Questions Asked on
May 29, 2012

  1. physics

    The length of a sonometer wire AB is 100cm where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of 1:2:6 options: 1.60cm,90cm 2.40cm,80cm

    asked by srikala
  2. Physics

    Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the

    asked by Sara
  3. Physics

    An aerialist on a high platform holds onto a trapeze attached to a support by an 8.0-m cord. (See the drawing.) Just before he jumps off the platform, the cord makes an angle of 41° with the vertical. He jumps, swings down, then back up, releasing the

    asked by Mark
  4. Physics

    Two cars are moving. The first car has twice the mass of the second car, but only half as much kinetic energy. Then, both cars increase their speed by 8.00 m/s. They then have the same kinetic energy. The original speeds of the two cars are, respectively,

    asked by Vladimyr
  5. Chemistry

    What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L?

    asked by Ashleigh
  6. chemistry

    The data in the table show the amount of a 500 g sample of sodium-24 over time. Make a graph of the data (remember to label all axes and title the graph). What is the half-life of sodium-24? Explain how you determined your answer. Sodium-24 decays by beta

    asked by liz
  7. physics(heat)

    a mixture of 250g of water and 200g of ice at 0deg C is kept in a calorimeter which has a water equivalent of 50g. if 200g of steam at 100deg C is passed through this mixture, calculate the final temperature and the mass of contents of the calorimeter. ans

    asked by ridhi
  8. material sciences

    1. Explain the difference between ‘eutectic’ and ‘eutectoid’. 2. Explain the terms ‘hyper-­‐ and hypoeutectoin ’and ‘hyper-­‐ and hypoeutectic

    asked by asyraf help me urgent
  9. physics

    (a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate the wavelength of each. 1 cm (frequency = 900 MHz) 2 cm (frequency = 2560 MHz) (b) Which frequency would produce smaller hot spots in foods due to

    asked by Amelia
  10. world geography

    in which fields do europeans work today? a. heavy industry and mining b.farming and heavy industry c. shipping and transportation d. manufacturing, service and technology industries, and agriculture

    asked by natasha napier

    9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original

    asked by Anonymous
  12. Management

    Which of the following statements about Maslow's needs hierarchy is correct? A. Esteem needs must be satisfied before one strives to fulfill social needs. B. Self-actualization is a growth need. C. safety needs are more basic than physiological needs. D.

    asked by Amanda
  13. chemistry

    Current is applied to a molten mixture of CuF, ZnCl2, and AlBr3. What is produced at the cathode? a)F2 b)Al c)Cu d)Zn e)Cl2 f)Br2 What is produced at the anode? Same options as above.

    asked by George
  14. phys

    Mike throws a ball upward & toward the east at a 20.0 angle with a speed of 51.0 . Nancy drives east past Mike at 15.0 at the instant he releases the ball. What is the ball's initial angle in Nancy's reference frame?

    asked by keren
  15. Probability

    Two cubes are rolled .both cubes are labelled 1 to 6.the number rolled are added. What is the probability of each out come ? a) sum is 12 B)the sum is less than 4. C)the sum is 7. D)the sum is 2.

    asked by Sam
  16. Geometry

    A cylindrical container of paint with a radius of 6 inches is 15 inches tall. If all of the surface area except the top are made of metal, how much metal is used to make the container? Assume the thickness of the material is negligable. Round to the

    asked by Sholanda
  17. English

    Posted by rfvv on Monday, May 28, 2012 at 2:12am. 1. The lizard is walking on a branch. 2. The lizard is running on a branch. 3. The lizard is creeping on a branch. 4. The parrot is singing. 5. The parrot is chirping. 6. The parrot is twittering. (Can we

    asked by rfvv
  18. Physics

    At a restaurant, your glass of water contains 25% ice while your friend’s glass of water contains 75% ice. What can you say about their temperatures? Explain your answer

    asked by Bob
  19. math

    Verify cos(x-3pi/2)=-sin x

    asked by mitch
  20. 3rd grade math


    asked by Trey
  21. college math

    A recipe calls for 600mL of whole milk. How many cups of milk is that?

    asked by Lourane
  22. Economics

    explain how a firm's production function is related to its marginal product of labor,how a firm's marginal product of labor is related to the value of its marginal product, and how a firm's value of marginal product is related to its demand for labor?

    asked by Alvin
  23. physics

    The route followed by a hiker consists of three displacement vectors , , and . Vector is along a measured trail and is 1060 m in a direction 20.0 ° north of east. Vector is not along a measured trail, but the hiker uses a compass and knows that the

    asked by jennifer

    (a) What is the sum of the first 60 consecutive odd numbers? Tell whether it illustrates inductive or deductive reasoning. inductive reasoning deductive reasoning (b) What is the sum of the first 1,200 consecutive odd numbers? Tell whether it illustrates

    asked by Urgen please help
  25. pre algebra check

    Use the percent equation to answer the question. What percent of 130 is 156? I get 202.8??

    asked by amy
  26. geometry

    Find the values of a and b. In a quadrilateral a=113 degrees and b=base =36 degrees

    asked by Mal
  27. geometry

    determine the values of x and y for which ABCD is a parallelogram. AB = 3x + 7, BC = y +8, CD = 5x + 1, DA = 2y - 3

    asked by matt
  28. What do I do?

    Here's the problem: In a load of 3/4 ton of steel rods, 1/8 are bent. How many tons of steel rods are bent? I don't know which operation to use. Should I use addition? Should I use subtraction? How 'bout division? Should I use multiplication because of the

    asked by Candy Corn 
  29. Maths


    asked by Dg
  30. chemistry

    mass of crucible- 18.50g mass of crucible+hydrate- 19.50g mass of crucible+anhydrous salt 1st heating- 19.10g mass of crucible+anhydrous salt 2nd heating- 19.10g Questions: 1. calculate mass of water lost from your sample 2. calculate % of water in sample

    asked by Amanda
  31. science

    A solution has a density of 1.50 g/mL. How many grams are needed to obtain 10.0 mL of solution?

    asked by Alli
  32. English

    1. He is playing a game with his smart phone. 2. He is talking on the smart phone. 3. He is writing something on his smart phone. 4. Tom and Bill are talking with each other in the corner of the classroom. 5. He is drawing a cartoon. 6. He is reading a

    asked by rfvv

    9. Suppose an experimental population of amoeba increases according to the law of exponential growth. There were 100 amoeba after the second day of the experiment and 300 amoeba after the fourth day. Approximately how many amoeba were in the original

    asked by Anonymous
  34. physics

    TV-reception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in Figure 23.24. The ideal length for the cross wires is one-half the wavelength to be received, with the more expensive antennas

    asked by Amelia
  35. Probability

    Two number cubes are rolled .both cubes are Labelled to 6. The numers rolled are added . What is the probability of each outcome? A) the sum is 12. B) the sum is less then 4. C) the sum is 7. D) the sum is 2.

    asked by Sam
  36. Geometry

    A box of cereal measures 8 inches high and 2 inches deep. If all surfaces are made of cardboard and the total amount of overlapping cardboard in the box is 7 square inches, how much cardboard is used to make the cereal box?

    asked by Sholanda
  37. Chemistry Science

    A 15.0 g sample of an unknown compound is dissolved in 100.0 g of benzene. The boiling point is raised 2.67 oC above the boiling point of pure benzene. What is the molar mass of the sample? Kb for benzene is 2.67oC/m.

    asked by science girl
  38. history

    •Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

    asked by Cheryl
  39. economics

    The manager of All City Realtors wants to hire some real estate agents to specialize in selling housing unit acquired by the Resolution Trust Corporation (RTC) in its attempt to bail out the savings and loan industry. The commission paid by the RTC to the

    asked by Ashaki
  40. geometry

    classify a triangle with side lengths 5, 9 and 12 as acute, right, or obtuse

    asked by matt
  41. biology

    the gene for eye colour is located on ? a) x chromosome b) y chromosome c) both a and b d) non of them

    asked by star
  42. world geography

    some latin america countries need debt relief: a. from other countries to carry out economic programs b. because such a large segment of their population is poor c. because their economies are doing so well d. but have too good credit rating with

    asked by natasha napier
  43. English

    1. The rabbit is medium and white. It has a short tail and sharp teeth. 2. The parrot has a sharp beak. It is small and has colorful wings. 3. The puppy is fluffy and cute. It has a long tail. 4. The squirrel is small and cute. It has a long tail. 5. The

    asked by rfvv
  44. world geography

    when did most latin american countries gain their independance? a. the 1600s b. the mid-1700s c. the 1800s d. the early 1900s

    asked by natasha napier
  45. Healthcare Legal Concepts

    Explain the role that a health information technician may play in the judicial process. I am not asking for the answers but a good place to look

    asked by Carrie
  46. dressmaking

    Sometimes a person's sloping shoulders cause a garment to sag with diagonal wrinkles from the neck end of the shoulder seam to the armhole.To correct this,ripping out the sleeve and then doing which of the following is correct: A)Rip the soulder seam from

    asked by Sarah

    If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = pi, y = . A. −3.215 B. sqrt(2) C. 1.647 D. 6 E. 3pi For some odd reason, I keep getting -0.5325989. I can't come up with any of the answers given.

    asked by Anonymous
  48. grammar/English

    need help correcting this sentence Fire can be either friendly or a foe, depending on the situation to make it parellel

    asked by Ashley
  49. Geometry Please Help With One Multiple Choice

    Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17

    asked by LEXI
  50. to ms.sue

    kk. thanxz! :)

    asked by Celest
  51. Math

    20 (Sigma Sign) 2n + 7 k= 1

    asked by Neil
  52. math

    each kitchen floor tile is 12 inches by 12 inches.a kitchen floor needing to be tiled is in the shape of a rectangle measuring 12 ft by 16 ft. how many tiles are to cover the kitchen floor?

    asked by Anonymous
  53. pre algebra

    Find the amount of simple interest earned in 3 years. Principal: $460 Annual rate: 3.5%

    asked by amy
  54. pre algebra

    A hat cost $14 after a 20% discount is applied. What was the hat's original price

    asked by amy
  55. college math

    in regards to my 45 ft square2 -_yd square2 not 45.2 feet

    asked by Lourane
  56. pre algebra

    Find the percent of decrease. original cost: $65; new cost: $5

    asked by amy
  57. Math 116

    simplify the expression -2(2z-7y)-z

    asked by Kunta
  58. pre algebra answer check

    You are standing 400 feet from the base of the Space Needle in Seattle, Washington. Using a laser range finder, you measure the distance to the top of the Space Needle to be 725 feet. Find the height of the Space Needle to the nearest foot. I got 629 ft.

    asked by amy
  59. college math

    In this question Farmer Jones needs to add 2200milliters of 2-4d weed to the mix tank. How many liter is that? My answer is 2.2 i moved the decimal 3 places to the left an I correct

    asked by Lourane
  60. pre algebra homework check

    Solve the equation. x ^2 + 15 = 51 x=±6???

    asked by amy
  61. Physics - Help!!!

    I am having trouble understanding transformers!! Here is the problem I have to solve: A protable CD player requires 12 volts to operate. A transformer allows the device to be powered from a 120-volt outlet. If the primary has 500 turns, how many turns

    asked by Justin
  62. ap calculus

    Find the discontinuities of f(x)= ((x^2)+5x+6)/((x^2)-4)and categorize them as removable or non removable.

    asked by Abby
  63. Early Childhood Education

    Whast determime(s)a child's readiness for reading.

    asked by Sandra
  64. physics

    Electromagnetic radiation having a 12.0 µm wavelength is classified as infrared radiation. What is its frequency? 1 Hz i got 1.31e+13???

    asked by Amelia
  65. Northern Virginia community college

    A speedboat heads west at 104 km/h for 24.0 min. It then travels at 64.0° south of west at 109.0 km/h for 13.0 min. (a) What is the average speed for the trip? What is the average velocity for the trip? magnitude direction

    asked by Domynique
  66. Comm 215

    Please guideme to which ones are wrong.. Thank you Grammar Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good

    asked by Adriana
  67. world geography

    which part of europe has advanced communications and transportation systems? a. eastern europe b. western europe c. all of europe d. southern europe

    asked by natasha napier
  68. English (quick Sentence)

    Hi Teachers, I wrote a sentence in which i think has a wrong sentence structure. Will you correct me with it, please? When his daughter told us of what he said we promised that we will all be in part of helping him and making him feel like family.

    asked by Liz
  69. physics

    What is the wavelength of an electron moving at 2.60% of the speed of light? 1 m

    asked by Amelia
  70. algebra 1

    What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?

    asked by kathy
  71. math

    Tom made pieces of string that were 5/6 yards long. He made 30 pieces. How many yards did he intially have?

    asked by lex
  72. Information Technology

    Indicate the type of method used to access data for the following: (a)Hard drive (b)Magnetic tape

    asked by Nneka
  73. pre algebra answer check

    Use a proportion to answer the question. 21 is 4% of what number? 21.875???

    asked by amy
  74. English

    Please correct the errors, im not sure on this one. The scouts or their mascot must do their best to clean up the mess at the campgrounds.

    asked by ashley
  75. Math

    Jack is married to Jill. Their son, Junior, asked each of them to reveal their ages. Junior’s parents decided to tell him, but in the form of a puzzle. Jack told Junior, “If you reverse the digits in my age, you get your mother’s age. Jill told her

    asked by Erica
  76. ap calculus

    find the critical points, inflection points, the absolute minimum value of y, and the relative maximum points of y=x^4-3x^2+2

    asked by Thomas
  77. college math

    Some people feel that the ideal temperature for an office space is 72.0F. What is the temperature in C? The formula I used is F= 9 x 72 + 32 = 648 + 32 Is this correct so far

    asked by Lourane
  78. Math

    What decimal am I? My digit in the tenth place is twice my digit in the hundredths digit in the hundredths place is odd,but not 1

    asked by Ron
  79. math

    23.Suppose you choose a marble from a bag containing 6 red marbles, 3 white marbles, and 4 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue). a. 10/13 b. 9/13 c. 24/169 d. 24/13

    asked by Anonymous
  80. pre algebra

    Find the percent of the number. 10.5% of 250

    asked by amy
  81. Physics

    You are heating water in a pot on the stove. Shortly before the water boils properly, bubbles of steam begin rising from the bottom of the pot but vanish before they reach the water’s surface. What happened to those bubbles?

    asked by Bob
  82. Art

    I urgently need you to check these sentences. Thank you, Writeacher. By the way, have you found anything on Henrietta Lacks? 1) When his wife puts his arms around him and kisses him, he faints. He explains this by saying that he has not been used to be

    asked by John
  83. 3 grade english ms sue

    draw conclusions a conclusion is a decision you reach after thinking about facts and details you read. you can also use what you already know to help draw a conclusion. you should always ask yourself,"does my conclusion make sense?" directions read the

    asked by dw
  84. math

    AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB=50°. Find the length BC, angle ABC, angle CAD , area of triangle ACD

    asked by Anonymous
  85. english

    Please check! My best friend told his neighbor that he could not take care of the dogs this weekend. My best friend told his neighbor that he could not take care of his dogs this weekend. When he sat the plate on the glass countertop, it broke into a

    asked by ashley
  86. chemistry

    Which of these is a homogeneous mixture? A. a salad B. seawater C. soil D. raisin bread help me please!!

    asked by 26kllt
  87. Physics

    Microwaves are electromagnetic waves transmitted at a normal frequency of 2.45 GHz. Find the wavelength of the microwaves.

    asked by Zach
  88. Chemistry

    Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.

    asked by Ashleigh
  89. Math

    Find the sum of the arithmetic series. 20 (Sigma Sign) 2n + 7 x= 1 Formula: Sn= a1 (1 - r^n / 1 - r)

    asked by Neil
  90. math

    the volume of a cubical solid is given by following expressions.find the side of field. a)8a^3+b^3+12a^2 b+6ab^2. b)27-125a^3-135a+225a^2. c)27a^3-1/216-9a^2/2+a/4. d)x^3-1/x63-3x+3/x. plz help me till 2 o'clock...

    asked by parul
  91. Chem, HELP plz

    Complete and balance the following reaction, given that elemental rubidium reacts with elemental sulfur to form Rb2S?

    asked by Lily

    What are the odds in favor of drawing face card from an ordinary deck of cards? to

    asked by Urgen please help
  93. math

    the volume of a rectangular solid is given by expressions given each case find the dimentions of the solid. a)6x^3+5x^2-6x. b)15x^2-51x+18. c)x^3+13x^2+32x+20. d)x^2-5x/2-3/2. e)x^3-9x. f)x^4+x^3-x-1 plz everyon help me

    asked by parul
  94. chemistry

    A solution with a pH of 11.0 is A. neutral. B. acidic. C. weakly basic. D. strongly basic . HELP PLEASE!!

    asked by 26kllt
  95. pre algebra

    Find the percent of decrease. original cost: $65; new cost: $57.20

    asked by amy
  96. Chemistry

    Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain how to get the answer?

    asked by Ashleigh
  97. english

    unscramble this word ( pessaocltn )

    asked by Anonymous
  98. Physics

    Three identical blocks, A, B, and C, are on a horizontal frictionless table. The blocks are connected by strings of negligible mass, with block B between the other two blocks. If block C is pulled horizontally by a force of magnitude F = 28 N, find the

    asked by Vladimir
  99. physics

    1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the

    asked by carol
  100. math

    probablity to the nearest tenth of a percent 11/68 to a decimal and percent

    asked by Taylor
  101. English

    1. He is collecting waste into the dustpan with a broom. (Is this correct?) 2. He is holding a dustpan and broom. 3. He is holding a dustpan and a broom. (Which one is right? Are both OK?

    asked by rfvv

    the nearest tenth percent of 9/68 decimal and percent

    asked by Michael
  103. llife orientation

    one environmental problem that causes ill health,accident,crises,and disasters

    asked by kwezi simelane
  104. Chemistry Science

    . When a 28.7 g sample of KI dissolves in 60.0 g of water in a calorimeter, the temperature drops from 27.2oC to 13.2 oC . Calculate ΔH for the process.

    asked by science girl
  105. probablitiy

    to th nearest tenth of a percent of 11/68 may i have a fraction,decimal, and percent

    asked by Taylor
  106. Chemistry Science

    A sample of the element ygfjygg m has a mass of 5.6 g +/- .1 g and a volume of 3.1 cm3 +/- .5 cm3. The true density of Lindeminium is 1.92 g/cm3. ----HOW TO CALCULATE RANDOM ERROR(18%)?---

    asked by science girl
  107. pre algebra

    Find the percent of decrease. original cost: $65; new cost: $57.20

    asked by amy
  108. Geometry

    If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.

    asked by Sholanda
  109. pre algebra check

    The measures of two angles of a triangle are given. Tell whether the triangle is acute, right, or obtuse. 19°,35° I think its obtuse

    asked by amy
  110. pre algebra

    What is the diameter of a cone with a height of 10 yards and a volume of 92.4 cubic yards? Round to the nearest whole number.

    asked by amy
  111. 3rd grade math

    Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways

    asked by Daniel mom
  112. 3rd grade math

    Please help not sure how to explain to my son. How should I set this up. Sam has the same chores each week, but he wants to add variety. Suppose Sam has to empty trash, water the plants, fill the bird feeder, and sort the recycling. How many different ways

    asked by Daniel mom
  113. math

    mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?

    asked by keke
  114. pre algebra

    You and four friends are going to a movie. In how many different orders can you pick your friends up?

    asked by amy
  115. geometry

    a circular cylinder has a base with a radius of 7.5 cm. and a height of 12 cm. a rectangular prism has a square base and height of 8.0 cm. if the cylinder and the prism have equal volumes, what is the length of the base of the prism to the nearest tenth?

    asked by Andrea
  116. physics

    A spherical mirror has a focal length of −0.59 m. An object of height 0.045 m is located 0.42 m in front of the mirror. What is the height (including its sign) of the object’s image?

    asked by Emily
  117. history

    •Review “Origins of the Cold War” in Ch. 27 of American History and summarize the revisionist and post-revisionist interpretations of the Cold War. Does our interpretation of history ever change

    asked by Cheryl
  118. statistics

    Which hypothesis-testing procedure would you use in the following situations? • The mean time an American family lives in a particular single-family dwelling is 11.8 years. A sample of 100 families in the Sycamore, OK area shows the mean time living in a

    asked by help
  119. World History

    Who ruled the Byzantine Empire?

    asked by Erin
  120. social studies

    The Abbe Sieyes suggested that the meeting of the Third Estate be renamed the National Assembly. What was the significance of this change? Explain.

    asked by chayy
  121. geometry

    ABCD is a trapezoid with median EF and bases AB and CD. AB = 18, EF = 28. Find CD

    asked by matt
  122. calculus

    Evaluate the following (x+7)dx/x^2+14x+55

    asked by ZUkii
  123. math

    It says Complete 10/3 on maths homework...what does this mean...thanks.. :)

    asked by Andrew
  124. Finance

    Firm A has $20,000 in assets entirely financed with equity. Firm B also has $20,000 in assets, financed by $10,000 in debt (with a 10 percent rate of interest) and $10,000 in equity. Both firms sell 30,000 units at a sale price of $4.00 per unit. The

    asked by Jane
  125. social studies

    im looking for imporatn event about martin luther and i cant find any so far i found he want again the church and belived in predeterminsih, he was put on trail, he escaped that it i need 3 more like its bout what he did agaisnt the church and what made

    asked by Prabhjot
  126. Art

    I left out the following sentences. Thank you very much for your invaluable help, Writeacher. 1) On my summer holiday(s) I’m competing in a chess tournament in the first week of July. It will probably be difficult because the best players will

    asked by John
  127. MATH

    Adrienne had a party at a local swimming pool. She spent fifty dollars for a pavilion and seven dollars per person for admission. Let c be the total cost of the pavilion and admission, and let p be the number of people at her party. Write an equation to

    asked by leya
  128. physics(heat)

    A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?

    asked by ridhi
  129. world geography

    when ranchers plant grass on burned rain forest lands, the grass: _a. thrives and provide feeds for decades _b. gives way to new rain forests within five years _c. dries up within four years _d. surivives for only one season

    asked by natasha napier
  130. statistics

    . A random sample of 30 students obtained the following marks in a class test : (20) Test the hypothesis that their median score is more than 50. 58 55 25 32 26 85 44 80 33 72 10 42 15 46 64 39 38 30 36 65 72 46 54 36 89 94 25 74 66 29

    asked by pushpa
  131. world geography

    _______ in brazil's interior has led to the clearing of the rain forests. a. building roads b. building settlements c. mining for iron, copper, and tin d. all of the above

    asked by natasha napier
  132. math

    An electric pole is supported to stand vertically on a level ground by a tight wire. The wire is pegged at a distance of 6 meters from the foot of the pole. The angle that the wire makes the ground is three times the angle it makes with the pole. Calculate

    asked by Anonymous
  133. Physics

    Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary

    asked by Kyle
  134. science

    how far merkurius to mars

    asked by aulia
  135. physics(heat)

    A geyser heats water flowing at the rate of 3L/min from 27 deg C to 77 deg C. if the geyser operates on a burner, what is the rate of combustion of the fuel if its heat of combustion is 40000J/g?

    asked by ridhi
  136. 10th grade chemistry

    If an excess of nitrogen gas reacts with 25.0 L of hydrogen gas, according to the reaction below, how many L of ammonia will be produced? N2(g) + 3H2(g) ---> 2NH3(g)

    asked by skyler
  137. Art

    I left out the following sentences, Writeacher. Thank you. 1) After that we’re having dinner (better we’ll have dinner) and after that we’ll go for a walk in the city centre. 2) On the next day we’ll first go on a sightseeing tour of (in ) the

    asked by John

    am not sure how to answer this question that's y am posting this question here. what variables would you used for identiify ing market segment?? is it about behavioural, demographic, geographic!!??

    asked by Taskeen
  139. biology

    which of the following cannot cause change in gene pool a) mutation b) migration c) meiosis d) genetic drift

    asked by star
  140. English

    1. The boy is arm wrestling the girl. 2. The boy is arem wrestling with the girl. 3. The boy is having an arm wrestle with the girl. 4. The boy is having an arm wrestling against the girl. 5. The boy is doing an arm wrestle with the girl. 6. The boy is

    asked by rfvv
  141. ALGEBRA 1

    A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION

    asked by susana
  142. world geography

    the europeans who claimed parts of the americas for spain wer called: d. conquistadors

    asked by natasha napier
  143. ALGEBRA 1

    Stu has $21.40 in dimes and quarters for a totl of 100 coins. How many of each kind of coin does he have?

    asked by susana
  144. reading

    What is generalization and inference.

    asked by patty
  145. life orientation

    Provide five ways in which you critically discuss how cancer can impact on the teenager

    asked by percy
  146. math/algebra

    Express 55 minutes as a fraction of 11/3 hours. Please show work

    asked by logan
  147. algebra

    What is the product of 11/15 and 12/7? Show how this is done please.

    asked by Anonymous
  148. college math

    Peform the following unit conversion 45 ft.2 = ____yd

    asked by Lourane
  149. math


    asked by andrew
  150. Science

    Please for a labeled diagram of aweather thermometer.

    asked by Juanita
  151. world geography

    the north european plain is rich in: a. coal, oil, copper, and petroleum b. coal and oil c. agricultural lands and petroleum deposits d. agricultral lands, iron ore, and coal

    asked by natasha napier

    If dy/dx = x (cos x^2) and y = −3 when x = 0, when x = ƒÎ, y = . A. −3.215 B. ã2 C. 1.647 D. 6 E. 3ƒÎ For some odd reason, I keep getting -0.5325989. I can't come up with any of the answers given.

    asked by Anonymous
  153. physics

    if a period is doubled, than the length of the pendulum should be ? A) increased by root 2 b) quartered c) quadrupled d) halved e) doubled

    asked by star
  154. math

    the bottom of a 25 foot ladder is placed 7 feet from a wall. how far up the wall will the ladder reach?

    asked by potato
  155. world geography

    the netherlands protects its lowland area: a. with dikes to hold back the sea

    asked by natasha napier
  156. english

    Happiness is a state of mind that can be brought on by seeing a good friend.

    asked by Anonymous
  157. enaglish

    My mom said her greatest achievement was when she had me.

    asked by Anonymous
  158. MATH

    You have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8 marbles in each sack?

    asked by Ray
  159. english

    correct any erroes. Neither the players nor the coach agree with the referee’s call.

    asked by ashley
  160. math

    what is the answer to 5z-1=?, 8s+4= etc. im thinking it is 5x3 (z=3)-1 equals 14. am I right?

    asked by Omar
  161. English

    1. Do you have a technical English terms for 'animals' teeth? 2. The squirrel is a little heavy. 3. The rabbit is somewhat small. 4. The puppy is rather medium. 5. The parrot is kind of small. (Are the expressions all grammatical? Do you have more

    asked by rfvv
  162. College Algebra

    A gardener wants to fence in her plot in two equal rectangular sections. If she has 120 yards of fence and the area of the entire plot is 384 yd 2, find the possible dimensions in yards of the garden.

    asked by Tim
  163. math

    order Tegretol 0.2g. Available: Tegretol 100 mg/tab. Dose to be given?

    asked by lisa
  164. WRITING!

    Pretend you are wandering around an old house with a group of friends while your parents are away. One of your friends finds a secret door. What is behind the door? Do you and your friends follow it? Where does it go?

    asked by Celest
  165. us history

    why did California's request for statehood cause a crisis in congress?

    asked by brooklyn
  166. Physics(Please respond)

    1) A 1320 kg demolition ball swings at the end of a 34.3 m cable on the arc of a vertical circle. At the lowest point of the swing, the ball is moving at a speed of 3.32 m/s. Determine the tension in the cable. F=ma (34.3)(3.32) = 113.87 Ia this correct?

    asked by Hannah
  167. english

    correct any errors. I think everyone needs to do their best to get the job done. Did anyone leave their keys on my desk? My dad says nobody know how to do their fair share of the work on this job. Four years of college classes are a long time without an

    asked by ashley
  168. world geography

    beginning in the late_____, the industrial revolution transformed europe into a land of cities.

    asked by natasha napier
  169. History

    What Were Characteristics of Renaissance Art?

    asked by Sourdee
  170. Chemistry

    What volume of 6.0m H2SO4 is needed to prepare 0.5L of a 0.3M H2SO4 solution?

    asked by Janeth
  171. science

    What 2 things do plants need to grow and thrive?

    asked by stephanie
  172. world geography

    since the 1970s, european government have tried to limit: c. economic growth?

    asked by natasha napier
  173. Geometry One multiple choice question!

    Write the ratios for sin A and cos A. {picture is of a right triangle, ABC. segment AC is 8, segment AB is 17, and segment CB is 15.} sin A=15/17, cos A=8/17 sin A=15/8, cos A=8/17 sin A=15/17, cos A=8/15 sin A=8/17, cos A=15/17

    asked by LEXI
  174. Chemistry

    Calculate the final pressure on the addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O2(g) at 25°C and 740 mm Hg

    asked by Kelly
  175. Enlish III

    The graduation cermoney lasted only two hours. What part of the sentence is lasted only two hours? A) verb B) compound verb C) complete Predicate D) Complete subject

    asked by Devin
  176. science

    the threat of global warming is mainly associated with ? 1 radioactive wastes 2 use of hydroelectric energy 3 burning of fossil fuels 4 thermal pollution of lakes and rivers

    asked by amber
  177. Math

    A Company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x) =4x, where x is the number of sailboats. Evaluate and interpret C(5).

    asked by nick
  178. Chemistry

    Derive a formula for the molar mass of the solute in terms of the freezing point depression, deltaT, the freezing-point constant, Kf, and the masses of solvent, msolvent, and solute, msolute, used in an experiment like this one. SHow your work and include

    asked by Robert
  179. Art

    Could you please check the following corrections? Thank you, Writeacher 1) He offers her to let her remain in the country house. Correction: he offers to let her remain in the... 2) She invites her to remain... 3) He offers her to return to her parents. He

    asked by John
  180. world geography

    a system in which monarchs or lords gave land to obbles in return for pledges of loyalty was known as: d. feuldalism

    asked by natasha napier
  181. Spanish

    Please check-I had to correct the first sentence to make it correct in the second No hablé con alguien en la escuela No, hablé con nadie en la escuela.

    asked by Sammy-Check this please

    Solve the differential equation: dy/dx = x (y^(1/3))

    asked by Anonymous
  183. physics

    Citizen's band (CB) radio utilizes frequencies between commercial AM and FM. What is the frequency of a 11.34 m wavelength CB channel? 1 MHz How do you solve for MHz

    asked by Amelia
  184. Physics(Please respond)

    A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. The ball leaves the club at a speed of 17.4 m/s at an angle of 35.0¢ª above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by Hannah
  185. Math

    What would the rate of return be on an Individual Retirement Account with a contribution of $2000.00, at 4% Interest rate, for 5 years?

    asked by Allie
  186. Physics(Please help)

    1) A box is sliding up an incline that makes an angle of 14.0 ° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.176. The initial speed of the box at the bottom of the incline is 3.72

    asked by Hannah
  187. world gegraphy

    since the fall of communism, some eastern europeans have: a. taken steps to return to a communist system of goverment b. had difficulty adapting to a free market system c. cleaned up their environment problems d. all of the above

    asked by natasha napier
  188. Physics(Please help)

    A jet flying at 106 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 2.40 × 105 kg. Calculate the magnitude of the necessary lifting force. Would I use the equation Fc=mv^2 / r ??

    asked by Hannah
  189. world geography

    state farms in communist europe were run by: a. small independent collectives b. individuals c. the government d. specialists in enviromental science

    asked by natasha napier
  190. Algebra

    -190b=-105-25bsquared what is that using binomials

    asked by MATT STANICH
  191. physics

    What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 5.59 m/s when going down a slope for 2.79 s? (b) How far does the skier travel in this time?

    asked by Anonymous
  192. Literature

    Write a speech and try to capture the narrators fellings. Write the first page of the speech the narrator might have written. "I Hear American Singing" and "Song of Myself" by Walt Whitman.

    asked by kcjfnpdd
  193. Physics

    What coefficient of friction is required to stop a hockey puck sliding at 12.8 m/s initially over a distance of 66.5 m?

    asked by Vladimyr
  194. learing

    The pattern of learning that is strongest is called: A. learning style B. learning modality C. intelligence activity D. both A & C

    asked by learning