4 times? Ryan flips a coin 8 times and gets tails all 8 times. What is the experimental probability

    asked by PleaseHelpCheckMyAnswers
  49. Chemistry

    a) If you have 5 dinitrogen monoxide molecules, how many nitrogen atoms do you have? b) If I had 5 moles of dinitrogen monoxide molecules, how many individual nitrogen atoms would I have? I think the answer for A is 6 nitrogen atoms. but I have no idea on

    asked by Mae
  50. Algebra

    Justin recently drove to visit his parents who live 480 miles away. On his way there his speed was 20 miles per hour faster than on his way home (he ran into bad weather). If Justin spent a total of 20 hours driving. Find the two rates.

    asked by Scotch
  51. Public Speaking

    If your listening preference is to “cut to the chase” by getting to the point quickly, then you are a(n) __________ listener. A. time-oriented*** B. action-oriented C. content-oriented D. people-oriented

    asked by Carpe_Diem
  52. life orientation

    propose 6 practical actions that you can take to address human right violation of xenophobia in your community

    asked by sthembiso ngobese
  53. Physics

    An electric kettle has a power of 1.2kw. How long will it take to heat 3 kg of water to the from 20¡ãC to 100¡ãC?

    asked by John
  54. math

    The Fernandez family drove 273 miles in 5.25 hours. How far would they have driven at that rate in 4 hours? A rectangle made of square tiles measures 10 tiles long and 8 tiles wide. What is the width of a similar rectangle whose length is 15 tiles? While

    asked by Anonymous
  55. Tokak

    The parallel sides of a trapezium have lenghts 5cm and 8cm..The other two sides have the lenghts 6cm and 4cm..Find the angles of the trapezium?

    asked by Ambis
  56. business math

    Camille Keegan sells lamps for $105.55 that cost her $75.00. Camille's percent of markup based on the selling price is:

    asked by Dan
  57. Physics

    A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two

    asked by Mackenzie
  58. Chemistry

    Mothballs are composed of a chemical called naphthalene which has a formula of C10H8 a) what is the mass of a single naphthalene molecule in amu? b) what is the molar mass of naphthalene? c) what is the mass of a single naphthalene molecule in grams? I

    asked by Kiana
  59. math

    A special diet is intended to reduce systolic blood pressure among patients diagnosed with stage 2 hypertension. If the diet is effective, the target is to have the average systolic blood pressure of this group be below 150. After six months on the diet,

    asked by Anonymous
  60. Social Studies CHECK MY ANSWERS

    Which criticism did Tillman direct at Conservatives? A.They controlled the office of governor. B.They didn't think blacks should vote. C.They believed in white supremacy. D.They didn't care about common people. Is it C

    asked by Ally
  61. Physics

    What is the average useful power output of a person who does 5.90×106 J of useful work in 7.90 h? I got 207 W Working at this rate, how long will it take this person to lift 2400 kg of bricks 1.30 m to a platform? (Work done to lift his body can be

    asked by Emily Ann
  62. Math

    I am having a problem answering this math problem. Andrea has a box of marbles in it. She has seven red marbles, thirteen blue marbles and nineteen yellow marbles. If she reaches in and takes out marbles without looking, what is the fewest number of

    asked by Steve
  63. math

    A rectangle has a width of 4 inches and a length of 6 inches. A similar rectangle has a width of 12 inches. What is the length of the similar rectangle?

    asked by Anonymous
  64. Physics

    As a particle moves along the x axis it is acted upon by a single conservative force given by Fx = (20 - 4,0x) N where x is in m. The potential energy associated with this force has the value +30 J at the origin 9x =0). What is the value of the potential

    asked by Beverly
  65. Chemistry - Gas Laws

    Pressurized carbon dioxide inflators can be used to inflate a bicycle tire in the event of a flat. These inflators use metal cartridges that contain 16.0 g of carbon dioxide. At 295 K, to what pressure (in psi) can the carbon dioxide in the cartridge

    asked by Anna
  66. Algebra

    A train covered the distance of 400 km between A and B at a certain speed. On the way back it covered 2/5 of the distance at that same speed and then it decreased its speed by 20 km/hour. Find the speed of the train at the end of its journey from B back to

    asked by Andrew
  67. Math

    The side of retangular floor are xm and (x + 7)m.the diagonal is (x + 8)m,calculate the value of x

    asked by Suraj
  68. physics

    Which is the vector quantity that describes the shortest path between two points?

    asked by maria
  69. Math

    Write a function that represents the situation. Find the balance A in the account after the given time period t. $2000 deposit that earns 5% annual interest compounded quarterly; 5 years A function is A= The balance of the account after 5 years is $_

    asked by anon
  70. chemistry

    A reaction mixture of N2O4 and NO2 absorbs the heat given off in the combustion of 6.35 L CH4 measured at 24.7 C and 812 Torr. How many moles of N2O4 can be converted to NO2 as a result? CH4 + 2O2 --> CO2 + 2H2O Delta H = -890.3 KJ N2O4 --> 2NO2 Delta H =

    asked by maddie
  71. Physics

    A 64.8 kg ice skater is skating along in a straight line (in the positive direction) at 9.2 m/s when he bends down and scoops up his 24.4 kg doggy sitting still on the ice. What will be the new velocity of the dog-n-skater?

    asked by Emily
  72. Algebra

    Kim invested a total of $1500 in two accounts. One account paid 2% annual interest and the other paid 4% annual interest. After one year, Kim earned $44 in interest. How much did she invest in each account?

    asked by Gregory
  73. Chemistry

    What is the percent yield of the reaction below if 2.23g of hydrogen gas react with 55.3 g of iodine to produce 43.1g of HI. use the equation below: H2+I2=2HI the answers: a) 21.8 b) 77.3 c) 33.7 d) 87.1 I started by trying to find the limiting reagent. I

    asked by John
  74. English

    What's your favorite food? 1. My favorite food is rice porridge. 2. My favorite food is rice soup. 3. My favorite food is rice gruel. 4. My favorite food is a hamburger. 5. My favorite food is hamburgers. 6. My favorite food is humburger. ================

    asked by rfvv
  75. Chemistry

    for the redox reaction given in the chemical equation Pb(OH)4^2- (aq) + ClO- (aq) --> PbO2 (s) + Cl- (aq) For the oxidation half reaction I got Pb(OH)4^2- (aq) --> PbO2 (s) + 2H2O (l) + 2e- For the reduction half reaction I got 2e- + 2H2O(l) + ClO-(aq) -->

    asked by Anonymous
  76. Probability and statistics

    Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial.n=22, x=18, p=0.85, q=.15

    asked by Holly
  77. Math

    What is the largest whole number that will round up or down to 900900900 if we're rounding to the nearest hundred

    asked by Taylor
  78. Chemistry

    A certain compound contains 8.74% Carbon, 13.8% Fluorine, 77.4% Chlorine by weight. A possible molecular formula for this compound might be? I think the answer is CF2Cl26 multipy mass of each element by the percent: c: 12.01*.0874=1.049674 F: 19*.138=2.622

    asked by Karisa
  79. Chemistry lab

    A 1.340gram sample of an unknown acid, H3A, was placed in a 250.0 mL volumetric flask and diluted to volume with water. A 45.35 mL sample of this acid solution was titrated with 37.77 mL of a 0.1006M NaOH solution. A) Using one set - up dimensional

    asked by Stacy
  80. Maths

    A fair coin is tossed 5 times. If X is the discrete variable the # of tails obtained, a) Draw the probability distribution . b) Find P (X

    asked by Zack
  81. math

    One of the standard telephone numbers for directory assistance is 555−1212. How many different permutations of this telephone number are possible?.

    asked by Anonymous
  82. biology

    a)what are the main similarities b/n cholera and typhoid? b)what are the main d/ce b/n cholera and typhoid? c)how can the spread of cholera and typhoid be prevented as far as possible?

    asked by yaekob
  83. Algebra

    A tourist traveled on a motorboat against the current for 25 km. And then returned back on a raft. In the boat the tourist traveled for 10 hours less than on the raft. Find the speed of the current if the speed of the motorboat in still water is 12

    asked by Andrew
  84. physics

    Driving down Highway 401 in Ontario, it had rained and stopped raining by the time I came to the freezing rain on the highway. I knew there was a problem when the cars in front of me started to fly off the highway at the curve in the road. Assume the curve

    asked by Tom
  85. Chemistry

    Which four salts could undergo hydrolysis to act as buffers if added to their parent acid or base? KF KH2PO4 NaCl KBr NaClO4 C5H5NH3Cl NH4Cl

    asked by Mikah
  86. Math

    2/5 of the total population of a village are children. 5/8 of the remaining are women and the rest are men.If there are 90 men in the village, calculate: total population, number of children, number of women

    asked by Mathematics
  87. Algebra 2

    Q: What is the value of b in the equation 4^2b-3 = 8^1-b? My Work/Answer: Set each sides base to 2 2^2(2b-3) = 2^3(1-b) cancelled bases out solved for b my answer - 9/7 Is my work and answer correct Thank You

    asked by Bryan
  88. Physics

    A single conservative force Fx = (6.0x - 12) (x is in m) acts on a particle moving along the x axis. The potential energy associated with this force is assigned a value of + 20 J at x = 0. What is the potential energy at x = 3.0 m?

    asked by Beverly
  89. Massey

    In the field event known as the hammer throw, an athlete spins a heavy mass in a circle at the end of a chain. When the athlete lets go of the chain, the mass flies off in a parabolic arc; the winner is the one who gets the maximum distance. For male

    asked by Kassa
  90. Physics

    Is this right? When a 5 kg box is lifted 3 meters from the ground, calculate the gravitational potential energy stored in the box. Calculate the work done by a Force to lift the box at a constant speed. Compare this answer to the amount of gravitational

    asked by A
  91. maths

    IN AN ARITHMETICS SEQUENCE THE SEVENTH TERM IS 12 AND THE 21ST TERM IS 68. CALCULATE THE 68TH TERM.

    asked by Lebohang
  92. MCC

    3. (Consumption and Saving) Supposed that consumption equals $500 billion when disposable income is $0 and that each increase of $100 billion in disposable income causes consumption to increase by $70 billion. Draw the graph of the consumption function

    asked by Anonymous
  93. physics

    Radio waves of wavelength 163 m from a galaxy reach a radio telescope by two separate paths as shown in the figure below. One is a direct path to the receiver, which is situated on the edge of a tall cliff by the ocean, and the second is by reflection off

    asked by Anonymous urgent
  94. physics

    Radio waves of wavelength 163 m from a galaxy reach a radio telescope by two separate paths as shown in the figure below. One is a direct path to the receiver, which is situated on the edge of a tall cliff by the ocean, and the second is by reflection off

    asked by Anonymous urgent
  95. Math

    Order the decimals and percents from least to greatest 0.12, 0.21, 1 / 4, 0.4 my answer is 0.12 0.21.0.25 because 1/4 equal. 25 and 0.4

    asked by Anaya
  96. Chemistry

    Determine the pH of a 0,050M solution of lactic acid, CH3CH(OH)COOH (ka = 1.4x10^-4) and delta Grxn^o at 25 degrees C. Determine pH and delta Grxn^o at 25 degrees C I'm having trouble on getting started.

    asked by Anonymous
  97. physics

    You see some management students getting drunk at 1 PM in the quad. (Yes, this is an early wake up call for them.) You decide to tie a 2.00 daN water balloon on the end of a 1.00 m long light rope and start swinging it horizontally. The rope from your hand

    asked by BOB
  98. math

    at 8 am Dylan and his neighbor drove their cars to a city that was 240 mi. away from their neighborhood. when Dylan reached the city mickey had 40 mi. to go. he finally completed his trip48 minutes later

    asked by dulce
  99. Physics

    A sports car is accelerating up a hill that rises 17.0° above the horizontal. The coefficient of static friction between the wheels and the road is µs = 0.79. It is the static frictional force that propels the car forward. (a) What is the magnitude

    asked by Anonymous
  100. LOCAL STANDARDS AND REGULATIONS

    Local, state, and provincial governments may have specific regulations that apply to the physical space in a day care center. A typical requirement in these regulations is a minimum of _______ square feet of usable play space for each child. A. 35 B. 24 C.

    asked by Anonymous
  101. English

    Which class are you in? 1. I'm in class 1-2. (I am a member of Calss 1-2. In the classroom, there are 30 students.) 2. I'm in math class. (I'm listening to the math teacher. It's time for studying math.) ==================== What is the answer to the

    asked by rfvv
  102. Public Speaking

    Speech criticism is a simpler form of: A. speech evaluation. B. rhetorical criticism.**** C. panel judging. D. communication process

    asked by Carpe_Diem
  103. math

    Rebecca rolls two number cubes each with sides that are labeled 1 to 6. What is the probability that both number cubes show a 1?

    asked by Anonymous
  104. Probl

    a ladder 8 meters long leans againts the wall of a building. if the foo|t of the ladder makes an angle of 68^0 with the ground  how far is the base of the ladder from the wall ?

    asked by Leonardo
  105. physics

    A 9-kg block is held by a pulley system shown in fig. What force must the person exert in the following cases: a) to hold the block at rest. b) to lower it at 2m/s. c) to raise it with an acceleration of 0.5 m/s2? Ignore the mass of small pulley. Answer

    asked by Anonymous
  106. Msth

    Julia has 8 red barrettes 2/4 of her barrettes are red how many barrettes does Julia have?

    asked by Raine
  107. physics

    A tank attached to an air compressor contains 20.0 litre of air at a temperature of 30¡ãc and guage pressure of 4.00¡Á10^5 pa. What is the mass of air, and what volume would it occupy at normal atmospheric pressure and 0¡ãc. Air is a mixture of

    asked by Chinonso
  108. Grade 11 Chemistry

    Why does methanol dissolve well in water. Explain using a diagram. I know that both H2O and CH3OH are polar, however what would I use for the diagram?

    asked by Adobe
  109. Algebra

    A photo is printed on a 20-inch by 24-inch piece of paper. The photo covers 320 square inches and has a uniform border. What is the width of the border?

    asked by Hannah
  110. Algebra

    Solve each system using substitution: x+ 2y = 8 and 3x-4y=4

    asked by Kimmy
  111. physics

    Two stars with masses 2.75 x 10^30 kg and 5.92 x 10^30 kg form a binary system. If the two stars have an average separation of 7.28×10^8 km, compute the magnitude of the gravitational force in Newtons between the stars. Express your result in scientific

    asked by lizbeth
  112. algebra

    prove that if U and W are vector subspaces of a vector V, then UV, is a vector subspace of V

    asked by emmanuel
  113. math

    You draw one card at random from a shuffled deck of 52 playing cards. The deck has four 13−card suits (diamonds, hearts, clubs, spades). The card is a club or a spade. Find the probability of this event. Write each answer as a fraction in simplest form,

    asked by PleaseHelpCheckMyAnswers
  114. Math

    Fit the rule: AEFHIKLMN. Did not fit the rule: BCDGJOP.What is the rule?

    asked by William
  115. Arithmetic progression

    In an AP , Sn = 2n , S2n = n Find S4n

    asked by Venkatesh
  116. math

    Which car is the cheapest to run?Explain why. Bill's car: average fuel composition 20 miles per gallon Sue's car: average fuel composition 30 miles per gallon Fred's car: average fuel composition 40 miles per gallon I think the answer is Fred because his

    asked by sara
  117. math

    A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall?

    asked by Angel
  118. Math

    Ms.lynch has 21 coins in nickles and dimes.Their total value is $1.65. How many of each coin does she have? 21 - ( 0.05x + 0.10x)=1.50 21- 0.15x = 1.50 0.15x=21-1.50 0.15x=19.5 ------ 0.15 = 19.5/ 0.15 x=130 ??????

    asked by verna
  119. English

    What is your hobby? 1. My hobby is doing bunjee jumping. 2. My hobby is bunjee jumping. 3. My hobby is doing rock climbing. 4. My hobby is rock climbing. 5. My hobby is bowling. 6. My hobby is going bowling. 7, My hobby is doing bowling.

    asked by rfvv
  120. chemistry

    A sample of water is known to contain 1.51 × 10^24 H2O molecules. How many moles of H2O molecules are present in the sample?

    asked by Dave
  121. Chem

    How many oxygen atoms are present in 2.00 millimoles of H2SO4?

    asked by Sarah
  122. math

    Solve the quadratic equation ax2+bx+c=0 using the completing the squares

    asked by salz
  123. maths geomentry help!!!

    the area of a sector PQR is a @rad.and the radius of the of the circle is rcm,the area of the sector is 20cm^2 and the perimeter is 26cm.find r?

    asked by david
  124. HOW TO START YOUR OWN CHILD DAY CARE FACILITY

    Which one of the following is an advantage of setting up a family day care home? A. You can obtain a tax-exempt status. B. You can enroll as many children as you wish. C. You'll be eligible for federal aid. D. Your own child or children will have children

    asked by Anonymous
  125. direct variation

    For the statements below, y varies directly with x. Find y when x = −0.3.

    asked by shaka
  126. LINCENSING ACCREDIDATION AND CERTIFICATION

    To obtain a credential from _______, it's acceptable to have received your training through independent study. A. the Child Development Associate training program B. the American Montessori Society C. your State Department of Education D. the Association

    asked by Anonymous
  127. health insurance

    The Patient received preventive medicine services. The physician's fee is $150. The Patient's copayment is $10 ( of the $75 fee schedule ). The payer reimburses the physician 80% of the $75 fee schedule. What is the amount the patient pays the provider:

    asked by kerri
  128. math

    An automobile tire has a diameter of 63 cm. What is the circumference of the​ tire? (Use pi equals3.14 as an approximate​ value.)

    asked by jessica
  129. remainder help!@steve and damon

    1^2+2^2+3^2+......+10^10 when it divided by 5 what the remainder???? even a hint can,t help me my head is fried have been do math alday just show me the working i beg!

    asked by daniel
  130. Algebra

    the denominator of a fraction exceeds the numerator by 7, if the numerator is increased by 3, and the denominator is increased by 5, the resulting fraction equals 1/2. Find the original fraction.

    asked by Scotch
  131. math

    A used guitar is on sale for $280. Derek offers the seller 3/4 of the advertised price. How much does Derek offer for the guitar? IS $240 correct?

    asked by Anonymous
  132. physics

    a projectile is launched outward at an angle theta above an incline plane elevated an angle alpha above the horizon. when the projectile hits the plane it is moving horizontally. prove for this case that the angle theta must satisfy the following

    asked by Diana
  133. Chemistry

    How many moles of compound are present in 17g of Fe2O3? I think I know how to do this, so if someone can show me so I can check my work against it. My answer was .106 moles of Fe2O3.

    asked by Kiana
  134. computer programing

    I am little lost how to do this here any help to show me? Create a program that uses a menu with options to enter information about monsters (monster type, special ability, weakness), print the monster information, or quit the program. Use data files and

    asked by Poohboi23
  135. Math

    A rectangular garden bed is 3 2/3 ft by 4 1/2 ft. Bricks that are 1/2 ft wide are being laid inside the perimeter of the garden. What is the perimeter of the garden bed outside the brick edging? What is the area of the garden bed inside the brick edging?

    asked by Qwerty
  136. algebra

    let V=R^3 and S={e1,e2,e3}.prove that S is a basis of V

    asked by emmanuel
  137. Chemistry

    Which three substances' conjugates cannot act as buffers? i.e. There are no weak conjugates in the compounds. NH3 C6H5COOH H3PO4 NaHCO3 C5H5N HBr HF NaOH HClO4

    asked by Mikah
  138. Math

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

    asked by Sid.V
  139. math

    i)use the substitution u=2^y to express the equation 3(2^y-1)=2^y+4 as a linear equation of u ii)hence solve the equation 3(2^y-1)=2^y+4

    asked by carolina
  140. math

    so if a trapezoid has 4 sides and the top(short) side and the two not parallel sides are all 5 inches long, what are possible lengths for the long (bottom) side? and are there more than 1 possible solution?

    asked by anna
  141. Business law

    State the issue, the law, an analysis and conclusion to the follow case:- Mr Mehra was the managing director of Oakprime Ltd, the beneficiary under a letter of credit which had been issued by Trinidad National Bank (TNB) and confirmed by Standard Chartered

    asked by sandrs
  142. algrbra

    1. David recently had a garage sale and has amassed a pile of change. How many of each coin (penny, nickel, dime, quarters) does he have if: a.There is at least 5 pennies, 5 nickels, 5 dimes and 5 quarters b.There is only a prime number of each coin c.The

    asked by hello2248
  143. civics

    how did the new jersey plan contribute to the creation of the us constitutions? a-it called for equal representation for all states b-it called for the 3/5 compromise c-it called for the creation of a bicameral congress d-it called for the end of slave

    asked by billy
  144. Physics

    How would I express the magnetic force in terms of Fmax if the angle between the velocity and the magnetic field direction is 10 degrees? I know the magnetic force equation is F=qVBsin(theta), but how do I put it in terms of maximum force (Fmax)?

    asked by Savannah
  145. math

    The length of a rectangular piece of steel in a bridge is 4 meters less than triple the width. The perimeter of the piece of steel is 56 meters. Find the length of the piece of steel. Find the width of the piece of steel.

    asked by jessica
  146. Business law

    State the issue, the law, an analysis and conclusion for the following case:- Mr Mehra was the managing director of Oakprime Ltd, the beneficiary under a letter of credit which had been issued by Trinidad National Bank (TNB) and confirmed by Standard

    asked by sandra
  147. divison&remainder

    1^2+2^2+3^2+.......+10^10 when divide by 5 whats the remainder i made no typo that's the question i proff read

    asked by daniel
  148. Algebra

    The difference between two numbers is 2. 3 times the larger number plus 1 half the smaller is 34. What is the equaution?

    asked by Greg Kuebler
  149. Physics

    Suppose under the certain conditions, the maximum force of friction that could act on a certain car was 3.35*10^3 N. The mass of the car is 857kg. What is the maximum possible centripetal acceleration of the car going around a bend? I know the equation for

    asked by Em
  150. Geography

    unscramble these words risut its a type of watch

    asked by Brittany
  151. math

    sum of 4 terms of g p is 30 & sum of first and last term is 18 . Find gp

    asked by Venkatesh
  152. math

    if a trapezoid has 3 sides that are all 5 inches long what are the possibilities for the long side? Like can it be 5 to make it a square?

    asked by anna
  153. Chemistry

    125.0g each of two solids, lead (II) nitrate and pottassiuk iodide are dissolved in the same beaker. A reaction occurs that produces a precipitate. How many grams of precipitate are produced in the reaction?

    asked by Lowery
  154. Tax

    The Smiths son, Jake, is 19 and a full-time student in his second year of college. Jake paid $5,650 in tuition during 2015, and another $650 for textbooks. The Smiths are claiming Jake as a dependent. Their taxable income is $13,000, and their tax

    asked by Anonymous
  155. Tax

    The corp has domestic taxable income of $400,000 and foreign-source taxable income of $200,000. Their U.S. tax on worldwide income is $204,000. The corp paid foreign income taxes of $65,000. What is their foreign tax credit on their US income tax return?

    asked by Anonymous
  156. maths

    Solve the quadratic equation ax2+bx+c=0 using the completing the squares

    asked by salz
  157. Chemistry

    20ml H2SO4 and 10ml HCl can be neutralized by 20ml NaOH (0.1M) separately.Calculate the pH of the acids?

    asked by Obama
  158. math

    jake is using a copy machine to increase the size oa a 2-inch by 3-inch picture of a spider. The enlarged picture needs to measure 3 inches by 4.5 inches. What enlargement setting on the copy machine should he use?

    asked by melissa bacus
  159. Algebra

    Solve using substitution 5x-2y= 0 and 3x=y =-1

    asked by Blake
  160. health part 2

    Genital HSV-1 outbreaks recur ________ regularly than genital HSV-2 outbreaks. A. More B. Somewhat more C. Less D. None of the above B?

    asked by savannah
  161. Physics

    A box slides down a frictionless, 10-meter, 30o incline. Calculate the gravitational potential energy at both the beginning and end of the motion. Calculate the work done by GRAVITY as the box slides down the incline. Compare this to the overall change in

    asked by Julie
  162. 7th grade Math

    Could you please explain how i would answer a question such as this one? 0.8 (2x + x) + 3(7 - 4.1x) = i went over the lesson provided by my teacher, and still don't understand it..

    asked by Kristiana
  163. Math

    What is difference between cube and square prism?

    asked by Pam
  164. math

    simplify 8^y+2 minus 34(2^3y) / (square root 8)^2y+1

    asked by kaelyn
  165. Algebra 2

    How many mins/max are there in the equation x^3-4x^2-7x+10? I said that there are 2 because if it is to the 3rd exponent, it increases then decreases then increases again when graphed. Is my statement correct? Thank You

    asked by Bryan
  166. math

    a book containing 4 identical books weighs 5kg if the weight of the box is 600g what is the weight of each box

    asked by donavon
  167. algebra

    One more than 3 times a number is the same as 5 times the number decreased by 15. Find the number

    asked by janiya
  168. geometry

    The area of a triangle is 6 square feet. The base is 3 times the height. What is the base of the triangle?

    asked by laura
  169. math

    Marita orders 12 yards od material to make banners. if she needs 1 foot for each banner, how many banners can she make?

    asked by Tymier
  170. math

    find the product of 60x6

    asked by gene
  171. science

    what is the name of the gas which forms dry ice ...........u can also send the lab. preparation of it

    asked by ur father
  172. Math

    Find the perimeter of the rectangle with length 9 inches and width 7 inches? 32.(MY ANSWER) 16. 63. 64.

    asked by LOVE
  173. Maths

    Mr A filled his car with fuel every fourteenth day. Mr B fills his car every eighth day. They both filled their car today. How many days will it be until they next fill their tanks again?

    asked by Priscilla
  174. math....

    which of these is a rational number A. radical 2 B. radical 3 C. radical 4 D. radical 5

    asked by Xxcody~kunxX
  175. Physics

    Do you think the sun's gravity is greater or less than that of all the other planets?

    asked by Demyion
  176. stem and leaf plot

    construct a stem and leaf plot for the typing speed data, where 4|5 means 45

    asked by Joe Smith
  177. math

    A rectangle has a width of 4 inches and a length of 6 inches. A similar rectangle has a width of 12 inches. What is the length of the similar rectangle?

    asked by Anonymous
  178. math

    Listing fractions from the least to the greatest of 1/3,4/9, 3/4, 5/6, 5/8, 2/3, 3/12, 2/5

    asked by marlene
  179. maths

    What is the area of cross sectionof a pool which is 1.5m and 3m

    asked by brenda
  180. MATH

    List all of the integers there are between √13 and √50.

    asked by John Doswell
  181. Tax

    A corp has domestic taxable income of $400,000 and foreign-source taxable income of $200,000. Their U.S. tax on worldwide income is $204,000. The corp paid foreign income taxes of $75,000. What is their foreign tax credit on their US income tax return?

    asked by Anonymous
  182. Math

    Express 2x^3-9/x^3+6x^2+8x as partial fractions

    asked by Amanda
  183. Math

    How do i get left side to equal rs? (Tanx/1+secx)+(1+secx/tanx)=(2/sinx)

    asked by Bobbie
  184. science

    If mass M explore into three pieces two of equal to M/4 move perpendicular to each other with 3m/s 4m/s determined velocity of third

    asked by xasshi
  185. Maths

    A positive two digit number is divided by the sum of its digits. What is the smallest and largest the result can be?

    asked by Sam
  186. algebra

    let V be set of all functions with down R which are such that f(t)=Acost +Bsin t,t c R, where A and B are real numbers. define addition in V by (f+g)(t)=f(t)+g(t) and scalar multiplication by (¥f)(t)=¥(f(t)),¥€R.prove that V is a vector space over R

    asked by emmanuel
  187. algebra

    how can i proove that every vector norm on C subscript n is continuos in the vector components the set of complex numbers

    asked by emmanuel
  188. Math

    Jill said that An angle is made of any two rays is she correct explain

    asked by Carys
  189. matematicas

    como ayudar a mi hija con respuestas de STAAR Revew

    asked by Brandy Dominguez
  190. math

    Why are ocean levels not greatly affected

    asked by Anonymous